Program Book

Alignment Matters
Integrated Global Alignment® (iGA®) is a platform comprised of procedurally-based technologies,
designed to enhance clinical and economic outcomes by increasing the predictability of achieving• Calculate alignment parameters with preoperative planning tools.
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•the restoration and preservation of global alignment postoperatively.

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TEL 03-3549-6500 FAX 03-3549-6501

Program Book

©2018. NuVasive, Inc. All rights reserved. iGA, Integrated Global Alignment, and Alignment Matters
are registered trademarks of NuVasive, Inc. in the U.S. and may be registered in other countries.
18-NUVA-1016

Live streaming
On-demand streaming

June 10 [ Thu ] - 12 [ Sat ]June 10 [ Thu ] - 30 [ Wed ]Kobe International Conference Center, Japan

Thoracolumbar Solutions

Vital™ Deformity
Spinal Fixation System

Thoracolumbar Solutions

Vital™ Deformity
Spinal Fixation System

Surgical Technique Guide

The Vital Spinal Fixation System was developed to address themodern demands of surgeons treating complex spinal pathologies.
The system provides a comprehensive solution for rigid spinal
fixation, from the thoracic spine to the ilium.

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販売名：Vitality スパイナル システム
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Contents

Welcome Message

2

Local Organizing Committee

4

Leadership of APSS & APPOS

5

Conference Information

6

Access to the Venue

10

Floor Map

11

Acknowledgement

12

Program at a Glance

13

Scientific Program_APSS

17

On-demand Scientific Program_APSS

26

Scientific Prgoram_APPOS

51

On-demand Scientific Program_APPOS

58

1

Welcome Message
On behalf of the Local Organizing Committee of the Asia Pacific Spine Society (APSS) & Asia PacificPaediatric Orthopaedic Society (APPOS), we would like to express our sincere condolences to those aroundthe world who have been directly affected by the COVID-19, and convey our deepest gratitude to the medical
professionals who have put their hearts and souls into the fight against the virus.
Due to the continued uncertainty surrounding the COVID-19 pandemic, and to protect the health andsafety of our speakers and participants, we have decided to hold APSS-APPOS 2021 as a hybrid meeting from
June 9th (Wed.) to 12th (Sat.), 2021. (On-demand streaming will be available until June 30th).
Despite the change to a hybrid format, the meeting will continue to be comprehensive. Lectures andsymposia will be available both live and on-demand, APSS and APPOS free paper presentations will beseparately available on-demand, and a joint symposium on pediatric spinal issues will provide a great
opportunity to virtually exchange updates on academic and scientific knowledge with our Asian colleagues
even in this challenging time.
With the help of technology, we are moving to the next level of active interactions. Through virtual
meetings, we are still able to gather to share innovative ideas and foster mutual friendships at a time andlocation of our convenience.
Whether virtually, or in-person in Kobe, Japan, we look forward to seeing you all!

Congress Chairman of APSS
Prof. Morio Matsumoto2

Congress Co-Chairman of APSS
Prof. Yukihiro Matsuyama

Congress Chairman of APPOSProf. Yasuharu Nakashima

Welcome Message from Secretary General
It is a great pleasure to greet you to the 13th Combined Meeting of Asia Pacific Spine Society & Asia PacificPaediatric Orthopaedic Society (APSS-APPOS 2021 Kobe). Activities of the APSS and APPOS have been strongly
influenced by the international outbreak of SARS-CoV-2 coronavirus infection, especially cancelling the APSS
2020 Shanghai meeting, fellowship and courses.
In these difficult times, despite the meeting moving towards hybrid format, we are overwhelmed by thepassion and collaboration of the members of APSS, APPOS and friends with receiving more than 540 abstract
submissions.
We would like to acknowledge the local scientific committee and the APSS and APPOS scientific committee
for organizing a great program and truly hope that the meeting will bring out fruitful communication among
all participants and friends in the coming post COVID years.

Secretary General of APSS
Dr. Narihito Nagoshi

Secretary General of APSS
Dr. Kota Watanabe

Secretary General of APPOS
Dr. Ryosuke Yamaguchi

3Local Organizing Committee
APSS

APPOS

Morio Matsumoto

Yasuharu Nakashima

ChairmanProf., Keio University
President, Japanese Orthopaedic Association

Prof., Kyushu University
Vice President, Japanese Orthopaedic Association

Co-Chairman

Prof., Hamamatsu University School of Medicine
President, Japanese Society for Spine Surgery and Related Research

Yukihiro Matsuyama

Narihito Nagoshi

Ryosuke Yamaguchi

Assistant Prof., Keio University

Assistant Prof., Kyushu University

Secretary General
Kota Watanabe
Associate Prof., Keio University

Hiroshi Ozawa

Takuya Otani

Prof., Tohoku Medical and Pharmaceutical University

Prof., Jikei University School of Medicine
President, Japanese Pediatric Orthopaedic Association

Hirotaka Haro

Organizing
Committee

Prof., Yamanashi University

Shinichi Satsuma

Masaya Nakamura

Director, Kobe Children’s Hospital
Vice president, Japanese Pediatric Orthopaedic Association

Prof., Keio University

Hidehiko Kawabata
Manabu Ito

Director, Osaka Rehabilitation Hospital for Children

Director, Hokkaido Medical Center

Yoshiharu Kawaguchi
Prof., Toyama University

ScientificCommittee

Daisuke Sakai

Kazuyuki Takamura(Chair) Associate Prof., Tokai University(Chair) Director, Fukuoka Children's Hospital

Shinji Takahashi

Kiyoshi Aoki

Medical Lecturer, Osaka City University

Chief, Asahigawasou Rehabilitation and Medical Center

Mitsuru Yagi

Daisuke Kobayashi

Assistant Prof., Keio University

Director, Kobe Children’s Hospital

Yu Yamato

Motohiro Kitano

Assistant Prof., Hamamatsu University School of Medicine

Director, Osaka National Hospital

Gen Inoue
Associate Prof., Kitasato University

Takashi Kaito
Assistant Prof., Osaka University

4

Leadership of APSS & APPOS
APSS

APPOS

President

Keith Dip Kei Luk (Hong Kong)

Bobby Kinwah Ng (Hong Kong)

Vice President(President Elect)

S. Rajasekaran (India)

Tae-Joon Cho (Korea)

Past President

K. S. Sivananthan (Malaysia)

Ashok Johari (India)

Honorary Secretary

Mun Keong Kwan (Malaysia)

Leo Thomas Donnan (Australia)

Honorary Treasurer

Wong Yat Wa (Hong Kong)

Yasuharu Nakashima (Japan)

Council Members

Orso L. Osti, Brian Hsu (Australia) /Md Shah Alam, Khondker Abdul Awal,
Md Kamrul Ahsan (Bangladesh) /Zhuojing Luo, Huiren Tao, Zhaomin Zheng(China) /Yat Wa Wong, Jason Pui Yin Cheung,
Kenny Yat Hong Kwan (Hong Kong) /Ram Chaddha, Ajoy Prasad Shetty,
Saumyajit Basu (India) /Zairin Noor, Luthfi Gatam (Indonesia) /Morio Matsumoto, Yukihiro Matsuyama,
Daisuke Sakai (Japan) /Kee-Yong Ha, Ki-Tack Kim,
Kyu-Jung Cho (Korea) /Chung Chek Wong, Chris Yin Wei Chan,
Chee Kidd Chiu (Malaysia) /Myint Thaung, Thant Zin Naing (Myanmar) /Rohit K Pokharel, Rabindra L Pradhan (Nepal) /Muhammad Tariq Sohail, Abdul Satar,
Shahid Ali (Pakistan) /Jose Manuel F. Ignacio, Ronald Tangente(Philippines) /Hee Kit Wong, Wai Mun Yue, Yung Hua Li(Singapore) /Swarnakumaar Velayutham, Udai De Silva(Sri Lanka) /Torphong Bunmaprasert, Athikom Methathien(Thailand) /Shu-Hua Yang, Chi-Chien Niu, Wen-Tien Wu(Taiwan) /Mehmet Aydogan (Turkey) /Vo Van Thanh (Vietnam)

Leo Thomas Donnan, Peter Cundy (Australia) /Amjad Hossain, Sarwar Salam (Bangladesh) /Li Zhao, Ruixue Ma (China) /Bobby Kinwah Ng, Wang Chow (Hong Kong) /Benjamin Joseph, Vrisha Madhuri (India) /Ucok Paruhum Siregar, Aryadi Kurniawan(Indonesia) /Hidehiko Kawabata, Yasuharu Nakashima(Japan) /Jong Sup Shim, Tae-Joon Cho (Korea) /Roshan Gunalan, Sharaf Ibrahim (Malaysia) /Bayantsugaon Budee (Mongolia) /Myint Thaung, Soe San (Myanmar) /Haemish Crawford, Jean Claude Theis(New Zealand) /Javed Iqbal (Pakistan) /Juanito Xavier, Julyn A Aguilar (Philippines) /Arjandas Mahadev, James Hui Hoi Poh(Singapore) /Chia Hsieh Chang, Wang Ting Ming (Taiwan) /Kamolporn Kaewpornsawan,
Thammanoon Srisaarn (Thailand) /Nguyen Ngoc Hung (Vietnam)

5Conference Information A to Z
Access the Virtual Meeting
The “Virtual Meeting” page will be available from June 10th, 2021 on the official website. To access, please click the “Virtual
Meeting” button on the website and follow the steps below.
STEP 1: "Log-IN" to the menu page by entering your ID and Password which you created when you submitted yourabstract or when you registered for the congress.
STEP 2: Click the "APSS-APPOS 2021 Virtual Meeting" button at the top of the menu page.
*If you haven't yet completed your congress registration, please complete your registration first.
Act of God
It is mutually agreed that in the event of total or partial cancellation of the congress due to fire, strike, natural disaster(either threatened or actual), government regulation or incidents not caused by the organizer, which should prevent
its scheduled opening or continuance, the congress may be partially postponed or terminated as a whole. In this case,participants are not entitled to reclaim refunds on no account. Participants are obliged to have civil liability insurance.
Best Paper Awards
The Organizing Committee of APSS-APPOS 2021 will be presenting “Best Paper Awards” at this year’s meeting. The
awards will recognize outstanding papers in basic and clinical research in the fields of spine and paediatric orthopaedics.
You can view the nominees and their presentation data from the “Virtual Meeting” page. Winners of the awards will beannounced on the congress website during the congress period.
Browsers to View Sessions Online
Recommended browsers
Latest version of Chrome, Safari, Firefox, and Edge.
Google Chrome

85.0 or later

Mozilla Firefox

81.0 or later

Microsoft Edge

85.0 or laterApple Safari

14.0 or later*Internet Explorer (IE) is a non-compliant browser for viewing presentation videos.
Please use one of the above recommended browsers.
Certificates<Certificate of Attendance>
It will be available from June 10, 2021 on your registration page.
<Certificate of Presentation>
It will be available for first author and co-author(s) who has completed congress registration.
If you wish to have the certificate of presentation(s), please contact the secretariat via e-mail (apps-appos2021@congre.
co.jp), by June 30, 2021.
It will be sent to your registered e-mail after the meeting ends around early July.

6

Cloak for Participants on-site
Location: 504+505, 5F, Kobe International Conference Center
Operation hours:
June 10 (Thu.)

9 : 00 - 19 : 30

June 11 (Fri.)8 : 00 - 20 : 00

June 12 (Sat.)8 : 00 - 15 : 30

Devices to Access the Virtual Meeting
The virtual meeting can be accessed on most mobile devices* (including tablets and smartphones). However, for thebest performance and experience, we strongly recommend using a desktop computer or laptop with a hardline internet
connection. Please note that it is not possible to use your ID & Password simultaneously on multiple devices.
*The virtual meeting cannot be accessed on traditional flip phones.
Discussion (Q&A)
For most of the Live-Streamed sessions, each speaker’s presentation will be followed by a discussion.
<Live-stream Session>
Questions will only be accepted through the Zoom "Q&A" function during the session. To ask the moderators/
speakers your questions, please click the Zoom "Q&A" button. Depending on the remaining session time,moderators/speakers may not be able to answer your questions.
<On-demand Session>
Q&A for Free Papers will only be available on-demand from June 10 (Thu.) - June 17 (Thu.) on the “Virtual Meeting”
page. To ask questions, please click the “Q&A” button on the “Virtual Meeting” page.
Exhibition
Location: Lobby, 5F, Kobe International Conference Center
Dates/Hours:
June 10 (Tue.) 10 : 00 - 18 : 00
June 11 (Fri.)8 : 45 - 18 : 00
June 12 (Sat.)8 : 45 - 15 : 15
A Virtual Exhibition is also available on the “Virtual Meeting” page. Please visit the booth and virtually contact any
exhibitors that may interest you.
Important Regulations
Recording videos, recording audio, taking photos (including screen shots), and downloading any of the presentation
data (including slides, images, videos, posters) and abstracts for the 13th Combined Meeting of Asia Pacific Spine Society& Asia Pacific Paediatric Orthopaedic Society are strictly prohibited.
Moderators and Speakers <on-site><Speakers>
Speakers are asked to stop by at the Speakers’ Preview Desk and register the data 45 minutes at the latest before thedesignated time of the session.
<Moderators and Speakers>
Please come to the session room 30 minutes at the latest before the designated time.
7Moderators and Speakers <Online>
Zoom address and ID/PW for online participation will be provided when it is closer to the meeting. Please kindly log
in to the assigned Zoom address 1 hour at the latest before the designated time. The secretariat will individually run aconnection test and microphone / camera check for each moderator / speaker.
For those who have more than one role in the program, you will receive Zoom address and ID/PW for each of thesession, therefore, please kindly make sure to check each notification and access to it for the correct session each time.
On-demand Streaming
Period : June 10 (Thu.) - 30 (Wed.)
Notes : On-demand only sessions below are available at any time throughout the meeting period on the Virtual
Meeting between June 10 (Thu.) and 30 (Wed.).
APSS : Free Paper Presentations, APSS Fellowship Session
APPOS : Free Paper Presentations, Video Session
Live-stream /On-demand sessions will be available on-demand on the next day of the Live-streamed day in the
Virtual Meeting.
Prevention Measures against COVID-19
To avoid a spread of COVID-19, we would like to kindly ask all participants on-site to incorporate with followings:- to wear a mask at any time, carefully wash your hands, gargle, and use sanitizer regularly.
- to avoid talk loud with a large group of people in the venue.
- to submit Declaration form at the registration desk.
Note: we will notify further details to those who will attend the meeting on-site once we get closer to the meeting period.
Registration Desk for Paticipants on-site
To receive your ID card, please visit a registration desk at following operating hours.
Location: 504+505, 5F, Kobe International Conference Center
Operation hours:

8

June 10 (Thu.)

9 : 00 - 18 : 00

June 11 (Fri.)8 : 00 - 18 : 30

June 12 (Sat.)8 : 00 - 13 : 45

Registration Fee
Registration is available only through the registration page even during the meeting period on-site. Please access ourofficial website and complete the registration.
On-site & Post Congress(June 9 - June 29, 2021)

Registration Category
Orthopaedic surgeon

25,000JPY (US$250)

Trainee & Nurse or equivalents

12,000JPY (US$120)

Orthopaedic surgeon

30,000JPY (US$300)

Trainee & Nurse or equivalents

17,000JPY (US$170)

Member(Low incomes countries)

Orthopaedic surgeon

15,000JPY (US$150)

Trainee & Nurse or equivalents

7,000JPY (US$70)

Non-member(Low incomes countries)

Orthopaedic surgeon

20,000JPY (US$200)

Trainee & Nurse or equivalents

12,000JPY (US$120)

MemberNon-member

Speakers’ Preview Desk for speakers on-site
Location: Lobby, 5F, Kobe International Conference Center
Operation hours:
June 10 (Thu.)

9 : 00 - 18 : 00

June 11 (Fri.)8 : 00 - 18 : 30

June 12 (Sat.)8 : 00 - 13 : 45

Sponsored Seminars<Luncheon Seminars>
Lunch boxes will be distributed in front of each seminar room. Please pick up the lunch box where you attend theseminar. Please understand that the number of lunch boxes is limited, and will be provided on a first-come, first-served
basis.
<Morning Seminars>
Before seminars start, sandwich boxes will be provided in front of the seminar rooms. Please pick up the sandwich box
where you attend the seminar. Please understand that the number of lunch boxes is limited, and will be provided on afirst-come, first-served basis.
Streaming Service
We will be using Zoom/ Vimeo to deliver the meeting online. Some countries/areas may restrict the use of these online
platforms. If participating from one of these countries/areas, please explore ways in which you are able to use the Zoom/
Vimeo online platforms (such as a VPN). We apologize for any inconvenience this may cause.

9

Access to the Venue
To Hakata

To Tokyo

To Osaka Itami
International Airport(ITM)
Shin-Kobe

Shinkansen(Bullet Train)

Shin-Osaka

SubwayJR Railway

Sannomiya

Osaka

Port Liner

Port Island

APSS-APPOS
2021
Venue

LegendJR Railway
City Subway /Port Liner
Limousine
Limousine BusBus

By Air75min., 2flights/day

By AirBy Air: 70min., every 30 min.
between 7:00-22:00

KOBE

10

By Ship (Bay Shuttle)
30min., JPY1,880

By LimousineBus
65min., every 10-20minbetween 6:20-22:40
JPY1,900

Kobe
Airport
(UKB)

Osaka
Itami
International
Airport(ITM)

Kobe-KIX BAY SHUTTLE(High-Speed Ferry)

By Port Liner
8min.,
JPY250KOBE

By Port Liner
10min.,
JPY240By LimousineBus
45min., every 10-20minbetween 7:45-21:10
JPY1,020

Sannomiya
Sta.
By Taxi
10min.,
JPY1,500

KOBE
By Taxi
50min., JPY14,500

OSAKA
By Subway
1min., JPY200

By Taxi
30min., JPY4,700

By Monorail
22min.,JPY470Kobe
Airport(UKB)

Kansai International
Airport (KIX)OSAKA

By AirBy Air: 70min., 10flights/dayTOKYO

KansaiInternational
Airport(KIX)

By Air75min., 4flights/day

TOKYO

HanedaHanedaInternational
Airport
Airport
(HND)
(HND)

Limousine Bus

Shimin-Hiroba
Sta.

Kobe Airport(UKB)

Kobe-KIX
Bay Shuttle Ferry

NaritaNaritaInternational
Airport
Airport
(NRT)
(NRT)

Kobe International
Conference Center

Hamamatsucho
Sta.
TOKYO

By Train
5min.,
JPY150Shinagawa
Sta.
TOKYO

By Shinkansen
161min.,
JPY9,000

Shimin-Hiroba Sta.
(Kobe International
Conference Center)

Shin-Kobe
Sta.
KOBE

By Port Liner
8min., JPY250

KOBE

Floor Map

5F
503

Exhibition
Speakers’Preview Desk
Information Boards
Refreshment

504 + 505
２

４

３
５

Head Quarter
Secretariat

６(Lobby)1

Exhibitors

７① NuVasive Japan K.K.

