‑ 56 ‑

‑ 57 ‑PROGRAMRoom1

1st day - Friday, November 5th
Symposium 1 Shoulder balance -From Assessment to Surgery-

8:30 〜 9:50

Moderator：Toshiaki Kotani（Department of Orthpedic Surgery, Seirei Sakura Citizen Hospital）

SY1-1

Clavicle Chest Cage Angle Difference-Predictor of postoperative▶ page109
shoulder imbalance〇Mitsuru Yagi，Satoshi Nori，Satoshi Suzuki，Yohei Takahashi，Osahiko Tsuji，Narihito Nagoshi，Masaya Nakamura，Morio Matsumoto，Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine

SY1-2

Prevention of Post-operative Medial Shoulder Imbalance and Neck
Tilt in Adolescent Idiopathic Scoliosis (AIS) Surgery: Preoperative▶ page110
Evaluation and Surgical Strategies.
〇Mun Keong Kwan
Department of Orthopaedic Surgery (NOCERAL), University of Malaya, Kuala
Lumpur, Malaysia.

SY1-3

The eﬀect of pelvic obliquity on shoulder balance in patients with▶ page111
adolescent idiopathic scoliosis〇Tomohiro Banno，Yu Yamato，Tomohiko Hasegawa，Go Yoshida，Hideyuki Arima，Shin Oe，Yuki Mihara，Koichiro Ide，Yuh Watanabe，Kenta Kurosu，Keiichi Nakai，Yukihiro Matsuyama
Department of Orthopaedic Surgery, Hamamatsu University School of Medicine

SY1-4

Impact of anchor type at UIV on postoperative shoulder balance▶ page112〇Tsutomu Akazawa1,2，Toshiaki Kotani3，Tsuyoshi Sakuma3，Yasushi Iijima3，
Shingo Kuroya1，Masahiro Iiunuma1,2，Yoshiaki Torii1,2，Jun Ueno1,2，
Atsuhito Yoshida1,2，Seiji Ohtori4，Hisateru Niki1
1

Department of Orthopaedic Surgery, St. Marianna University School of

Medicine，2

Spine Center, St. Marianna University School of Medicine，3

Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，

4

Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba

University‑ 58 ‑

Shoulder balance after posterior corrective fusion using pedicle
screw construct for Lenke type1 adolescent idiopathic scoliosis▶ page113〇Kei Watanabe1，Masayuki Ohashi1，Hideki Tashi1，Yohei Shibuya1，
Tatsuo Makino1，Hiroyuki Kawashima1，Kazuhiro Hasegawa3，Toru Hirano2
1

Department of Orthopaedic Surgery, Niigata University School of Medicine，2

Department of Orthopaedic Surgery, Uonuma Kikan Hospital，

3

Niigata Spine Center

Symposium 2（Video Session） AIS Lenke type 1 and 2-My Surgical Technique and Special Points-

10:00 〜 11:20

Moderator：Motoki Iwasaki（Osaka Rosai Hospital）

SY2-1

Skip Pedicle Screw Fixation for AIS Lenke type 1, 2 Curves: Good
trunk and shoulder balance and thoracic kyphosis formation▶ page114〇Jun Takahashi1，Hiroki Oba1，Masashi Uehara1，Ryo Munakata1，
Terue Hatakenaka1，Tetsuhiko Mimura1，Shota Ikegami1，Takashi Takizawa1，
Takayuki Kamanaka1，Yoshinari Miyaoka 1，Daisuke Kurokouchi1，
Takuma Fukuzawa1，Michihiko Koseki2
1

The Department of Orthopaedic Surgery, Shinshu University, School of

Medicine，
2

SY2-2

Faculty of Textile Science and Technology, Shinshu University

Tips and tricks to achieve good medial shoulder and neck balance▶ page115
in Lenke 2 curves: a video demonstration〇Chris Chan Yin Wei
Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya

SY2-3

Vertebral coplanar alignment for thoracic adolescent idiopathic▶ page116
scoliosis〇Hiroshi Moridaira，Satoshi Inami，Daisaku Takeuchi，Haruki Ueda，
Hiromichi Aoki，Takuya Iimura，Hidekazu Arai，Nobuki Tanaka，Satoshi Takada，Hiroshi Taneichi
Department of Orthopedic Surgery, Dokkyo Medical University

SY2-4

Four-dimensional anatomical correction▶ page117〇Hideki Sudo1，Yuichiro Abe2，Terufumi Kokabu1，Katsuhisa Yamada1，
Akira Iwata1，Hiroyuki Tachi1,21Department of Orthopaedic Surgery, Hokkaido University Hospital，2

Eniwa Hospital‑ 59 ‑

November 5th
R o o m 1

SY1-5

SY2-53-Column Osteotomy for Young Adult Idiopathic Scoliosis▶ page118-is it worth it ?
〇Bangping Qian
Department of Spine Surgery, Nanjing Drum Tower Hospital, Nanjing University

Luncheon Seminar 1

11:30 〜 12:30

Moderator：Manabu Ito（Hokkaido Medical Center）

LS1

Shilla Growth Guidance Technique for Early Onset Scoliosis▶ page131〇Noriaki Kawakami
Orthopedics Surgery, Ichinomiyanishi Hospital

Yamada & Inoue Memorial Lecture

13:20 〜 14:20

Moderator：Yukihiro Matsuyama（Department of Orthopaedic Surgery, Hamamatsu
University School of Medicine）

ML1

Pediatric Spinal Deformity: The evaluation of challenging cases and▶ page103
the surgical strategy〇Koki Uno
The Department of Orthopedic Surgery National Hospital Organization Kobe
Medical Center

ML2

What is spinal deformity for spine surgeon?

▶ page104〇Takachika Shimizu
Department of Orthopaedic Surgery, Gunma Spine Center, Harunaso Hospital

Sweets Seminar １

14:30 〜 15:30

Moderator：Morio Matsumoto（Department of Orthopaedic Surgery, Keio University）

SS1

Surgical techniques of Convex-side Rod Rotation Maneuver (RRM)▶ page140
for scoliosis and its clinical outcome〇Hidetomi Terai
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine, Osaka, Japan‑ 60 ‑

-Casting to Surgery-

15:40 〜 17:00

Moderator：Haruhisa Yanagida（Department of Orthopaedics & Spine Surgery,Fukuoka Children's Hospital）

SY3-1

A framework for early onset scoliosis treatment - casting ~growth▶ page119
friendly surgery 〇Taichi Tsuji
The Department of Orthopaedic & Spine surgery, Toyota Kosei Hospital

SY3-2

Accurate prediction of T1-12 height after growth friendly surgeries
in early onset scoliosis using logistic regression models▶ page120〇Teppei Suzuki，Koki Uno，Kohei Kawakita，Masaaki Ito
Department of Orthopaedic Surgery, National Hospital Organization Kobe
Medical Center

SY3-3

Clinical results of corrective cast and brace treatment for early▶ page121
onset scoliosis〇Ryo Sugawara1，Ichiro Kikkawa2，Hideaki Watanabe2，Naoya Taki2，
Hiroko Tomisawa2，Katsushi Takeshita1

SY3-4

1

Department of Orthopedic Surgery, Jichi Medical University，2

Department of Pediatric Orthopedics, Jichi Children's Medical Center Tochigi

Surgical treatment for neuromuscular scoliosis▶ page122〇Masayuki Miyagi，Wataru Saito，Yusuke Mimura，Gen Inoue，
Toshiyuki Nakazawa，Takayuki Imura，Eiki Shirasawa，Shinsuke Ikeda，Masashi Takaso
Department of Orthopaedic Surgery, Kitasato University, School of Medicine

SY3-5

Indications and Limitations of the VEPTR System for Early Onset▶ page123
Scoliosis〇Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine

Evening Seminar 1

17:10 〜 18:10

Moderator：Hirotaka Haro（Department of Orthopaedic Surgery, University of Yamanashi）

ES1

New approaches to spine deformity surgery▶ page135〇Jun Takahashi
Department of Orthopaedic Surgery, Shinshu University, School of Medicine‑ 61 ‑

November 5th
R o o m 1

Symposium 3 Indication and Limitation of treatment for EOSRoom2

1st day - Friday, November 5th
Oral1-1

Spinal Deformity Basics

8:30 〜 9:20

Moderator：Gen Inoue（Department of Orthopaedic Surgery Kitasato University School of Medicine）

O1-1-1

Impact of pathogenic
variant types on the progression of▶ page147
scoliosis in patients with Marfan syndrome〇Yuki Taniguchi1，Norifumi Takeda3，Ryo Inuzuka4，Yoshitaka Matsubayashi1，
So Kato1，Toru Doi1,2，Yasushi Oshima1，Sakae Tanaka1
1

Department of Orthopedics, The University of Tokyo Hospital，2

Department of Next Generation Locomotive Imaging System, The University ofTokyo，

O1-1-2

3

Department of Cardiovascular Medicine, The University of Tokyo Hospital，

4

Department of Pediatrics, The University of Tokyo Hospital

The increasing expression of UNCX gene driven by a risk variant▶ page148
determined from adolescent idiopathic scoliosis GWAS〇Yoshiro Yonezawa1,2,3，Nao Otomo5，Kazuki Takeda4，Masaya Nakamura2，
Morio Matsumoto2，Shiro Ikegawa3，Kota Watanabe2
1

The department of Orthopaedics, Tama Zenshoen，

2

The department of Orthopaedics, Keio University Hospital，

3

Laboratory for Bone and Joint Diseases, RIKEN Center for Integrative Medical

Sciences，
4

Shizuoka Red Cross Hospital，

5International University of Health and Werfare Mita HospitalO1-1-3The usefulness of LAT1-inactivated mice as a novel model of scoliosis▶ page149〇Makoto Handa1，Satoru Demura1，Noriaki Yokogawa1，Satoshi Kato1，
Kazuya Shinmura1，Ryohei Annen1，Motoya Kobayashi1，Yohei Yamada1，
Satoshi Nagatani1，Eiichi Hinoi2，Manami Hiraiwa2，Hiroyuki Tsuchiya1
1

Department. of Orthopaedic Surgery, University of Kanazawa，

2

Department. of Pharmacology, University of Gifu PharmaceuticalO1-1-4

Evaluation of AI Algorithm for Cobb Angle Measurement▶ page150〇Yoshihiro Maeda，Takeo Nagura，Satoshi Suzuki，Mitsuru Yagi，
Morio Matsumoto，Masaya Nakamura，Kota Watanabe
Department of Orthopaedic Surgery, Keio University School of Medicine‑ 62 ‑

O1-1-5Comparison of biomechanical stresses in ﬁnite element spinopelvic▶ page151
models under diﬀerent conditions of spinal ﬁxation〇Norihiro Oku1,2，Satoru Demura1，Daisuke Tawara3，Satoshi Kato1，
Kazuya Shinmura1，Noriaki Yokogawa1，Hiroyuki Tsuchiya1
1

Department of Orthopaedic Surgery, Graduate School of Medical Sciences,2

Department of Orthopaedic Surgery, Asanogawa General Hospital，3

Department of Mechanical and Systems Engineering, Faculty of Science andTechnology, Ryukoku University

O1-1-6

Biomechanical study of rod stress in lumbopelvic fixation using
lateral interbody fusion: an in-vitro experimental study using▶ page152
synthetic bone models〇Shunji Tsutsui，Takuhei Kozaki，Hiroshi Yamada
Department of Orthopedic Surgery, Wakayama medical University

O1-1-7

Cobalt concentrations in the blood after scoliosis surgery andrelated factors: comparison of cobalt chrome rods and titanium▶ page153
rods〇Tatsuya Sato1，Hidetoshi Nojiri1，Takehisa Matsukawa2，Takatoshi Okuda1，
Kei Miyagawa1，Ryosuke Takahashi1，Arihisa Shimura1，Yasuhiro Homma1，
Seiya Ishii1，Kazuhito Yokoyama3，Muneaki Ishijima1
1

