PROGRAM
Room 1

1st day - Friday, November 4th
General Presentation 1-1

Adult Spinal Deformity

9:00 ～ 9:56

Moderator：Gen Inoue（Kitasato University）
O1-1-1Comparative study of self-image domain of SRS-22 between adult▶ page189
idiopathic scoliosis and de novo scoliosis○Hiroshi Taniwaki，Akira Matsumura，Yuki Kinoshita，Junichi Shirakawa，Masatoshi Hoshino，Takashi Namikawa
Department of Pediatric Orthopedic Surgery, Osaka City General Hospital,
Scoliosis centerO1-1-2

Residual low back pain following adult spinal deformity surgery▶ page190○Maruo Keishi，Fumihiro Arizumi，Kazuya Kishima，Norichika Yoshie，Tomoyuki Kusukawa，Toshiya Tachibana
Department of Orthopaedic Surgery, Hyogo Medical University

O1-1-3The effect of age-adjusted sagittal alignment on the result of▶ page191
decompression surgery for the lumbar spinal stenosis○Momotaro Kawai，Mitsuru Yagi，Satoshi Suzuki，Masahiro Ozaki，Yohei Takahashi，Osahiko Tsuji，Narihito Nagoshi，Morio Matsumoto，
Masaya Nakamura，Kota Watanabe
Department of Orthopaedic Surgery, Keio University School of Medicine

O1-1-4

Impacts of Postoperative Symptom Improvement and Disability of
Activities of Daily Living on Treatment Satisfaction in Adult Spinal▶ page192
Deformity Surgery○Hideyuki Arima1,2，Daisuke Togawa3，Tomohiko Hasegawa1，Yu Yamato1，
Go Yoshida1，Tomohiro Banno1，Shin Oe1，Koichiro Ide1，Tomohiro Yamada1，
Keiichi Nakai1，Kenta Kurosu1，Yukihiro Matsuyama1
1
Department of Orthopedic Surgery, Hamamatsu University School of Medicine，2
Next Generation Creative Education Center for Medicine, Engineering, andInformatics, Hamamatsu University School of Medicine，3
Department of Orthopedic Surgery, Kinki University Nara HospitalO1-1-5

Does postoperative segmental lordosis affect spinal sagittalbalance and the patient-reported outcomes in single level lumbar▶ page193
posterior in situ fusion?

○Hiramatsu Sho1,2，Hiromi Ataka1，Tetsuro Nakazawa1，Akiyoshi Kuroda2，
Sho Inoue2，Masashi Takaso2，Takaaki Tanno1
1Matsudo Seikei Hospital，2Department of Orthopaedics, Kitasato University－ 56 －

How Effective is Therapeutic Exercise for Back Pain in the Patients▶ page194
with Adult Spinal Deformity?

○Tatsuya Endo，Osamu Shirado
Departments of Orthopaedic & Spinal Surgery/ Rehabilitation, AMEC (Aizu
Medical Center) at Fukushima Medical University

O1-1-7

Prevention of progression of posterior pelvic tilt with back▶ page195
strengthening exercise and its effect on QOL○Michio Hongo，Yuji Kasukawa，Daisuke Kudo，Ryota Kimura，Naohisa Miyakoshi
Department of Orthopedic Surgery, Akita University Graduate School of Medicine

General Presentation 1-2

Adult Spinal Deformity

10:00 ～ 10:48

Moderator：Yu Yamato（Hamamatsu University School of Medicine）
O1-2-1

FEA for mechanism of occasional ALL rupture with posterior
correction procedure for ASD Using LLIF -analysis regarding cage
▶ page196
location-○Hiroki Takeda1，Yuichiro Abe1,3，Takaya Imai2，Kurenai Hachiya2，Sota Nagai2，
Soya Kawabata2，Nobuyuki Fujita2，Shinjiro Kaneko1
1
Department of Spine and Spinal Cord Surgery，Fujita Health University
2
Departmant of Orthopedic Surgery of Fujita Health University，3Eniwa HospitalO1-2-2Prevention of rod fracture using multi-rod construct over 5 years▶ page197○Yu Yamato1，Tomohiko Hasegawa2，Go Yoshida2，Tomohiro Banno2，Shin Oe1，
Hideyuki Arima2，Kouichirou Ide2，Tomohiro Yamada2，Kenta Kurosu2，
Keiichi Nakai2，Yukihiro Matsuyama2
1
Division of Geriatric Musculoskeletal Health, Hamamatsu University School of
Medicine，2
Department of Orthopaedic Surgery, Hamamatsu University School of Medicine

O1-2-3Unplanned Return to the Operating Room Following Primary▶ page198
Definitive Fusion for Adult Spinal Deformity○Hiroaki Nakashima1，Masaaki Machino1，Sadayuki Ito1，Naoki Segi1，
Tokumi Kanemura2，Kenyu Ito2，Tetsuya Ohara3，Ryoji Tauchi3，
Ryuichi Shinjyo4，Shiro Imagama1
1
Department of Orthopaedcis, Nagoya University School of Medicine，2
Department of Orthopaedics, Konan Kosei Hospital，3
Department of Orthopaedics, Meijyo Hospital，
4
Department of Orthopaedics, Anjyo Kosei Hospital－ 57 －

November 4th
R o o m 1

O1-1-6

O1-2-4

The discriminatory ability of the formulas for lumbar lordosis
targets to predict mechanical complication after adult spinal▶ page199
deformity surgery○Satoshi Inami1，Tomoya Kanto1，Hiroshi Moridaira1，Daisaku Takeuchi2，
Haruki Ueda1，Hiromichi Aoki3，Takuya Iimura2，Hidekazu Arai1，
Satoshi Takada1，Tsuyoshi Sorimachi3，Hiroshi Taneichi1
1
Department of orthopedic surgery, Dokkyo medical university，2
Department of orthopedic surgery, Nasu red cross hospital，3
Department of orthopedic surgery, Gotennyama hospitalO1-2-5

Relationship between Hounsfield Units of Upper Instrumented
Vertebrae, PJF, and GAP Score in Female Patients with Adult Spinal▶ page200
Deformity○Akihiko Hiyama，Daisuke Sakai，Hiroyuki Katoh，Masahiko Watanabe
Department of Orthopaedic Surgery, Tokai University School of Medicine

O1-2-6

Risk factor for allogenic transfusion in adult spinal deformity▶ page201
surgery○Yasushi Iijima1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Tsutomu Akazawa2，
Shohei Minami1，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 of Graduate School of
Medicine

Yamada & Inoue Memorial Lecture

11:00 ～ 12:00

Moderator：Masashi Takaso（Kitasato University）
ML1

The treatment of dysplastic spondylolisthesis by reduction and AIS
by short fusion --Learn from textbook、and have a critical eye-▶ page137○Nohara Yutaka
Professor Emeritus,Dokkyo Medical University; Honorary Director, Nagareyama
CentralML2

Scoliosis in children - History of treatment improvement and tasks▶ page138
for the future○Nobumasa Suzuki
Medical Scanning Tokyo－ 58 －



12:10 ～ 13:10

Moderator：Seiji Ohtori（Chiba University）
LS1-1

The evolution of spinal instrumentation for scoliosis▶ page167○Shohei Minami
Seirei Sakura Citizen Hospital

LS1-2

Intraoperative spinal cord function monitoring : Is it possible toreliably monitor complex spinal cord functions with presently▶ page168
available methodologies?