Registration
Cloak

501 for APSS

② KYOCERA Corporation③ NGK SPARK PLUG CO., LTD.

502 for APPOS④ Johnson & Johnson
Ethicon / DePuy Synthes Spine⑤ Baxter Limited⑥ Stryker Japan K.K.
⑦ Zimmer Biomet G.K.

4F
404

405

406

407

Stairways to 3F

403A
403B

401

Hands-on Seminars
402

June 11 only11

Acknowledgement
The Organizing Committee of APSS-APPOS 2021 would like to express its sincere appreciation to the following
companies and organizations for their generous support.
<Alphabetical order>
As of May 18, 2021

Silver Sponsors

Other Sponsors
AbbVie GK
Alfresa Pharma Corporation
Amgen K.K.
ASAHI KASEI PHARMA CORPORATION
B. Braun Aesculap Japan Co., Ltd.
Baxter Limited
CHUGAI PHARMACEUTICAL CO., LTD.
Eisai Co., Ltd.
Eli Lilly Japan K.K.
INTER REHA Co., LTD.
Janssen Pharmaceutical K.K.
Japan Medicalnext Co., Ltd.
Johnson & Johnson K.K.
KAKEN PHARMACEUTICAL CO., LTD.
KYOCERA Corporation

Medtronic Sofamor Danek Co., Ltd.
Mitsubishi Tanabe Pharma Corporation
NAGANO MFG. CO., LTD.
NGK SPARK PLUG CO., LTD.
Nippon Zoki Pharmaceutical Co., Ltd.
OLYMPUS TERUMO BIOMATERIALS CORP.
Robert Reid Inc.
Stryker Japan K.K.
Taisho Pharmaceutical Co., Ltd.
Teijin Nakashima Medical Co., Ltd.
TOMEI BRACE CO., LTD.
Viatris Pharmaceuticals Japan Inc.
YAGAMI Co., LTD.
Zimmer Biomet G.K.

Supporters
Kobe Tourism Bureau Kobe Convention Bureau
The Federation of Pharmaceutical Manufacturers' Associations of JAPANThe Japanese Paediatric Hip Research Society
The Japanese Society for Spine Surgery and Related Research
TSUTOMU NAKAUCHI FOUNDATION

12

Program at a Glance June 10 (Thu.)

APSS (501)APPOS (502)

10:00

10:00

Opening Remarks (Venue: 501) Live

11:00

12:00

Symposium 1:
Cervical Spine (OPLL)

Symposium 2:
Severe Spinal Deformity

Live

Live

On-demand

On-demand

Symposium 1:
Surgical Management of Upper
Extremity Anomaly

11:00

Live

Live

On-demand

On-demand

12:00

Live

13:00

Plenary 1

13:00

Live

Luncheon Seminar 1

Luncheon Seminar 2

Sponsored by Medtronic Sofamor Danek Co., Ltd.

Sponsored by Zimmer Biomet G.K.

14:00

14:00

Live

Live

On-demand

Symposium 2:
Club Foot Update

Best Paper

On-demand

15:00

15:00

Closed

Live

16:00

Meet the Master 1:
Cervical Spine and MISS

On-demand

JPHS Board Meeting
16:00

JPHS General Meeting of Members
Live
On-demand

17:00

Meet the Master 2:
Spinal Deformity

Live

APPOS-JPHS
Combined Symposium 1:
LCPD Update

On-demand

17:00

Live

Live

18:00

On-demand

APPOS-JPHS
Combined Symposium 2:
Unstable SCFE

On-demand

Plenary 1

18:00

Closed

19:00

19:00

Most sessions are available live & on-demand, however, some sessions are available with limited conditions.

13 June 11 (Fri.)APSS (501)

Hands-on Hands-on
Seminar Seminar
(401)
(402)

APPOS (502)
Live

9:00

Live

Morning Seminar 1

Morning Seminar 2

Sponsored by Nippon Zoki Pharmaceutical Co., Ltd.

Sponsored by Stryker Japan K.K.

9:00

On-site10:00

Symposium 3:
Osteoporosis

Live

Live

On-demand

On-demand
Symposium 3:
Guided Growth:Past, Present and Future

11:00

12:00

APSS Scoliosis
Focus Group +JSS Joint Symposium

Live

Live

On-demand

On-demand

Hands-onSeminar 1
Sponsored by
Johnson &JohnsonPlenary 2
12:00

Live

Luncheon Seminar 3

Luncheon Seminar 4Sponsored by NuVasive Japan K.K.

Sponsored by CHUGAI PHARMACEUTICAL CO., LTD.

14:00

Video on Key
Surgical Techniques 1

15:00

Presidential Oration

Live

Live

On-demand

On-demand

Preview of APSS 2022
Annual Meeting

Symposium 4:
Deformity

13:00

14:00

Symposium 4:
Current Management of Cerebral Palsy

Live

Closed

15:00

Live

Hands-onSeminar 2

APPOS Council Meeting

On-demand

Live

16:00

On-demandLive
On-demand

17:00

Live
On-demand
APPOS-JPHS
Combined Symposium 3:
DDH Screening System

17:00

Live

Symposium 5:
Surgical Complications

On-demandLive
On-demand
APPOS-JPHS
Combined Symposium 4:
Advances in DDH Imaging

18:00

18:00

Live
19:00

14

Symposium
Innovation in Spine

On-siteOn-demand

On-demand

APSS Presidential Inauguration Ceremony
16:00

On-demand

11:00

Live
13:00

10:00

On-demand
19:00

Sponsored by
StrykerJapan K.K.

 June 12 (Sat.)APSS (501)APPOS (502)
Live

9:00

Live

Morning Seminar 3

Morning Seminar 4Sponsored by KAKEN PHARMACEUTICAL CO., LTD.

Sponsored by Zimmer Biomet G.K.

10:00

Live

Symposium 6:
MISS and Spinal Instrumentation

On-demand

Live

10:00

On-demand

Symposium 5:
Arthroscopic Application for Pediatric Joint Diseases

11:00

11:00

Live

Video on Key
Surgical Techniques 2

On-demand

12:00

Live

APPOS-JPHS
On-demand
Combined Symposium 5:Treatment of Acetabular Dysplasia
in Older Children

Live
13:00

9:00

Luncheon Seminar 5

LiveOn-demandSponsored by Johnson & Johnson Ethicon/DePuy Synthes Spine

12:00

Luncheon Seminar 6

13:00

Sponsored by AbbVie GK/Eisai Co., Ltd.

Live

14:00

On-demand

14:00

APSS-APPOS Combined Symposium (Venue: 501)

Closing Remarks (Venue: 501) Live
15:00

15:00

On-demand Sessions <Any time between June 10 (Thu.) - 30 (Wed.)>

WEB
only

APSS

APPOS

Free Paper Presentations
APSS Fellowship Session

Free Paper Presentations
Video Session

15

Scientific Program_APSS
June 10 (Thu.)_501
10:15 - 10:25

Opening Remarks

Live
10:25 - 11:25

Symposium 1: Cervical Spine (OPLL)(8 min Presentation + 2 min Discussion)Moderators: Md Kamrul Ahsan (Bangladesh) / Shankar Acharya (India) / Masahiko Takahata (Japan)

Live On-demand
PS-SY-1-1

Natural history and new concept of surgical treatment for OPLL of the cervical spine
Yoshiharu Kawaguchi (Japan)

PS-SY-1-2

Posterior surgery for OPLL; consideration and techniques
Jong-Beom Park (Korea)

PS-SY-1-3

Anterior solution for complex and longer continuous OPLL of cervical spine
Toshitaka Yoshii (Japan)

PS-SY-1-4

New technology applications in OPLL surgery
Daisuke Sakai (Japan)

PS-SY-1-5

Prevention of surgical complications of OPLL of the cervical spine
Ming-Hsiao Hu (Taiwan)

11:40 - 12:40

Symposium 2: Severe Spinal Deformity(8 min Presentation + 2 min Discussion)Moderators: Kenneth Cheung (Hong Kong) / Luthfi Gatam (Indonesia) / Kazuhiro Hasegawa (Japan)

Live On-demand
PS-SY-2-1

The role of EOS in the evaluation of spinal deformity
Bhavuk Garg (India)

PS-SY-2-2

Surgical strategies for drop head syndrome, particularly in patients with adult spinal deformity
Masatake Ino (Japan)

PS-SY-2-3

How to avoid using 3-column osteotomy in severe spinal deformity?
Shiau Tzu Tzeng (Taiwan)

PS-SY-2-4

Intraoperative spinal neuromonitoring deterioration during spinal deformity correction surgery:when it happens, what to do and what to expect
Shiro Imagama (Japan)

PS-SY-2-5

Surgical treatment for neuromuscular disease patients with severe scoliosis whose cobb angle wasover 100 degrees
Masayuki Miyagi (Japan)

17

12:55 - 13:55

Luncheon Seminar 1

Sponsored by Medtronic Sofamor Danek Co., Ltd.
Moderator: Jun Takahashi (Japan)

Live
LS-1-1Treat-to-Target strategy in surgical treatment for adult spinal deformity
Takashi Kaito (Japan)

14:05 - 15:15

Best Paper
Moderators: Norio Kawahara (Japan) / Masahiko Watanabe (Japan) / Yung Hua Li (Singapore) / Ki-Tack Kim (Korea) / Shinji Takahashi (Japan) / Daisuke Sakai (Japan)

Live On-demand
PS-BP-ASJ-1 Introduction to Asian Spine Journal (ASJ)
Hak-Sun Kim (Korea)

PS-BP-ASJ-2 Introduction to Asian Spine Journal (ASJ)
Jae Hwan Cho (Korea)

PS-BP-1

Significance of vertebral body sliding osteotomy as a surgical strategy forthe treatment of cervical ossification of the posterior longitudinal ligament
Sehan Park (Korea)

PS-BP-2Comparison of the clinical and radiographic results between cervical artificial disc replacement
and anterior cervical fusion: 10-year follow-up study
Kai Yan (China)

PS-BP-3

Deep learning pipeline for automated detection and classification of central canal, lateral recess
and neural foraminal stenosis on lumbar spine MRI
Jiong Hao Tan (Singapore)

PS-BP-4

Intrathecal administration of recombinant human hepatocyte growth factor for acute traumatic
cervical spinal cord injury: double-blinded, placebo-controlled and randomized phase I/II study
Kazuya Kitamura (Japan)

PS-BP-5

Prediction of final outcome after posterior correction with lower instrumented vertebra L3 or L4
for the correction of structural thoracolumbar/lumbar curve-minimum 5 years follow-upKun-Bo Park (Korea)

PS-BP-6

Better patient experience improves outcomes in paediatric patients with scoliosis
Yi Ling Chua (Singapore)

PS-BP-7

Clarifying the therapeutic effect of grafted human iPSC derived neurons in spinal cord injury bychemically controlling neuronal activity
Takahiro Kitagawa (Japan)

PS-BP-8

Long-term selective stimulation of transplanted neural stem/progenitor cells for spinal cord injury
improves locomotor function mediated by increased synaptic transmission
Momotaro Kawai (Japan)

PS-BP-9Novel biomarkers of health and degeneration in human intervertebral discs - in-depth proteomic
analysis of collagen framework of fetal, healthy, scoliotic, degenerate and herniated discs
Dilip Chand Raja Soundararajan (India)18

15:25 - 16:25

Meet the Master 1: Cervical Spine and MISS

(7 min Presentation + 3 min Discussion)Moderators: Zairin Noor (Indonesia) / Swarnakumaar Velayutham (Sri Lanka) / Ken Ishii (Japan)

Live On-demand
PS-MM-1-1

Post-irradiation upper cervical spine complications
Jason Pui Yin Cheung (Hong Kong)

PS-MM-1-2

Anterior pedicle screw and plate fixation in cervical reconstruction
Yasutsugu Yukawa (Japan)

PS-MM-1-3

Policy on treatment for spinal cord injury
Harvinder Singh Chhabra (India)

PS-MM-1-4

Cervical deformity and complex cervical reconstruction
Hirotaka Chikuda (Japan)

PS-MM-1-5

Percutaneous pedicle screw fixation in thoracolumbar spine
Chee Kidd Chiu (Malaysia)

PS-MM-1-6

Minimum invasive anterior lumbar interbody fusion for L5/S1
Seiji Ohtori (Japan)

16:40 - 17:40

Plenary 1(25 min Presentation + 5 min Discussion)Moderators: Yukihiro Matsuyama (Japan) / Yat Wa Wong (Hong Kong)

Live On-demand
PS-PL-1-1

How TES (Total en bloc spondylectomy) was established?
-my soul and spirit through "Mission impossible"!
Katsuro Tomita (Japan)

PS-PL-1-2

Correction of spine deformities using spinal osteotomy: from the cervicothoracic junction to the
lumbosacral spine
Kuniyoshi Abumi (Japan)

17:55 - 18:55

Meet the Master 2: Spinal Deformity(7 min Presentation + 3 min Discussion)Moderators: Vo Van Thanh (Vietnam) / Hiroshi Ozawa (Japan) / Huiren Tao (China)

Live On-demand
PS-MM-2-1

A classification for kyphosis based on column deficiency, curve magnitude and osteotomy
requirement
S Rajasekaran (India)

PS-MM-2-2

Minimally invasive approach to adult spine deformity using minimally invasive stabilization (MISt)
techniqueTakanori Saito (Japan)

PS-MM-2-3

Use of halo pelvic traction in the treatment of severe proximal thoracic kyphoscoliosis secondary
to neurofibromatosis
Chris Yin Wei Chan (Malaysia)

PS-MM-2-4

How to correct severe deformity in adults
Mitsuru Yagi (Japan)

PS-MM-2-5

Adjacent segment degeneration following lumbar spine surgery: prevalence, risk factors,
prevention, and management
Chi-Chien Niu (Taiwan)

19

PS-MM-2-6

Surgical management of scoliosis in type 1 neurofibromatosis - a multicentric study
Saumyajit Basu (India)

June 11 (Fri.)_501
8:45 - 9:45

Morning Seminar 1

Sponsored by Nippon Zoki Pharmaceutical Co., Ltd.
Moderator: Morio Matsumoto (Japan)

Live
MS-1-1Minimally invasive spinal treatment: current and future prospects
Ken Ishii (Japan)

10:00 - 11:00

Symposium 3: Osteoporosis(8 min Presentation + 2 min Discussion)Moderators: Abdul Satar (Pakistan) / Ronald Paraguya Tangente (Philippines) / Hirotaka Haro (Japan)

Live On-demand
PS-SY-3-1

Treatment strategy for osteoporotic vertebral fracture
Ram Chaddha (India)

PS-SY-3-2

Revisiting conservative management of acute osteoporotic vertebral fractures (in the setting of
COVID-19 pandemic)
Anne Kathleen Batto Ganal-Antonio (Philippines)

PS-SY-3-3Strategies in the management of delayed union in osteoporotic vertebral compression fractures
Jose Manuel F. Ignacio (Philippines)

PS-SY-3-4

3-column osteotomy for kyphosis following osteoporotic vertebral fracture
Yu Yamato (Japan)

PS-SY-3-5

How to prevent the implant failure in osteoporotic patients?
Kotaro Nishida (Japan)

11:15 - 12:15

APSS Scoliosis Focus Group + JSS Joint Symposium(8 min Presentation + 2 min Discussion)Moderators: Mun Keong Kwan (Malaysia) / Daisuke Sakai (Japan)

Live On-demand
PS-JS-1

What is the goal of scoliosis surgery?
Leok Lim Lau (Singapore)

PS-JS-2

Brace treatment for adolescent idiopathic scoliosis: differences between past and present
Hideki Shigematsu (Japan)

PS-JS-3Fusion level selection and strategy in adolescent idiopathic scoliosis
Shu-Hua Yang (Taiwan)

PS-JS-4Long-term outcome of correction surgery for pediatric scoliosis patients
Kota Watanabe (Japan)

PS-JS-5

The direction of clinical research regarding adolescent idiopathic scoliosis in Asian countries: what
can we do? & what should we prepare?
Jason Pui Yin Cheung (Hong Kong)20

12:30 - 13:30

Luncheon Seminar 3

Sponsored by NuVasive Japan K.K.
Moderator: Manabu Ito (Japan)

Live
LS-3-1

Lumbar spinal canal stenosis from the viewpoint of basic science and clinical medicine
Nobuyuki Fujita (Japan)

13:45 - 14:45

Video on Key Surgical Techniques 1(7 min Presentation + 3 min Discussion)Moderators: Brian Hsu (Australia) / Wen-Tien Wu (Taiwan) / Manabu Ito (Japan)

Live On-demand
PS-VD-1-1

Long-term follow-up results after treatment of degenerative disease with cervical discarthroplasty: a ten-year follow-up
Zhuojing Luo (China)

PS-VD-1-2

Mobi-C total disc replacement- surgical techniques and clinical outcomes Ken Ishii (Japan)

PS-VD-1-3

Redo anterior revision surgery for symptomatic anterior cervical pseudarthrosis
Torphong Bunmaprasert (Thailand)

PS-VD-1-4

Techniques for C1/2 fixation
Kenny Yat Hong Kwan (Hong Kong)

PS-VD-1-5

Anterior column realignment (ACR) technique
Hiroshi Taneichi (Japan)

PS-VD-1-6

Surgical techniques of total en bloc spondylectomy (TES)
Hideki Murakami (Japan)

15:00 - 15:30

Presidential Oration(30 min Presentation)
Moderators: Morio Matsumoto (Japan) / K. Shanmugam Sivananthan (Malaysia)

Live On-demand
PS-PO-1

My life as a spine surgeon of lateral thinking
Shoichi Kokubun (Japan)

15:30 - 15:40

APSS Presidential Inauguration Ceremony(10 min Presentation)

Live On-demand21

15:40 - 15:45

Preview of APSS 2022 Annual Meeting(5 min Presentation)

Live On-demand
PS-PR-1

Preview of APSS 2022
Saumyajit Basu (India)

16:00 - 17:00

Symposium 4: Deformity(8 min Presentation + 2 min Discussion)Moderators: Rohit Pokharel Kumar (Nepal) / Dennis Hey (Singapore) / Gen Inoue (Japan)

Live On-demand
PS-SY-4-1

Selection of UIV & LIV in adult spinel deformity surgery -how to reduce complications
Kyu-Jung Cho (Korea)

PS-SY-4-2

When and how to use novel techniques (ACR/OLIF) to achieve ideal lumbar lordosis for severe
sagittal imbalance?
Se-Jun Park (Korea)

PS-SY-4-3

Comparison of traditional iliac screw vs S2 alar iliac-screws (S2AI) vs subcrestal iliac screw in spinal
deformity surgery
Gabriel Liu (Singapore)

PS-SY-4-4

Predictors and clinical importance of postoperative coronal malalignment after surgery to correct
adult spinal deformity
Tetsuro Ohba (Japan)

PS-SY-4-5

Vertebral body tethering as the current non-fusion surgical option for scoliosis
Mehmet Aydogan (Turkey)

17:15 - 18:15

Symposium 5: Surgical Complications(8 min Presentation + 2 min Discussion)Moderators: Rabindra L Pradhan (Nepal) / Udai De Silva (Sri Lanka) / Mitsuru Yagi (Japan)

Live On-demand
PS-SY-5-1

A case of paraplegia secondary to cement leakage from vertebroplasty
Romel P. Estillore (Philippines)

PS-SY-5-2

Cervical complications and their prevention
Nobuhiro Tanaka (Japan)

PS-SY-5-3

Prevention of surgical complications in OPLL of the cervical spine
Ronald Paraguya Tangente (Philippines)

PS-SY-5-4

Does prophylactic bilateral C4-5 foraminotomy really prevent C5 palsy in open-door cervicallaminoplasty?
Wen-Tien Wu (Taiwan)

PS-SY-5-5

Adding-on in adolescent idiopathic scoliosis and how to avoid it
Ajoy Prasad Shetty (India)22

18:30 - 19:30

Symposium Innovation in Spine(8 min Presentation + 2 min Discussion)Moderators: Masaya Nakamura (Japan) / Takashi Kaito (Japan)

Live On-demand
PS-SI-1

Role and mechanism of condoliase for treatment of lumbar disc herniation
Kazuhiro Chiba (Japan)

PS-SI-2

AI to diagnostic imaging of spine disease: estimating spinal alignment from the morphology of
back's surface
Kota Watanabe (Japan)

PS-SI-3

Usage of artificial intelligence for image assessment in osteoporotic vertebral fracture
Shinji Takahashi (Japan)

PS-SI-4

Robotic intervention for rehabilitation after spine surgery
Masashi Yamazaki (Japan)

PS-SI-5

Regenerative therapy for spinal cord injury using iPSCs
Narihito Nagoshi (Japan)

Hands-on Seminars
June 11 (Fri.)_401
9:00 - 12:00

Hands-on Seminar 1

Sponsored by Johnson & Johnson

On-site On-demand
HS-1-1

Elastic nail hands-on seminar

June 11 (Fri.)_402
15:30 - 16:30

Hands-on Seminar 2

Sponsored by Stryker Japan K.K.