Department of Orthopaedic Surgery, Juntendo University School of Medicine，2

Department of Epidemiology and Environmental Health, Juntendo University

School of Medicine，3

Department of Epidemiology and Environmental Health, International University

of Health and Welfare

Oral1-2

Spino-Pelvic Alignment

9:30 〜 10:20

Moderator：Hiroshi Yamada（Wakayama Medical University）

O1-2-1

Factors affected spinal sagittal malalignment in patients with▶ page154
spinal diseases〇Yuji Yokozeki1，Masayuki Miyagi1，Masatoshi Hoshino2，Kazuhide Inage3，
Kosuke Murata1，Tomohisa Koyama1，Ayumu Kawakubo1，Yusuke Hori2，
Sumihisa Orita3，Gen Inoue1，Seiji Ohtori3，Hiroaki Nakamura2，
Masashi Takaso1
1

Department of Orthopaedic Surgery, Kitasato University School of Medicine，2

Dept of Orthopedic Surgery Osaka City University Graduate School of Medicine，3

Dept of Orthopedic Surgery Chiba University Graduate School of Medicine‑ 63 ‑

November 5th
R o o m 2

Kanazawa University，

O1-2-2

Trunk function and its relationship with sagittal spinopelvicalignment in a 6-year prospective community-based female cohort▶ page155〇Hisashi Chiba1，Tetsuya Kobayashi2，Shizuo Jimbo2，Mitsuru Imai2

O1-2-3

1

Department of Rehabilitation, Furano Geriatric Health Services Facility，2

Department of Orthopaedic Surgery, Asahikawa Medical University

Whole-body alignment in patients who underwent cervical▶ page156
laminoplasty.
〇Yoshinori Morita1，Kenyu Ito1，Hiroaki Nakashima2，Shiro Imagama2，
Tokumi Kanemura1

O1-2-41

Department of Orthopedic Surgery, Konan Kosei Hospital，2

Department of Orthopedic Surgery, Nagoya University School of Medicine

Morphological features and the impact of single level PLIF on
global sagittal alignment in the patients with severe dysplastic▶ page157
spondylolisthesis〇Kazuki Takeda1,2，Satoshi Suzuki2，Yohei Takahashi2，Satoshi Nori2，
Osahiko Tsuji2，Narihito Nagoshi2，Mitsuru Yagi2，Nobuyuki Fujita3，
Masaya Nakamura2，Morio Matsumoto2，Kota Watanabe2O1-2-51

Department of Orthopaedic Surgery, Japan Red Cross Shizuoka Hospital，2

Department of Orthopaedic Surgery, Keio University School of Medicine，3

Department of Orthopaedic Surgery, Fujita Health University

Sagittal malalignment was risk factors of pain-related disorders,gait disturbance, activities of daily living deficit due to LBP in▶ page158
osteoporosis〇Eiki Shirasawa1，Masayuki Miyagi1，Kousuke Murata1，Tomohisa Koyama1，
Yuuji Yokozeki1，Toshiyuki Nakazawa1，Takayuki Imura1，Wataru Saito1，
Shinsuke Ikeda1，Akiyoshi Kuroda1，Yusuke Mimura1，Kazuhide Inage2，
Seiji Ohtori2，Gen Inoue1，Masashi Takaso1
1

Department of Orthopaedic Surgery Kitasato University School of Medicine，2

Department of Orthopaedic Surgery Graduate School of Medicine Chiba

University.

O1-2-6

Pelvic ring ratio as a new parameter of pelvic tilt
12,3

▶ page159
3〇Hiroaki Nakashima ，Noriaki Kawakami ，Tetsuya Ohara ，Toshiki Saito2,3，
Ryoji Tauchi3，Shiro Imagama1
1

Orthopedic Department, Nagoya University Graduate School of Medicine，2

Department of Orthopedics and Spine Surgery, Ichinomiyanishi Hospital，3

Meijo Hospital Orthopedics and Spine Center‑ 64 ‑

O1-2-7

Sex diﬀerences between the relationship of trunk muscle mass and▶ page160
whole body sagittal plane alignment in older adults.
〇Koichiro Ide1，Yu Yamato1,2，Tomohiko Hasegawa1，Go Yoshida1，
Tomohiro Banno1，Hideyuki Arima1，Shin Oe1,2，Yuki Mihara1，
Yuh Watanabe1，Keiichi Nakai1，Kenta Kurosu1，Yukihiro Matsuyama1
1

Department of Orthopedic Surgery and Division of Geriatric Musculoskeletal

Health, Hamamatsu University School of Medicine, Hamamatsu

Oral1-3

Adult Spinal Deformity

10:30 〜 11:20

Moderator：Shiro Imagama（Department of Orthopedic Surgery, Nagoya University School of Medicine）

O1-3-1Analysis of hepatobiliary enzyme elevation after surgery of adult▶ page161
spinal deformity〇Kotaro Sakashita1,2，Toshiaki Kotani2，Tsuyoshi Sakuma2，Keita Nakayama1，
Yasushi Iijima2，Takahiro Sunami1，Tsutomu Akazawa3，Shohei Minami2，
Seiji Ohtori4，Masashi Yamazaki1
1

Deprtment of Orthopedic Surgery, University of Tsukuba，

2

Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，3

Department of Orthopedic Sugery, St.Marianna University School of Medicine，4

Department of Orthopedic Surgery, University of Chiba

O1-3-2

Eﬀect of teriparatide on HU values at upper instrumented vertebra▶ page162
after adult spinal deformity surgery〇Keishi Maruo，Fumihiro Arizumi，Kazuya Kishima，Norichika Yoshie，Tomoyuki Kusukawa，Toshiya Tachibana
Department of Orthopaedic Surgery, Hyogo College of Medicine

O1-3-3Comparison of outcome for spinal deformity associated with
Parkinson's disease and adult spinal severe deformity -Analysis▶ page163
using propensity score matching〇Masaaki Ito，Teppei Suzuki，Kohei Kawakita，Koki Uno
Department of Orthopaedic Surgery, National Hospital Organization Kobe
Medical CenterO1-3-4The impact of early ADL after surgery for adult spinal deformity on▶ page164
health-related QOL 2 years after surgery〇Takashi Terao1，Yoshinobu Yamanouchi1，Takuto Kurakawa2，Masaaki Ito3，
Teppei Suzuki3，Kohei Kawakita3，Koki Uno3
1

Department of Rehabilitation, National Hospital Organization Kobe Medical

Center，2

Kurakawa Orthopedic clinic otorhinolaryngoloy，

3

Department of Orthopaedic Surgery, National Hospital Organization Kobe

Medical Center‑ 65 ‑

November 5th
R o o m 2

Department of Orthopaedic Surgery Hamamatsu University School of Medicine，2O1-3-5

Which spinopelvic and hip morphological parameter are risk
factors for hip joint osteoarthritis in postoperative adult spinal▶ page165
deformity patients〇Satoshi Inami1，Kazuo Tomizawa1，Hiroshi Moridaira1，Daisaku Takeuchi2，
Tsuyoshi Sorimachi3，Haruki Ueda1，Hiromichi Aoki1，Takuya Iimura2，
Hidekazu Arai1，Nobuki Tanaka1，Satoshi Takada1，Hiroshi Taneichi1
1

Department of Orthopedic Surgery, Dokkyo Medical University，2

O1-3-6

Nasu Red Cross Hospital，3Gotenyama Hospital

Trunk kinematics in relation with hip joint moment during gait in▶ page166
patients with adult spinal deformity〇Shogo Matsumoto1,3，Satoshi Hakukawa2，Satoshi Suzuki3，Mitsuru Yagi3，
Morio Matsumoto3，Masaya Nakamura3，Takeo Nagura2,3，Kota Watanabe3

O1-3-7

1

Tokyo dental college Ichikawa general hospital，2

Department of Clinical Biomechanics, Keio University，3

Department of Orthopedic Surgery, Keio University

Nonoperative study of adult spinal deformity with minimum 2-year▶ page167
follow up〇Norichika Yoshie，Keishi Maruo，Tomoyuki Kusukawa，Kazuya Kishima，
Humihiro Arizumi，Toshiya Tachibana
Orthopedic Department, Hyogo College of Medicine, Nishinomiya

Luncheon Seminar 2

11:30 〜 12:30

Moderator：Naobumi Hosogane（Kyorin University）

LS2

Management of lower lumbar and pelvic alignment in adult spinal▶ page132
deformity surgery〇Tomohiko Hasegawa，Yukihiro Matsuyama
Dept. Orthopaedics, Hamamatsu university school of medicine

Sweets Seminar 2

14:30 〜 15:30

Moderator：Koki Uno（National Hospital Organization Kobe Medical Center）

SS2

3D Correction for Adolescent Idiopathic Scoliosis〇Peter O. Newton
Rady Children's Hospital, UCSD

‑ 66 ‑▶ page141

Oral1-4

AIS Assessment

15:40 〜 16:30

Moderator：Tomoaki Toyone（Department of Orthopaedic Surgery, Showa University
School of Medicine）

O1-4-1〇Aimi Nagano1，Yuto Tomita2，Satoshi Suzuki2，Yohei Takahashi2，
Satoshi Nori2，Narihito Nagoshi2，Mitsuru Yagi2，Masaya Nakamura2，
Morio Matsumoto2

O1-4-2

1

Keio Shonan Fujisawa Senior High School，2

Department of Orthopedic Surgery, Keio University School of Medicine

Actual condition of back pain in patients with adolescent idiopathic▶ page169
scoliosis〇Kei Watanabe1，Masayuki Ohashi1，Yuta Kusabe1，Hideki Tashi1，
Yohei Shibuya1，Tatsuo Makino1，Hiroyuki Kawashima1，Kazuhiro Hasegawa2，
Toru Hirano3
1

Department of Orthopaedic Surgery, Niigata University Medical and Dental

Hospital，2

Department of Orthopaedic Surgery, Uonuma Kikan Hospital，3Niigata Spine

CenterO1-4-3

Substantial mismatch of skeletal maturity assessment between
Risser sign and SSMS/TOCI in patients with idiopathic scoliosis▶ page170〇Masaaki Chazono1,2，Takeshi Inoue2，Shintaro Obata2

O1-4-41

Department of Orthopaedic Surgery, Utsunomiya National Hospital，2

Department of Orthopaedic Surgery, The Jikei University School of Medicine

Deformation of the vertebral body near the aorta after idiopathic▶ page171
scoliosis surgery〇Taiji Iwasawa，Ryouji Tauti，Tetsuya Ohara，Kosuke Takimura，Yuuta Hosokawa，Yosuke Takeichi
Orthopedics and spine center, Meijo HospitalO1-4-5Three-dimensional evaluation of vertebral deformity in a main
thoracic curve of adolescent idiopathic scoliosis of Lenke type 1▶ page172
and 2〇Hideki Tashi，Masayuki Ohashi，Yohei Shibuya，Tatsuo Makino，Kei Watanabe
Division of Orthopedic Surgery, Niigata University Medical and Dental HospitalO1-4-6

Relationship cervical kyphosis and thoracic kyphosis angle in▶ page173
children with restricted forward bending〇Bunichiro Izumi1，Yasuhiro Izumi2
1

Hiroshima City Hiroshima Citizens Hospital，2IZUMI Orthopedic Clinic‑ 67 ‑

November 5th
R o o m 2

Influence of Posterior Correction and Fusion Surgery for
Adolescent Idiopathic Scoliosis on Sports and Trunk Movements - A▶ page168
Questionnaire Study

O1-4-7

Risk factor of allogenic blood transfusion in scoliosis surgery▶ page174
comparison of AIS and NMS〇Gen Inoue，Wataru Saito，Eiki Shirasawa，Masayuki Miyagi，Takayuki Imura，
Shinsuke Ikeda，Yusuke Mimura，Toshiyuki Nakazawa，Masashi Takaso
Department of Orthopaedic Surgery, Kitasato University School of Medicine

Evening Seminar 2

17:10 〜 18:10

Moderator：Katsumi Harimaya（Kyushu University Beppu Hospital）

ES2

Evolution of correction techniques and 3-D Correction using Spinal▶ page136
Rod Link Reducer〇Daisuke Sakai
Dept. of Orthop. Surg., Tokaii Univ. School of Med.