○Tetsuya Tamaki
Vice president. Board of Directors, Aitokuen; Medical Director Emeritus,
Wakayama Rosai Hospital; Professor Emeritus, Wakayama Medical University

Luncheon Seminar 4



13:30 ～ 14:30

Moderator：Takashi Kaito（Osaka University）
LS4-1

Current Status of Scoliosis Surgery Using Patient-Compatible▶ page173
Custom Guide○Kanji Sasaki
Department of Orthopaedic Surgery, Seirei Hamamatsu Hospital

LS4-2

Usefulness of Locking Scoliosis Correction Manipulator and
MySpine Patient-Matched Pedicle Screw Placement Guides▶ page174○Hideki Murakami
Department of Orthopaedic Surgery, Iwate Medical University School of Medicine

Expert Seminar 1



15:20 ～ 16:20

Moderator：Koki Uno（National Hospital Organization Kobe Medical Center）
EX1-1

Current status and future perspective of treatment for adolescent▶ page139
idiopathic scoliosis○Morio Matsumoto
Department of Orthopaedic Surgery, Keio University School of Medicine

EX1-2

Pathogenesis and treatment for dropped head syndrome▶ page140○Masashi Yamazaki
Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba－ 59 －

November 4th
R o o m 1

Luncheon Seminar 1

Symposium 1 C
 heckup System of Scoliosis -Current Status and Future
Perspective
16:45 ～ 17:55
Moderator：Manabu Ito（National Hospital Organization Hokkaido Medical
Center）
Morio Matsumoto（Keio University）
SY1-1

Current status and perspective for School Scoliosis Screening in▶ page143
Japan○Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine

SY1-2

The issues of the scoliosis screening in the school medical▶ page144
examination for locomotive organ○Sadao Arai

SY1-3

School scoliosis screening - world trends and actual situation in▶ page145
Miyazaki Japan -○Hiroshi Kuroki
Department of Orthopaedic Surgery, National Hospital Organization Miyazaki
Higashi Hospital

SY1-4

Status and issues of scoliosis screening in Akita▶ page146○Akiko Misawa ，Rena Wakabayashi ，Michio Hongo ，Daisuke Kudo ，Ryota Kimura2，Naohisa Miyakoshi2
1
Department of Orthopaedic Surgery, Akita Prefectural Center on Development
and Disability，2
Department of Orthopaedic Surgery, Akita University Graduate School of
Medicine
1

SY1-5

1

2

2

The Current Status and Issues of Scoliosis Examinations and▶ page147
Recommendations for the Future○Toshiaki Kotani1，Shun Okuwaki1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Shuhei Ohyama1，Shuhei Iwata1，Tsutomu Akazawa2，Shohei Minami11Dept. of Orthopedic Surg., Seirei Sakura Citizen Hosp.，2
Dept. of Orthopedic Surg., St. Marianna Univ., School of Medicine

SY1-6▶ page148○Hanako Jimi

－ 60 －

Room 2

1st day - Friday, November 4th
General Presentation 1-3

Pathophysiology/Evaluation

9:00 ～ 10:04

O1-3-1

The relation between radiographic spinopelvic alignment andphysical performance test in a community-based female cohort▶ page202○Hisashi Chiba1，Tetsuya Kobayashi2，Mitsuru Imai2
1
Department of Rehabilitation, Furano Geriatric Health Services Facility，2
Department of Orthopaedic Surgery, Asahikawa Medical University

O1-3-2

Risk Factors for Progressive Spinal Sagittal Imbalance after Total▶ page203
Hip Arthroplasty: A 3-Year Follow Up Study○Satoshi Nagatani，Satoshi Kato，Satoru Demura，Tamon Kabata，
Yoshitomo Kajino，Noriaki Yokogawa，Daisuke Inoue，Yuki Kurokawa，
Ryohei Annen，Motoya Kobayashi，Yohei Yamada，Masafumi Kawai，
Hiroyuki Tsuchiya
Department of Orthopaedic Surgery, Kanazawa University

O1-3-3

Effect of nutritional status on spinal sagittal alignment and back▶ page204
pain in osteoporosis patients○Akiyoshi Kuroda，Masayuki Miyagi，Yuji Yokozeki，Kosuke Murata，Tomohisa Koyama，Sho Inoue，Daisuke Ishii，Motoki Makabe，Gen Inoue，Masashi Takaso
Department of Orthopaedic surgery Kitasato University School of Medicine

O1-3-4

Risk factors for spinal sagittal malalignment in patients with▶ page205
osteoporosis○Sho Inoue，Masayuki Miyagi，Akiyoshi Kuroda，Yuji Yokozeki，Kosuke Murata，Tomohisa Koyama，Yusuke Mimura，Daisuke Isii，Motoki Makabe，Gen Inoue，Masashi Takaso
Department of Orthopeadic Surgery Kitasato University School of Medicine－ 61 －

November 4th
R o o m 2

Moderator：Masayuki Miyagi（Kitasato University）

O1-3-5

Lumbar curve in adolescent idiopathic scoliosis Lenke Type 1 isdetermined by the amount of lateral deviation and vertebral axial▶ page206
rotation○Yuichi Shimizu1，Ryota Takatori1，Daisuke Hukuhara2，Tomohisa Harada2，
Nobuaki Takeura1，Hitoshi Tonomura1，Masateru Nagae1，Nozomu Inoue3，
Kenji Takahashi1
1Department of Orthopaedics, Graduate School of Medical Science, Kyoto
Prefectural University of Medicine，2
Department of Orthopaedics, Rakuwakai Marutamachi Hospital，3
Department of Orthopaedics, Rush University Medical CenterO1-3-6