On-site On-demand
HS-2-2Cutting Academy -with Sonopet iQ new ultrasonic aspiratorInstructor: Tomohiko Hasegawa (Japan)

23June 12 (Sat.)_501
8:45 - 9:45

Morning Seminar 3

Sponsored by KAKEN PHARMACEUTICAL CO., LTD.
Moderator: Kazuhiro Chiba (Japan)

Live
MS-3-1

Early reaction of Condoliase for lumbar disc herniation
Kenji Endo (Japan)

MS-3-2Development of CHase ABC (Condoliase) and its application for chemonucleolysis of lumbar discherniation
Hisashi Iwata (Japan)

10:00 - 11:00

Symposium 6: MISS and Spinal Instrumentation(8 min Presentation + 2 min Discussion)Moderators: Myint Thaung (Myanmar) / Muhammad Tariq Sohail (Pakistan) / Masashi Neo (Japan)

Live On-demand
PS-SY-6-1

MIS options in degenerative spondylolisthesis: when do we decompress and when do we fuse?
Arvind Gopalrao Kulkarni (India)

PS-SY-6-2

How to avoid the neurological complications of PELD?
Si-Young Park (Korea)

PS-SY-6-3

Cervical pedicle screws; how to increase accuracy without navigation system or template
Kota Suda (Japan)

PS-SY-6-4

Oblique lumbar interbody fusion L5-S1 – indications, tips and video
Reuben Soh (Singapore)

PS-SY-6-5

Application of minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) in spinal
deformities
Wai Mun Yue (Singapore)

11:15 - 12:15

Video on Key Surgical Techniques 2(7 min Presentation + 3 min Discussion)Moderators: Khondker Abdul Awal (Bangladesh) / Yoshiharu Kawaguchi (Japan)

Live On-demand
PS-VD-2-1

Full-endoscopic trans-kambin lumbar interbody fusion (fullendo KLIF) for degenerative spinal
conditions
Koichi Sairyo (Japan)

PS-VD-2-2

Minimally invasive surgery with the use of spinal endoscope (MED) for lumbar foraminal stenosis
Hiroshi Yamada (Japan)

PS-VD-2-3

OLIF51
Byung Joon Shin (Korea)

PS-VD-2-4

Pedicle subtraction osteotomy using pedicle screws and kokubun dynamic correction hook system
for lumbar degenerative kyphosis
Hiroshi Ozawa (Japan)

PS-VD-2-5

VCR
Chung Chek Wong (Malaysia)

24

PS-VD-2-6

Correction of severe adolescent idiopathic scoliosis (AIS) with cobb angle ≥ 90 degrees
Mun Keong Kwan (Malaysia)

12:30 - 13:30

Luncheon Seminar 5Sponsored by Johnson & Johnson Ethicon/DePuy Synthes Spine
Moderator: Morio Matsumoto (Japan)

Live On-demand
LS-5-1

Spine surgery in an aging population
Kota Watanabe (Japan)

13:45 - 14:45

APSS-APPOS Combined Symposium(8 min Presentation + 2 min Discussion)Moderators: Yat Wa Wong (Hong Kong) / Hee-Kit Wong (Singapore) / Morio Matsumoto (Japan)

Live On-demand
J-SY-1

Challenge for extremely large scoliosis with severe and difficult disease
Masashi Takaso (Japan)

J-SY-2

Early onset scoliosis (EOS) - effectiveness of growing devices
Arvind Jayaswal (India)

J-SY-3Congenital scoliosis
Keith DK Luk (Hong Kong)

J-SY-4

Knacks & pitfalls of the treatment for syndromic scoliosis
Haruhisa Yanagida (Japan)

14:45 - 14:55

Closing Remarks

Live

25

On-demand Only Program_APSS
APSS Fellowship Session
PS-FE-1(10 min Presentation)

APSS medtronic fellowship 2018
Nirmal Patil (India)

PS-FE-2

APSS medtronic fellowship 2019
Rommel Tan (Philippines)

PS-FE-3

APSS-SICOT spine fellowship (Exchange program) - 2019
S Dilip Chand Raja (India)

PS-FE-4

APSS-Ganga hospital 2019
Mohammad Abdul Hannan (Bangladesh)

PS-FE-5

APSS-Ganga hospital 2019
Tomohiro Banno (Japan)

Free Paper: Cervical Spine Degenerative Diseases
PS-FP-1-1(5 min Presentation)Long screws for spacer fixation without lateral mass drilling in double door laminoplasty (tiptoe
technique)Ivan Sekiguchi (Japan)

PS-FP-1-2

Fusion and subsidence rates of vertebral body sliding osteotomy: comparison of 3 reconstructive
techniques for multilevel cervical myelopathy
Sehan Park (Korea)

PS-FP-1-3

Floating laminoplasty for the treatment of compressive myelopathy accompanied with C1
posterior ring hypoplasia
Sang Yun Seok (Korea)

PS-FP-1-4

The association between atlantoaxial instability and anomalies of vertebral artery and axis
Chanwoong Byun (Korea)

PS-FP-1-5

What is the risk of cervical deformity after posterior cervical decompression surgery ?: amulticenter study
Shin Oe (Japan)

PS-FP-1-6

The effect of using lamina spacer on postoperative cervical alignment and range of motion in
double-door laminoplasty
Akinobu Matsushita (Japan)

PS-FP-1-7K-line (−) in the neck-flexed position negatively affects surgical outcome of expansive open-doorlaminoplasty for cervical spondylotic myelopathy
Satoshi Nori (Japan)

PS-FP-1-8

Preoperative severity of spinal cord compression and its restoration during the early postoperative
period affect the development of C5 palsy
Masahiro Mizutani (Japan)

PS-FP-1-9

A multicentre, prospective, randomized controlled trial comparing efficacy and safety of ProDisc–C
to anterior cervical discectomy and fusion for treatment of symptomatic cervical disc disease
Naresh Kumar (Singapore)

PS-FP-1-10

The impact of over-distraction on adjacent segment pathology and cage subsidence in anteriorcervical discectomy and fusion with porous tantalum trabecular metal cages
Chi-Chien Niu (Taiwan)

PS-FP-1-11

Surgical outcome of cervical compressive myelopathy with mild severity -Investigation of patientswith preoperative JOA score of 14.5 or aboveMasahiro Ozaki (Japan)

26

PS-FP-1-12

Do intra-operative neurophysiological changes impact functional outcome following
decompressive surgery for cervical myeloradiculopathy? A prospective study
Keyur Kantilal Akbari (India)

PS-FP-1-13

Gap between flexion and extension range of motions: a novel indicator to predict the loss ofcervical lordosis after laminoplaty for cervical spondylotic myelopathy
Takashi Fujishiro (Japan)

PS-FP-1-14

Decompression status of the spinal cord after cervical laminoplasty in various body positions andneck postures observed using percutaneous ultrasonography: relationship with neurologicalrecovery
Sachio Hayama (Japan)

PS-FP-1-15

Does elevated mean-arterial pressure lead to better outcomes in degenerative cervicalmyelopathy? - a prospective, pilot randomized control trial
Ayush Sharma (India)

PS-FP-1-16

C6 radiculopathy can cause so-called C5 palsy -comparison to C5 radiculopathyTakumi Tsubakino (Japan)

PS-FP-1-17

Posterior hybrid technique for multi-level cervical spondylotic myelopathy with instability
Hao Zhang (China)

PS-FP-1-18

The feasibility study of cervical pedicle screwed with new individual-oriented template by 3D
printing technology
Hao Zhang (China)

PS-FP-1-19

ACDF with cervical uncinectomy for cervical radiculopathy with foraminal stenosis
Hao Zhang (China)

PS-FP-1-20

Investigation of diagnostic imaging criteria for developmental stenosis based on cervicalspondylotic myelopathy in young patients
Tsuyoshi Iida (Japan)

PS-FP-1-21

Surgical strategy for the cervical kyphosis patients associated with cervical spondylolisthesis –three cases’ experienceDaichi Takahashi (Japan)

PS-FP-1-22

Factors affecting postoperative complications and outcomes of cervical spondylotic myelopathy
with cerebral palsy: a retrospective analysis
Hyung Cheol Kim (Korea)

PS-FP-1-23

Prediction of postoperative loss of lordosis using radiologic parameters after cervical laminoplasy
according to disease entities
Hyeongseok Jeon (Korea)

PS-FP-1-24

A meta analysis of the efficacy of botulinum toxin a and occupational therapy versus occupational
therapy alone in children with upper limb spastic cerebral palsy
Alice Chu (USA)PS-FP-1-25

Comparison of clinical outcomes of laminoplasty alone versus laminoplasty with foraminotomy inpatients with cervical spondylotic myelopathy
Umair Ahmad Zaheer (Pakistan)

PS-FP-1-26

Modified kurukawa cervical laminoplasty using iliac crest bone graft as spacers - why to do it anyother way?
Aashish Babanrao Ghodke (United Kingdom)

PS-FP-1-27

Preoperative transverse area of spinal cord compression using quantitative magnetic resonanceimaging in surgically treated cervical spondylotic myelopathy: a descriptive study
Jon Christian Sanga Manuntag (Philippines)

PS-FP-1-28

Impact of cervical alignment for prognosis of cervical spondylotic amyotrophy – propensity scorematching analysis –Masahito Takahashi (Japan)

27

PS-FP-1-29

Usefulness of the disabilities of the arm, shoulder, and hand in evaluating surgical outcome ofcervical spine disorders
Nao Otomo (Japan)

PS-FP-1-30

The posterolaterally oriented and laterally downward sloping facet joint is a risk factor fordegenerative cervical spondylolisthesis and myelopathy
Hiromi Kumamaru (Japan)

PS-FP-1-31

Analysis of the electromyographic activity of the masticatory muscles of individuals withdegenerative diseases of the intervertebral discs
Flavia Argentato Cecilio (Brazil)

PS-FP-1-32

Impact of intervertebral disc degenerations on the bite force and thickness of the masticatory
muscles of adult subjects
Nicole Barbosa Bettiol (Brazil)

PS-FP-1-33

Accuracy of the adjustable aiming device for caspar pin insertion in anterior cervical spine surgery:human cadaveric study
Torphong Bunmaprasert (Thailand)

PS-FP-1-34

The natural history of patients with cervical radiculopathy treated conservatively and correlatingwith clinical and MRI features after a mean follow-up of 33 months
Gowtham Ranga Sai Jallipalli (India)

PS-FP-1-35

Is cervical posterior fixation effective for neck pain?
Takeo Furuya (Japan)

PS-FP-1-36

Incidence, prevalence and clinical significance of modic changes in cervical spine- a prospective
study
Dilip Chand Raja Soundararajan (India)

PS-FP-1-37

Efficacy of ultrasound-guided nerve root block for cervical spondylotic C6 radiculopathy
Shinichi Ishihara (Japan)

Free Paper: Thoracic and Lumbar Spine Degenerative Diseases
PS-FP-2-1(5 min Presentation)

Spinal column phenotypes with lumbar developmental spinal stenosis - results from 2387 MRIs
Jason Pui Yin Cheung (Hong Kong)

PS-FP-2-2

Increased population risk of radicular leg pain in lumbar developmental spinal stenosis
Jason Pui Yin Cheung (Hong Kong)

PS-FP-2-3

Effects of bone cement augmentation for upper instrumented vertebra on adjacent segmentdegeneration in lumbar fusions
Young-Hoon Kim (Korea)

PS-FP-2-4

Indirect decompression of the lumbar spinal canal in severe degenerative lumbar canal stenosis ispossible from posterior approach
Ivan Sekiguchi (Japan)

PS-FP-2-5

The problems and measures of L5 osteotomy
Takashi Kobayashi (Japan)

PS-FP-2-6

Natural history of lumbar degenerative kyphosis : progression of clinical symptoms andradiological parameters over long-term follow-up (minimum 5 years follow up)
Jae Won Lee (Korea)

PS-FP-2-7

Spinal endoscopic-full see technique for the treatment of two-level lumbar lateral recess stenosis
En Song (China)

PS-FP-2-8

Effect of spinal sagittal imbalance on functional disability in patients with degenerative
spondylolisthesis
Karthik Raghunatha Reddy (India)

PS-FP-2-9

A novel and low cost modality for osteoporotic vertebral compression fracture fixation: sublaminarmersilene tape augmented pedicle screws fixation
Ghanshyam Kakadiya (India)

28

PS-FP-2-10

Multi-rod constructs in thoracolumbar spine: technique, indications and outcomes
Vishal Manharkumar Dindod (India)

PS-FP-2-11

Five-year postoperative good outcomes after facet fusion using a percutaneous pedicle screw
system for degenerative lumbar spondylolisthesis
Tomohiro Miyashita (Japan)

PS-FP-2-12

The role of gut-skin-spine axis in the establishment and evolution of human intervertebral discmicrobiome and degenerative disc disease
Dilip Chand Raja Soundararajan (India)

PS-FP-2-13

The catastrophization effects of an MRI report on the patient and surgeon and the benefits of'clinical reporting'
Dilip Chand Raja Soundararajan (India)

PS-FP-2-14

Sub-clinical infection can be an initiator of inflammaging leading to degenerative disc disease –evidence from host defense response mechanisms
Dilip Chand Raja Soundararajan (India)

PS-FP-2-15

Dynamic ultrasound imaging of lumbar multifidus for assessment of lumbar spinal muscles
Yongsoo Choi (Korea)

PS-FP-2-16

Examination of surgical procedure for lower lumbar osteoporotic vertebral body fractures
Yuji Kasukawa (Japan)

PS-FP-2-17

Clinical relationship between spinopelvic alignment and lumbar spinal canal stenosis in patientswith rheumatoid arthritis
Shunsuke Ito (Japan)

PS-FP-2-18

Lumbar disc degeneration and vertebral fracture at thoracolumbar junction are risk factors forchronic low back pain with disability: the Wakayama Spine Study
Hiroshi Hashizume (Japan)

PS-FP-2-19

Risk factors for cage retropulsion after transforaminal lumbar interbody fusion in older patients
Nan Li (China)

PS-FP-2-20

AGEs are associated with the intensity of back pain symptoms in patients with lumbar spinal
stenosis
Masatoshi Teraguchi (Japan)

PS-FP-2-21

Patient-reported outcome of lower extremity improved after posterior decompression and lumbarinterbody fusion for degenerative lumbar diseases
Sung-Min Kim (Korea)

PS-FP-2-22

Prevalence and characteristics of osteoporotic vertebral fracture in elderly patients with sagittal
imbalance
Akito Yabu (Japan)

PS-FP-2-23

Clinico-radiological outcomes of the transforaminal lumbar interbody fusion vs oblique lumbarinterbody fusion and Spinopelvic sagittal balance in degenerative lumbar spondylolisthesis
Ghanshyam Kakadiya (India)

PS-FP-2-24

Prevalence of diffuse idiopathic skeletal hyperostosis in the general elderly population: a Japanesecohort survey randomly sampled from a basic resident registry
Masashi Uehara (Japan)

PS-FP-2-25

The resurgence of CT myelogram using HRCT with dynamic oblique reconstruction in the age of
MRI
Keyur Kantilal Akbari (India)

PS-FP-2-26

Effect of segmental lordosis on early-onset adjacent segment disease after PLIF
Shinya Okuda (Japan)

PS-FP-2-27

Facet joint opening on CT is a predictor for poor clinical outcomes after less-invasive
decompression surgery for lumbar spinal stenosis
Kentaro Yamada (Japan)

29

PS-FP-2-28

Impact of knee osteoarthritis on surgical outcomes of lumbar spinal canal stenosis
Masahiro Ozaki (Japan)

PS-FP-2-29

Osseous union after posterior lumbar interbody fusion -pay attention to large interbody angleKeichi Nakai (Japan)

PS-FP-2-30

Symptomatic post-surgical lumbar pseodomeningocoele treated by ultrasound guided blood
patch application-a case report
Rohit Akshay Kavishwar (India)

PS-FP-2-31

Titanium (TI) cages may be superior to polyetheretherketone (PEEK) cages in lumbar interbody
fusion: a systematic review and meta-analysis of clinical and radiological outcomes
Jun-Hao Tan (Singapore)