‑ 68 ‑

Hands-on Seminar

1st day - Friday, November 5th
Hands-on Seminar 1
HS-1

14:00 〜 15:30

MAZOR X Spine Robot System Hands-on‑ 69 ‑

Room1

2nd day - Saturday, November 6thMorning Seminar 1

8:00 〜 9:00

Moderator：Kentaro Fukuda（Saiseikai Yokohamashi Tobu Hospital）

MS1-1

Achievement of Appropriate Spinal Alignment in Adult Spinal▶ page137
Deformity Surgery〇Hiroaki Nakashima
Orthopedic Department, Nagoya University Graduate School of Medicine

MS1-2

Mechanical Complication Countermeasures for Adult Spinal
Deformity Surgery-Changing the Fate of the Non-physiological▶ page138
Spine〇Yu Yamato1,2
1

Division of Geriatric Musculoskeletal Health, Hamamatsu University School of

Medicine，2

Department of Orthopaedic Surgery, Hamamatsu University School of Medicine

International Case Discussion 1 - AIS-

9:10 〜 9:40

Moderator：Daisuke Sakai（Department of Orthopaedic Surgery, Tokai University
School of Medicine）〇Shinji Takahashi
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine〇Cheung,Jason Pui Yin
The University of Hong Kong
〇Chee Kidd Chiu
University of Malaya〇Takashi Kaito
Department of Orthopaedic Surgery, Osaka University Graduate School of
Medicine〇Hideki Shigematsu
The Department of Orthopaedics, Nara Medical University‑ 70 ‑

9:40 〜 10:10

Moderator：Tokumi Kanemura（Konan Kosei Hospital）〇Akira Matsumura
Department of Orthopaedic Surgery, Osaka City General Hospital〇Hiroaki Nakashima
Orthopedic Department, Nagoya University Graduate School of Medicine〇Hey Hweng Dennis
National University of Singapole〇C.C.Wong
University Malaysia Sarawak Kuching, Sarawak, Malaysia〇Naobumi Hosogane
Department of Orthopedic Surgery, Kyorin University School of Medicine

Special Symposium Future of School Screening in Scoliosis
10:20 〜 11:40
Moderator：Manabu Ito（President of Japanese Scoliosis Society, Department ofOrthopaedic Surgery, National Hospital Organization
Hokkaido Medical Center)
Kota Watanabe（Department of Orthopedic Surgery, Keio University
School of Medicine）

SSY-1

Policly on early detection of scoliosis in child growth and development▶ page105
Process〇Hanako Jimi
A member of House of Councilors, Doctor

SSY-2

Issues and prospects on school scoliosis screening in Japan▶ page106〇Hiroshi Kuroki
Department of Orthopaedic Surgery, National Hospital Organization, Miyazaki
Higashi Hospital

SSY-3

The issues of the scoliosis screening in the school medical▶ page107
examination for locomotive organ〇Sadao Arai
Arai orthopedic clinic

SSY-4

学校健康診断におけるより正確な脊柱側弯症検診のための▶ page108
仕組みづくりに向けて〇Tadakazu Miki
Health Education and Shokuiku Division, Elementary and Secondary Education
Bureau, Ministry of Education, Culture, Sports, Science and Technology‑ 71 ‑

November 6th
R o o m 1

International Case Discussion 2 - ASD-

Luncheon Seminar 3

12:00 〜 13:00

Moderator：Takeshi Maeda（Department of Orthopedic Surgery, Spinal Injuries Center）

LS3

Prevention of complications in adult spinal deformity surgery▶ page133〇Bungo Otsuki
Deparment of Orthopaedic surgery, Graduate School of Medicine, Kyoto University

Sweets Seminar 3

Hemostasis procedure in scoliosis surgery
13:15 〜 14:15

Moderator：Masashi Takaso（Department of Orthopedics Surgery, Kitasato University School of Medicine）

SS3-1

Concepts of spinal ﬂexibility on treatment of adolescent idiopathic▶ page142
scoliosis〇Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，Masaki Ikejiri，Yasuhito Tanaka
Department of Orthopaedic surgery, Nara Medical University

SS3-2

Bleeding countermeasures for scoliosis surgery in the coronavirus▶ page143
era〇Toshiaki Kotani
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital

Oral2-4

Surgical Complication

14:25 〜 15:15

Moderator：Hideki Nagashima（Department of Orthopedic Surgery, Tottori University）

O2-4-1High volume of intraoperative blood loss in corrective surgery
for thoracic kyphosis among patients with adolescent idiopathic▶ page194scoliosis〇Yuta Hosokawa，Tetsuya Ohara，Ryoji Tauchi，Kosuke Takimura，
Taiji Iwasawa，Yosuke Takeichi
Department of Orthopaedic surgery and spinal surgery,Meijo HospitalO2-4-2Intraoperative blood loss during posterior spinal fusion in▶ page195
adolescent idiopathic scoliosis patients at our hospital〇Terue Hatakenaka，Hiroki Oba，Shota Ikegami，Shugo Kuraishi，Masashi Uehara，Takashi Takizawa，Ryo Munakata，Takayuki Kamanaka，
Yoshinari Miyaoka，Tetsuhiko Mimura，Jun Takahashi
Shinshu University Department of Orthopaedic Surgery‑ 72 ‑

Reoperation and its causes in adolescent idiopathic scoliosis▶ page196
1

2

3

1,3

〇Masaaki Iizuka ，Noriaki Kawakami ，Ryoji Tauchi ，Ayato Nohara ，Tetsuya Ohara3，Toshiki Saito2，Takashi Ono1

O2-4-41

Department of Spinal Surgery, JCHO Tokyo Shinjuku Medical Center，2

Department of Orthopedic and Spinal Surgery, Ichinomiyanishi Hospital，3

Department of Orthopedic and Spinal Surgery, Meijo Hospital

Preoperative nutritional intervention in malnourished adult spinal
deformity patients reduces the incidence of postoperative medical▶ page197
complications〇Shin Oe1，Jyun Watanabe2，Tatsuya Akai2，Tomomi Makino2，Midori Ito2，
Yu Yamato1，Tomohiko Hasegawa1，Go Yoshida1，Tomohiro Banno1，
Hideyuki Arima1，Yuki Mihara1，Kouichiro Ide1，Yuh Watanabe1，
Kenta Kurosu1，Yukihiro Matsuyama1
1

Department of Orthopedic Surgery and Division of Geriatric Musculoskeletal

Health, Hamamatsu University School of Medicine，2

Department of Clinical Nutrition Unit, Hamamatsu University School of

MedicineO2-4-5The impact of frailty on the recovery trajectory from the▶ page198
readmission and reoperation following ASD surgery〇Mitsuru Yagi，Satoshi Nori，Satoshi Suzuki，Yohei Takahashi，Osahiko Tsuji，Narihito Nagoshi，Masaya Nakamura，Morio Matsumoto，Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine

O2-4-6

Surgical outcome of revision surgery for proximal junctional failure▶ page199
in adult spine deformity〇Go Yoshida，Tomohiko Hasegawa，Yu Yamato，Tomohiro Banno，Hideyuki Arima，Shin Oe，Yuki Mihara，Koichiro Ide，Yuh Watanabe，Kenta Kurosu，Kenichi Nakai，Yukihiro Matsuyama
Orthopedic Department, Hamamatsu University School of Medicine

O2-4-7

Prospective investigation of perioperative complications after▶ page200
correction surgery for spinal deformity〇Yohei Takahashi，Satoshi Suzuki，Osahiko Tsuji，Satoshi Nori，
Narihito Nagoshi，Mitsuru Yagi，Masaya Nakamura，Morio Matsumoto，
Kota Watanabe
Department of Orthopaedic Surgery, Keio University‑ 73 ‑

November 6th
R o o m 1

O2-4-3

Symposium 4（Video Session） The Challenge of Elderly Spinal Defomity-My Surgical Technique and Special Points15:20 〜 16:50
Moderator：Kazuhiro Hasegawa（Niigata Spine Surgery Center）

SY4-1

Spinal deformity in older adults, how to manage sagittal andcoronal mal-alignment conservatively: tips and tricks▶ page124〇Ibrahim Obeid
Bordeaux university hospital And Clinique du Dos Bordeaux Terrefort,
Bordeaux, France

SY4-2

Surgical technique to achieve the physiological proportion of
postoperative lumbar lordosis in adult spinal deformity surgery▶ page125〇Kentaro Fukuda
Department of Orthopediac Surgery, Saiseikai Yokohamashi Tobu Hospital,
Kanagawa

SY4-3

L5 osteotomy based on the disease state
1

1▶ page126
1〇Takahashi Kobayashi ，Eiji Abe ，Yoshinori Ishikawa ，Kazuma Kikuchi1，
Hayato Kinoshita1，Hajime Murai1，Natsuo Konishi1，Tsuyoshi Kawaraki1，
Naohisa Miyakoshi2
1

Department of orthopedic surgery, Akita Kosei Medical Center，2

Department of Orthopedic Surgery, Akita University Graduate School of Medicine

SY4-4

Tips on correcting adult spinal deformity with minimally invasive▶ page127
technique〇Tomohisa Harada，Satoshi Makio
Spine Center, Rakuwakai Marutamachi Hospital

SY4-5

Dorsal ventral dorsal three stage correction for adult spinal deformity▶ page128〇Kazuyuki Otani，Osamu Nakai，Shigeo Shindo
Department of Orthopaedic Surgery, Kudanzaka Hospital‑ 74 ‑

Room2

2nd day - Saturday, November 6thMorning Seminar 2

8:00 〜 9:00

MS2

What should we select the fusion area for adolescent idiopathic
scoliosis? - What we learned from long-term results and endless▶ page139
discussion 〇Ayato Nohara
The Department of Spine surgery, JCHO Tokyo Shinjuku Medical Center

Oral2-1

AIS Lumbar Curve

9:10 〜 9:55

Moderator：Hideki Murakami（Department of Orthopaedics, Iwate Medical University）

O2-1-1

The impact of overcorrection in the anterior surgery for adolescentidiopathic scoliosis with lumbar modiﬁer A-R curve type▶ page175〇Nobuki Tanaka1，Satoshi Inami1，Hiroshi Moridaira1，Daisaku Takeuchi2，
Tsuyoshi Sorimachi3，Haruki Ueda1，Hiromichi Aoki1，Takuya Iimura2，
Hidekazu Arai1，Satoshi Takada1，Hiroshi Taneichi1
1

Orthopedics, Dokkyo Medical University Hospital，2Nasu Red Cross Hospital，3

O2-1-2

Gotenyama Hospital

Surgical treatment for the Lenke 1 AR curve patterns
1

1▶ page1762〇Satoshi Inami ，Hiroshi Moridaira ，Daisaku Takeuchi ，Tsuyosi Sorimachi3，
Haruki Ueda1，Hiromichi Aoki1，Takuya Iimura1，Hidekazu Arai1，
Nobuki Tanaka1，Satoshi Takada1，Hiroshi Taneichi1
1

Department of Orthopedic Surgery, Dokkyo Medical University，2

Nasu Red Cross Hospital，3Gotenyama HospitalO2-1-3

Male sex and preoperative apical vertebral translation of MT curve
increase risk of MT progression in Lenke 5C AIS surgery.
▶ page177〇Hiroki Ushirozako1,2，Weng Hong Chung3，Mohd Shahnaz Hasan3，Chee Kidd Chiu3，Chris Yin Wei Chan3，Mun Keong Kwan3
1

Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center，2

Department of Orthopaedic Surgery, Hamamatsu University School of Medicine，3

Department of Orthopaedic Surgery (NOCERAL),University of Malaya‑ 75 ‑

November 6th
R o o m 2

Moderator：Katsushi Takeshita（Department of Orthopaedic Surgery, Jichi Medical University）

O2-1-4

Relationship between sacral tilt and coronal alignment parametersin patients with Lenke type 5 adolescent idiopathic scoliosis▶ page178〇Satoshi Takada，Satoshi Inami，Hiroshi Moridaira，Haruki Ueda，
Hiromichi Aoki，Hidekazu Arai，Hiroshi Taneichi
Department of Orthopaedic Surgery, Dokkyo medical university

O2-1-5Inﬂuence on LIV disc wedging by TL/T ration after selective lumbar▶ page179
fusion in patients with AIS Lenke 5〇Ryoji Tauchi，Tetsuya Ohara，Kosuke Takimura，Yuta Hosokawa，
Taiji Iwasawa，Yosuke Takeichi
The Department of Orthopaedic and Spine surgery, Meijo HospitalO2-1-6

Evaluation of cervical sagittal alignment after selective posterior
correction and fusion surgery for patient with Lenke Type5▶ page180
adolescent idiopathic scoliosis〇Toshiki Okubo1,2,3，Satoshi Suzuki2,3，Youhei Takahashi2,3，Osahiko Tsuji2,3，Narihito Nagoshi2,3，Mitsuru Yagi2,3，Masaya Nakamura2,3，Morio Matsumoto2,3，Kota Watanabe2,3
1