Risk factors and effects on flexibility of coronal vertebral wedging
in thoracic adolescent idiopathic scoliosis Lenke type-1 and 2▶ page207○Shun Okuwaki1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Shuhei Oyama1，Shuhei Iwata1，Tsutomu Akazawa2，Shohei Minami1，
Seiji Ohtori3，Masashi Yamazaki4
1
Department of Orthopaedic Surgery, Seirei Sakura Citizen Hospital，2
Department of Orthopedic Surgery, St. Marianna University School of Medicine，3
Department of Orthopedic Surgery, Graduate School of Medicine, Chiba
Universit，
4
Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba

O1-3-7

Spinal flexibility assessments in patients with neuromuscular▶ page208
scoliosis○Eiki Shirasawa1，Masayuki Miyagi1，Akiyoshi Kuroda1，Gen Inoue1，
Takayuki Imura1，Toshiyuki Nakazawa1，Shinsuke Ikeda1，Yuusuke Mimura1，
Yoshihide Tanaka1，Wataru Saito2，Masashi Takaso1
1
Department of Orthopaedic Surgery Kitasato University School of Medicine，2
Department of Orthopaedic Surgery Kitasato University medicalcenterO1-3-8Development of AI Algorithm for Automatic Cobb Angle▶ page209
Measurement in Adult Scoliosis○Shuzo Kato，Takeo Nagura，Yoshihiro Maeda，Morio Matsumoto，
Masaya Nakamura，Kota Watanabe
Department of Orthopaedic Surgery, Keio University－ 62 －

Short Symposium 1

ADL・QOL

10:10 ～ 10:55

Moderator：Takahiro Iida（Teine Keijinkai Hospital）
Toshiki Saito（Ichinomiya Nishi Hospital）
SS1-1○Taro Okumura1，Takehide Katogi1，Yasushi Iijima2，Tsuyoshi Sakuma2，
Toshiaki Kotani2，Shohei Minami2
1
Department of Physical Therapy, Seirei Sakura Citizen Hospital，2
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital

SS1-2

Does Adolescent Idiopathic Scoliosis Surgery Affect Forward
Bending Movements? ～ Analysis of the deviation of the sit and▶ page245
reach test value○Shun Nokariya1,2，Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Masayuki Miyagi2，Gen Inoue2，Shohei Minami1，Seiji Ohtori3，Masashi Takaso2
1
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，2
Department of Orthopedic Surgery, Kitasato University School of Medicine，3
Department of Orthopedic Surgery, Chiba University, Graduate School of
Medicine

SS1-3

The Importance of Spinal Mobility Sparing and Health-Related▶ page246
Quality of Life in Adolescent Idiopathic Scoliosis○Takehide Katogi1，Taro Okumura1，Toshiaki Kotani2，Yasushi Iijima2，
Tsuyoshi Sakuma2，Syohei Minami2
1
Seirei Sakura Citizen Hospital Department of Physical Therapy，
2
Seirei Sakura Citizen Hospital Department of Orthopedic Surgery

SS1-4

Health-related quality of life evaluation using EQ5D for surgical▶ page247
treated idiopathic scoliosis patients○Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，Masaki Ikejiri，Yasuhito Tanaka
Department of Orthopaedic surgery, Nara Medical University

SS1-5

Relationship between Coronal Alignment and Gait in Patients with▶ page248
Adult Spinal Deformity○Norihiko Takegami，Koji Akeda，Koki Kawaguchi，Takahiro Hasegawa，
Junichi Yamada，Tatsuhiko Fujiwara，Akihiro Sudo
Department of Orthopaedic Surgery, Mie University Graduate School of Medicine－ 63 －

November 4th
R o o m 2

Postoperative changes in activities of daily living over timeevaluated using the Lumbar Stiffness Disability Index of AIS▶ page244
patients

SS1-6

Clinical outcome using SRS-22 in patients with idiopathic scoliosis
with a main thoracic curve who underwent surgery in adulthood▶ page249○Yoshifumi Takahashi，Motoki Iwasaki，Yukitaka Nagamoto，Tomiya Matsumoto，
Masayuki Furuya
Department of Orthopaedic Surgery, Osaka Rosai Hospital

SS1-7

Relationship between preoperative bending and traction flexibility
assessments and postoperative results in Lenke type1 and type2▶ page250
adolescent idiopathic scoliosis○Hisakazu Shitozawa，Haruo Misawa，Tomoko Tetsunaga，Koji Uotani，
Yoshiaki Oda，Masataka Ueda，Toshifumi Ozaki
Department of orthopaedics, Okayama university

SS1-8

Preoperative flexibility evaluation in adolescent idiopathic scoliosis-Comparison between active side bending group and passive side
▶ page251
bending group-○Takanao Shimabukuro，Kotaro Nishida
Orthop. Surg., Univ. of the Ryukyus

SS1-9

Curve progression and related factors in patient of adolescent▶ page252
idiopathic scoliosis with Risser 4○Rena Wakabayashi1，Akiko Misawa1，Ryota Kimura2，Daisuke Kudo2，
Michio Hongo2，Yoichi Shimada3，Naohisa Miyakoshi2
1
Akita Prefectural Center on Development and Disability，2
Department of Orthopedic surgery, Akita University，
3
Akita Prefectural Medical care and Childcare Organization

Luncheon Seminar 2



12:10 ～ 13:10

Moderator：Katsushi Takeshita（Jichi Medical University）
LS2-1

mechanism and prevention of occasional ALL rupture withposterior correction procedure for ASD -importance of appropriate▶ page169
choice for osteotomy-○Shinjiro Kaneko
Department of Spine and Spinal Cord, Fujita Health University

LS2-2

Surgical decision making, surgical planning and anticipated▶ page170
outcomes for adult spinal deformity○Shay Bess
Director, Orthopaedics surgery, Denver International Spine Center－ 64 －

Luncheon Seminar 5



13:30 ～ 14:30

Moderator：Jun Takahashi（Shinshu University）
LS5-1

Tips and pitfalls of the correction surgeries for adult spinal▶ page175
deformities

LS5-2

Surgery of spinal cord tumor -key and pitfall-▶ page176○Hiroshi Ozawa
Department of Orthopaedic Surgery, Tohoku Medical and Pharmaceutical
University

General Presentation 1-4

AIS surgery 1

15:20 ～ 16:16

Moderator：Kazuhide Inage（Chiba University）
O1-4-1

Neck and shoulder pain or stiffness in thoracic adolescentidiopathic scoliosis 10 years after posterior spinal fusion ▶ page210○Masayuki Ohashi1，Kei Watanabe1，Toru Hirano2，Kazuhiro Hasegawa3，
Hideki Tashi1，Tatsuo Makino1，Keitaro Minato1，Hiroyuki Kawashima1
1
Department of Orthopedic Surgery, Niigata University，2
Department of Orthopedic Surgery, Uonuma Kikan Hospital，
3
Niigata Spine Surgery CenterO1-4-2