PS-FP-2-32

Risk factors for postoperative ileus after oblique lateral interbody fusion: a multivariate analysis
Sung Cheol Park (Korea)

PS-FP-2-33

10-year longitudinal MRI study of Intervertebral disc degeneration in patients with lumbar spinal
canal stenosis after posterior lumbar decompression surgery
Takeshi Fujii (Japan)

PS-FP-2-34Pre-operative chronic opioid use relates to poor outcome of spine surgery: a nationwide study
Yu-Han Chen (Taiwan)

PS-FP-2-35

Correlation between clinical scoring systems and quantitative mri parameters in degenerative
lumbar spinal stenosis
Tungish Bansal (India)

PS-FP-2-36

A rare case of idiopathic dorsal spinal cord herniation perforating the lamina
Kento Yamanouchi (Japan)

PS-FP-2-37

Discogenic low back pain can be diagnosed with an ultrasonographic-guided disc pain induction
test
Keisuke Masuda (Japan)

PS-FP-2-38

Degenerative lumbar spondylolisthesis patients with movement-related low back pain have lesspostoperative satisfaction after decompression alone
Ryosuke Hirota (Japan)

PS-FP-2-39

Extraforaminal stenosis at L2–L3 treated with microendoscopic surgery: report of two cases
Arihiko Tsukamoto (Japan)

PS-FP-2-40

Giant thoracic disc herniation surgery
Isao Kitahara (Japan)

PS-FP-2-41

Contiguous level disc degeneration and its association with other spinal phenotypes in patientswith prolapsed lumbar discs- an MRI study
Uruj Zehra (Pakistan)

PS-FP-2-42

Occurrence rate of sacroiliac joint disorders before and after lumbar surgeries and treatment
strategies
Daisuke Kurosawa (Japan)

PS-FP-2-43

Technical pitfalls during sacroiliac joint arthrodesis for patients with sacral dysmorphism induced
by lumbosacral transitional vertebrae
Daisuke Kurosawa (Japan)

PS-FP-2-44

Prediction of lumbar lordosis in the normal population: a predictive formula for ideal lumbar
lordosis
Changwei Yang (China)

PS-FP-2-45

Role of thoracic kyphosis and pelvic incidence on compensation for the sagittal balance in lowgrade spondylolisthesis
Changwei Yang (China)

PS-FP-2-46

Analysis of revision surgery for symptomatic adjacent segment diseases after lumbar fusion using
JOABPEQ
Satoshi Suzuki (Japan)

30

PS-FP-2-47

Influence of comorbid knee osteoarthritis on surgical outcome and sagittal spinopelvic/lowerextremity alignment in elderly patients with degenerative lumbar spondylolisthesis undergoingtransforaminal lumbar interbody fusion
Motonori Kohno (Japan)

PS-FP-2-48

Association between lumbar segmental mobility and intervertebral disc degeneration quantified
by magnetic resonance imaging T2 mapping
Izaya Ogon (Japan)

PS-FP-2-49

Diagnostic performance of conventional two-dimensional MRI for L5-S foraminal stenosis
Kohei Takahashi (Japan)

PS-FP-2-50

The longitudinal analysis to determine whether the presence of current sexual activities among
elderly people affect low back pain or not
Shoichiro Ohyama (Japan)

PS-FP-2-51

ULIF versus conventional PLIF for 2 lumbosacral segment : clinical and radiological outcomes of
one-year follow-up
Seung-Hyun Choi (Korea)

PS-FP-2-52

Influence of degenerative diseases of intervertebral discs on masticatory efficiency
Claire Genoveze Gauch (Brazil)

PS-FP-2-53

How the novel modular spine blocks affect the adjacent lumbar spine on finite element analysis?
Jui-Yang Hsieh (Taiwan)

PS-FP-2-54

Epidemiology and burden of osteoporotic patients with spine fusion procedures with pedicle
screws in Japan: a nationwide claim database analysis
Kotaro Nishida (Japan)

PS-FP-2-55

Short segmental lumbar surgery improves health-related quality of life without limiting activities
of daily living: a retrospective study
Ryota Kimura (Japan)

PS-FP-2-56

Coronal MRI for diagnosis of lumbar foraminal stenosis – a comparative study of reliability,
reproducibility and interpretation between T1 and T2-weighted images
Ko Hashimoto (Japan)

PS-FP-2-57

Analysis of multicentric vertebroplasty data regarding subsequent vertebral fractures, cement
leakage and correlation to BMD
Gokul Hirachand Bandagi (India)

PS-FP-2-58

Intradiscal Vacuum Phenomenon (IDVP): radiological factors to predict the selective appearance
and a new morphological classification system
Swapnil Sanjay Hajare (India)

PS-FP-2-59

A two-year outcome of various techniques of discectomy; a multicentric retrospective study
praveen Vnr Goparaju (India)

PS-FP-2-60

The characteristics of degenerative disc disease - Pfirrmann vs Thompson grading systems
Kamil Krupa (Poland)

PS-FP-2-61

Efficacy of caudal neuroplasty versus transforaminal epidural block for radiating pain caused bylumbar foraminal stenosis
Jihun Park (Korea)

PS-FP-2-62

Risk factors associated with low back pain in patients with osteoporosis
Yusuke Mimura (Japan)

PS-FP-2-63

May the midline lumbar interbody fusion (MIDLIF) prevent the early adjacent segmentdegeneration? A minimum 3-year follow-up comparative study of MIDLIF in L4/5
Bo Han (China)

PS-FP-2-64

The outcome and complications of cortical bone trajectory fixation in lumbar degenerative
patients with osteoporosis: a prospective, randomized controlled study
Hongtao Ding (China)

31

PS-FP-2-65

Effect of posterior lumbar fusion on the degeneration of adjacent segments using cortical bone
trajectory screw fixation
Hongtao Ding (China)

PS-FP-2-66

Spinopelvic parameters and symptomatic lumbar degeneration in Nepalese patients
Rabindra L Pradhan (Nepal)

PS-FP-2-67

A prospective study on the learning curve about the clinical outcome, screw placement accuracy
and complications in MIDLF surgery
Hongtao Ding (China)

PS-FP-2-68

Efficacy, safety, and reliability of surgery on the lumbar spine under general versus spinal
anesthesia- an analysis of 64 cases
Sharif Ahmed Jonayed (Bangladesh)

PS-FP-2-69

Multi level lumbar canal stenosis- does surgery really improve the functional outcome?
Sharif Ahmed Jonayed (Bangladesh)

PS-FP-2-70

Is sagittal spinopelvic imbalance a critical factor for revision hip arthroplasty ?
Cheng-Min Hsu (Taiwan)

PS-FP-2-71

Neural compression in patients with lumbar spinal stenosis has influence on postural control
Chuan-Ching Huang (Taiwan)

PS-FP-2-72

Prevalence and clinical correlation of lumbosacral transitional vertebra: an ambi-spective study
based on 4027 whole spine MRI
Swapnil Sanjay Hajare (India)

PS-FP-2-73

Efficacy of analgesic cocktail on epidural patch for post-operative pain control in posterior surgery
of degererative lumbar spine(randomize control trial study)
Surawut Ruchirawan (Thailand)

PS-FP-2-74

Effect of 3-months of romosozumab treatment on spinal surgery: prospective study using finite
element analysis
Koji Ishikawa (Japan)

Free Paper: Cervical Spine Trauma
PS-FP-3-1(5 min Presentation)

Proposal of new classification and treatment strategy for transverse fractures of the C2 bodyJong-Beom Park (Korea)

PS-FP-3-2

An analysis of 49 cases with pedicle fractures of the c2 axis: is surgery necessary?
Jong-Beom Park (Korea)

PS-FP-3-3

Irreducible atlantoaxial dislocation with basilar invagination: single-stage anterior release withposterior instrumented fusion
Ghanshyam Kakadiya (India)

PS-FP-3-4

Pedicle screw fixation in the lower cervical spine
Pashupati Chaudhary (Nepal)

PS-FP-3-5

Direct osteosynthesis in hangman’s fracture risks vertebral artery injury
Tokumitsu Mihara (Japan)

PS-FP-3-6

Significance of the neurological Level of Injury as a prognostic predictor for motor complete
cervical spinal cord injury patients
Osamu Kawano (Japan)

PS-FP-3-7

Clinical features and post-treatment complications of C2 odontoid fractures: a retrospective
analysis using a national inpatient database in Japan
Akira Honda (Japan)

PS-FP-3-8

Surgical strategy as anterior submandibular retropharyngeal odontoid osteotomy and posterior
occipitocervical fusion with C1 laminoplasty for fixed atlantoaxial dislocation associated withodontoid fracture malunion
Kuang-Ting Yeh (Taiwan)

32

PS-FP-3-9

Anterior C2-3 fusion surgery alone for highly displaced hangman's fracture with severe angulationof C2-3 of more than 30°
Jong-Beom Park (Korea)

PS-FP-3-10

Is only anterior stabilization enough in three column injury of sub-axial cervical spine??- a longterm retrospective analysis of 78 patients
Manojkumar Basavareddy Gaddikeri (India)

PS-FP-3-11

Efficiency of long lateral mass screw
Seiya Watanabe (Japan)

PS-FP-3-12

Role of riluzole in acute traumatic cervical spinal cord injury with incomplete neurological deficita prospective, randomised control study
Guna K. Pratheep (India)

PS-FP-3-13

Traumatic cervical spinal cord injury after cervical laminoplasty for ossification of posterior
longitudinal ligament
Hironari Kaneyama (Japan)

PS-FP-3-14

Efficacy, safety, and reliability of single anterior approach for subaxial cervical spine dislocation
Sharif Ahmed Jonayed (Bangladesh)

Free Paper: Thoracic and Lumbar Spine Trauma
PS-FP-4-1(5 min Presentation)

Outcomes of thoracolumbar fracture dislocation by short segment and long segment posterior
fixation : a single center retrospective study
Samarth Mittal (India)

PS-FP-4-2

Pattern of spine fracture in sub-himalayan region: a prospective study
Samarth Mittal (India)

PS-FP-4-3

Results of groove-entry technique/hooking screw hybrid instrumentation for osteoporotic
vertebral fracture treatment
Ivan Sekiguchi (Japan)

PS-FP-4-4Clinical- radiological outcome of the one stage three-column reconstruction using posterior only
approach for osteoporotic burst fracture
Ghanshyam Kakadiya (India)

PS-FP-4-5

Mesh-hold bone filling container vertebroplasty in the treatment of osteoporotic vertebral
fractures with posterior wall injury:a study of the clinical efficacy and safety
En Song (China)

PS-FP-4-6

Outcomes of anterior surgery in thoraco-lumbar burst fractures – a long term follow-up
prospective observational study
Samarth Mittal (India)

PS-FP-4-7

Clinical safety study of photobiomodulation treatment of acute spinal cord injury by scattering
fiber
Zhuowen Liang (China)

PS-FP-4-8

A novel steerable PKP for treatment of thoracolumbar osteoporotic vertebral compression
fractures
En Song (China)

PS-FP-4-9

Mid-term results of anterior-posterior simultaneous reconstruction for lower lumbar spine injury
in the elderly
Yu Maeda (Japan)

PS-FP-4-10

Comperison of mini open wiltse approach with conventional posterior approach in patients withsingle segment unstable thoracolumbar fractures
Muhammad Siddique Hamid (Pakistan)

PS-FP-4-11

Spinous process fractures in osteoporotic vertebral fractures
Toshio Nakamae (Japan)

33

PS-FP-4-12

Comparative study to evaluate surgical outcomes between direct lateral corpectomy withpercutaneous pedicle screws and posterior spinal fusion with vertebroplasty for osteoporotic
thoracolumbar vertebral fracture
Hirotaka Haro (Japan)

PS-FP-4-13

Treatment of unstable pelvic ring fractures (AO type C) with minimum invasive spino-pelvic
fixation
Takuya Morita (Japan)

PS-FP-4-14

Surgical treatment of post-traumatic kyphosis in thoraco-lumbar spine-a retrospective analysis ofindications and long term outcome of surgery
Rohit Akshay Kavishwar (India)

PS-FP-4-15

Preventive effect on the vertebral collapse progression and potential in reducing the need forsurgery in conservative treatment with initial 2-week bed rest for OVF
Toru Funayama (Japan)

PS-FP-4-16

Effect of teriparatide in vertebroplasty with posterior spinal fusion for osteoporotic thoracolumbar
vertebral fracture
Yohei Shibuya (Japan)

PS-FP-4-17

Comparison of balloon kyphoplasty and conservative treatment for osteoporotic vertebral
fractures in patients with dementia
Atsushi Hasegawa (Japan)

PS-FP-4-18

Is fusion necessary in ao type c injuries of the thoracolumbar spine ?
Chandhan Murugan (India)

PS-FP-4-19

Alteration of Global and Regional Sagittal Alignment after Correction Surgery for Focal Kyphosis at
The Thoracolumbar Junction
Po Hao Huang (Taiwan)

PS-FP-4-20

The osteoporosis-induced vertebral fracture like the traumatic burst fracture (AO-B2) shows theprolonged instability and the progress local kyphosis
Ryutaro Kozuma (Japan)

PS-FP-4-21

Fusion versus non-fusion in thoracolumbar burst fracture treated with short segment posterior
instrumentation including the fracture vertebra
Sharif Ahmed Jonayed (Bangladesh)

Free Paper: Spine Deformities
PS-FP-5-1(5 min Presentation)

Optimizing the brace-weaning criteria in adolescent idiopathic scoliosis: the role of utilizing the
new Sanders 7b staging
Jason Pui Yin Cheung (Hong Kong)

PS-FP-5-2

Computed tomography analysis of sacropelvic parameters in patients with and without L5
spondylolysis
Joseph F Baker (New Zealand)

PS-FP-5-3

Is the self-image critical factor to decide surgical treatment for adolescent idiopathic scoliosis
patients? Comparison between surgery and non-surgery patients
Hideki Shigematsu (Japan)

PS-FP-5-4

Does the segmental flexibility assessed by fulcrum-bending radiograph correlate withpostoperative each Cobb angle in adolescent idiopathic scoliosis?
Sachiko Kawasaki (Japan)

PS-FP-5-5

Case report: neurological deficit due to a combination of thoracolumbar kyphosis and lumbar
canal stenosis is a 15-year-old boy with achondroplasia
Ghanshyam Kakadiya (India)

PS-FP-5-6

Postoperative coronal imbalance following selective thoracolumbar-lumbar fusion in Lenke 5C AIS
Akira Matsumura (Japan)

34

PS-FP-5-7

Preliminary report of surgical outcomes of the relatively short fusion (L2-Pelvis fixation) for the
ASD patients
Akira Matsumura (Japan)

PS-FP-5-8

The effect of overcorrection on proximal junctional kyphosis in adult spinal deformity:
comparisons by age-adjusted ideal sagittal alignment
Chanwoong Byun (Korea)

PS-FP-5-9

Sitting radiographs for adult spinal deformity surgery -preventing methods for proximal junctional
failureGo Yoshida (Japan)

PS-FP-5-10

Factors influencing postoperative disc angle in Lenke type 5C adolescent idiopathic scoliosis
Satoru Demura (Japan)

PS-FP-5-11

Prevalence and risk factors for subjacent disc wedging after corrective fusion surgery in Lenke
type 5C curve patients
Tomohiro Banno (Japan)

PS-FP-5-12

Global imbalances in the lower lumbar are risk factors for revision surgeries in post-operative AIS
patients: clinical analyses with a median follow-up of 17.4 years
Tsunehiko Konomi (Japan)

PS-FP-5-13

The role of routine preoperative echocardiogram in adolescent idiopathic scoliosis patients
undergoing deformity corrective surgery
Ahmed M A Hassan (United Kingdom)

PS-FP-5-14

The role of preoperative somatosensory evoked potential in patients undergoing adolescentidiopathic scoliosis corrective surgery
Ahmed M A Hassan (United Kingdom)

PS-FP-5-15

Computed tomography study of the relationship between pelvic incidence and osseous
contribution to lumbar lordosis in children
Joseph F Baker (New Zealand)

PS-FP-5-16

Improvement of the patient demographics, radiographic index and surgical invasiveness formechanical failure (PRISM) with prevention procedures of mechanical failures in adult spinal
deformity surgery
Mitsuru Yagi (Japan)

PS-FP-5-17

A Simplified Skeletal Maturity Scale and Thumb Ossification Composite Index to Assess Skeletal
Maturity and Predict Height Velocity in Japanese Females with Adolescent Idiopathic Scoliosis
Masaaki Chazono (Japan)

PS-FP-5-18

The effect of lumbosacral fusion on scoliotic curves in young patients with co-existing
spondylolysis/spondylolisthesis - a retrospective cross-sectional study of clinical, functional andradiological outcomes
Dilip Chand Raja Soundararajan (India)

PS-FP-5-19

Spinal deformities in patients with rare anterior chest wall anomalies
Ahmed Majid Heydar (Turkey)

PS-FP-5-20

Change of hip and knee joint after surgery for adult spinal deformity and correlation between
those and full body sagittal parameters
Joonghyun Ahn (Korea)

PS-FP-5-21

Comparison of 5-year surgical results between ASF and PSF in type 5 AIS. Stratification with levelof upper and lower end vertebra
Kota Watanabe (Japan)

PS-FP-5-22

Does selective posterior correction and fusion surgery influence cervical sagittal alignment inpatient with Lenke type 5 adolescent idiopathic scoliosis?
Toshiki Okubo (Japan)

35

PS-FP-5-23

Increased upper thoracic curve vertebral rotation is associated with shoulder imbalance after
ppsterior spinal fusion for adolescent idiopathic scoliosis
Masayoshi Machida (Japan)

PS-FP-5-24

The criteria of severe dynamic sagittal imbalance in adult spinal deformity
Hyun Gon Gwak (Korea)

PS-FP-5-25

Do different UIV anchors impact the incidence of PJK in adult spinal deformity surgery ?
Ryosuke Yanai (Japan)

PS-FP-5-26

Short-segmental spinal fusion for chronic low back pain with bone marrow edema adjacent to thevertebral endplate
Toshio Nakamae (Japan)

PS-FP-5-27

Anterior instrumentation surgery for the treatment of Lenke 1 AR curve patterns
Satoshi Inami (Japan)

PS-FP-5-28

Evaluation of posterior spinal fusion for adolecent idiopathic scoliosis Lenke type 5 using EOS
radiograpgy
Bin Xiao (China)

PS-FP-5-29

Can anatomic reduction with monosegmental fusion in high-grade L5 spondylolisthesis restore
global spinopelvic alignment?
Hiroshi Moridaira (Japan)

PS-FP-5-30

Psychological stress in AIS patients under brace treatment by using exprolatory factor analysis
Tomoyuki Asada (Japan)