Department of orthopaedics surgery, National hospital organization, Murayama

medical center，2

Department of orthopaedics surgery, Keio university school of medicine，3

Keio spine research group

Oral2-2

Adult Adolescent idiopathic Scoliosis and Others

10:00 〜 10:45

Moderator：Norio Kawahara（Department of Orthopedic Surgery, Kanazawa Medical University）

O2-2-1

Changes of SRS-22 score after the correction and fusion surgery for▶ page181
adult patients with idiopathic scoliosis Lenke 1〇Yasuhiro Kamata，Satoshi Suzuki，Yohei Takahashi，Osahiko Tsuji，Satoshi Nori，Narihito Nagoshi，Mitsuru Yagi，Masaya Nakamura，Morio Matsumoto，Kota Watanabe
Department of Orthopaedic Surgery, Keio University School of Medicine

O2-2-2

Evaluation of outcomes of posterior corrective fusion using SRS-22▶ page182
for AIS of Lenke type 5 left behind in adults.
〇Reo Shibata，Satoshi Suzuki，Yohei Takahashi，Osahiko Tsuji，Satoshi Nori，
Narihito Nagoshi，Mitsuru Yagi，Masaya Nakamura，Morio Matsumoto，
Kota Watanabe
Department of Orthopaedics Surgery, Keio University School of Medicine‑ 76 ‑

O2-2-3

Clinical outcomes and disability of daily life of corrective fusion▶ page183surgery down to L4, L5, and pelvis for adult scoliosis〇Hideyuki Arima，Tomohiko Hasegawa，Yu Yamato，Go Yoshida，Tomohiro Banno，Shin Oe，Yuki Mihara，Yuh Watanabe，Keiichi Nakai，Kenta Kurosu，Yukihiro Matsuyama

O2-2-4

Clinical feasibility of completely autologous ﬁbrin glue in surgery▶ page184
for spinal deformity〇Yuki Taniguchi1,2，Yoshitaka Matsubayashi1，Toshiyuki Ikeda3，So Kato1，
Toru Doi1,2，Yasushi Oshima1，Hitoshi Okazaki3，Sakae Tanaka1
1

Department of Orthopedics, the University of Tokyo Hospital，2

Department of Next Generation Locomotive Imaging System, The University ofTokyo，
3

O2-2-5

Department of Blood Transfusion, The University of Tokyo Hospital

The influence of rib resection on pulmonary function in spine▶ page185surgery〇Satoru Demura，Satoshi Kato，Kazuya Shinmura，Noriaki Yokogawa，
Norihiro Oku，Makoto Handa，Ryohei Annen，Motoya Kobayashi，
Yohei Yamada，Ken Nagatani，Hiroyuki Tsuchiya
Department of Orthopedic Surgery, Kanazawa University

O2-2-6

Sagittal imbalance and need for future long-term care: Locomotive
Syndrome and Health Outcomes in the Aizu Cohort Study (LOHAS)▶ page186〇Kazuyuki Watanabe1，Koji Otani1，Miho Sekiguchi1，Takuya Nikaido1，
Kinshi Kato1，Hiroshi Kobayashi1，Ryoji Tominaga2，Yosihiro Kobayashi1，
Shoji Yabuki1，Shin-ichi Kikuchi1，Shin-ichi Konno1
1

Department of Orthopaedic Surgery, Fukushima Medical University，2

Department of Orthopaedic and Spinal Surgery, Aizu Medical Center ofFukushima Medical University

Oral2-3

EOS (Congenital, Nuromuscular and Syndromic)

10:50 〜 11:40

Moderator：Masashi Takaso（Department of Orthopaedic Surgery, Kitasato
University School of Medicine）

O2-3-1

Examination of factors related to growing rod lengthening▶ page187〇Yoshiaki Oda，Haruo Misawa，Tomoko Tetsunaga，Kouji Uotani，Shinichirou Takao，Yuya Kaziki，Toshifumi Ozaki
Orthopedic Department, Okayama University Hospital, Okayama‑ 77 ‑

November 6th
R o o m 2

Department of Orthopedic Surgery, Hamamatsu University School of Medicine

O2-3-2

The spinal growth process after VEPTR surgery for early onset▶ page188
scoliosis〇Satoshi Baba1,2，Noriaki Kawakami2,3，Tetsuya Ohara2，Toshiki Saito2,3，
Ryoji Tauchi2
1

Department of Spinal Surgery, JCHO Tokyo Shinjuku Medical Center，O2-3-32

Department of Orthopaedic / Spine Surgery, Meijo Hospital，3

Department of Orthopaedic / Spine Surgery, Ichinomiyanishi Hospital

An exploratory study of the risk of infection after surgery for▶ page189
neuromuscular scoliosis in children〇Naoyuki Nakamura1，Takako Momose1，Masatoshi Oba1，Wataru Nakamura1，
Yota Katsuyama1，Jiro Machida1，Yutaka Inaba2，Yuichiro Kawabe2

O2-3-41

Dept. of Orthop. Surg., Kanagawa Children's Medical Center.，2

Dept. of Orthopedic Surgery, Yokohama City University

Posterior spinal correction fusion surgery for neuromuscularscoliosis patients who were planning to be treated with Nusinersen▶ page190〇Shinsuke Ikeda1，Masayuki Miyagi1，Wataru Saito1，Ayano Matsui2，
Toshiyuki Nakazawa1，Takayuki Imura1，Eiki Shirasawa1，Akiyoshi Kuroda1，
Ayumu Kawakubo1，Yuji Yokozeki1，Gen Inoue1，Masashi Takaso1
1

Department of Orthopaedic Surgery Kitasato University School of Medicine，2

Department of Orthopaedic Surgery National Center of Neurology andPsychiatryO2-3-5

Incidence of complications for scoliosis surgery with cerebral palsy▶ page191〇Hidemasa Umekoji，Nohara Ayato，Masaaki Iizuka，Syunichi Kishida，Satoshi Baba，Takashi Ono
Department of Spinal Surgery, Tokyo Shinjuku Medical CenterO2-3-6

Tracheomalcia among neuromuscular scoliosis▶ page192〇Yoh Fujimoto，Kazuharu Takikawa
Department of Pediatric orthopedics, Shizuoka Children's HospitalO2-3-7

Risk Factors of Unplanned Return to OR due to Postoperative
Progression of scoliosis in Congenital Scoliosis: Minimum 10-year▶ page193
Follow-up Study〇Noriaki Kawakami1，Hiroko Matsumoto2，Toshiki Saito1，Ryoji Tauchi3，
Tetsuya Ohara3
1

Orthopedics Surgery, Ichinomiyanishi Hospital，

2

Pediatric Orthopedics, Columbia Univercity，3

Orthopedics Surgery, Meijo Hospital‑ 78 ‑

Luncheon Seminar 4

12:00 〜 13:00

Moderator：Kazuhiro Hasegawa（Niigata Spine Surgery Center）

LS4

Perspectives for sagittal proﬁles in pediatric spinal deformity▶ page134

Department of Orthopedic Surgery, Keio University School of Medicine

Sweets Seminar 4

13:15 〜 14:15

Moderator：Haruhisa Yanagida（Department of Orthoapedics & Spine Surgery,Fukuoka Children's Hospital）

SS4

Four-dimensional spinal reconstruction using anatomically pre▶ page144
bent rods in thoracic adolescent idiopathic scoliosis〇Hideki Sudo
Department of Advanced Medicine for Spine and Spinal Cord Disorders, Facultyof Medicine and Graduate School of Medicine, Hokkaido University

Oral2-5

Screening, Conservative Treatment

14:25 〜 15:15

Moderator：Hiroshi Ozawa（Department of Orthopaedic Surgery, Tohoku Medical
and Pharmaceutical University）

O2-5-1

Effectiveness of a mobile Silhouetter system for mass scoliosis▶ page201
screening.
〇Ryo Mizukoshi1，Kazuki Takeda1，Kei Ito1，Tatsuya Yamamoto1，
Yoshio Shinozaki1，You Shiba2，Eisaku Satou3，Ritsu Shiba2，Jun Ogawa1
1

The Department of Spine, Japanese Red Cross Shizuoka Hospital，

2O2-5-2

Shiba Orthopedics surgery，3Oya Orthopedic surgery Clinic

Scoping reviews on the cost of school scoliosis screening▶ page202
1,2〇Masaaki Chazono

O2-5-3

1

Department of Orthopaedic Surgery, Utsunomiya National Hospital，2

Department of Orthopaedic Surgery, The Jikei University School of Medicine

Eﬀectiveness of scoliosis screening using a 3D scanner-based Moire▶ page203
imaging device〇Kota Watanabe1，Katsumi Abe2，Hiroaki Jinguji2，Masamichi Takahashi2，
Masaya Nakamura1，Morio Matsumoto1
1

Department of Orthopedic Surgery, Keio University School of Medicine，

2Tokyo health service association‑ 79 ‑

November 6th
R o o m 2

〇Kota WatanabeO2-5-4

Curve changes after brace treatment in Lenke type1,2 A/B▶ page204
1

1

1

2

〇Masaki Tomori ，Yoshiyasu Arai ，Kyohei Sakaki ，Yu Matsukura
1

Department of Orthopedics, Saiseikai kawaguchi General Hospital，

2O2-5-5

Department of Orthopedics, Tokyo Medical &Dental University

Comparison between brace therapy alone and brace therapy
in combination with exercise therapy for adolescent idiopathic▶ page205
scoliosis〇Ken Yamazaki1，Takayuki Kikuchi2，Satoshi Yoshida3O2-5-61

Iwate Spine, Scoliosis Center，2Kitakami Saiseikai Hospital，3

Yoshida Orthopedic Surgery Clinic

Deep learning predicts the curve progression in adolescent▶ page206
idiopathic scoliosis〇Yasuhito Yahara1,2，Shoji Seki1，Ai Tamura3，Yongbum Lee3，Hiroto Makino1，
Hayato Futakawa1，Katsuhiko Kamei1，Yoshiharu Kawaguchi1
1

Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama，2

Department of Molecular and Medical Pharmacology, Faculty of Medicine,

University of Toyama，3

Graduate School of Health Science, Niigata University

O2-5-7

Marriage and childbirth of patients with operatively andnonoperatively treated adolescent idiopathic scoliosis at a mean
▶ page207
26-year follow-up〇Masayuki Ohashi1，Kei Watanabe1，Toru Hirano2，Kazuhiro Hasegawa3，
Hideki Tashi1，Yohei Shibuya1，Tatsuo Makino1，Hiroyuki Kawashima1
1

Department of Orthopedic Surgery, Niigata University，2

Department of Orthopedic Surgery, Uonuma Kikan Hospital，

3

Niigata Spine Surgery Center

Oral2-6

AIS Thoracic Curve

15:20 〜 16:10

Moderator：Hiroshi Taneichi（Department of Orthopaedic Surgery, Dokkyo Medical University）

O2-6-1

Characteristics of Distal Adding-on in Lenke type 1A and 2A▶ page208
according to last touching vertebra〇Shinji Takahashi，Hidetomi Terai，Hiromitsu Toyoda，Hiroaki Nakamura
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine‑ 80 ‑

O2-6-2

Midterm surgical outcomes of selective thoracic fusion and timedependent change of distal adding-on in Lenke type 1B and 1C▶ page209〇Takeshi Fujii1,2，Satoshi Suzuki1，Yohei Takahashi1，Osahiko Tsuji1，
Satoshi Nori1，Narihito Nagoshi1，Mitsuru Yagi1，Masaya Nakamura1，
Morio Matsumoto1，Kota Watanabe1
Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo,

Japan，
2

Department of Orthopaedic Surgery, Saiseikai Yokohama-shi Tobu HospitalO2-6-3

Evaluation of Shoulder Balance in Adolescent Idiopathic Scoliosis
Lenke Type 2 in Males -Diﬀerences from Females Using Propensity▶ page210
Score Matching〇Naohiro Nakachi，Masaaki Ito，Teppei Suzuki，Koki Uno
National Hospital Organization Kobe Medical CenterO2-6-4