Risk factor analysis of postoperative shoulder imbalance in Lenke 2▶ page211
AIS○Yuki Kinoshita1,2,3，Akira Matsumura1，Takashi Namikawa1，Masatoshi Hoshino1，
Hiroshi Taniwaki1，Jyun Park2，Junichi Shirakawa1，Hiroaki Nakamura3
1
Department of Orthopedic Surgery, Osaka City General Hospital，2
Baba Memorial Hospital，3Osaka Metropolitan University

O1-4-3

Examination of cervical spine alignment before and after surgery
in hypokyphosis AIS -compared between Coplanar method and▶ page212
Rod Rotation method-○Naoya Kondo，Katsutaka Yamada，Tatsuhiro Sekiya，Takashi Sakai，Keisuke Toda，Tomoyuki Saito
Department of Orthopedic Surgery, Yokohama Brain and Spine Center－ 65 －

November 4th
R o o m 2

○Takahiro Iida
Department of Orthopaedic Surgery Spine Center, Teine Keijinkai HospitalO1-4-4

Analysis of Preoperative and Operative Factors Influencing
Postoperative Shoulder Imbalance in Lenke Type 2 Adolescent▶ page213
Idiopathic Scoliosis○Keita Nakashima，Koki Uno，Teppei Suzuki，Masaaki Ito，Kohei Kawakita，Masahiko Huruya
Department of Orthopaedic Surgery, Kobe Medical CenterO1-4-5

Risk factors associated with scoliosis correction and postoperative
shoulder imbalance in Lenke type 1 idiopathic scoliosis patients▶ page214
using the Coplanar method.

○Arihisa Shimura1，Hidetoshi Nojiri1，Hiroshi Moridaira2，Hidekazu Arai2，
Satoshi Takada2，Katsutaka Yamada3，Naoya Kondo3，Tadao Morino4，
Eichiro Nakamura5，Masaki Tomori6，Kazuyuki Otani7，Koji Akeda8，
Takuya Nagai9，Hiromitsu Toyoda10，Kenyu Ito11，Jyunya Katayanagi12，
Hiroshi Taneichi2
1
Department of Orthopedics, Juntendo University，2
Department of Orthopedics, Dokkyo medical universuty，
3
Department of Orthopedics, Yokohama Municipal Stroke,Nerve and Spine
Center，4
Department of Orthopedics, Ehime University，
5
Department of Orthopedics, University of Occupational and Environmental
Health，6
Department of Orthopedics, Saiseikai Kawaguchi General Hospital，
7
Department of Orthopedics, Kudanzaka hospital，
8
Department of Orthopedics, Mie University，
9
Department of Orthopedics, Miyazaki University，
10
Department of Orthopedics, Osaka Metropolitan University Hospital，
11
Department of Orthopedic Surgery, Konan Kosei Hospital，
12
Department of Orthopedic Surgery, Dokkyo Medical University Saitama medical
CenterO1-4-6

A Novel Method of Selecting the Upper Instrumented Vertebra for
Adolescent Idiopathic Scoliosis Lenke Type 2 Curves: The Modified▶ page215
S-line○Tetsuhiko Mimura1，Shota Ikegami1，Tomohiro Banno2，Shoji Seki3，
Tetsuro Ohba4，Hiroki Oba1，Masashi Uehara1，Terue Hatakenaka1，
Takayuki Kamanaka1，Yoshinari Miyaoka1，Takuma Fukuzawa1，
Michihiko Koseki5，Hirotaka Haro4，Yoshiharu Kawaguchi3，
Yukihiro Matsuyama2，Jun Takahashi1
1Department of Orthopaedic Surgery, Shinshu University School of Medicine，2
Department of Orthopaedic Surgery, Hamamatsu University School of Medicine，3
Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama，
4
Department of Orthopaedic Surgery, University of Yamanashi School of Medicine，5
Faculty of Textile Science and Technology, Shinshu University－ 66 －

O1-4-7

Short-term outcomes of vertebral coplanar alignment technique inLenke type 1 and 2 adolescent idiopathic scoliosis - A multicenter▶ page216
study

Short Symposium 2

Surgical Tips

16:30 ～ 17:45

Moderator：Norio Kawahara（Kanazawa Medical Universty）
Kotaro Nishida（University of the Ryukyus）
SS2-1

Effect of Intraoperative whole spine X-P in Adult Scoliosis Surgery▶ page253○Keiichi Nakai，Yu Yamato，Tomohiko Hasegawa，Go Yoshida，Tomohiro Banno，Hideyuki Arima，Shin Oe，Tomohiro Yamada，Koichiro Ide，Kenta Kurosu，Yukihiro Matsuyama
Department of orthopedics, Hamamatsu University School of Medicine

SS2-2

Use of an outrigger device for concave rod rotation to correct▶ page254
apical hypokyphosis in adolescent idiopathic scoliosis○Shoji Seki1，Hiroto Makino1，Katsuhiko Kamei1，Hayato Futakawa1，
Taketoshi Yasuda1，Kenta Watanabe1，Yasuhito Yahara2，Yoshiharu Kawaguchi1
1
Department of Orthopaedic surgery, University of Toyama，2
Department of Immunology and Cell Biology－ 67 －

November 4th
R o o m 2

○Yusuke Murakami1，Tadao Morino1，Hiroshi Moridaira2，Hidekazu Arai2，
Satoshi Takada2，Katsutaka Yamada3，Naoya Kondo3，Hidetoshi Nojiri4，
Arihisa Shimura4，Eiichiro Nakamura5，Masaki Tomori6，Kazuyuki Ohtani7，
Koji Akeda8，Takuya Nagai9，Hiromitsu Toyoda10，Kenyu Ito11，
Junya Katayanagi12，Hiroshi Taneichi2
1
Department of orthopaedic surgery, Ehime University，2
Department of orthopaedic surgery, Dokkyo Medical University，3
Department of orthopaedic surgery, Yokohama City University，
4
Department of orthopaedic surgery, Juntendo University，
5
Department of orthopaedic surgery, University of Occupational and Environmental
Health，6
Orthopaedic surgery, Saiseikai Kawaguchi General Hospital，
7
Orthopaedic surgery, Kudanzaka Hospital，
8
Department of orthopaedic surgery, Mie University，
9
Department of orthopaedic surgery, Miyazaki University，
10
Department of orthopaedic surgery, Osaka Metropolitan University Graduate
School of Medicine.，
11
Department of orthopaedic surgery, Konan Kosei Hospital，
12
Department of orthopaedic surgery, Dokkyo Medical University Saitama Medical
CenterSS2-3Comparison of pressure during attachment rod between two
methods of the attachments in adolescent idiopathic scoliosis▶ page255
underwent posterior spine surgery○Kanichiro Wada，Gentaro Kumagai，Toru Asari，Yoshiro Nitobe，
Yasuyuki Ishibashi
Department of Orthopaedic Surgery, Hirosaki University Graduate School of
Medicine