PS-FP-5-31

Fat infiltration in back muscles and gluteus maximus muscle is significantly related to deteriorationof spino-pelvic sagittal balance during gait
Kousei Miura (Japan)

PS-FP-5-32

Single level posterior lumbar interbody fusion can improve global sagittal alignment in a patientwith severe dysplastic spondylolisthesis
Kazuki Takeda (Japan)

PS-FP-5-33

Patients’ and parents’ preferences, concerns and expectations in adolescent idiopathic scoliosis: acomparison study among patients and parents prior to posterior spinal fusion
Siti Mariam Abd Gani (Malaysia)

PS-FP-5-34

Severe (Cobb angle ≥ 90°) versus non-severe (Cobb angle ≥ 90°) Lenke 1 and 2 AIS: is there adifference in perioperative outcome and operative cost?
Yu Jie Lee (Malaysia)

PS-FP-5-35

Which frailty scales for patients with adult spinal deformity are feasible and adequate? A
systematic review
Kazuya Kitamura (Japan)

PS-FP-5-36

Does a dedicated spine deformity team improve the efficiency and perioperative outcome inadolescent idiopathic scoliosis surgery?
Hiroki Ushirozako (Japan)

PS-FP-5-37

Perioperative outcomes of 107 adolescent idiopathic scoliosis (AIS) patients with Lenke 5 subtypes(flexible vs. stiff ) and Lenke 6 curves in single-staged posterior spinal fusion
Sin Ying Lee (Malaysia)

PS-FP-5-38

Comparison of radiographic outcomes between traditional growing rod and Shilla graduates by asingle surgeon
Teppei Suzuki (Japan)

PS-FP-5-39

Perioperative outcomes of Lenke 1C and 2C adolescent idiopathic scoliosis (AIS) patients
undergoing posterior spinal fusion: comparison between selective thoracic fusion and nonselective thoracic fusion
Wee Jieh Wang (Malaysia)

36

PS-FP-5-40

Perioperative outcome of AIS patients treated with single-staged posterior spinal fusion using
pedicle-screw construct: a review of a large series from a single tertiary centre
Kwong Weng Loh (Malaysia)

PS-FP-5-41

Perioperative outcome in posterior spinal fusion among adolescent idiopathic scoliosis (AIS)
patients: is there any difference between Lenke 1 subtypes and Lenke 2 curves?
Josephine Rebecca Chandren (Malaysia)

PS-FP-5-42

Surgical outcome of spinal fusion for osteogenesis imperfecta with scoliosis
Masaaki Ito (Japan)

PS-FP-5-43

How do we prevent postoperative shoulder imbalance in severe adolescent idiopathic scoliosis
patients with Lenke 1 and 2 curves (Cobb angle ≥90º)?
Weng Hong Chung (Malaysia)

PS-FP-5-44

Development of a prediction model for postoperative lumbar Cobb angle following selective
thoracic fusion in patients with adolescent idiopathic scoliosis
I-Hsin Chen (Taiwan)

PS-FP-5-45

Does osteoporosis affect the postoperative course of adult spinal deformity surgery?
Kenta Kurosu (Japan)

PS-FP-5-46

Does scoliosis corrective surgery improve the breast morphometry in adolescent idiopathic
scoliosis (AIS) patients with structural thoracic curve? A computed tomography (CT) analysis
Siti Mariam Mohamad (Malaysia)

PS-FP-5-47

Predicting the natural course of hemivertebra in early childhood: clinical significance ofanteroposterior discordance based on 3D analysis
Sam Yeol Chang (Korea)

PS-FP-5-48

Does single-stage posterior multiple-level asymmetrical ponte osteotomy safe and effective forpresumed severe adolescent idiopathic scoliosis associated with intraspinal abnormalities? Aminimum 3-year follow-up study
Jingwei Liu (China)

PS-FP-5-49

The safety and efcacy of one-stage posterior surgery in the treatment of presumed adolescentidiopathic scoliosis associated with intraspinal abnormalities a minimum 3-year follow-up
comparative study
Jingwei Liu (China)

PS-FP-5-50

Impact factors for spontaneous thoracic curve correction after posterior selective fusion ofthoracolumbar/lumbar curve in Lenke 5C type adolescent idiopathic scoliosis
Yiqi Zhang (China)

PS-FP-5-51

Which is more predictive value for mechanical complications: fixed thoracolumbar alignment vs.
dynamic global balance parameter
Kwang-Ryeol Kim (Korea)

PS-FP-5-52

Mid-term HRQOL and its related factors following ASD surgery -a minimum 5-year follow-up caseseriesMasayoshi Iwamae (Japan)

PS-FP-5-53

Predicting the progression of thoracolumbar kyphosis in achondroplasia patients after walking
age: generalized estimating equation (GEE) analysis
Su Jung Mok (Korea)

PS-FP-5-54

OLIF combined with anterior screws fixation for surgical treatment of lumbar degenerative
scoliosis
Yutong Gu (China)

PS-FP-5-55

Propensity score-matched analysis to assess the risk factor of postoperative proximal junctional
fracture in adult spinal deformity surgery
Junya Katayanagi (Japan)

37

PS-FP-5-56

Clinical outcomes of extensive corrective fusion surgery from thoracic spine to pelvis for adultspinal deformity at 5 years postoperatively
Hideyuki Arima (Japan)

PS-FP-5-57

Investigation of in-vivo three-dimensional changes of the spinal canal after corrective surgeries of
the idiopathic scoliosis
Chaofan Han (China)

PS-FP-5-58

Distal junctional kyphosis after selective thoracic fusion for adolescent idiopathic scoliosis exploring detailed features of the sagittal stable vertebra concept
Po Yao Wang (Taiwan)

PS-FP-5-59

Upper end vertebra of proximal thoracic curve at T1 is a novel risk factor of postoperative shoulder
imbalance in type 2 adolescent idiopathic scoliosis
Norihiro Isogai (Japan)

PS-FP-5-60

A novel intraoperative spino-pelvic parameter “Thoracic 10 Pelvic angle” can predict proximal
junctional kyphosis after adult spinal deformity surgery
Norihiro Isogai (Japan)

PS-FP-5-61

Surgical outcomes of scoliosis correction associated with syringomyelia
Osahiko Tsuji (Japan)

PS-FP-5-62

Differences in natural walking for elderlies by the degree of the low back pain - gait analysis withKINECTYuh Watanabe (Japan)

PS-FP-5-63

Clinical relationships between spinopelvic parameters and lumbar disc degeneration in different
disc regions
Kazuhiro Inomata (Japan)

PS-FP-5-64

Three-rod correction technique for severe neuromuscular scoliosis
Toru Yamaguchi (Japan)

PS-FP-5-65

Can we predict postoperative distal adding-on with intraoperative radiographs in Lenke type 1Band 1C curves?
Takeshi Fujii (Japan)

PS-FP-5-66

Influence of pelvic obliquity on postoperative coronal radiographic parameters in patients with
Lenke type5 adolescent idiopathic scoliosis at minimum 5 years follow up
Takahito Iga (Japan)

PS-FP-5-67

Can bone improvement after 2-year Calcium+Vitamin-D supplementation be maintained in
idiopathic scoliosis after 4-year of treatment discontinuation – a prospective randomized doubleblinded placebo-controlled trial
Tsz Ping Lam (China)

PS-FP-5-68

Changes in muscle activity of trunk and lower limbs in adult spinal deformity during gait
Hiromichi Aoki (Japan)

PS-FP-5-69

Usefulness of fulcrum bending radiographs to evaluate flexibility and predict curve correction for
Lenke type 2 adolescent idiopathic scoliosis
Kei Watanabe (Japan)

PS-FP-5-70

Effect of 2mm versus 6mm of magnetically controlled growing rod lengthening on spine offloading
Douglas Christopher Wong (Hong Kong)

PS-FP-5-71

Clinical and radiological factors associated with postoperative shoulder imbalance and correlation
with patient-reported outcomes following scoliosis surgery
Pramod Dashrath Bhilare (India)

PS-FP-5-72

The impact of growing rod surgery for early onset scoliosis on the cervical spine sagittal alignment
Shuhei Ito (Japan)

PS-FP-5-73

Scoliosis in osteogenesis imperfecta – quality of life and surgical impact
Janus S.H. Wong (Hong Kong)

38

PS-FP-5-74

Machine learning for predicting mechanical complication after adult spinal deformity surgery
Sung Hyun Noh (Korea)

PS-FP-5-75

Defining spino-pelvic alignment in adult population over 60 years old: prospective analysis of 214
volunteers
Sung Hyun Noh (Korea)

PS-FP-5-76

Which domain or factors of 36-item Short Form Health survey (SF-36) impact on patientsatisfaction after adult spinal deformity correction surgery?
HyunJun Jang (Korea)

PS-FP-5-77

Clinical, radiological and functional outcome of posterior-only three-column osteotomy in healed,
post-tubercular kyphotic deformity: a minimum of 2 years follow-up
Rudra Narayan (India)

PS-FP-5-78

Clinical, radiological and functional outcome of posterior-only three-column osteotomy incongenital kyphosis: a minimum of 2 years follow up
Tungish Bansal (India)

PS-FP-5-79

Predictors of operative duration in posterior spinal fusion for adolescent idiopathic scoliosis: aretrospective cohort study
Nishank Mehta (India)

PS-FP-5-80

Preoperative distraction of severe caries kyphotic spine deformities with modified halo-pelvic
distraction assemblyAmer Aziz (Pakistan)

PS-FP-5-81

A novel optimized finite element model of Lenke 1 adolescent idiopathic scoliosis based on actualvivo dynamic flexibility
Changwei Yang (China)

PS-FP-5-82

Which HRQoL assessment tool, PROMIS, SRS-22r or ODI, is more sensitive in assessing outcomes ofprimary versus revision adult spinal deformity surgery?
Tsung-Cheng Yin (Taiwan)

PS-FP-5-83

Experiences of early air travel with pneumothorax after anterior spinal surgery: a report of threecases
Amy Yoke Foong Wong (Malaysia)

PS-FP-5-84

Radiological assessment of pre- and postoperative shoulder balance following posterior spinal
fusion for Lenke 2 adolescent idiopathic scoliosis
Takashi Namikawa (Japan)

PS-FP-5-85

Surgical outcomes in syndromic scoliosis with neurofibromatosis
Tatsuo Kato (Japan)

PS-FP-5-86

Risk factors for lateral translation in adult idiopathic adolescent scoliosis with thoracolumbar/
lumbar curves
Toshiaki Kotani (Japan)

PS-FP-5-87

Predictive factors for nighttime bracing treatment outcome in adolescent idiopathic scoliosis
Naoya Taki (Japan)

PS-FP-5-88

Correction of apical vertical translation may prevent unfused lumbar intervertebral discdegeneration after posterior spinal fusion for adolescent idiopathic scoliosis
Satoshi Suzuki (Japan)

PS-FP-5-89

Predictors for total blood loss during posterior spinal fusion surgery for idiopathic scoliosis
Eiki Shirasawa (Japan)

PS-FP-5-90

Static and dynamic sagittal lumbar apex: a new concept for the assessment of lumbar lordosis
distribution in spinal deformity
Chizuo Iwai (Japan)

PS-FP-5-91

Analgesic and opioid medication profile of european adult spinal deformity patients: minimum 5
years follow-up study
Caglar Yilgor (Turkey)

39

PS-FP-5-92

Relationship between adult spinal deformity surgery and employment, sick leaves, return to workand early retirement: minimum 5 years follow-up study
Caglar Yilgor (Turkey)

PS-FP-5-93

Complications and analysis of risk factors of spinal surgery in ankylosing spondylitis(AS): single
center case series of 50 patients.
Kushal Ramesh Gohil (India)

PS-FP-5-94

Impact of endplate injury during corrective surgery using oblique lumbar interbody fusion in adultspinal deformity
Gen Inoue (Japan)

PS-FP-5-95

Single stage posterior surgical treatment for grade v spondylolisthesis of L5 in a patient withneurofibromatosis type 1 and dural meningocele. case report
Canhua Ye (China)

PS-FP-5-96

Handgrip strength potentially predicts curve progression in adolescent idiopathic scoliosis (AIS)
girls
Rufina Wing Lum Lau (Hong Kong)

PS-FP-5-97

Outcome of posterior vertebral column resection in neglected rigid congenital scoliosis andkyphoscoliosis: our experience and review of literature
Arif Mohammad (Pakistan)

PS-FP-5-98

Clinical and radiological outcomes in the patients of parkinsons disease undergoing instrumented
lumbar spine surgery for spinal disorders
Ashish Gupta (India)

PS-FP-5-99

Evaluating biomechanics of the novel active apex correction technique using a patient-specificfinite element approach with 6-month follow-up
Daksh Jayaswal (USA)PS-FP-5-100 Usefulness of percutaneous pedicle screws for minimizing the risk of proximal junctional kyphosis
after adult spinal deformity correction surgery
Tomohisa Harada (Japan)

PS-FP-5-101 The impact of growing rod surgery on cervical alignment during the treatment of early-onset
scoliosis: a case-control study based on machine learning algorithms
Bo Han (China)

PS-FP-5-102 Comparison of spinopelvic parameters, complications, and clinical outcomes after spinal fusion to
S1 with or without additional sacropelvic fixation for adult spinal deformity
Bo Han (China)

PS-FP-5-103 Optimal position to insert the SAI screw with the analysis of CT view and the torque of inserting it
Fumihiro Miyaguchi (Japan)

PS-FP-5-104 Fusion mass shift correlates to distal adding-on rate in adolescent idiopathic scoliosis
Guodong Wang (China)

PS-FP-5-105 The value of three-dimensional printing spine model in severe spine deformity correction surgery
Hongtao Ding (China)

PS-FP-5-106 Is it really less invasive? -Systemic effects of anterior-posterior lumbar surgery with OLIF by
Nutrition Support Team(NST) perspectiveMomo Irie (Japan)

PS-FP-5-107 Predictability of one-year curve progression in adolescent idiopathic scoliosis based on the distal
radius and ulna classification
Yusuke Yamamoto (Japan)

PS-FP-5-108 Distribution of spinal sagittal alignment based on hierarchical clustering
Yusuke Hori (Japan)

PS-FP-5-109 The analysis of progression of the pfirrmann's grade in distal unfused segments in post-operativeadolescent idiopathic scoliosis- a longterm follow-up MRI based study
Guna K. Pratheep (India)

40

PS-FP-5-110 Characteristics of pedicle screw misplacement using freehand technique in degenerative scoliosis
surgery
Tomohiro Yamada (Japan)

PS-FP-5-111 Extra-short segment lateral interbody fusion for adult spinal deformity
Kei Miyamoto (Japan)

PS-FP-5-112 Coronal balance of severe scoliosis: a novel gravity balance classification
Aixing Pan (China)

PS-FP-5-113 Increased C7 tilt is associated with higher risk of shoulder imbalance in adolescent idiopathic
scoliosis patients receiving posterior spinal fusion
Juiyo Hsu (Taiwan)

PS-FP-5-114 The vertebral rotation caudal to major thoracic curve as a supplementary determinant to Lenke
type 1&2a adolescent idiopathic scoliosis (AIS)
Yuan-Fuu Lee (Taiwan)

Free Paper: Spine Tumor
PS-FP-6-1(5 min Presentation)

Computed tomography based intraoperative navigation for spine tumors; perspectives in surgicalmarginYoung-Hoon Kim (Korea)

PS-FP-6-2

Spinal extra-osseous chordoma mimicking as herniated intervertebral disc in the lumbar spine
Kang Kai Lim (Malaysia)

PS-FP-6-3

Imaging characteristics and surgical outcomes in patients with intraspinal solitary fibrous tumor/
hemangiopericytoma: a retrospective cohort study
Toshiki Okubo (Japan)

PS-FP-6-4

Perioperative complications of total en bloc spondylectomy (TES) for spinal tumors
Satoru Demura (Japan)

PS-FP-6-5

Clinical outcomes and prognostic factors following surgical resection of spinal metastases fromrenal cell carcinoma
Satoshi Kato (Japan)

PS-FP-6-6

Long-term outcomes of spinal meningioma resection with outer layer of dura preservation
techniqueHirokazu Saiwai (Japan)

PS-FP-6-7

Prognostic factors for short-term versus long-term readmission-free survival after metastatic spine
tumor surgery
Naresh Kumar (Singapore)

PS-FP-6-8

Clinical results of carbon-ion radiotherapy with separation surgery for primary spine/paraspinal
sarcoma
Yoshihiro Matsumoto (Japan)

PS-FP-6-9

Comparison of skeletal oncology research group classical algorithm and machine learningalgorithms for survival estimation in spinal metastasis: a meta-analysis of the literatures
Hung-Kuan Yen (Taiwan)

PS-FP-6-10

The surgical strategies for dumbbell-shaped tumors of the upper cervical spine
Hao Zhang (China)

PS-FP-6-11

Surgical outcomes of spinal cord tumor in elderly patients using JOACMEQ
Shuhei Ito (Japan)

PS-FP-6-12

A method for predicting the location of dural attachment of spinal meningioma: tumor attachment
angle
Kazu Kobayakawa (Japan)

PS-FP-6-13

Usefulness of artificial cerebrospinal fluid replacement in intradural surgical procedure
Muneaki Masuda (Japan)

41

PS-FP-6-14

The radiographic characters and surgical outcomes of spinal meningioma who grade1
Tomohiko Hasegawa (Japan)

PS-FP-6-15

Impact on survival time and factors of restoring ambulation by surgical intervention in metastatic
spinal tumor
Akira Iwata (Japan)

PS-FP-6-16

The utility of minimal access and seperation surgery in the management of metastatic spinediseaseJiong Hao Tan (Singapore)

PS-FP-6-17

International external validation of the sorg machine learning algorithms for predicting 90-day
and 1-year survival of patients with spine metastases using a Taiwanese cohort
Jiun-Jen Yang (Taiwan)

PS-FP-6-18

Do aggressive vertebral hemangiomas warrant aggressive surgery? Inferences from a retrospective
surgical cohort of 23 patients
Guna K. Pratheep (India)

Free Paper: Spine Infection
PS-FP-7-1(5 min Presentation)

Predicting neurological deficit in patients with spinal tuberculosis – a single center retprospective
cae-control study
Samarth Mittal (India)

PS-FP-7-2

Micro-organisms and outcome of spinal infections – a report of 48 cases
Quang Minh Luong (Viet Nam)

PS-FP-7-3

Efficacy of the all posterior surgical approach for thoracolumbar spinal tuberculosis with kyphosis
in paediatric patients: a prospective study
Ghanshyam Kakadiya (India)

PS-FP-7-4

Effectiveness of betadine wound irrigation and intrawound vancomycin powder to reduce surgicalsite infection in posterior lumbar spine surgery
Ghanshyam Kakadiya (India)