Impact of the correction surgery on upper ribs in patients with▶ page211
thoracic adolescent idiopathic scoliosis〇Yoko Ishikawa，Yuichiro Abe，Terufumi Kokabu，Hiroyuki Tachi，Yasushi Yanagibashi，Takahiko Hyakumachi
Wajo-kai Eniwa hospitalO2-6-5

Post-operative Cobb angle is predictable by the Cobb angle atbending position in adolescent idiopathic scoliosis surgery▶ page212〇Hidetomi Terai，Shinji Takahashi，Hiromitsu Toyoda，Minori Kato，Hiroaki Nakamura
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine, Osaka, Japan

O2-6-6

Which factors affect to deterioration of upper thoracic curve on▶ page213
adolescent idiopathic scoliosis?
〇Takahiro Kawakami，Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，
Yusuke Yamamoto，Yasuhito Tanaka
Nara Medical University, The Department of Orthopaedic Surgery

O2-6-7Comparison of long-term outcomes between selective thoracic
fusion and long fusion in adolescent idiopathic thoracic scoliosis▶ page214〇Ayato Nohara1，Noriaki Kawakami2，Tetsuya Ohara3，Toshiki Saito2，
Ryoji Tauchi3
1

Department of Spine Surgery, JCHO Tokyo Shinjuku Medical Center，2

Department of Spine and Scoliosis Center, Ichinomiya Nishi Hospital，3

Department of Orthopedics and Spine Surgery, Meijo Hospital‑ 81 ‑

November 6th
R o o m 2

1

Hands-on Seminar

2nd day - Saturday, November 6th
Hands-on Seminar2
HS-2

10:00 〜 11:30

Decompression and osteotomy using an ultrasonic scalpel〇Tomohiko Hasegawa
Department of Orthopedic Surgery, Hamamatsu Medical University School of
Medicine‑ 82 ‑

On-demand Streaming
Short Talk1

AIS Thoracic Curve

On-demand Streaming

Questioner：Toru Hirano（Department of Orthopedic Surgery, Niigata University
Medical and Dental Hospital Uonuma Kikan Hospital）
Shoji Seki（Department of Orthopaedic Surgery, University of Toyama）

ST-1-1

Surgical results of upper thoracic curve with Lenke type 2▶ page215
adolescent idiopathic scoliosis〇Tsuyoshi Sakuma1，Toshiaki Kotani1，Tsutomu Akazawa2，Yasushi Iijima1，
Department of Orthopaedic Surgery, Seirei Sakura Citizen Hospital，2

Department of Orthopaedic Surgery, St. Marianna University School of

Medicine，
3

Department of Orthopaedic Sugery, Graduate School of Medicine, Chiba

University

ST-1-2Intraoperative predictive factors of postoperative shoulder balance▶ page216
in Lenke 2 AIS patients〇Akira Matsumura1，Takashi Namikawa1，Masatoshi Hoshino1，Ryosuke Yanai1，
Yusuke Hori1，Masaki Kawamura1，Hiroaki Nakamura2
1

Department of Orthopaedic Surgery, Osaka City General Hospital，2

Department of Orthopaedic Surgery, Osaka City University Graduate School of

Medicine

ST-1-3

Posterior correction surgery using sublaminar tape on concave sideof proximal thoracic curve for Lenke type 2 adolescent idiopathic▶ page217
scoliosis〇Kota Watanabe，Mitsuru Yagi，Satoshi Suzuki，Yohei Takahashi，Satoshi Nori，
Osahiko Tsuji，Masaya Nakamura，Morio Matsumoto
Department of Orthopedic Surgery, Keio University School of Medicine

ST-1-4Upper end vertebra at T1 is a risk factor of postoperative shoulder
imbalance in Lenke type 2A adolescent idiopathic scoliosis▶ page218〇Norihiro Isogai1,2,3，Mitsuru Yagi1,3，Nao Otomo1,2,3，Yoshihiro Maeda1,3，
Satoshi Suzuki1,3，Satoshi Nori1,3，Osahiko Tsuji1,3，Narihito Nagoshi1,3，
Masaya Nakamura1,3，Morio Matsumoto1,3，Kota Watanabe1,3
1

Department of Orthopaedic Surgery, Keio University School of Medicine，2

Department of Orthopaedic Surgery, School of Medicine, International

University of Health and Welfare (IUHW) Mita Hospital，3

Keio Spine Research Group‑ 83 ‑

On-demand
Streaming

Kotaro Sakashita1，Seiji Ohtori3，Shohei Minami1
1

ST-1-5

Difference between segmental screw fixation and skip segment
screw in adolescent idiopathic scoliosis surgery of Lenke type 1 and 2▶ page219〇Yuki Mihara1，Weng Hong Chung2，Chee Kidd Chiu2，Chris Yin Wei Chan2，
Mun Keong Kwan2，Yukihiro Matsuyama1
1

Dept. of Orthopaedic surgery, Hamamatsu University School of Medicine，2

Dept. of orthopaedic surgery, Faculty of medicine, University of Malaya

ST-1-6Long-term clinical outcome of short fusion strategy for Lenke type▶ page220
1A adolescent idiopathic scoliosis〇Soya Kawabata1，Takeshi Fujii2，Satoshi Suzuki3，Yohei Takahashi3，
Satoshi Nori3，Osahiko Tsuji3，Narihiro Nagoshi3，Nobuyuki Fujita1，
Mitsuru Yagi3，Masaya Nakamura3，Morio Matsumoto3，Kota Watanabe3
1

Department of Orthopaedic Surgery, Fujita Health University，2

Department of Orthopaedic Surgery, Saiseikai Yokohamashi Tobu Hospital，3

Department of Orthopaedic Surgery, Keio University

ST-1-7

Correction loss of lower lumbar hemi-curves impacts on
postoperative coronal balance remodeling after selective thoracic▶ page221
fusion for Lenke 1C curves〇Masayuki Ishikawa，Tomohisa Tabata，Mitsuhiro Nishida，Yasuhito Kaneko，Osamu Sekiguchi
Department of Orhopaedic Surgery, Keiyu HospitalST-1-8Changes of shoulder balance and thoracic kyphosis in the surgical▶ page222
correction for Lenke 1A-R and 1A-L
〇Ryota Takatori1，Masateru Nagae1，Taisuke Watanabe2，Tomonori Itsuji3，
Yuichi Shimizu1，Hitoshi Tonomura1，Kenji Takahashi1
1Department of Orthopaedics, Graduate School of Medical Science, Kyoto

Prefectural University of Medicine，2

Department of Orthopedic Surgery, Akashi City Hospital，3

Department of Orthopedic Surgery, Japanese Red Cross Kyoto Daini HospitalST-1-9The use of sublaminar wiring and hooks can provide as much
▶ page223
correction as the pedicle screws for idiopathic scoliosis〇Toshiyuki Ogata，Kentaro Fukuda，Takeshi Fujii，Masahiro Ozaki
Saiseikai Yokohamashi Tobu Hospital‑ 84 ‑

ST-1-10

Modiﬁed rod rotation correction maneuver in Lenke type2▶ page22412

3〇Masayoshi Machida ，Kentaro Fukuda ，Hiroyuki Kato ，Mitsuru Yagi4，
Atsushi Miyake5，Takuya Kawai6，Yosuke Kobayashi6，Masashi Saito7，
Masafumi Machida1
1

The Department of Orthopaedic Surgery, Saitama Children Medical Center，

2

The Department of Orthopaedic Surgery, Saiseikai Yokohama Tobu Hospital，

3

The Department of Orthoaedic Surgery, Tokai University，

4

The Department of Orthopaedic Surgery, Keio University，

5

The Department of Orthopaedic Surgery, National Defense Medical College，

6

The Department of Spine and Spinal Cord Surgery, Yokohama Brain Spine

7

Short Talk2

The Department of Orthopaedic Surgery, Taisei Hospital

AIS Surgery 1

On-demand Streaming

Questioner：Ryuichi Takemasa（Department of Orthopaedic Surgery, Kochi Medical School, Kochi University）
Ikuho Yonezawa（Sangubashi Spine Surgery Hospital）

ST-2-1

Surgical outcome of posterior spinal fusion in severe adolescent▶ page225
idiopathic scoliosis (Cobb angle>80°.)〇Masaki Kawamura1，Akira Matsumura1，Takashi Namikawa1，
Masatoshi Hoshino1，Yuusuke Hori1，Ryosuke Yanai1，Hiroaki Nakamura2
1

Department of Orthopedic Surgery,Osaka City General Hospital，2

Department of Orthopedic Surgery,Osaka City University Graduate School of

Medicine

ST-2-2The efficacy of intraoperative tranexamic acid administrationand simultaneous exposure in double and triple curve adolescent▶ page226
idiopathic scoliosis surgery〇Yasushi Iijima1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Tsutomu Akazawa2，
Shohei Minami1，Seiji Ohtori3
1

Orthopedics surgery, Seirei Sakura Citizen Hospital，2

Orthopedics surgery, St. Marianna university school of medicine，3

Orthopedics surgery, Chiba university school of medicine

ST-2-3

Sagittal spinopelvic alignment after anterior spinal fusion in▶ page227
adolescent idiopathic scoliosis(Lenke Type 5C)〇Shinya Arataki，Yoshihiro Fujiwara，Taro Yamauchi，Masato Tanaka
Department of Orthopaedic Surgery, Okayama Rosai HospitalST-2-4

Both thoracic and lumbar curve fusion for Lenke 3,4,6 adolescent▶ page228
idiopathic scoliosis - A case series of stopping at L3〇Takashi Namikawa1，Akira Matsumura1，Masatoshi Hoshino1，Yusuke Hori1，
Ryosuke Yanai1，Masaki Kawamura1,2，Hiroaki Nakamura2
1

Department of Orthopaedic Surgery, Osaka City General Hospital，2

Department of Orthopaedic Surgery, Osaka City University‑ 85 ‑

On-demand
Streaming

Center，

ST-2-5

Evaluation of pedicle screw perforation rate in idiopathic scoliosis
surgery under intraoperative computed tomography (CT)-support▶ page229〇Takanao Shimabukuro，Hideo Kinjyou，Chikashi Yamakawa，Shogo Fukase，
Hiromichi Oshiro，Yasunori Tome，Kotaro Nishida
Department of Orthopedic Surgery, Graduate School of Medicine, University of
the Ryukyus

ST-2-6

Partial dissection approach of paraspinal muscles for adolescent▶ page230
idiopathic scoliosis surgery〇Shingo Maekawa1，Nobuchika Kawasaki1，Yoshinori Nakata2，
Masashi Takaso3，Toshiki Saito4
1

The Department of Orthopaedic Surgery, Kofu Municipal Hospital，2

Nakata Orthopaedic Clicic，

3

The Department of Orthopaedic Surgery, Kitasato University, School of Medicine，

4

The Department of Orthopaedic Surgery, Spine and Scoliosis Center,

Ichinomiyanishi HospitalST-2-7

Robotic Spine Sugery in Scoliosis Surgery▶ page231〇Sohei Ebara
Spine and Scoliosis Division Shonan Fujisawa Tokushukai HospitalST-2-8'THE CORRECTION BOX' Pre-operative correction method for▶ page232
scoliosis surgery in operation theatre〇Sohei Ebara
Spine and Scoliosis Division Shonan Fujisawa Tokushukai HospitalST-2-9'THE RING' New correction method for scoliosis surgery▶ page233〇Sohei Ebara
Spine and Scoliosis Division Shonan Fujisawa Tokushukai Hospital

Short Talk3

AIS Surgery 2

On-demand Streaming

Questioner：Yoichi Aota（Department of Orthopaedics, Fureai Yokohama Hospital）
Koji Kanzaki（Department of Orthopedic Surgery, Showa University Fujigaoka Hospital）

ST-3-1

Adjacent segment lumbar burst fracture after adolescent idiopathic▶ page234
scoliosis surgery: A case report〇Keiichi Akahori，Masaki Yoshida，Chikako Takeda，Tokumitsu Mihara，Shinji Tanishima，Hideki Nagashima
The Department of Orthopedic Surgery,Tottori University Hospital‑ 86 ‑

ST-3-2

Efficacy of epidural patient-controlled analgesia in pediatric▶ page235
scoliosis surgery〇Noriaki Yokogawa，Satoru Demura，Satoshi Kato，Kazuya Shinmura，Makoto Handa，Ryohei Annen，Motoya Kobayashi，Yohei Yamada，Satoshi Nagatani，Hiroyuki Tsuchiya
Department of Orthopaedic Surgery, Kanazawa University