SS2-4

The spine robotic system is useful for less-experienced surgeons in▶ page256
spinal deformity surgery○Jun Ueno，Tsutomu Akazawa，Yoshiaki Torii，Tasuku Umehara，
Masahiro Iinuma，Atuhiro Yshida，Ken Tomochika，Hisateru Niki
Department of Orthopaedic Surgery, St. Marianna University School of Medicine

SS2-5

Evaluation of intraoperative coronal alignment using ComputerAssisted Rod Bending System in adult spinal deformity surgery▶ page257○Takumi Takeuchi1，Kazumasa Konishi1，Hideto Sano1，Masato Takahashi1，
Hitoshi Kono2，Naobumi Hosogane1
1
Department of Orthopedic Surgery, Kyorin University School of Medicine，2
Department of Orthopedic Surgery, Keiyu orthopedic hospital

SS2-6

Outcome of interventions for intraoperative motor evoked▶ page258
potentials waveform change in scoliosis surgery○Tomohisa Hashimoto1，Koki Uno2，Teppei Suzuki2，Masaaki Ito2
1
Department of Clinical Engineering, National Hospital Organization Kobe Medical
Center，2
Department of orthopedic surgery, National Hospital Organization Kobe Medical
Center

SS2-7

Reduction in CT scan number with the reference frame middle
attachment method in intraoperative CT navigation for adolescent▶ page259
idiopathic scoliosis○Hiroki Oba，Shota Ikegami，Masashi Uehara，Takayuki Kamanaka，
Terue Hatakenaka，Yoshinari Miyaoka，Daisuke Kurogouchi，Takuma Fukuzawa，Jun Takahashi
Department of Orthopaedic Surgery, Shinshu University

SS2-8

Adoption of dual sacral alar iliac screw technique for patients with▶ page260
elderly thoracolumbar spine deformity○Akihito Wada，Kazumasa Nakamura，Keiji Hasegawa，Katsunori Fukutake，
Hiroshi Takahashi
Department of Orthopedic Surgery. Toho Unversity School of Medicine－ 68 －

SS2-9ROBOTIC SURGERY FOR SCOLIOSIS IN SPINE HYBRID OR▶ page261○Sohei Ebara
Spine Center & Scoliosis Center, Shonan Fujisawa Tokushukai HospitalSS2-10○Sohei Ebara
Spine Center & Scoliosis Center, Shonan Fujisawa Tokushukai HospitalSS2-11

THE RING’ New correction method for scoliosis surgery▶ page263○Sohei Ebara
Spine Center & Scoliosis Center, Shonan Fujisawa Tokushukai HospitalSS2-12Preliminary clinical results of Coplanar-Hybrid techniques inpatients with idiopathic scoliosis: Synergy between convex▶ page264
coplanar correction and concave sublaminar bands○Tsunehiko Konomi，Yoshihide Yanai，Toshiki Ohkubo，Mitsuru Furukawa，
Yoshiyuki Yato
Dept. of Orthopaedic Surgery, National Hospital Organization Murayama Medical
Center

SS2-13

Corrective posterior lumbosacral interbody fusion in a patient withthoracolumbar/lumbar scoliosis with lumbosacral oblique take off:
▶ page265
A preliminary Report○Tomoyuki Osato，Noriaki Kawakami，Toshiki Saito，Naoto Miyashita，Kouhei Otani
Department of Orthopedics and Spine surgery, Ichinomiya Nishi HospitalSS2-14

Optimal placement of accessory rods in long spinopelvic fusion toprevent rod fracture: a biomechanical study using synthetic bone
▶ page266
models○Shunji Tsutsui，Takuhei Kozaki，Hiroshi Yamada
Department of Orthopaedic Surgery, Wakayama Medical University

SS2-15

Evaluation of a novel method for rapid pathogen identification in▶ page267
spinal infections○Shinsuke Ikeda1，Gen Inoue1，Toshiyuki Nakazawa1，Takayuki Imura1，
Masayuki Miyagi1，Wataru Saito2，Eiki Shirasawa1，Yusuke Mimura1，
Yoshihide Tanaka1，Sho Inoue1，Akiyoshi Kuroda1，Sho Hiramatsu3，
Ayumu Kawakubo4，Yuji Yokozeki5，Masashi Takaso1
1
Department of Orthopaedic Surgery Kitasato University School of Medicine，2
Department of Orthopaedic Surgery Kitasato University Medical Center，3
Matsudo Orthopaedic Hospital Spine Center，4
Department of Orthopaedic Surgery Zama General Hospital，
5
Ministry of Health, Labour and Welfare Health Policy Bureau－ 69 －

November 4th
R o o m 2

“CORRECTION BOX” FOR SCOLIOSIS SURGERY － Pre-operative
correction method for scoliosis surgery in operation theatre －▶ page262

Room 3

1st day - Friday, November 4th
Infantile Spinal Deformity

9:00 ～ 10:45

Moderator：Toru Yamaguchi（Fukuoka Children’s Hospital）
Teppei Suzuki（National Hospital Organization Kobe Medical Center）
EOS-1○Kohei Otani，Noriaki Kawakami，Toshiki Saito，Tomoyuki Osato，
Naoto Miyashita
Ichinomiya Nishi Hospital

EOS-2▶ page347▶ page347○Mitsuki Kusaba，Teppei Suzuki，Koki Uno，kohei Kawakita，Masaaki Ito，
Keita Nakashima，Masahiko Furuya
Department of Orthopaedic Surgery, National Hospital Organization Kobe Medical
CenterEOS-3○Yoshiaki Oda，Haruo Misawa，Tomoko Tetsunaga，Kouji Uotani，Hisalazu Shitozawa，Masataka Ueda，Toshifumi Ozaki
Department of Orthopaedic Surgery, Okayama University Hospital

EOS-4▶ page348▶ page348○Kei Watanabe，Masayuki Ohashi，Hideki Tashi，Tatsuo Makino，Keitaro Minato，
Hiroyuki Kawashima
Department of Orthopedic Surgery, Niigata University

EOS-5▶ page349○Yuta Fukase，Kota Watanabe，Satoshi Suzuki，Yohei Takahashi，Satoshi Nori，
Osahiko Tuji，Narihito Nagoshi，Mitsuru Yagi，Morio Matumoto，
Masaya Nakamura
Department of Orthopedics of Keio university

EOS-6○Daiki Urayama，Ayato Nohara，Masaaki Iizuka，Shunichi Kishida，Hidemasa Umekouji，Takashi Ono
Department of Spinal Surgery, JCHO Tokyo Shinjuku Medical Center