PS-FP-7-5

Efficacy of posterior approach surgery for thoracic spine tuberculosis in neurological deficit
patients
Ghanshyam Kakadiya (India)

PS-FP-7-6

A validated score for evaluating spinal instability to assess surgical candidacy in active spinal
tuberculosis - an evidence-based approach and multinational expert consensus study
Dilip Chand Raja Soundararajan (India)

PS-FP-7-7

Clinical, radiological and microbial profile of pyogenic spondylodiscitis — single center data
analysis of 48 patients
Dheeraj Manikanta Maddali (India)

PS-FP-7-8

Treatment results of percutaneous posterior lumbar pelvic fusion for lower lumbar purulent /tuberculous discitis
Yuji Kasukawa (Japan)

PS-FP-7-9

Trends in infectious spondylitis from 2000 to 2020
Shinji Tanishima (Japan)

PS-FP-7-10

Status and trends of causative bacteria of surgical site infection in spinal surgery- a study on 6411
casesTakahito Iga (Japan)

PS-FP-7-11

Gene Xpert/MTB RIF Assay for spinal tuberculosis
Siddharth Aiyer (India)

PS-FP-7-12

Does forced-air warming increase surgical site infections in spine surgery? A propensity scorematched analysis
Kyoichi Handa (Japan)

42

PS-FP-7-13"Spine Surgery Checklist" a step towards perfection through protocols
Jwalant Y Patel (India)

PS-FP-7-14

Analysis of clinical features regarding concomitant spinal and non-spinal osteoarticular infections
Ryunosuke Fukushi (Japan)

PS-FP-7-15

Consecutive occurrence of septic arthritis and pyogenic spondylitis in two patients
Ryunosuke Fukushi (Japan)

PS-FP-7-16

A case of glossopharyngeal and hypoglossal nerve paralysis secondary to pyogenic cervical facet
joint arthritis
Ryunosuke Fukushi (Japan)

PS-FP-7-17

Clinical significance of comprehensive medicine for the treatment of pyogenic spondylitis in theelderly
Hidekazu Yoshizaki (Japan)

PS-FP-7-18

Withdrawn

PS-FP-7-19

Tuberculous osteomyelitis of the ischium- a case report and review of literature
Chandhan Murugan (India)

PS-FP-7-20

Combined anteroposterior debridement and decompression for the treatment of infective
spondylitis through single stage posterior approach
Abdul Satar (Pakistan)

PS-FP-7-21

Characterization of biofilms in explanted pedicle screws retrieved from aseptic pseudarthrosis
cases
Daksh Jayaswal (USA)PS-FP-7-22

How does the absence or presence of pedicle screw guard effect bacterial contamination at thescrew-bone interface during spinal fusion; a multicenter study
Daksh Jayaswal (USA)PS-FP-7-23

Poor nutritonal status and chronic kidney disease might be risk factors in elderly patients withpyogenic spondylitis
Erina Yamada (Japan)

PS-FP-7-24

Evaluating reprocessed pedicle screws: characterization of contaminants and efficiency of theprocess
Daksh Jayaswal (USA)PS-FP-7-25

The effect of spinopelvic parameters on anterior bone graft subsidence in surgical treatment ofpyogenic lumbar spondylodiscitis
Meng-Huang Wu (Taiwan)

PS-FP-7-26

All-posterior approach in surgical management of thoracolumbar tuberculosis; a prospective
randomised study comparing posterior-only stabilisation versus global reconstruction
Rohit Akshay Kavishwar (India)

PS-FP-7-27

Development of Tuberculosis Spine Instability Score (TSIS): an evidence-based and expert
consensus-based content validation study among spine surgeons
Kaustubh Ahuja (India)

Free Paper: Ligamentous Ossification
PS-FP-8-1(5 min Presentation)

The characteristics of the young patients with cervical ossification of the posterior longitudinal
ligament of the spine: a multicenter cross-sectional study
Kanji Mori (Japan)

PS-FP-8-2

Reduction and fusion of thoracic ossification of the posterior longitudinal ligament after posterior
decompression with instrumented fixation by pedicle screw insertion into all ossified vertebrae
Osamu Kawano (Japan)

43

PS-FP-8-3

Does diabetes affect the surgical outcomes in caseswith cervical ossification of the posterior
longitudinal ligament? a multicenter study from Asia Pacific Spine Study Group
Narihito Nagoshi (Japan)

PS-FP-8-4

Investigation and validation of deep learning algorithms to identify cervical ossification ofposterior longitudinal ligaments on radiography
Koji Tamai (Japan)

PS-FP-8-5

Comparison of decompression alone and decompression plus fusion for thoracic myelopathy due
to ossification of the ligamentum flavum
Yuichi Ono (Japan)

PS-FP-8-6

Use of residual neural network for the detection of ossification of the posterior longitudinal
ligament on plain cervical radiography
Kazuma Murata (Japan)

PS-FP-8-7

Factors having significant relationship with postoperative neck pain deterioration for cervicalossification of the posterior longitudinal ligament: prospective registry study
Masao Koda (Japan)

PS-FP-8-8

Characteristics of ossification of the ligamentum flavum of the thoracic spine
Masatoshi Morimoto (Japan)

PS-FP-8-9

Anterior decompression through a posterior approach for thoracic OPLL: a novel concept inanterior decompression and the preliminary outcomes
Haruo Kanno (Japan)

Free Paper: Upper Cervical Disorder
PS-FP-9-1(5 min Presentation)

A case of compressive cervical myelopathy by persistent first intersegmental artery: five years
outcome after surgery
Takuro Endo (Japan)

PS-FP-9-2

Successful closed reduction of atlantoaxial rotatory fixation in children —a retrospective study of
30 patients
Zhiqiang Zhang (China)

PS-FP-9-3

Posterior spinal fusion with pedicle screws for atlantoaxial instability in children
Kohei Kuroshima (Japan)

PS-FP-9-4

Biologic agents preserve the C-2 pedicle in patients with rheumatoid arthritis: a comparative
imaging study using three-dimensional computed tomography
Takuya Obo (Japan)

PS-FP-9-5

Non-traumatic atlantoaxial rotatory fixation in an adult patient treated by a closed reduction
under general anesthesia in chronic phase
Norihiro Isogai (Japan)

Free Paper: Minimal Invasive Spine Surgery
PS-FP-10-1(5 min Presentation)

The ipsilateral epiphyseal and central endplate hounsfield units accurately predicts intraoperative
endplate violation and delayed cage subsidence with oblique lateral interbody fusion
Jason Pui Yin Cheung (Hong Kong)

PS-FP-10-2

Arthroscope assisted transpedicular approach for spinal cord decompression
Ghanshyam Kakadiya (India)

PS-FP-10-3

A new full endoscopy system and intradiscal irrigator combined with a novel annular repair device
for the treatment of lumbar disc herniation
En Song (China)

PS-FP-10-4

A novel annular repair technique combined with platelet-rich plasma intradiscal injection：a newserial therapeutic model for the treatment of lumbar disc herniation
En Song (China)

44

PS-FP-10-5

Overcorrection of fractured vertebrae increases the incidence of adjacent fractures after balloon
kyphoplasty: a retrospective study
Keiichiro Iida (Japan)

PS-FP-10-6

Pros and cons of full endoscopic surgery for cervical radiculopathy
Kuniyoshi Tsuchiya (Japan)

PS-FP-10-7

Functional outcomes of loupe assisted discectomy in patients with lumber disc herniation
Shehar Yar Abid (Pakistan)

PS-FP-10-8

Indirect neural decompression by transforaminal lumbar interbody fusion using minimallyinvasive spine surgery for lumbar degenerative spondylolisthesis: comparison with lateral lumbarinterbody fusion
Ichiro Torigoe (Japan)

PS-FP-10-9Transforaminal full-endoscopic discectomy for the patients with down-migrated lumbar discherniation under local anesthesia
Fumitake Tezuka (Japan)

PS-FP-10-10 Transforaminal full-endoscopic ventral facetectomy: mid-term results and factors associated withfair/poor outcome
Kazuya Kishima (Japan)

PS-FP-10-11 Unintentional facet fusion without bone grafting after minimally invasive lumbar interbody fusion:a retrospective study of percutaneous endoscopic transforaminal lumbar interbody fusion
Katsuhisa Yamada (Japan)

PS-FP-10-12 The advantages of revisional transforaminal full-endoscopic spine surgery for patients underwent
posterior spine surgery
Kiyoshi Yagi (Japan)

PS-FP-10-13 Risk assessment of abdominal and retroperitoneal organ injuries performing transforaminal fullendoscopic spine surgery
Kiyoshi Yagi (Japan)

PS-FP-10-14 Is bipolar release of sternocleidomastoid muscle necessary for neglected congenital muscular
torticollis?
Haruki Funao (Japan)

PS-FP-10-15 Usefulness and problems of the double endplates penetrating screw (DEPS) technique for patientswith diffuse idiopathic skeletal hyperostosis
Takumi Takeuchi (Japan)

PS-FP-10-16 Clinical outcomes of minimally invasive posterior decompression for lumbar spinal stenosis withdegenerative spondylolisthesis
Yuto Kobayashi (Japan)

PS-FP-10-17 Comparison of interlaminar and transforaminal approaches for treatment of L5/S1 disc herniation
by percutaneous endoscopic discectomy
Aiguo Gao (China)

PS-FP-10-18 Percutaneous Transforaminal Endoscopic Surgery (PTES) and OLIF with self-lock cage for surgicaltreatment of L5 spondylolisthesis
Yutong Gu (China)

PS-FP-10-19 Prospective comparative study of outcome of dural tear in open vs minimally invasive spine
surgery in patients with degenerative lumbar pathologies
Ayush Sharma (India)

PS-FP-10-20 Full endoscopic posterior cervical foraminotomy under lateral decubitus position with local
anesthesia
Do Hyeong Lim (USA)PS-FP-10-21 Three-year clinical outcomes after minimally invasive sacroiliac joint arthrodesis using triangularimplants in Japan: a pilot study of five cases
Daisuke Kurosawa (Japan)

45

PS-FP-10-22 Functional outcome of endoscopic interlaminar lumbar discectomy
Ihsan Ullah (Pakistan)

PS-FP-10-23 Comparision of applied anatomy at L4-L5 and L5-S1 in context of tubular decompression for
lumbar canal stenosis
Sanjeev Asati (India)

PS-FP-10-24 Does prophylactic use of topical gelatin-thrombin matrix sealant affect postoperative drainage
volume and hematoma formation after microendoscopic spine surgery?: a randomized controlled
trial
Masanari Takami (Japan)

PS-FP-10-25 Withdrawn
PS-FP-10-26 Comparison between clinical outcomes of simultaneous parallel anterior and posterior combined
lumbar spine surgery using intraoperative 3D fluoroscopy-based navigation (SPAPS) and MI-PLIF/
TLIF
Tomohiko Hirose (Japan)

PS-FP-10-27 Evaluation of cement leakage using computed tomography after balloon kyphoplasty -comparison
between patients underwent within 4weeks and patients underwent after 4weeks –Hiroyuki Yasuda (Japan)

PS-FP-10-28 Decompression procedure using unilateral biportal endoscopy (UBE) for thoracic myelopathy
caused by ossification of the ligamentum flavum : a technical note and preliminary clinical results
Seung-Hyun Choi (Korea)

PS-FP-10-29 Treatment results of minimally invasive lateral lumbar disc herniated disk in our department
Yoshikazu Yanagisawa (Japan)

PS-FP-10-30 Withdrawn
PS-FP-10-31 Effectiveness of foraminoplasty in transforaminal full-endoscopic discectomy for L5-S1 discherniation under local anesthesia
Takashi Inokuchi (Japan)

PS-FP-10-32 Examination of radiation exposure in lateral lumbar fusion surgery using intraoperative CT
navigation
Satoshi Nomura (Japan)

PS-FP-10-33 The efficacy of epiduroscopic adhesiolysis on failed back surgery syndrome
Osman Yağız Atlı (Turkey)

PS-FP-10-34 Retrospective study of clinical and radiological outcomes of MIS TLIF for high-gradespondylolisthesis: series of 24 patients with 2 year follow up
Rajendra Sakhrekar (India)

Free Paper: Robotic and Computer Assisted Spine Surgery
PS-FP-11-1(5 min Presentation)

Comparative study for navigated drill and navigated probe for cervical pedicle screw insertion
Tomoyuki Takigawa (Japan)

PS-FP-11-2

Accuracy of pedicle screw placement in early onset scoliosis using intraoperative CT and imageguided navigation
Takuya Iimura (Japan)

PS-FP-11-3

C-arm free lumbar interbody fusion
Keisuke Nakano (Japan)

PS-FP-11-4

Robot-assisted minimally invasive transforaminal lumbar interbody fusion in the treatment oflumbar spondylolisthesis
Guanyu Cui (China)

46

PS-FP-11-5

Withdrawn

PS-FP-11-6

Comparison between machine-vision image guided surgery system and robotic guidance systemfor paediatric idiopathic scoliosis spine surgery
Kevin Lim (Singapore)

PS-FP-11-7

Safety of pin insertion position for iliac reference guide in spinal navigation
Hiroaki Murakami (Japan)

PS-FP-11-8

O arm navigation assisted MIS TLIF for degenerative lumbar disease-study of 83 patients
Rajendra Sakhrekar (India)

Free Paper: Spine Non-fusion Technology
PS-FP-12-1(5 min Presentation)

Effectiveness of nitinol in motion-preserving stabilization of lumbar spine
Arkadii Kazmin (Russian Federation)

PS-FP-12-2

Is there a place for surgical repair in adults with spondylolysis or grade I spondylolisthesis? – asystematic review and treatment algorithm
Naresh Kumar (Singapore)

PS-FP-12-3

A new surgical strategy for type1 Modic change using transforaminal full-endoscopic disc cleaning(FEDC) surgery
Kazuya Kishima (Japan)

PS-FP-12-4

Efficacy of anterior vertebral body tethering in skeletally mature children with adolescentidiopathic scoliosis: a preliminary report
Keyur Kantilal Akbari (India)

PS-FP-12-5

Fatigue wear test and biological response of a posterior dynamic stabilization system of spine
using polyethylene with vitamin E
Koji Matsumoto (Japan)

PS-FP-12-6

Does vertebral body tethering cause disc and facet joint degeneration? an MRI study withminimum 2-years follow-up
Caglar Yilgor (Turkey)

PS-FP-12-7

Is thoracoscopic VBT a pulmonary function declining or improving surgery?
Caglar Yilgor (Turkey)

PS-FP-12-8

2 to 5-years follow-up results after thoracoscopic VBT: a single surgeon’s experience
Caglar Yilgor (Turkey)

PS-FP-12-9

Clinical and radiographic outcome at 7 years of follow-up after cervical total disc replacement
Kushal Ramesh Gohil (India)

Free Paper: Basic Research of Spine Surgery
PS-FP-13-1(5 min Presentation)

Fully-automated deep learning prediction of spinal deformity alignment irrespective of image
quality obtained via smartphone photographs
Jason Pui Yin Cheung (Hong Kong)

PS-FP-13-2

Diabetes mellitus a risk factor for the development of the lumbar canal stenosis
Ghanshyam Kakadiya (India)

PS-FP-13-3

Evaluation of the basal metabolism of degenerative lumbar intervertebral discs based on pfirmann
grade and presence of instability
Chaiyapruk Pundee (Thailand)

PS-FP-13-4

Basal and cytokine-stimulated biomarker production by degenerative lumbar discs frommicrodiscectomy versus interbody fusion patients
Chaiyapruk Pundee (Thailand)

PS-FP-13-5

Ubiquitin mediated proteasome degradation leading to glutamic acid accumulation could be thecause for poor clinical outcomes in patients with modic changes
Dilip Chand Raja Soundararajan (India)

47

PS-FP-13-6

Histopathological and cytogenetic analysis of lumbar epidural lipomatosis
Taketoshi Yasuda (Japan)

PS-FP-13-7

Prolonged use of narcotics after spine surgery: a requirement or a privilege
Muhammad Tahir Karim (Pakistan)

PS-FP-13-8

Posterior rod strain in a long spinal fusion to the pelvis: an in -vitro experimental study usingsynthetic lumbopelvic bone models
Shunji Tsutsui (Japan)

PS-FP-13-9

The possible involvement of the oxidized LDL/LOX-1 system in ligamentum flavum hypertrophy inthe patients with lumbar spinal canal stenosis
Sota Nagai (Japan)

PS-FP-13-10 Time course of changes in reactive oxygen metabolites (ROM) as a serum oxidative stress marker
to predict outcomes for surgical treatment of cervical compression myelopathy
Hiroshi Takahashi (Japan)

PS-FP-13-11 The longitudinal impact of intervertebral disc distraction on disc health -a preliminary, in vivo
study using magnetic resonance imaging in a rabbit model
Wing Moon Raymond Lam (Singapore)

PS-FP-13-12 Laser resonance frequency analysis of pedicle screw stability: a cadaveric model bone study
Daisuke Nakashima (Japan)

PS-FP-13-13 Comparison between revision rod system and conventional method for the revision extension offusion surgery in thoracolumbar spine: matched cohort study
Yung-Hun Youn (Korea)

PS-FP-13-14 Do academic pediatric orthopaedists who treat spine receive increased industry funding?
Alice Chu (USA)PS-FP-13-15 The efficacy of C5a receptor antagonist for human iPSC-derived neural stem/progenitor celltransplantation in the injured spinal cord of mice
Reo Shibata (Japan)

PS-FP-13-16 Cytokine changes cultured cells harvested from cervical spine of patients with ossification of theposterior longitudinal ligament
Hideki Saito (Japan)

PS-FP-13-17 Automatic recognition of whole spine sagittal alignment and curvature analysis through a deeplearning technique
Yu-Jui Huang (Taiwan)

PS-FP-13-18 U-NET based spondylolisthesis recognition for lumbar X-ray images
Giam Minh Trinh (Taiwan)

PS-FP-13-19 Prognosis of iatrogenic spinal cord injury at a major rehabilitation centre in United Kingdom
Aashish Babanrao Ghodke (United Kingdom)

PS-FP-13-20 Opioid free analgesia in posterior lumbar fusion surgery to enhance recovery
Aashish Babanrao Ghodke (United Kingdom)

PS-FP-13-21 Increased expression of bone morphogenetic protein 2 in intervertebral discs with vertebral
endplate defects
Uruj Zehra (Pakistan)

PS-FP-13-22 In vivo biomechanical response characteristic curve in Lenke type Ⅰ adolescent idiopathic
scoliosis
Changwei Yang (China)

PS-FP-13-23 Accelerated recovery protocol following posterior spinal fusion for adolescent idiopathic scoliosis(AIS) leading to early hospital discharge
Teddy Suratos Fabila (Singapore)