ST-3-3

Dose posterior correction and fusion to upper thoracic spine cause▶ page236
neck axial pain for adolescent idiopathic scoliosis?
〇Kei Watanabe1，Masayuki Ohashi1，Hideki Tashi1，Yohei Shibuya1，
Tatsuo Makino1，Hiroyuki Kawashima1，Kazuhiro Hasegawa3，Toru Hirano2
1

ST-3-4

Department of Orthopaedic Surgery, Uonuma Kikan Hospital，

3

Niigata Spine Center

Examination of activities of daily living in postoperative AIS
patients using the Japanese version of the Lumbar Stiffness▶ page237
Disability Index〇Taro Okumura1，Takehide Katogi1，Yasushi Iijima2，Tsuyoshi Sakuma2，
Toshiaki Kotani2，Shohei Minami2

ST-3-51

Department of Physical therapy Seirei Sakura Citizen Hospital，2

Department of Orthopedic Surgery Seirei Sakura Citizen Hospital

Pneumothorax after scoliosis surgery; report of 3 cases▶ page238〇Hidetomi Terai，Shinji Takahashi，Hiromitsu Toyoda，Minori Kato，Hiroaki Nakamura
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine

ST-3-6

Eﬀects of posterior fusion surgery on Body Image(BI) of Adolescent▶ page239
Idiopathic Scoliosis(AIS).
〇Takehide Katogi1，Taro Okumura1，Toshiaki Kotani2，Yasushi Iijima2，
Tsuyoshi Sakuma2，Syohei Minami2

ST-3-71

Department of Physical Therapy Seirei Sakura Citizen Hospital，2

Department of Orthopedic Surgery Seirei Sakura Citizen HospitalLongitudinal evaluation of uninstrumented lumbar intervertebral
disc 10 years after posterior spinal fusion for adolescent idiopathic▶ page240
scoliosis using MRI〇Satoshi Suzuki，Mitsuru Yagi，Yohei Takahashi，Satoshi Nori，Osahiko Tsuji，Narihito Nagoshi，Masaya Nakamura，Morio Matsumoto，Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine

ST-3-8Analysis of reciprocal changes in upper cervical profiles after
posterior spinal fusion for adolescent idiopathic scoliosis▶ page241〇Masashi Miyazaki，Toshinobu Ishihara，Tetsutaro Abe，Hiroshi Tsumura
Department of Orthopaedic Surgery, Faculty of Medicine, Oita University‑ 87 ‑

On-demand
Streaming

Department of Orthopaedic Surgery, Niigata University School of Medicine，2

Short Talk4

AIS Assessment

On-demand Streaming

Questioner：Satoru Demura（Department. of Orthopaedic Surgery, University of Kanazawa）
Masashi Miyazaki（Department of Orthopaedic Surgery, Faculty of
Medicine, Oita University）

ST-4-1

Asymmetry of upper limb skeletal muscle in Lenke type 1A▶ page242
adolescent idiopathic scoliosis〇Tetsuro Ohba，Koji Fujita，Kotaro Oda，Nobuki Tanaka，Marina Katsu，Hirotaka Haro
Department of Orthopaedic Surgery, University of Yamanashi

ST-4-2

Correlation between Bone Density, Vertebral Body Wedging and▶ page243
Cobb Angle in Adolescent Idiopathic Scoliosis〇Yohshiro Nitobe，Kanichiro Wada，Toru Asari，Gentaro Kumagai，Yasuyuki Ishibashi
Orthopaedic Surgery, Hirosaki University Graduate School of Medicine

ST-4-3What is the role of preoperative fulcrum bending and supine side
bending radiographs regarding prediction of curve correction?
▶ page244〇Keisuke Masuda1，Hideki Shigematsu2，Akinori Okuda3，Sachiko Kawasaki2，
Yuma Suga2，Yusuke Yamamoto2，Yasuhito Tanaka2
1

The Department of Orthopaedics, Higashiosaka City Medical Center，

2

The Department of Orthopaedics, Nara Medical University，

3

The Department of Emergency and Critical Care Medicine, Nara Medical

University

ST-4-4

Associations between curve severity and Scoliosis ResearchSociety-22 and Scoliosis Japanese Questionnaire-27 scores in▶ page245
female patients with adolescent idiopathic scoliosis〇Toru Doi1，Kei Watanabe2，Ryo Sugawara3，Hirokazu Inoue3，So Kato1，
Yuki Taniguchi1，Yoshitaka Matsubayashi1，Sakae Tanaka1，Yasushi Oshima1，
Katsushi Takeshita3
1

Department of Orthopaedic Surgery, The University of Tokyo，

2

Department of Orthopaedic Surgery, Niigata University Medical and Dental

Hospital，
3ST-4-5

Department of Orthopaedic Surgery, Jichi Medical University

Three-dimensional analysis of intervertebral discs in lumbar spine
after surgery in Lenke type 5 patients with adolescent idiopathic▶ page246
scoliosis〇Shoji Seki，Hiroto Makino，Yasuhito Yahara，Katsuhiko Kamei，Hayato Futagawa，Taketoshi Yasuda，Kenta Watanabe，Yoshiharu Kawaguchi
Department of Orthopaedic Surgery, University of Toyama‑ 88 ‑

ST-4-6

Three-dimensional analysis of intervertebral discs in lumbar spine
after surgery in Lenke type 1 patients with adolescent idiopathic▶ page247
scoliosis〇Shoji Seki，Hiroto Makino，Yasuhito Yahara，Katsuhiko Kamei，Hayato Futagawa，Taketoshi Yasuda，Kenta Watanabe，Yoshiharu Kawaguchi
Department of Orthopaedic Surgery, University of Toyama

ST-4-7

Waistline asymmetry most affects self-image in patients with▶ page248
adolescent idiopathic scoliosis〇Yusuke Yamamoto，Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，
Yasuhito Tanaka

ST-4-8The relationship between skeletal muscle mass, thoracic cagemorphology, and pulmonary function in patients with adolescent▶ page249
idiopathic scoliosis.
〇Kanichiro Wada，Gentaro Kumagai，Toru Asari，Yoshiro Nitobe，
Yasuyuki Ishibashi
Department of Orthopaedic Surgery, Hirosaki University Graduate School of
Medicine

ST-4-9Coronal parameters to evaluate waistline asymmetry in adolescent▶ page250
idiopathic scoliosis〇Yusuke Yamamoto，Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，
Yasuhito Tanaka
Department of Orthopaedic surgery, Nara Medical University

ST-4-10

Characteristics of movements during one-legged stance posturein adolescent idiopathic scoliosis patients - 3-dimensional analysis▶ page251
focusing on balance correction ability〇Natsumi Horikita1,4，Takashi Uemura2，Fuko Murai3，Takayuki Warita4，
Daisuke Sakai5，Hiroshi Yamada2，Seiji Miyazaki2，Masahiko Watanabe51Tokai Univercity Graduate School of Medicine，2

Tokai University School of Physical Education，

3

DKH Co., Ltd，4TUNZ Pharma Co., Ltd.，

5

Dept. of Orthopaedic Surgery, Tokai University School of Medicine‑ 89 ‑

On-demand
Streaming

Department of Orthopaedic surgery, Nara Medical University

Short Talk5

Syndromic Deformity 1

On-demand Streaming

Questioner：Ichiro Kikkawa（Jichi Children's Medical Center Tochigi）
Yu Yamato（Division of Geriatric Musculoskeletal Health, Hamamatsu
University School of Medicine）

ST-5-1

Changes in caregivers' satisfaction with treatment after pediatric▶ page252
neuromuscular scoliosis surgery〇Naoyuki Nakamura1，Takako Momose1，Masatoshi Oba1，Wataru Nakamura1，
Yota Katsuyama1，Jiro Machida1，Yutaka Inaba2，Yuichiro Kawabe2

ST-5-2

1

Dept. of Orthop. Surg., Kanagawa Children's Medical Center.，2

Dept. of Orthopedic Surgery, Yokohama City University

Relationship between scoliosis and hip dislocation in patients with▶ page253
cerebral palsy〇Hiromu Kawakami1,2，Hiroki Oba1，Terue Hatakenaka1，Shugo Kuraishi1，
Shota Ikegami1，Masashi Uehara1，Takashi Takizawa1，Ryo Munakata1，
Takayuki Kamanaka1，Yoshinari Miyaoka1，Noriko Sakai2，Jun Takahashi1
1Department of Orthopaedic Surgery, Shinshu University School of Medicine，2

Department of Orthopedic Surgery, Nagano Children's HospitalST-5-3

Sensory Function for Scoliosis with Syringomyelia and Arnold▶ page254
Chiari I Malformation〇Tomomi Iitsuka1，Ryouji Tauchi2，Kousuke Takimura2，Yuta Hosokawa2，
Taiji Iwasawa2，Yousuke Takeichi2，Toshiki Saito3，Tetsuya Ohara1,2

ST-5-41

Department of Rehabilittion, Meijo Hospital，2

Department of Orthopaedics Surgery, Meijo Hospital，3

Department of Orthopaedics Surgery, Ichinomiya West Hospital

Introduction of preoperative multidisciplinary conferences forscoliosis surgery in severely physically and mentally challenged▶ page255
children〇Misaki Shimura1，Yuumi Tutiya1，Yukina Shimizu1，Mieko Aoyagi1，
Hiroki Oba2，Jun Takahashi2
1

Nursing department, Shinshu University Hospital，2

Orthopedic Surgery, Shinshu University HospitalST-5-5

Changes in feeding and nutritional status after scoliosis surgery in▶ page256
patients with severe cerebral palsy〇Keiko Suzuki，Tetsuya Torio，Fumitaka Kugimiya，Seiji Uogishi，Hiroshi Masaki，Yuuho Kadono
Dept. of orthop.Surg.,Saitama Medical University

ST-5-6

Severe scoliosis and pelvic obliquity in patients with cerebral palsy▶ page257
fused to L5〇Ayato Nohara，Hidemasa Umekoji，Shunichi Kishida，Satoshi Baba，Masaaki Iizuka，Takashi Ono
Department of Spine Surgery, JCHO tokyo Shinjuku Medical Center‑ 90 ‑

Short Talk5

Syndromic Deformity 2

On-demand Streaming

Questioner：Naoyuki Nakamura（Dept. of Orthop. Surg., Kanagawa Children's Medical Center.）Toshiki Saito（Department of Orthopaedics Surgery, Ichinomiya West Hospital）

ST-5-7

Characteristics of poorly corrected cases in the surgical treatment▶ page258of severely handicapped children with scoliosis〇Hiroki Oba，Terue Hatakenaka，Kuraishi Shugo，Shouta Ikegami，Masashi Uehara，Takashi Takizawa，Ryo Munakata，Takayuki Kamanaka，
Yoshinari Miyaoka，Jun Takahashi
Department of Orthopaedic Surgery, University of Shinshu

A comparison of 3 rod and 2 rod constructs in the corrective of▶ page259
severe paediatric scoliosis〇Masayoshi Machida1,2，Brett Rocos2，Jeremie Nallet2，Reinhard Zeller2，
Stephen Lewis 2，David Lebel2ST-5-91

Department of Orthopaedic Surgery, Saitama Children Medical Center，

2

The Department of Orthopaedic Surgery, The Hospital for Sick Children

Characteristics of Intraoperative blood loss in Posterior spinal▶ page260
fusion in non-Adolescent idiopathic scoliosis〇Wataru Saito1,2，Eiki Shirasawa2，Masayuki Miyagi2，Takayuki Imura2，
Toshiyuki Nakazawa2，Yusuke Mimura2，Yuji Yokozeki2，Akiyoshi Kuroda2，
Sho Inoue2，Ayumu Kawakubo2,3，Gen Inoue2，Masashi Takaso2
1

Kitasato University Medical Center，

2

The Department of Orthopaedic surgery, Kitasato University School of medicine，

3ST-5-10

Zama General hospital

Surgical outcomes of scoliosis associated with Rett syndrome▶ page261〇Tomoya Kanto，Hiroshi Moridaira，Satoshi Inami，Haruki Ueda，
Hiromichi Aoki，Hidekazu Arai，Nobuki Tanaka，Satoshi Takada，Hirosi Taneichi
Department of Orthopeadic Surgery,Dokkyo Medical University