EOS-7▶ page349▶ page350○Hiroshi Taniwaki，Akira Matsumura，yuki Kinoshita，Junichi Shirakawa，Masatoshi Hoshino，Takashi Namikawa
Department of Pediatric Orthopedic Surgery, Osaka City General Hospital,
Scoliosis center－ 70 －

Luncheon Seminar 3



12:10 ～ 13:10

Moderator：Haruhisa Yanagida（Fukuoka Children’s Hospital）
LS3-1

Anterior reconstruction in corrective surgery for adult spinal▶ page171
deformity○Kentaro Fukuda
Dept. of Orthopaedic surgery, Saiseikai Yokohamashi Tobu Hospital

LS3-2

Correction of adolescent idiopathic scoliosis using the convex rod▶ page172
rotation maneuver

Luncheon Seminar 6



13:30 ～ 14:30

Moderator：Kazuhiro Hasegawa（Niigata Spine Surgery Center）
LS6

Current concepts in treatment for adolescent idiopathic scoliosis：▶ page177
From conservative treatment to corrective surgery○Kei Watanabe
Division of Orthopedic Surgery, Niigata University Graduate School of Medical
and Dental Sciences

Short Symposium 3

Case Report / Case Series

16:30 ～ 17:40

Moderator：Hideki Shigematsu（Nara Medical University）
Wataru Saito（Kitasato University）
SS3-1

Distal junctional kyphosis requiring additional surgery 30 years▶ page268
after scoliosis correction: A case report○Naoto Miyashita，Noriaki Kawakami，Toshiki Saito，Tomoyuki Osato，
Kohei Otani
Department of Orthopedic Surgery, Ichinomiya Nishi Hospital

SS3-2

Short Term Outcome of Two Stage Anteroposterior Surgery for▶ page269
Spinal Deformity Due to Rheumatoid Arthritis.

○Takuya Yamamoto1，Hikaru Sakamoto1，Ichiro Kawamura2，Yuhei Yahiro3，
Eiji Taketomi1，Nobuhiko Sunahara1，Noboru Taniguchi2
1
Department of Orthiopedic Surgery, Japnese Red Cross Kagoshima Hospital，2
Department of Orthopaedic Surgery, Kagoshima University，3
Department of Orthopedic Surgery, Kagoshima City Hospital－ 71 －

November 4th
R o o m 3

○Hidetomi Terai
Dept. of Orthopaedic Surgery, Osaka Metropolitan University, Graduate School of
Medicine.

SS3-3

Closing wedge osteotomy from posterior for cervicothoracic▶ page270
congenital scoliosis○Takachika Shimizu1，Hirotaka Chikuda2，Masatake Ino1，Naofumi Toda1，
Masatoshi Ono1，Toshiki Tsukui1，Keisuke Fueki1
1
Department of Orthopaedic Surgery, Gunma Spine Center (Harunaso Hospital)，2
Department of Orthopaedic Surgery, Gunma University, Graduate School of
Medicine

SS3-4

Two cases with scoliosis of postoperative decrease in blood cobalt▶ page271
ion levels by nail extraction due to the rod fracture○Kentaro Ishii，Tatsuya Satou，Hiromitsu Takano，Motoshi Gomi，Takahumi Majima，Ryousuke Takahashi，Hidetoshi Nojiri，Muneaki Ishijima
Juntendo University School of Medicine Department of Orthopedic Surgery

SS3-5

Diastematomyelia in congenital scoliosis : a report of a case▶ page272○Rypsuke Yokota ，Takatoshi Okuda ，Hidetoshi Nojiri ，Hiroyasu Ohara3，
Tsuyoshi Hara3，Hiromitsu Takano2，Yuichiro Maruyama1，Muneaki Ishijima2
1
Department of Orthopedics Juntendo university Urayasu hospital，2
Department of Orthopedics Juntendo university，3
Department of Neurosurgery Juntendo university
1

SS3-6

1

2

Exercise improved coronal imbalance of Adult spinal deformity ;a▶ page273
case report○Takahiro Hasegawa，Koji Akeda，Koki Kawaguchi，Junichi Yamada，Norihiko Takegami，Tatsuhiko Fujiwara，Akihiro Sudo
Departments of Orthopaedic Surgery, Mie University Graduate School of Medicine

SS3-7

Growing rod for early onset severe scoliosis with osteogenesis▶ page274
imperfecta: two sibling case report○Michio Hongo1，Yuji Kasukawa1，Daisuke Kudo1，Akiko Misawa2，Yuichi Ono3，
Naohisa Miyakoshi1
1Department of Orthopedic Surgery, Akita University Graduate School of
Medicine，2
Department of Orthopedic Surgery, Akita Prefectural Center on Development andDisability，3
Department of Orthopedic Surgery, Akita Red Cross Hospital

SS3-8

Surgical experience of a symptomatic scoliosis patient who was▶ page275
diagnosed with Pierre Robin syndrome at birth.

○Yudai Hanyu，Osamu Shirado，Masumi Iwabuchi，Yota Sakuma
Department of Orthopedics and Spine Surgery,Fukushima Medical University Aidu
medical Center.

－ 72 －

SS3-9Two cases of double posterior wedge osteotomy for severe▶ page276congenital kyphosis○Haruo Misawa，Yoshiaki Oda，Koji Uotani，Hisakazu Shitozawa，Toshifumi Ozaki
Department of Orthopaedic Surgery, Okayama University HospitalSS3-10A case report of the patient with Juvenile Idiopathic Scoliosis▶ page277
underwent a Dual Growing Rod procedure.

○Takuya Mishiro
Takamtasu Red Cross Hospital, Department of Orthopaedic Surgery

SS3-11○Baofeng Yang，Kiyoshi Kumano，Kaiji Ota
Shinagawa Shisyokai HospitalSS3-12

Two cases of surgery for scoliosis associated with Noonan's▶ page279
syndrome○Takuya Nagai1，Hiroshi Kuroki2，Kiyoshi Higa1，Tomohumi Kuroki1，
Etsuo Chosa11Dept of Orthop.Sug., Univ of Miyazaki，2
Dept of Orthop.Sug., NHO Miyazaki Higashi HospitalSS3-13

A Case of surgery for spinal deformity associated with McCune▶ page280
Albright syndrome○Taiji Iwasawa，Ryoji Tauchi，Tetsuya Ohara，Kosuke Takimura，Yuta Hosokawa，
Yosuke Takeichi
Department of Orthopedics ＆ Spine surgery, Meijo HospitalSS3-14

Our experience in treating drop head syndrome▶ page281○Masatake Ino，Takachika Shimizu，Keisuke Fueki，Naofumi Toda，
Masatoshi Ono，Toshiki Tsukui
Department of Orthopaedic Surgery, Gunma Spine Center (Harunaso Hospital)－ 73 －

November 4th
R o o m 3

Postoperative long-term follow-up of spinal instrumentation:▶ page278
reports of three cases

Room 1

2nd day - Saturday, November 5thMorning Seminar 1



8:00 ～ 9:00

Moderator：Shiro Imagama（Nagoya University）
MS1-1

Surgical techniques to prevent complications in adult spinal▶ page182
deformity surgery○Katsutaka Yamada
Department of Orthopaedic Surgery, Yokohama Brain and Spine Center

MS1-2

Tips for Preventing Complications of Scoliosis Surgery ～ When and▶ page183
how should surgery be performed?