PS-FP-13-24 How much experience is required to acquire the skills for spinal surgery? Results of a survey ofspine surgeons
Ryunosuke Fukushi (Japan)48

PS-FP-13-25 Novel in vivo imaging system of grafted human ips cell-derived neuron activity after spinal cord
injuryKentaro Ago (Japan)

PS-FP-13-26 Paraspinal myopathy-induced intervertebral disc degeneration and thoracolumbar kyphosis in
TSC1mKO mice model
CHLOE XIAOYUN CHAN (Singapore)

PS-FP-13-27 Comparison of the global sagittal alignment and surgical outcomes for osteoporotic vertebral
body fracture between lower lumbar and thoracolumbar area
Tomoya Matsuo (Japan)

PS-FP-13-28 Comparison of the stability and osseointegration of different intravertebral fixators
Jui-Yang Hsieh (Taiwan)

PS-FP-13-29 Do ovariectomy and calcium-restricted diets create osteoporosis in porcine model?
Jui-Yang Hsieh (Taiwan)

PS-FP-13-30 Consideration of cryopreservation solutions and methods of nucleus pulposus cells forindustrialization
Kosuke Sako (Japan)

PS-FP-13-31 Clinical efficacy of ultrasound guided bilateral erector spinae block for single level lumbar fusion
surgery: a prospective, randomized, case-control study
Chandhan Murugan (India)

PS-FP-13-32 The effect of anti-RANKL monoclonal antibody on spinal fusion in a mouse spinal fusion model
Soji Tani (Japan)

PS-FP-13-33 Biomechanical solution of broken pedicle during screws implantation
Ming-Kai Hsieh (Taiwan)

PS-FP-13-34 Efficacy of hiPSC-gliogenic NS/PCs for transplantation in the chronic phase of spinal cord injury
Yasuhiro Kamata (Japan)

PS-FP-13-35 Intra-operative prevention of epidural scar-adhesive processes after lumbar discectomy
Sergey Sergeevich Annenkov (Russian Federation)

PS-FP-13-36 A retrospective audit of effictiveness and reliability of telemedicine consultations in patients withspinal ailments
Rohit Akshay Kavishwar (India)

PS-FP-13-37 Diffusion tensor imaging with fiber tracking provides a valuable quantitative and clinicalevaluation for compressed lumbosacral nerve roots
Bo Han (China)

PS-FP-13-38 Suramin attenuates intervertebral disc degeneration by inhibiting NF-κB signaling pathway
Shih-Hsiang Chou (Taiwan)

PS-FP-13-39 The analysis of lumbar lordosis with pelvic incidence in asymptomatic Taiwanese adults
Chih-Wei Chen (Taiwan)

PS-FP-13-40 Efficacy, safety & reliability of high versus low dosages form of tranexamic acid used in adolescentidiopathic scoliosis surgery
Sharif Ahmed Jonayed (Bangladesh)

Free Paper: Intradiscal Treatment
PS-FP-14-1(5 min Presentation)

Intradiscal and epidural platelet-rich plasma injection for the treatment of chronic discogenic low
back pain
En Song (China)

PS-FP-14-2

1 year clinical result of condoliase for lumbar disc hernia
Atsushi Yoshioka (Japan)

PS-FP-14-3

The effectiveness of chemonucleolysis with condoliase for treatment of painful lumbar discherniation
Eijiro Okada (Japan)

49

PS-FP-14-4

Transforaminal full endoscopic discectomy and thermal annuloplasty for HIZ radiculopathy
Kazuta Yamashita (Japan)

50

Scientific Program_APPOSJune 10 (Thu.)_502
10:15 - 10:25

Opening Remarks (Venue: 501)

Live
10:25 - 11:25

Symposium 1: Surgical Management of Upper Extremity Anomaly(8 min Presentation + 2 min Discussion)Moderators: Goo Hyun Baek (Korea) / Hidehiko Kawabata (Japan)

Live On-demand
PO-SY-1-1

Surgical mobilization for congenital proximal radioulnar synostosis
Takehiko Takagi (Japan)

PO-SY-1-2

My reconstructive strategy for severe hypo plastic thumb
Shanlin Chen (China)

PO-SY-1-3

Surgical treatment of apert hands
Goo Hyun Baek (Korea)

PO-SY-1-4

Surgical correction for posttraumatic radial head dislocation
Margaret Woon Man Fok (Hong Kong)

PO-SY-1-5

Management of radial/ulnar deficiencies
Hidehiko Kawabata (Japan)

11:40 - 12:40

Plenary 1(25 min Presentation + 5 min Discussion)Moderators: Bobby Kinwah Ng (Hong Kong) / Yasuharu Nakashima (Japan)

Live On-demand
PO-PL-1-1

An ounce of prevention is worth a pound of cure …
a plea for hip surveillance programs in cerebral palsy
Ashok N. Johari (India)

PO-PL-1-2

Osteogenesis imperfecta: genetics, medical treatment & limb stabilization
Tae-Joon Cho (Korea)

12:55 - 13:55

Luncheon Seminar 2

Sponsored by Zimmer Biomet G.K.
Moderator: Yasuo Ito (Japan)

Live
LS-2-1

Knack and pitfalls in the management of traumatic cervical spinal cord injury
Takeshi Maeda (Japan)

51

14:10 - 15:10

Symposium 2: Club Foot Update(8 min Presentation + 2 min Discussion)Moderators: Ashok N. Johari (India) / Shinichi Satsuma (Japan)

Live On-demand
PO-SY-2-1

Epidemiological trends of congenital talipes equinovarus (CTEV) in a single-centre in Singapore
Arjandas Mahadev (Singapore)

PO-SY-2-2

The principle of ponseti method: radiographic evaluation of achilles tenotomy
Shinichi Satsuma (Japan)

PO-SY-2-3

Foot prognosis following the ponseti method
Katsuaki Taira (Japan)

PO-SY-2-4

Club foot - risk factors of relapse
Javed Iqbal (Pakistan)

PO-SY-2-5

Treatment options for relapsed club footAshok N. Johari (India)

15:25 - 16:10

JPHS Board Meeting

Closed
16:10 - 16:25

JPHS General Meeting of Members

Closed
16:40 - 17:40

APPOS-JPHS Combined Symposium 1: LCPD Update(8 min Presentation + 2 min Discussion)Moderators: Bobby Kinwah Ng (Hong Kong) / Nobuhiro Kamiya (Japan)

Live On-demand
PO-CS-1-1

A new therapeutic strategy for Legg-Calve-Perthes disease (LCPD) using a monoclonal neutralizing
antibody for Interleukin 6 (IL-6) receptor by stimulating new bone formation and revascularization
Nobuhiro Kamiya (Japan)

PO-CS-1-2

Imaging advance in Legg-Calvé-Perthes disease
Chang Ho Shin (Korea)

PO-CS-1-3

Factors required for successful conservative treatment using NPS brace for LCPD
Wook-Cheol Kim (Japan)

PO-CS-1-4

The role of femoral osteotomy in the treatment of perthes disease
Bobby Kinwah Ng (Hong Kong)

PO-CS-1-5

The role of the Salter innominate osteotomy in Legg-Calvé-Perthes disease
Kenichi Mishima (Japan)52

17:55 - 18:55

APPOS-JPHS Combined Symposium 2: Unstable SCFE

(8 min Presentation + 2 min Discussion)Moderators: Aik Saw (Malaysia) / Takuya Otani (Japan)

Live On-demand
PO-CS-2-1

Diagnosis of unstable SCFE: how accurate?
Aik Saw (Malaysia)

PO-CS-2-2

Timing of intervention in unstable slipped capital femoral epiphysis: the earlier the better?
Toshio Kitano (Japan)

PO-CS-2-3

Epiphyseal hemodynamics and treatment of unstable SCFE
Takuya Otani (Japan)

PO-CS-2-4

Open reduction with surgical dislocation
Wang Chow (Hong Kong)

PO-CS-2-5

Management of AVN after unstable SCFE
Ryosuke Yamaguchi (Japan)

June 11 (Fri.)_502
8:45 - 9:45

Morning Seminar 2

Sponsored by Stryker Japan K.K.
Moderator: Tetsuya Jinno (Japan)

Live
MS-2-1

Application of computer technology in Pediatric Orthopaedics
Yutaka Inaba (Japan)

10:00 - 11:00

Symposium 3: Guided Growth: Past, Present and Future(8 min Presentation + 2 min Discussion)Moderators: Hiroshi Kitoh (Japan) / Reiko Murakami (Japan)

Live On-demand
PO-SY-3-1

Guided growth for the correction of limb deformities and length discrepancy: indications, results
and complications
Akifusa Wada (Japan)

PO-SY-3-2

Guided growth: transphyseal screws vs. tension-band plate for treatment of angular deformity andlimb length discrepancy in children
Motohiro Kitano (Japan)

PO-SY-3-3

Application limit on leg length discrepancy
Wang Chow (Hong Kong)

PO-SY-3-4

Guided growth: approach for skeletal dysplasias
Hiroshi Kitoh (Japan)

PO-SY-3-5

Approach for coxa valga in cerebral palsy
Chia Hsieh Chang (Taiwan)

53

11:15 - 12:15

Plenary 2(25 min Presentation + 5 min Discussion)Moderators: Takuya Otani (Japan) / Yasuharu Nakashima (Japan)

Live On-demand
PO-PL-2-1

A step forward with my heroes
Toshio Fujii (Japan)

PO-PL-2-2

Radiological changes of DDH in 10 to 30-year follow-up
Makoto Kamegaya (Japan)

12:30 - 13:30

Luncheon Seminar 4Sponsored by CHUGAI PHARMACEUTICAL CO., LTD.
Moderator: Takuya Otani (Japan)

Live
LS-4-1

Paradigm shift in the treatment of hemophilia A; "New Normal" without arthropathy
Masataka Ishimura (Japan)

13:45 - 14:45

Symposium 4: Current Management of Cerebral Palsy(8 min Presentation + 2 min Discussion)Moderators: Alexander K. Y. Choi (Hong Kong) / Akifusa Wada (Japan)

Live On-demand
PO-SY-4-1

Botulinum toxin A: spasticity management for cerebral palsy
Mayuki Taketa (Japan)

PO-SY-4-2

Multi-level surgery for children with cerebral palsy
Alexander K. Y. Choi (Hong Kong)

PO-SY-4-3

Surgical intervention for spastic upper limb in cerebral palsy
Hidehiko Kawabata (Japan)

PO-SY-4-4Surgical options for foot deformity
Ashok N. Johari (India)

PO-SY-4-5

Management of crouch gait
Hyun Woo Kim (Korea)

15:00 - 16:00

APPOS Council Meeting

Closed54

16:15 - 17:15

APPOS-JPHS Combined Symposium 3: DDH Screening System(8 min Presentation + 2 min Discussion)Moderators: Jong Sup Shim (Korea) / Takeshi Kinjo (Japan)

Live On-demand
PO-CS-3-1

DDH screening system in Japan
Tadashi Hattori (Japan)

PO-CS-3-2

DDH screening in Korea
Jong Sup Shim (Korea)

PO-CS-3-3

Developmental dysplasia of hip: screening in India
Vrisha Madhuri (India)

PO-CS-3-4

DDH screening system in China-our experience in Shanghai
Li Zhao (China)

PO-CS-3-5

EQUID Study – evaluation of the quality of ultrasound
Leo Thomas Donnan (Australia)

17:30 - 18:30

APPOS-JPHS Combined Symposium 4: Advances in DDH Imaging(8 min Presentation + 2 min Discussion)Moderators: Chia Hsieh Chang (Taiwan) / Yuko Segawa (Japan)

Live On-demand
PO-CS-4-1

Principle of Graf method
Kenta Fujiwara (Japan)

PO-CS-4-2

Hip sonography update: how we can use it for older children?
Kiyoshi Aoki (Japan)

PO-CS-4-3

Early detection of AVN
Chia Hsieh Chang (Taiwan)

PO-CS-4-4

Prediction of mature acetabular dysplasia using childhood MRITomoyuki Nakamura (Japan)

PO-CS-4-5

Advance in DDH imaging: application of CT-based navigation
Yutaka Inaba (Japan)

June 12 (Sat.)_502
8:45 - 9:45

Morning Seminar 4Sponsored by Zimmer Biomet G.K.
Moderator: Takao Mae (Japan)

Live
MS-4-1

Pediatric fracture care: pearls and pitfalls
Tomohiro Matsumura (Japan)55

10:00 - 11:00

Symposium 5: Arthroscopic Application for Pediatric Joint Diseases(8 min Presentation + 2 min Discussion)Moderators: Takashi Saisu (Japan) / Keita Okada (Japan)

Live On-demand
PO-SY-5-1

Arthroscopic treatment for septic arthritis in children
Yasuhiro Oikawa (Japan)

PO-SY-5-2

Arthroscopic application for pediatric and adolescent hip disease
Hironobu Hoshino (Japan)

PO-SY-5-3

Arthroscopic application for benign bone tumors: osteoscopy assisted curettage for bone tumors
in pediatric, adolescent and young adult patients
Makoto Endo (Japan)

PO-SY-5-4

Endoscopic physeal bar resection for premature epiphyseal closure
Takashi Saisu (Japan)

11:15 - 12:15

APPOS-JPHS Combined Symposium 5: Treatment of Acetabular Dysplasia in Older Children (8 min Presentation + 2 min Discussion)Moderators: Ting-Ming Wang (Taiwan) / Daisuke Kobayashi (Japan)

Live On-demand
PO-CS-5-1

Primary acetabular dysplasia - can we predict acetabular growth? Daisuke Kobayashi (Japan)

PO-CS-5-2

Familial and genetic risk factors
Aik Saw (Malaysia)

PO-CS-5-3

Role of pelvic or combined osteotomy in surgical treatment of DDH
Li Zhao (China)

PO-CS-5-4

Role of triple osteotomy
Ting-Ming Wang (Taiwan)

PO-CS-5-5

Role of periacetabular osteotomy
Ryosuke Yamaguchi (Japan)

PO-CS-5-6

Arthroscopic intervention for teenaged patients with dysplastic hip
Hironobu Hoshino (Japan)

12:30 - 13:30

Luncheon Seminar 6

Sponsored by AbbVie GK / Eisai Co., Ltd.
Moderator: Yasuharu Nakashima (Japan)

Live
LS-6-1

Spondyloarthritis around the world -lessons from Japanese populationTetsuya Tomita (Japan)

56June 12 (Sat.)_501
13:45 - 14:45

APSS-APPOS Combined Symposium(8 min Presentation + 2 min Discussion)Moderators: Yat Wa Wong (Hong Kong) / Hee-Kit Wong (Singapore) / Morio Matsumoto (Japan)

Live On-demand
J-SY-1

Challenge for extremely large scoliosis with severe and difficult disease
Masashi Takaso (Japan)

J-SY-2

Early onset scoliosis (EOS) - effectiveness of growing devices
Arvind Jayaswal (India)

J-SY-3Congenital scoliosis
Keith DK Luk (Hong Kong)

J-SY-4

Knacks & pitfalls of the treatment for syndromic scoliosis
Haruhisa Yanagida (Japan)

June 12 (Sat.)_502
14:45 - 14:55

Closing Remarks (Venue: 501)

Live

57

On-demand Only Program_APPOS(Abstracts marked with a "★ " have been nominated for the Best Paper Awards)
Video on Surgical Technique
PO-VD-1(30 min Presentaion)

Modified Dunn for SCFE
Wang Chow (Hong Kong)

PO-VD-2

Salter, double and triple pelvic osteotomy in children
Takashi Saisu (Japan)

Free Paper: Upper Extremity
PO-FP-1-1(5 min Presentaion)

Successful treatment of chronic monteggia fracture-dislocations in children---a new reference
Zhiqiang Zhang (China)

PO-FP-1-2

Characteristics of the length of the radius and ulna in children
Chunxing Wu (China)

PO-FP-1-3

Treatment effect analysis of external fixation lengthening technique in pediatric radial and ulnar
shortening diseases
Chunxing Wu (China)

PO-FP-1-4

Surgical management of cubitus varus with mini external fixator (JESS FIXATOR)
Deepak Subhash Jain (India)

PO-FP-1-5

Treatment of forearm deformity and radial head dislocation in pediatric patients with hereditary
multiple exostoses
Bo Ning (China)

PO-FP-1-6

Timing of microsurgery in upper trunk obstetric brachial plexus palsy: a systematic review andmeta-analysis
Jasmine Mahajan (USA)PO-FP-1-7

Is the time at age of brachial plexus microsurgery changing over time? A systematic review
Jasmine Shafei (USA)PO-FP-1-8

Intercostal nerve transfer for biceps reinnervation in obstetrical brachial plexus palsy: a metaanalysis and comparison to supraclavicular exploration and nerve grafting
George Abdelmalek (USA)PO-FP-1-9

Reconstruction with linear circumferential skin closure for congenital constriction rings syndrome
Hiroshi Furukawa (Japan)

PO-FP-1-10 Floating thumb duplication: characteristics of the preserved anlage before and after surgicalcorrection
Megumi Hanaka (Japan)

PO-FP-1-11 Pin and plaster technique: a useful method for poor matured callus formation during ulnar
lengthening
Mai Konishi (Japan)

PO-FP-1-12 Is microsurgery for obstetric brachial plexus palsy practiced equally throughout the world: asystematic review
Michael Levidy (USA)PO-FP-1-13 Has the quality of brachial plexus microsurgery research changed over time? A systematic review
Michael Levidy (USA)Free Paper: Lower Extremity
PO-FP-2-1

Predictive scoring for patellar instability
Si Heng Sharon Tan (Singapore)58(5 min Presentaion)

PO-FP-2-2

The features of knee osteochondritis dissecans after discoid menisectomy in the pediatricpopulation
Hiromasa Fujii (Japan)

PO-FP-2-3

Vitamin D supplementation improves genu varum of toddlers
Yuko Sakamoto (Japan)

PO-FP-2-4

A timely difference - how accurate are prediction methods in determining timing of
epiphysiodesis?
Janus S.H. Wong (Hong Kong)

PO-FP-2-5

Post snake bite compartment syndrome of lower limb in a child
Deepak Subhash Jain (India)

PO-FP-2-6

Results of combined surgery for equinovarus deformity in spina bifida
Jiro Machida (Japan)

PO-FP-2-7

Location of the ovaries in children and efficacy of shielding in hip and pelvis radiographs
Azusa Yoneda (Japan)

PO-FP-2-8

Valgus deviation after tibia lengthening over a nail or plate using monolateral external fixator inadolescents
Kyeong-hyeon Park (Korea)

PO-FP-2-9

Acute correction of tibia deformity with minimally invasive plating in children
Kyeong-hyeon Park (Korea)