ST-5-11

Risk Factors for Perioperative Cardiovascular Events in Patientswith Scoliosis Combined with Congenital Heart Disease▶ page262〇Yoshitaka Suzuki1，Noriaki Kawakami2，Tetsuya Ohara3，Sachiko Inukai4，
Atsushi Terasawa5，Ryoji Tauchi3，Aya Sekigami6，Koji Sato7
1

Department of Orthopedic Surgery, Nagoya Central Hospital，2

Department of Orthopedic and Spine Surgery, Ichinomiyanishi Hospital，3

Department of Orthopedic and Spine Surgery, Meijo Hospital，

4

Department of Pediatrics, Nagoya Daini Redcross Hospital，

5

Department of Anesthesiology, Nagoya Daini Redcross Hospital，

6

Department of Operation, Nagoya Daini Redcross Hospital，

7

Department of Orthopedic Surgery, Nagoya Daini Redcross Hospital‑ 91 ‑

On-demand
Streaming

ST-5-8

ST-5-12

Correction of scoliosis in Marfan syndrome with zero screw density:▶ page263
A case report〇Masatake Ino，Takachika Shimizu，Keisuke Fueki，Naofumi Toda，
Masatoshi Ono
Department of Orthopaedic Surgery, Gunma Spine Center (Harunaso Hospital)

Short Talk6

ASD Surgery 1

On-demand Streaming

Questioner：Satoshi Inami（Department of Orthopeadic Surgery,Dokkyo Medical University）
Masaaki Chazono（Department of Orthopaedic Surgery, Utsunomiya National Hospital）

ST-6-1

Evaluation of intraoperative coronal alignment using ComputerAssisted Rod Bending System in adult spine deformity surgery▶ page264〇Takumi Takeuchi，Kazumasa Konishi，Hideto Sano，Masato Takahashi，
Shoichi Ichimura，Naobumi Hosogane
Department of Orthopedic Surgery, Kyorin University School of Medicine

ST-6-2

Results of surgical treatment for osteoporotic vertebral fracturewith delayed paralysis using sacral alar-iliac screw : a single center▶ page265experience〇Shunsaku Takigami，Yoshiaki Hiranaka，Masaaki Ito，Teppei Suzuki，Kohei Kawakita，Kokichi Uno
The Department of Orthopedics, Kobe Medical Center

ST-6-3

Assessment of intraoperative coronal spinal alignment with semiautomatic three-dimensional spinal rod bender system for adult▶ page266
spine deformity cases〇Masanari Takami1，Hiroshi Hashizume1，Hiroshi Iwasaki1，Syunji Tsutsui1，
Keiji Nagata1，Ryo Taiji1，Shizumasa Murata1，Takuhei Kozaki1，
Yasutsugu Yukawa2，Hiroshi Yamada1
1

Department of Orthopaedic Surgery, Wakayama Medical University，

2

ST-6-4

Department of Orthopaedic Surgery, Nagoya Kyoritsu Hospital

Anterior Column Realignment (ACR): 2-year follow-up of the initial▶ page267
9 cases〇Kenyu Ito1，Tokumi Kanemura1，Hiroaki Nakashima2，Kotaro Satake1，
Mikito Tsushima1，Hiroyuki Koshimizu2，Jun Ouchida2，Yoshinori Morita2，
Yukihito Ode1，Shiro Imagama2
1

Konana Kosei Hospital，2Nagoya University Graduate School of Medicine

ST-6-5

Clinical results of circumferential MIS using LIF and PPS for adult▶ page268
scoliosis〇Masayuki Ishihara，Shinichirou Taniguuchi，Masaaki Paku，Yoichi Tani，Takashi Adachi，Muneharu Ando，Takanori Saito
Depertment of Orthopaedic surgery, Kansai Medial University‑ 92 ‑

ST-6-6

Vertebral column resection for patients with spinal deformity after▶ page269
traumatic spinal injuries〇Kensuke Kubota，Takeshi Maeda
Department of Orthopedic Surgery, Spinal Injuries Center

ST-6-7The usefulness of Minimally Invasive Technique for Wide Range▶ page270
Corrective Fixation of Adult Spinal Deformity〇Yusuke Chiba，Hideki Murakami，Hirooki Endo，Daisuke Yamabe，
Ryosuke Oikawa，Hirotaka Yan，Minoru Doita
The department of Orthopaedics, Iwate Medical University

ST-6-8〇Takashi Kaito，Shota Takenaka，Takahito Fujimori，Yuya Kanie，Seiji Okada
Department of Orthopaedic Surgery, Osaka University Graduate School of
Medicine

Short Talk7

ASD Surgery 2

On-demand Streaming

Questioner：Ken Ishii（International University of Health and Welfare）
Hideo Hosoe（Hirano General Hospital）

ST-7-1Treatment results of lumbosacral fusion for lumbar degenerative▶ page272
posterior scoliosis with lumbar spinal stenosis〇Kyotaro Ota，Taichi Tsuji
Department of Orthopedic Surgery, Toyota Kosei Hospital

ST-7-2Treatment results of lumbosacral fusion for lumbar degenerative
posterior scoliosis with lumbar spinal canal stenosis -Alignment▶ page273
comparison〇Kyotaro Ota，Taichi Tsuji
Department of Orthopedic Surgery, Toyota Kosei Hospital

ST-7-3The changes of Pelvic tilt and lower limb after lumbosacral fusion▶ page274〇Kenyu Ito1，Tokumi Kanemura1，Kotaro Satake1，Hiroaki Nakashima2，
Hiroyuki Koshimizu2，Jun Ouchida2，Yoshinori Morita2，Yukihide Ode1，
Shiro Imagama2
1

Konan Kosei Hospital，

2

ST-7-4

Nagoya University Hospital Graduate School of Medicine

Clinical assessment of patients with adult idiopathic scoliosis who▶ page275
underwent spinal fusion.
〇Takuya Mishiro
Department of Orthopaedic Surgery, Takamatsu Red Cross Hospital‑ 93 ‑

On-demand
Streaming

PLIF with Large footprint cages and CBT pedicle screws. A
comparative study with conventional cages at postoperative 5▶ page271
yearsST-7-5

Treatment strategy for drop head

▶ page276〇Takashi Kaito
Department of Orthopaedic Surgery, Osaka University Graduate School of
Medicine

ST-7-6Predictors of ADL restriction after correction surgery for adult▶ page277
spinal deformity〇Masayuki Ishihara，Shinichirou Taniguuchi，Masaaki Paku，Yoichi Tani，Takashi Adachi，Muneharu Ando，Takanori Saito
Depertment of Orthopaedic surgery, Kansai Medial University

ST-7-7

Difference in Impact of Spinal Fusion on Activity of Daily Living
between US and Japanese Adult Spinal Deformity Patients▶ page278〇Naobumi Hosogane1,6,7，Mitsuru Yagi2,6,7，Christopher Ames3,6，
Virginie Lafage4,6，Hitoshi Kono5,7，Masahito Takahashi1，Hideto Sano1，
Takumi Takeuchi1，Kazumasa Konishi1，Shoichi Ichimura1
1

Department of Orthopedic Surgery, Kyorin University，

ST-7-82

Department of Orthopedic Surgery, Keio University，3

University of California, San Francisco，

4

Hospital for Special Surgery，5Keiyu Orthopedic Hospital，6ISSG，7KSRG

Change of pelvic incidence and pelvic ring ratio after lumbosacral▶ page279
fusion〇Hiroaki Nakashima1,3，Noriaki Kawakami2,3，Tetsuya Ohara3，Toshiki Saito2,3，
Ryoji Tauchi3，Shiro Imagama1

Short Talk8

1

Orthopedic Department, Nagoya University Graduate School of Medicine，2

Department of Orthopedics and Spine Surgery, Ichinomiyanishi Hospital，3

Meijo Hospital Orthopedics and Spine Center

ASD Surgical Complication

On-demand Streaming

Questioner：Masato Tanaka（Department of Orthopedic Surgery, Okayama Rosai Hospital）
Takahiro Iida（Department of Orthopaedic Surgery Spine Center, Teine Keijinkai Hospital）

ST-8-1The efficacy of junctional tether weave technique for preventing▶ page280
PJF after adult deformity surgery〇Keishi Maruo，Fumihiro Arizumi，Kazuya Kishima，Norichika Yoshie，Tomoyuki Kusukawa，Toshiya Tachibana
Department of Orthopaedic Surgery, Hyogo College of Medicine

ST-8-2Analysis of mechanical complications using GAP score after adultspinal deformity surgery with LLIF and posterior fusion ▶ page281〇Akihiko Hiyama，Daisuke Sakai，Hiroyuki Katoh，Masato Sato，
Masahiko Watanabe
Department of Orthopaedic Surgery, Tokai University School of Medicine‑ 94 ‑

ST-8-3

Revision spine deformity surgery -10 years or longer after primary▶ page282
procedure〇Masatoshi Inoue1，Hidehisa Torikai1，Keigo Enomoto1，Yoshinori Nakata2，
Kazuhide Inage3，Seiji Ohtori3
1

Department of Orthopedic Surgery, Chiba Saiseikai Narashino Hospital，

2ST-8-4

Nakata Orthopedic Clinic，3Department of Orthopedic Surgery, Chiba University

Multi-rod constructs can prevent rod breakage in adult spinal▶ page283
deformity surgery〇Yoshiaki Hiranaka，Koki Uno，Kohei Kawakita，Teppei Suzuki，Masaaki Ito
The Department of Orthopaedic Surgery, National Hospital Organization Kobe

ST-8-5

Clinical results of short fusion using MISt for adult spinal deformity▶ page284
and risk factors for mechanical failure after surgery〇Masayuki Ishihara，Shinichirou Taniguchi，Masaaki Paku，Yoichi Tani，Takashi Adachi，Muneharu Ando，Takanori Saito
Depertment of Orthopaedic surgery, Kansai Medial University

ST-8-6

A study of cases of rod fracture after spinal fusion surgery▶ page285〇Yutaro Shimooki，Hideki Murakami，Hirooki Endo，Daisuke Yamabe，Yusuke Chiba，Ryosuke Oikawa，Hirotaka Yan，Minoru Doita
Department of Orthopedics, Iwate Medical University

ST-8-7

Mechanical Failure of Pan-Lumbar Spinal Arthrodesis for Adult
Spinal Deformity: PLIF / TLIF vs. LIF combined with L5/S PLIF
▶ page286〇Kotaro Satake1，Tokumi Kanemura1，Kenyu Ito1，Hiroaki Nakashima2，
Shiro Imagama2
1

Spine Center, Konan Kosei Hospital，

2ST-8-8Department of Orthopedic Surgery, Nagoya University

Pulmonary embolism in adult spinal deformity surgery. A case▶ page287
reports.
〇Katsuhito Kiyasu，Nobuaki Tadokoro，Naoki Aoyama，Ryuichi Takemasa，Masahiko Ikeuchi
Department of Orthopaedics Surgery, Kochi Medical School

ST-8-9Late-onset neurologic sequelae following lumbosacral fusion for▶ page288
adult spinal deformity after long term period〇Toshiki Saito1，Noriaki Kawakami1，Tomoyuki Ohsato1，Tetsuya Ohara2，
Ryoji Tauchi2
1

The Spine and Scoliosis Center, Ichinomiyanishi Hospital，2

Dept of Orthop. and Spine Center, Meijo Hospital‑ 95 ‑

On-demand
Streaming

Medical Center

Short Talk9

ASD and Others

On-demand Streaming

Questioner：Kanichiro Wada（Orthopaedic Surgery, Hirosaki University Graduate School of Medicine）
Takanori Saito（Kansai Medical University Orthopedic Surgery）

ST-9-1Finite element analysis for mechanism of occasional ALL rupture
with posterior correction procedure for adult spinal deformity▶ page289
using LLIF
〇Hiroki Takeda1，Yuichiro Abe1,3，Sota Nagai2，Soya Kawabata2，Daiki Ikeda2，
Tatsushi Inoue1，Nobuyuki Fujita2，Shinjiro Kaneko1
1

Department of spine and spinal cord surgery, Fujita Health University，

ST-9-22

Department of orthopedic surgery, Fujita Health University，3

Department of orthopedic surgery, Eniwa Hospital

Chronological change of gait and balance ability after adult spinal▶ page290
deformity surgery〇Masato Tanaka1，Taro Yamauchi1，Shinya Arataki1，Yoshihiro Fujiwara1，
Tomoyoshi Sakaguchi2
1