○Toshiaki Kotani
Dept. of Orthopedic Surgery, Seirei Sakura Citizen Hospital

Short Symposium 4

Conservative treatment/BasicScience

9:10 ～ 10:00

Moderator：Ryuichi Takemasa（Chigasaki Chuo Hospital）
Shoji Seki（University of Toyama）
SS4-1

Analysis of visitors to the website for patients of the Japanese▶ page282
Scoliosis Society○Shuhei Iwata1,2，Toshiaki Kotani1，Toru Hirano3，Tsuyoshi Sakuma1，
Yasushi Iijima1，Shun Okuwaki1，Shuhei Ohyama1，Tsutomu Akazawa4，
Kazuhide Inage2，Seiji Ohtori2
1
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，2
Department of Orhopedic Surgery, Chiba University，3
Department of Orhopedic Surgery, Uonuma Kikan Hospital, Niigata University，
4
Department of Orthopedic Surgery, St. Marianna University

SS4-2

Not all patients who choose fulltime brace by themselves do notsatisfactory continue brace therapy; comparing to nighttime brace▶ page283○Kenji Kato，Nobuyuki Suzuki，Hideki Murakami
Department of Orthopaedic Surgery, Nagoya City University－ 74 －

SS4-3

Attempt of new brace treatment for low back pain in patients with▶ page284
adolescent idiopathic scoliosis after skeletal maturity○Ryota Takatori1，Masateru Nagae1，Yuichi Shimizu1，Nobuaki Takeura1，
Taisuke Watanabe2，Tomonori Itsuji3，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 Hospital

SS4-4

Survey of actual brace wearing time using a temperature logger for▶ page285
the treatment of adolescent idiopathic scoliosis○Hiromi Kimura1，Minako Osaki1，Tomoyuki Asada2，Toshiaki Kotani3，
Tsuyoshi Sakuma3，Yasushi Iijima3，Shun Okuwaki3，Keita Nakayama2，
Tsutomu Akazawa4，Shohei Minami3
1
Seirei Sakura Citizen Hospital，2University of Tsukuba Hospital，
3
Seirei Sakura Citizen Hospital，4St.Marianna University School of Medicine

Effectiveness of physical therapy interventions for older patientswith degenerative thoracolumbar kyphosis and chronic low back▶ page286
pain○Eriko Mochizuki1，Natsumi Shida1，Izumi Nobe1，Yuuta Shouzusima1，
Hiromi Ataka2，Tetsurou Nakazawa2，Shou Hiramatsu2，Takaaki Tanno2
1
Matsudo Orthopaedic Hospital Rehabilitation Center，2
Matsudo Orthopaedic Hospital Spine CenterSS4-6

A study of the correction rate of CAD/CAM Chêneau and AC braces▶ page287
for adolescent idiopathic scoliosis○Taiji Iwasawa，Tetsuya Ohara，Ryoji Tauchi，Kosuke Takimura，Yuta Hosokawa，
Yosuke Takeichi
Department of Orthopaedics and Spine Surgery, Meijo Hospital

SS4-7

An analysis of pediatric radiation exposure in patients with early▶ page288
onset scoliosis: a longitudinal single-center study○Ryo Sugawara1，Naoya Taki2，Saki Onuma2，Hideaki Watanabe2，
Ichiro Kikkawa3，Katsushi Takeshita1
1Department of Orthopaedic Surgery, Jichi Medical University，2
Department of Pediatric Orthopedics, Jichi Children’s Medical Center Tochigi，3
Department of Orthopedic Surgery, Nasu Central Hospital

SS4-8

Chronological observation of congenital spinal deformity in mouse▶ page289○Haruki Ueda，Takuya Iimura，Hiroshi Moridaira，Satoshi Inami，Hiroshi Taneichi
Dokkyo Medical University－ 75 －

November 5th
R o o m 1

SS4-5

SS4-9Surgical outcome prediction using a four-dimensional planningsimulation system with finite element analysis incorporating pre▶ page290
bent rods in adolescent idiopathic scoliosis○Hiroyuki Tachi1,3，Koji Kato2，Yuichiro Abe3，Terufumi Kokabu1,3，
Katsuhisa Yamada1，Norimasa Iwasaki1，Hideki Sudo1,4
1
Department of Orthopedic, Hokkaido Univ.，
2
Department of Systems Information Science, Future University Hakodate，3
Department of Orthopedic Surgery, Eniwa Hospital，
4
Department of Advanced Medicine for Spine and Spinal Cord Disorders, Facultyof Medicine and Graduate School of Medicine, Hokkaido University

SS4-10Role of school-based screening in diagnosis of scoliosis in Shiga▶ page291
prefecture○Masako Tsukanaka1，Shimei Tanida1,2
1
Department of orthopaedics, Shiga Medical Center for Children，2Center for Spine Surgery, Shiga General Hospital

General Presentation 2-5 Evaluation/Concervative treatment 10:05 ～ 10:53
Moderator：Masashi Miyazaki（Oita University）
O2-5-1

Assessment of Lower Limb Muscle Tightness in Patients with▶ page217
Adolescent Idiopathic Scoliosis○Yuki Kusuhara1，Takuto Kurakawa2
1
Department of Rehabilitation, Kurakawa Clinic，
2
Department of Orthopedic Surgery, Kurakawa Clinic

O2-5-2Development of a screening tool for scoliosis using a 3D body
▶ page218
measurement suit (ZOZOSUIT (R))

○Yusuke Ito，Nozomu Ohtomo，So Kato，Toru Doi，Yoshitaka Matsubayashi，Yuki Taniguchi，Yasushi Oshima，Ko Matsudaira，Sakae Tanaka
Department of Orthopaedic Surgery Faculty of Medicine, The University of Tokyo