PO-FP-2-10 The effect and application of the calcaneal osteotomy - for pes cavovarus with spina bifida Shigemasa Komatsu (Japan)

PO-FP-2-11 The outcome of lower limb lengthening with a submuscular plate
Akio Nakura (Japan)

PO-FP-2-12 Predictions of the amount of growth remaining in the lower-limb
Kyung Rae Ko (Korea)

PO-FP-2-13 Rebound after guided growth for the correction of long bone deformity in children
Seung-Kyu Lee (Korea)

PO-FP-2-14 Endoscopy-assisted subtalar release for rigid relapse cases of congenital club feet
Masataka Kakihana (Japan)

PO-FP-2-15 Reconstructive surgery for acquired clubfoot deformity in children
Hiroshi Tanaka (Japan)

PO-FP-2-16 A study of the timing of guided growth surgery by eight plates for leg length discrepancy
Satomi Abe (Japan)

PO-FP-2-17 Fibular condition and joint alignment after limb lengthening
Yoshinobu Oka (Japan)

PO-FP-2-18 Surgical treatment of severe infantile Blount disease
Masashi Yamana (Japan)

PO-FP-2-19 Surgical management of permanent patella dislocation by Stanisavljevic procedure
Keita Okada (Japan)★PO-FP-2-20 The effect of irrigation on temperature during drilling for corticotomy using the double barrel drill

sleeveMuhammad Lutfi Abdul Rashid (Malaysia)

PO-FP-2-21 Sequntial lower extremity alignment of flatfoot children with general joint laxity
Atsushi Nishida (Japan)

PO-FP-2-22 Management of coxa vara with percutaneous subtrochantric valgus osteotomy with mini external
fixator
Varun L. Shetty (India)

PO-FP-2-23 Case report guided growth for a patient with generalized morphea
Reiko Murakami (Japan)

59

PO-FP-2-24 Lower limb deformity correction using intramedullary interlocking nail, guided by a poller screw
Muhammad Saad Ilyas (Pakistan)

PO-FP-2-25 Combined physeal bar resection and growth modulation surgery for correction of angulardeformity following post traumatic physeal arrest in children
Varun L. Shetty (India)

Free Paper: Developmental Dysplasia of the Hip
PO-FP-3-1(5 min Presentaion)

Trends in developmental dysplasia of the hip at Nagasaki University
Shohei Matsubayashi (Japan)

PO-FP-3-2

Congenital dislocation of the hip joint (CDH) and dislocation dysplasia of the hip (DDH), in
Mongolia
Budee Bayantsagaan (Mongolia)

PO-FP-3-3

Decrease of obstacles in infants with late-diagnosed developmental dysplasia of the hip reduced
gradually by flexion abduction continuous traction
Yaichiro Okuzu (Japan)

PO-FP-3-4

Acquisition of gross motor development in developmental dysplasia of the hip treated with the
Pavlik harness
Akihiro Kawano (Japan)

PO-FP-3-5

Epidemiology of developmental dysplasia of the hip: analysis of Japanese National Database
Hiroki Den (Japan)

PO-FP-3-6

Thinning of hip joint capsule following open reduction for developmental dysplasia of the hip: acase control study
Kazuki Yamada (Japan)

PO-FP-3-7

Three-dimensional printing assisted corrective osteotomy for developmental dysplasia of the hip
associated with short statue: a case report
Masatoshi Oba (Japan)

PO-FP-3-8

The relationship between gluteus medius and minimus muscle volumes and hip development indevelopmental dysplasia of the hip
Yohei Tomaru (Japan)

PO-FP-3-9

Universal ultrasound screening of DDH in neonates
Chihiro Hiraoka (Japan)

PO-FP-3-10 Predicting acetabular development in developmental dysplasia of the hip following open
reduction after walking age using magnetic resonance imaging
Tomonori Tetsunaga (Japan)

PO-FP-3-11 Acetabular measurement standing pelvic radiograph in adolescence
Takahiro Nishimura (Japan)

PO-FP-3-12 Examination of gluteus medius muscle area after DDH treatment
Yoshihiro Sato (Japan)

PO-FP-3-13 Clinical and radiographic outcome of Salter innominate osteotomy for incidentally discovered
acetabular dysplasia
Kenta Sawamura (Japan)

PO-FP-3-14 One-stage hip reconstruction for developmental hip dysplasia in children over 8 years of age
Mohammad Tallal Abdullah (Pakistan)

PO-FP-3-15 Capsular arthroplasty for neglected developmental dysplasia of hip
Umair Ahmed Ahmed (Pakistan)

PO-FP-3-16 Anterior coverage with axial magnetic resonance imaging is important for acetabular growth inpatients with developmental dysplasia of the hip
Yuta Tsukagoshi (Japan)

60

PO-FP-3-17 Closed repositioning following lower-extremity traction for developmental dysplasia of the hip in
walking age
Ryosuke Yamaguchi (Japan)

PO-FP-3-18 The predictive value of lateralization index for future congruence of the hip following successful
pavlik harness treatment for developmental dysplasia of the hip
Ryosuke Sakata (Japan)

PO-FP-3-19 Prevalence of developmental dysplasia of the hip in the patients with Turner syndrome
Maki Kinugasa (Japan)

PO-FP-3-20 How do Graf classification Type I and II acetabulums grow after infant examination?
Erica Amemiya (Japan)

PO-FP-3-21 Effect of anterior acetabular rotation on joint contact pressure in periacetabular osteotomy: afinite-element analysis study
Kenji Kitamura (Japan)

PO-FP-3-22 Three-dimensional evaluation of the cartilaginous hip morphology by MRI before and after Salter
innominate osteotomy
Takahiro Natori (Japan)

PO-FP-3-23 A rare case of an iliac fracture at iliac fossa immediately after Salter innominate osteotomy
Masanori Wako (Japan)

PO-FP-3-24 Validation of parameters recommended for secondary screening for developmental dysplasia of
the hip in Japan
Tomohiro Shimizu (Japan)

PO-FP-3-25 The meaning of asymmetric femoral skin fold in DDH screening
Wataru Koizumi (Japan)

PO-FP-3-26 Four-years experience with new screening system on developmental dysplasia of the hip
Yuko Segawa (Japan)

Free Paper: Legg-Calvé-Perthes Disease
PO-FP-4-1(5 min Presentaion)

Guitar pick sign: a novel sign of poor prognosis of Legg-Calve-Perthes disease after proximal
femoral varus derotational osteotomy
Fusako Shimozono (Japan)

PO-FP-4-2

Treatment result of proximal femoral varus osteotomy for Legg-Calve-Perthes disease
Noboru Oikawa (Japan)

PO-FP-4-3

Residual femoral head deformity after treatment for legg-calvé-perthes disease decreases
satisfaction on JHEQ
Junya Shimizu (Japan)

PO-FP-4-4

BMD and body composition for Legg-Calvé-Perthes disease children who underwent conservative
treatment with abduction brace
Kohei Shimoyama (Japan)★PO-FP-4-5

3D-MRI analysis of articular cartilage thickness in the femoral head of children with Legg-CalvéPerthes disease
Hidenao Tanaka (Japan)

Free Paper: Slipped Capital Femoral Epiphysis
PO-FP-5-1(5 min Presentaion)

Critical Analysis of Impingement following In situ fixation of SCFE
Vishnu Senthil Kumar (India)

PO-FP-5-2

Relationship between sports activities and obesity in children with slipped capital femoral
epiphysis
Yasuhiko Kawaguchi (Japan)

PO-FP-5-3

A case report of bilateral slipped capital femoral epiphysis occurred in 3 years old boy
Myongsu Ha (Japan)

61

Free Paper: Genetic Disorder
PO-FP-6-1(5 min Presentaion)

Health-related quality of life in patients with multiple epiphyseal dysplasia andspondyloepiphyseal dysplasia
Masaki Matsushita (Japan)

PO-FP-6-2

Valgus - extension osteotomy with external fixation for coxa vara in a child with kniest dysplasia: acase report
Chika Mizuno (Japan)

PO-FP-6-3

Locking plates in assisting bone union after osteotomy in patients with OI treated with modified
sofield millar operation
Shi Jie Yin (Hong Kong)★PO-FP-6-4

Genetic, phenotypic and geographical distributions of a large Chinese osteogenesis imperfecta
cohortPeikai Chen (China)

PO-FP-6-5

WNT1 mutations in osteogenesis imperfecta: retrospective study of a large chinese single-center
cohortZhongxin Dong (Hong Kong)

PO-FP-6-6

Articular contracture can limit daily activities and its effect on quality of life in this population
deserves further study
Ya Peng Zhou (Hong Kong)

Free Paper: Neuromuscular Disease
PO-FP-7-1(5 min Presentaion)

A 3-D Printed dynamic upper extremity orthosis (DUEO) for children with cerebral palsy and severe
arm involvement: a pilot study
Alice Chu (USA)PO-FP-7-2

The key to successful non-operative treatment for the contralateral hip in cerebral palsy patientswith unilateral hip subluxation
Lok Wah Noah So (Hong Kong)

PO-FP-7-3

One stage femoral varus derotational osteotomy concomintant with soft tissue release for bilateral
hip joints in cerebral palsy
Mihoko Hatano (Japan)

PO-FP-7-4

Can botulinum toxin treatment prevent surgical intervention for children with cerebral palsy who
are suffering from spasticity?
Keiko Eimori (Japan)

PO-FP-7-5

Did the COVID-19 pandemic affect access to orthopedic surgical care for children with cerebral
palsy and muscular dystrophy?
Alice Chu (USA)★PO-FP-7-6

Growth disturbance of the capital femoral epiphysis following reconstructive hip surgery inpatients with cerebral palsy
Byoung Kyu Park (Korea)

PO-FP-7-7

Classification of paralytic levels in lower limbs and functional mobility in upper limbs among spina
bifida patients using DXA scans
Hiroki Fujita (Japan)

PO-FP-7-8

Natural course of neuromuscular scoliosis and effectiveness of reduction surgery for hip
dislocation/subluxation among severe cerebral palsy
Yoh Fujimoto (Japan)

PO-FP-7-9

Orthopaedic selective spasiticity-control surgery for equinus deformity of the foot in patients withcerebral palsy
Ken Sugita (Japan)62

★PO-FP-7-10 Long-term outcomes of soft tissue surgery for the prevention of hip displacement in children withsevere cerebral palsy: comparison with the natural course
Takashi Hatano (Japan)

PO-FP-7-11 Early outcome of combined hip surgery for spastic hip subluxation and dislocation
Yongseung Lee (Japan)

PO-FP-7-12 Role of halo gravity traction and two staged surgery in severe neuromuscular scoliosis
Kushal Ramesh Gohil (India)

PO-FP-7-13 Surveillance study on reasons for the cessation of botulinum toxin-A therapy in spastic patients
Yoshika Kawamura (Japan)

Free Paper: Sports★PO-FP-8-1(5 min Presentaion)

Prevalence of multiple-level spondylolysis and the bone union rates among growth-stage children
with lower back pain
Noriyuki Iesato (Japan)

PO-FP-8-2

Tibial tuberosity avulsion fracture in children using soft suture anchors without screws: a casereportShutaro Aiba (Japan)

Free Paper: Trauma
PO-FP-9-1(5 min Presentaion)

A case of acute compartment syndrome of paediatric foot with systematic review
Vishnu Senthil Kumar (India)

PO-FP-9-2

Functional outcome of paediatric fracture neck of femur – a case series
Vishnu Senthil Kumar (India)

PO-FP-9-3

Neglected pediatric proximal humerus surgical neck fracture – managed conservatively
Vishnu Senthil Kumar (India)

PO-FP-9-4

Short term outcome of treatment with percutaneous cross Kirschner wires in paediatric distal
humeral metaphyseal diaphyseal junction fractures
Shahzad Anver Qureshi (Pakistan)

PO-FP-9-5

Clinical outcomes of pediatric ankle open fractures
Atsushi Sugita (Japan)

PO-FP-9-6

Fixation of pediatric humeral lateral condyle fractures with 3 K-Wires
Deepak Subhash Jain (India)

PO-FP-9-7

Disappearing pulse hand - a rare clinical scenario
Deepak Subhash Jain (India)

PO-FP-9-8

The impact of the COVID-19 pandemic on pediatric orthopaedic trauma in a metropolitan area
Alice Chu (USA)PO-FP-9-9

Segond fracture – a rare presentation in an adolescent
Devarani Pancharatnam (Malaysia)

PO-FP-9-10 Presence of immature radiographic healing following intramedullary Kirschner-wire fixation inpediatric both-bone diaphyseal forearm fracture may contribute to occurrence of refractures
Nobuaki Tsukamoto (Japan)

PO-FP-9-11 Conservative treatment to traumatic atlantoaxial joint infra-anterior dislocation complicating dens
epistrophei fracture in young children
Chunxing Wu (China)

Free Paper: Tumor(5 min Presentaion)

PO-FP-10-1 Fibrous dysplasia of hip – a novel management
Vishnu Senthil Kumar (India)

63

Free Paper: Infection & Inflammatory Disease(5 min Presentaion)

PO-FP-11-1 Withdrawn
PO-FP-11-2 Lytic lesion of proximal humerus in a child– a diagnostic dilemma
Vishnu Senthil Kumar (India)

PO-FP-11-3 Scurvy masquerading as septic arthritis in a patient with cerebral palsy
Deepak Subhash Jain (India)

PO-FP-11-4 Effective and rapid microbial identification in pediatric osteoarticular infections using blood
culture bottles
Chang Ho Shin (Korea)

PO-FP-11-5 Characteristics of pyomyositis compared to pyogenic osteomyelitis and arthritis
Chikahisa Higuchi (Japan)

64

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フリーダイヤル 0120-419-497

LYR2012M112020 年 12月作成

集中歩行療法ロボット

LOKOMAT®

ロコマット

ロコマットは、歩行動作をサポートし、生理的な歩行パターンに基づいて患者の脚を誘導するロボットデバイスです。

神経疾患、筋肉疾患、または骨疾患による 歩行障害がある患者を治療するための、トレッドミルトレーニングをサポートします。

歩行スピードに合わせた多様なバイオフィードバック訓練により、患者は楽しみながらリハビリテーションを行う事ができ、モチベーションの維持・向上が期待できます。

インターリハ株式会社 〒114-0016

東京都北区上中里 1-37-15
TEL : 03(5974)0231 FAX : 03(5974)0233
http://www.irc-web.co.jp E-mail : irc@irc-web.co.jp

営業所:仙台 / 東京 / 名古屋 / 大阪 / 九州 / フィジオセンター

Designed to facilitate pre-operativeplanning and post-operative
correction treatment
with TL-HEX software

販売名：オーソフィックス創外固定ピン（滅菌済） 医療機器承認番号：20900BZY01009000
販売名：オーソフィックス創外固定器
販売名：TL-HEX ソフトウェア❶ レントゲン写真をアップロードします。 ❷ 計測を行います。
■製造元

オーソフィックス社（イタリア）❸ プランニングを行います。

届出番号：27B1X00116000123
医療機器承認番号：22900BZI00031000❹ TL-HEXソフトウェアにデータが自動でインプットされます。

札 幌 ☎ 011-622-4361 仙
関 東 ☎ 048-642-3360 東
名古屋 ☎ 052-242-5201 大
広 島 ☎ 082-270-3071 福■製造販売元台 ☎ 022-299-2371
京 ☎ 03-5665-2780
阪 ☎ 06-6222-1851
岡 ☎ 092-622-7730

LCP
PEDIATRIC HIP PLATE®

For osteotomy and trauma applications in the proximal femur

TITANIUM ELASTIC NAIL
SYSTEM (TEN )™

For elastic stable intramedullary nailing (ESIN)

depuysynthes.jp

製造販売元：ジョンソン・エンド・ジョンソン株式会社 デピューシンセス事業本部 Trauma CMF VET & PT ビジネスユニット 〒 101-0065 東京都千代田区西神田 3 丁目 5 番 2 号
販売名 : LCP ペディアトリックヒッププレートシステム（滅菌）/ 承認番号 : 22100BZX00821000 / 販売名 : AO スモールフラグメント システム インプラント SS（滅菌）/ 承認番号 : 21700BZY00273000
販売名 : チタニウムエラスティックネイル ( 滅菌 ) / 承認番号 : 22800BZX00369000 / ©J&JKK2021・164511-210113



コルセット・補装具
コルセット・補装具・
補装具・義肢（ 有 ）長 野 製 作 所
東京都文京区湯島 2 丁目 10 番 6 号
Tel：
Tel：03(3811)2218

Thoracolumbar Solutions

Vital™ Deformity
Spinal Fixation System

Thoracolumbar Solutions

Vital™ Deformity
Spinal Fixation System

Surgical Technique Guide

The Vital Spinal Fixation System was developed to address themodern demands of surgeons treating complex spinal pathologies.
The system provides a comprehensive solution for rigid spinal
fixation, from the thoracic spine to the ilium.

EXPEDIUM VERSE
Fenestrated Screw®

[ Fenestrations ]120°間隔の横穴スクリュー長スクリュー長30 - 40mm

45mm -

depuysynthes.jp

製造販売元：ジョンソン・エンド・ジョンソン株式会社 デピューシンセス事業本部 スパイン ビジネスユニット〒101-0065 東京都千代田区西神田 3 丁目 5 番 2 号 / 販売名：Expedium Verse Fenestrated Screw システム / 承認番号：30200BZX00193000 / ©J&JKK2020・157715-201102

ジンマー バイオメット https://www.zimmerbiomet.com/ja
本社 〒105-0011 東京都港区芝公園二丁目 11 番 1 号 住友不動産芝公園タワー 15 階Tel. 03-6402-6600（代）

販売名：Vitality スパイナル システム
医療機器製造販売承認番号：23100BZX00056000

Program Book

Alignment Matters
Integrated Global Alignment® (iGA®) is a platform comprised of procedurally-based technologies,
designed to enhance clinical and economic outcomes by increasing the predictability of achieving• Calculate alignment parameters with preoperative planning tools.
• Correct the anterior and posterior column with real-time intraoperative
insights and comprehensive procedural solutions.

•the restoration and preservation of global alignment postoperatively.

製造販売業者

ニューベイシブジャパン株式会社〒104-0061 東京都中央区銀座7-14-13 日土地銀座ビル
TEL 03-3549-6500 FAX 03-3549-6501

Program Book

©2018. NuVasive, Inc. All rights reserved. iGA, Integrated Global Alignment, and Alignment Matters
are registered trademarks of NuVasive, Inc. in the U.S. and may be registered in other countries.
18-NUVA-1016

Live streaming
On-demand streaming

June 10 [ Thu ] - 12 [ Sat ]June 10 [ Thu ] - 30 [ Wed ]Kobe International Conference Center, Japan