The Orthopedic Surgery Department, Okayama Rosai Hospital, Okayama，

2ST-9-3The Rehabiritation Department of Okayama Rosai Hospital

Changes in Muscle Activity of Trunk and Lower Limbs in Adult▶ page291
Spinal Deformity during Gait
〇Hiromichi Aoki，Satoshi Inami，Hiroshi Moridaira，Daisaku Takeuchi，Haruki Ueda，Hutoshi Asano，Takuya Iimura，Hidekazu Arai，Tomoya Kantou，Satoshi Takada，Hiroshi Taneichi
Department of Orthopaedic Surgery, Dokkyo Medical University

ST-9-4

Optimal postural fixation angle for lateral interbody fusion-Analysis of vertebral rotation in adult spinal deformity cases using▶ page292
3D images〇kohei Okuyama1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Kotaro Sakashita1，Tsutomu Akazawa2，Shohei Minami1，Kazuhide Inage3，
Yasuhiro Shiga3，Seiji Ohtori3
1

Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，2

Department of Orthopedic Surgery, St. Marianna University, School of Medicine，3

Department of Orthopedic Surgery, Chiba University, Graduate School of

Medicine

ST-9-5The impact of Duloxetine for chronic low back pain in elderly
patients with osteoporosis and spinal sagittal malalignment▶ page293〇Yusuke Mimura，Masayuki Miyagi，Kosuke Murata，Tomohisa Koyama，
Akiyoshi Kuroda，Eiki Shirasawa，Wataru Saito，Takayuki Imura，Toshiyuki Nakazawa，Gen Inoue，Masashi Takaso
Department of Orthopaedic Surgery, Kitasato University, School of Medicine‑ 96 ‑

ST-9-6

Association between the stenosis level and the characteristics of▶ page294
curvature in degenerative lumbar scoliosis〇Hiroto Makino，Shoji Seki，Taketoshi Yasuda，Yasuhito Yahara，
Hayato Futakawa，Katsuhiko Kamei，Yoshiharu Kawaguchi
The Department of Orthopaedic Surgery, University of Toyama

ST-9-7

Can the knee ﬂexion angle be predicted from the total spinal X-ray?
▶ page295〇Kenyu Ito1，Tokumi Kanemura1，Yujiro Kagami1，Jun Ouchida2，
Kotaro Satake1，Hiroaki Nakashima2，Mikito Tsushima1，Hiroyuki Koshimizu2，
Yoshinori Morita2，Yukihide Ode1，Shiro Imagama2
1

Konan Kosei Hospital，Orthopaedic Surgery, Nagoya University School of Medicine

ST-9-8Does Body Mass Index Aﬀect Spinal Alignment and Low Back Pain
▶ page296
in Patients with Primary Osteoporosis?
〇Sho Inoue1，Masayuki Miyagi1，Kosuke Murata1，Tomohisa Koyama1，
Ayumu Kawakubo1，Seiji Ohtori2，Kazuhide Inage2，Kentaro Uchida1，
Gen Inoue1，Masashi Takaso1
1

Department of Orthopedic Surgery, Kitasato University School of Medicine，2

Department of Orthopedic Surgery, Graduate School of Medicine, Chiba

University

ST-9-9The prevalence and the relationships between spinal sagittalalignment and neuropathic pain in osteoporosis patients▶ page297〇Akiyoshi Kuroda，Masayuki Miyagi，Kosuke Murata，Tomohisa Koyama，
Ayumu Kawakubo，Yuji Yokozeki，Motoki Makabe，Gen Inoue，Masashi Takaso
Department of Orthopedics Surgery Kitasato University School of Medicine

Short Talk10 Screening, and Conservative Treatment

On-demand Streaming

Questioner：Kenta Fujiwara（Doi Orthopaedic Clinic）
Takuya Yamamoto（Japanese Red Cross Kagoshima Hospital）

ST-10-1

What factor induces stress of patients with AIS under bracetreatment? -Analysis of specific factor using exploratory factor▶ page298
analysis.
〇Tomoyuki Asada1，Toshiaki Kotani2，Takahiro Sunami1，Kosuke Sato1，
Tsuyoshi Sakuma2，Keita Nakayma1，Yasushi Iijima2，Tsutomu Akazawa4，
Shohei Minami2，Seiji Ohtori3，Masao Koda2，Masashi Yamazaki2
1

Dept. of orthopaedic surgery, University of Tsukuba，

2

Department of Orthopedic surgery, Seirei Sakura Citizen Hospital，3

Department of Orthopedic surgery, Chiba University, Graduate School of

Medicine，
4

Department of Orthopedic surgery, St. Marianna University School of Medicine‑ 97 ‑

On-demand
Streaming2

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An algorithm for using deep learning convolutional neuralnetworks with three dimensional depth sensor imaging in scoliosis▶ page299
detection〇Terufumi Kokabu1,6，Satoshi Kanai2，Noriaki Kawakami3，Koki Uno4，
Toshiaki Kotani5，Teppei Suzuki4，Hiroyuki Tachi1,6，Yuichiro Abe6，
Norimasa Iwasaki1，Hideki Sudo1
1

Department of Orthopaedic Surgery, Faculty of Medicine and Graduate Schoolof Medicine, Hokkaido University，
2

Division of Systems Science and Informatics, Hokkaido University Graduate

School of Information Science and Technology, Sapporo, Hokkaido, Japan，
3

Department of Orthopaedic Surgery, Ichinomiyanishi Hospital, Ichinomiya,

Japan，
4

Department of Orthopaedic Surgery, National Hospital Organization, Kobe

Medical Center, Kobe, Japan，
5

Department of Orthopaedic Surgery, Seirei Sakura Citizen Hospital, Sakura,

Japan，6Eniwa Hospital, Eniwa, Hokkaido, Japan,

ST-10-3

The results of school scoliosis screening by Moire topogrephy in▶ page300
Osaka prefecture〇Hiromitsu Toyoda，Hidetomi Terai，Shinji Takahashi，Hiroaki Nakamura
Department of Orthopaedic Surgery, Osaka City University Graduate School of
Medicine.

ST-10-4

Predictive factors for nighttime bracing treatment outcome in▶ page301
adolescent idiopathic scoliosis〇Naoya Taki1，Hideaki Watanabe1，Ichiro Kikkawa1，Katsushi Takeshita2
1

Department of Pediatric Orthopedic Surgery, Jichi Children's Medical Center，2

Department of Orthopedic Surgery, Jichi Medical University

ST-10-5

The results of patient's survey against modified Osaka Medical▶ page302
College brace for adolescent idiopathic scoliosis〇Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，Yusuke Yamamoto，Yasuhito Tanaka
Department of Orthopaedic surgery, Nara Medical University

ST-10-6

Analysis of psychological stress in scoliosis brace therapy using the▶ page303
JBSSQ-brace〇Minako Osaki1，Hiromi Kimura1，Toshiaki Kotani2，Tsuyoshi Sakuma2，
Yasushi Iijima2，Keita Nakayama3，Tomoyuki Asada3，Tsutomu Akazawa4，
Shohei Minami2
1

Seirei Sakura Citizen Hospital，2Seirei Sakura Citizen Hospital，3

University of Tsukuba Hospital，4St.Marianna University School of Medicine‑ 98 ‑

ST-10-7

Usability of telemedicine in the treatment of patients with scoliosis▶ page304〇Kota Watanabe，Mitsuru Yagi，Satoshi Suzuki，Yohei Takahashi，Satoshi Nori，
Narihito Nagoshi，Masaya Nakamura，Morio Matsumoto
Department of Orthopedic Surgery, Keio University School of Medicine

Short Talk11

Diagnosis and Evaluation 1

On-demand Streaming

Questioner：Yuichiro Abe（Wajo-kai Eniwa hospital）
Naohisa Miyakoshi（Department of Orthopedic Surgery, Akita
University Graduate School of Medicine）

Predictors of postoperative deterioration in pulmonary function inadolescent idiopathic scoliosis: A prospective study using biplanarstereoradiographic 3-dimensional reconstruction image▶ page305〇Masaaki Machino1,3，Noriaki Kawakami2，Tetsuya Ohara3，Toshiki Saito2，
Ryoji Tauchi3，Shiro Imagama1
1

Department of Orthopedic Surgery, Nagoya University Graduate School of

Medicine，

ST-11-2

2

Department of Orthopedics and Spine Surgery, Ichinomiyanishi Hospital，3

Department of Orthopedics and Spine Surgery, Meijo HospitalComparison of standing motion analysis of adult spinal deformity
patients and healthy volunteers using the markerless mobile▶ page306
motion capture system.
〇Kenta Kurosu1，Go Yoshida1，Yu Yamato2，Tomohiko Hasegawa1，
Tomohiro Banno1，Hideyuki Arima1，Shin Oe2，Yuki Mihara1，Koichiro Ide1，
Yuh Watanabe1，Keiichi Nakai1，Yukihiro Matsuyama1
1

Department of Orthopedic Surgery, Hamamatsu University School of Medicine，2

Department of Orthopedic Surgery and Division of Geriatric Musculoskeletal

Health Hamamatsu University School of Medicine

ST-11-3

Height differences of body surface before and after posterior▶ page307
corrective fusion for adolescent idiopathic scoliosis〇Kota Watanabe，Mitsuru Yagi，Satoshi Suzuki，Yohei Takahashi，Satoshi Nori，
Osahiko Tsuji，Narihito Nagoshi，Masaya Nakamura，Morio Matsumoto
Department of Orthopedic Surgery, Keio University School of Medicine‑ 99 ‑

On-demand
Streaming

ST-11-1

ST-11-4

Measurement of postoperative apical vertebral rotation using
radiographic images - Quantitative evaluation using inverse▶ page308
trigonometric functions〇Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，Kotaro Sakashita1，
Kohei Okuyama1，Tsutomu Akazawa2，Shohei Minami1，Kazuhide Inage3，
Seiji Ohtori3
1

Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，

2

St. Marianna University, School of Medicine, Department of Orthopedic Surgery，

3

Chiba University, Department of Orthopedic Surgery

ST-11-5

Trunk inclination during walking in the elderly by ODI -Analyses▶ page309
using KINECT〇Yuh Watanabe1，Yu Yamato1,2，Tomohiko Hasegawa1，Go Yoshida1，
Tomohiro Banno1，Hideyuki Arima1，Yuki Mihara1，Shin Oe1,2，Koichiro Ide1，
Kenta Kurosu1，Keiichi Nakai1，Yukihiro Matsuyama1
1

Department of Orthopedic Surgery, Hamamatsu Medical University School of

Medicine，
2

Division of Geriatric Musculoskeletal Health, Hamamatsu University School of

Medicine

ST-11-6

A new method for measuring axial rotation of apical vertebra in▶ page310
idiopathic scoliosis〇Nozomu Ohtomo，Yuki Taniguchi，Keiichiro Tozawa，Yuichi Yoshida，Kosei Nagata，Hideki Nakamoto，So Kato，Toru Doi，Yoshitaka Matsubayashi，Yasushi Oshima
Department of Orthopaedic Surgery, Faculty of Medicine, The University ofTokyo

ST-11-7

Static and dynamic sagittal lumbar apex: a new concept for theassessment of lumbar lordosis distribution in spinal deformity▶ page311〇Chizuo Iwai1,2，Javier Pizones3，Louis Boissiere2，Sreenath Jakinapally2，
Caglar Yilgor4，Daniel Larrieu2，Ferran Pellise5，Jean Marc Vital2，
Anouar Bourghli6，Satoshi Nozawa1，Kazunari Yamada1，
Haruhiko Akiyama1，Ibrahim Obeid2
1

Department of Orthopaedic Surgery, Gifu University Graduate School of

Medicine, Gifu, Japan，2Spine Unit 1, Bordeaux University Hospital, Place Amelie, Raba-Leon, 33076

Bordeaux, France，
3

Spine Surgery Unit, Hospital Universitario La Paz, Madrid, Spain，4Spine Surgery Unit, Acibadem Maslak Hospital, Istanbul, Turkey，

5Spine Surgery Unit, Hospital Universitario Val Hebron, Barcelona, Spain，

6

Orthopedic and Spinal Surgery Department, Kingdom Hospital, Riyadh, Saudi

Arabia‑ 100 ‑