O2-5-3

Improvement of an algorithm for using deep learning with three
dimensional depth sensor imaging in scoliosis detection ▶ page219○Terufumi Kokabu1,6，Noriaki Kawakami2，Koki Uno3，Toshiaki Kotani4，
Teppei Suzuki3，Hiroyuki Tachi5，Yuichiro Abe5，Norimasa Iwasaki1，
Hideki Sudo1
1
Department of Orthopaedic Surgery, Hokkaido University Hospital，2
Department of Orthopedic Surgery, Ichinomiyanishi Hospital，3
Department of Orthopaedic Surgery, National Hospital Organization, Kobe
Medical Center，4
Department of Orthopaedic Surgery, Seirei Sakura Citizen Hospital，
5
Department of Orthopaedic Surgery, Eniwa Hospital，
6
Department of Orthopaedic Surgery, National Hospital Organization, Hokkaido
Medical Center－ 76 －

O2-5-4

Middle term results of a novel brace for treatment of the patients▶ page220with adolescent idiopathic scoliosis○Kai Hirata1，Osamu Shirado2，Nobumasa Suzuki3，Takahiro Iida4，
Masatoshi Inoue5，Jyunya Katayanagi6，Kazuyuki Matsumoto6，Kazuhide Inage7，
Takuya Nikaido8，Masanori Abe9，Takuya Kigawa1，Tatsuya Endo2
1
Nippon Sigmax Co., Ltd，
2
Aizu Medical Center Orthopaedics & Spinal Surgery, Fukushima Medical
University，3
Scoliosis Center, Medical Scanning Tokyo，
4
Department of Orthopaedic Surgery Spine Center, Teine Keijinkai Hospital，
5
Department of Orthopaedic Surgery, Chiba Saiseikai Narashino Hospital，
6
Department of Orthopaedic Surgery, Dokkyo Medical University Saitama Medical
center，
7
Department of Orthopaedic Surgery, Chiba University，
8
Department of Orthopaedic Surgery, Fukushima Medical University，
9
Tohoku Prosthetic and Orthotic Co., Ltd

A comparative study on follow-up alone versus combined exercise▶ page221
therapy for adolescent idiopathic scoliosis○Ken Yamazaki1，Takayuki Kikuchi2，Satoshi Yoshida3
1
Iwate Spine ＆ Scoliosis center，2Kitakami Saiseikai Hospital，3
Yoshida Orthopedic HospitalO2-5-6

Negative Impact of Cast application on the chest cage in Progressive▶ page222
Early-onset Scoliosis○Noriaki Kawakami1，Toshiki Saito1，Tomoyuki Osato1，Naoko Miyashita1，
Hiroko Matsumoto2
1
Department of Orthopeadic Surgery, Ichinomiyanishi Hospital，2
Department of Pediatric Orthopaedic, Harvard University

Symposium 3 Cutting Edge of Neuromuscular/Syndromic Scoliosis 11:00 ～ 12:00
Moderator：Ichiro Kikkawa（Jichi Children's Medical Center Tochigi）
Teppei Suzuki（National Hospital Organization Kobe Medical Center）
S3-1

Current status and future perspective of flaccid neuromuscular▶ page154
scoliosis surgery○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－ 77 －

November 5th
R o o m 1

O2-5-5

S3-2

Surgical treatment for Neuro-Muscular Scoliosis -preliminary▶ page155
report-○Taichi Tsuji，Kyotaro Ota，Hiroto Tachi
Department of Orthopaedic & Spine Surgery ,Toyota Kosei Hospital

S3-3

Surgical treatment of spinal deformity in patients with▶ page156
neuromuscular disease○Masatoshi Inoue1，Hidehisa Torikai1，Yoshinori Nakata3，Kazuhide Inage2，
Seiji Ohtori2
1
Dept of Spine Surgery, Chiba Saisei-kai Narashino Hospital，2
Dept of Orthopedic Surgery, Chiba University，3Nakata Orthopedic Clinic

S3-4

Surgery for spinal deformity in "tweeners" with Marfan syndrome▶ page157○Yuki Taniguchi1,8，Ryoji Tauchi2,8，Teppei Suzuki3,8，Kei Watanabe4,8，Takachika Shimizu5,8，Haruhisa Yanagida6,8，Yoshitaka Matsubayashi1,8，
Noriaki Kawakami7,8
1
Department of Orthopedics, the University of Tokyo Hospital，2
Department of Orthopedics, Meijo Hospital，3
Department of Orthopedic Surgery, Kobe Medical Center，4
Department of Orthopedic Surgery, Niigata University，
5
Department of Orthopaedic Surgery, Gunma Spine Center, Harunaso Hospital，
6
Department of Orthopaedic and Spine surgery, Fukuoka Children's Hospital，
7
Department of Orthopedic Surgery, Ichinomiya Nishi Hospital，
8Japan Spinal Deformity Institute (JSDI)

S3-5

Posterior two-staged surgery for rigid syndromic scoliosis in▶ page158
adolescence○Takachika Shimizu，Masatake Ino，Naofumi Toda，Masatoshi Ono，
Toshiki Tsukui，Keisuke Fueki
Department of Orthopaedic Surgery, Gunma Spine Center(Harunaso Hospital)

Luncheon Seminar 7



12:10 ～ 13:10

Moderator：Hiroshi Taneichi（Dokkyo Medical University）
LS7

Various Usages of Pedicle Screws with Double Heads in Spinal▶ page178
Instrumentation Surgery○Toru Funayama
Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba－ 78 －

Expert Seminar 2



13:20 ～ 14:20

Moderator：Motoki Iwasaki（Osaka Rosai Hospital）
EX2-1

Anterior surgery for TL/L curve of adolescent idiopathic scoliosis▶ page141○Hiroshi Taneichi
Department of Orthopaedic Surgery, Dokkyo Medical University school of
medicine

EX2-2

Looking back on 10 years of adult spinal deformity surgical▶ page142
treatment○Yukihiro Matsuyama
Department of Orthopedic Surgery, Hamamatsu University School of Medicine

General Presentation 2-6

AIS surgery 2

14:25 ～ 15:21

O2-6-1

Which sites should not be skipped in adolescent idiopathic scoliosis▶ page223
Lenke type 1A curves to prevent corrective loss?

○Kaho Yanagisawa，Hiroki Oba，Shota Ikegami，Masashi Uehara，
Terue Hatakenaka，Takayuki Kamanaka，Yoshinari Miyaoka，Daisuke Kurogouchi，Takuma Fukuzawa，Jun Takahashi
Department of Orthopaedic Surgery, Shinshu University School of Medicine

O2-6-2CT-based evaluation of vertebral rotation by Coplanar procedure▶ page224
for adolescent idiopathic scoliosis○Koji Akeda1，Tatsuhiko Fujiwara1，Hidetoshi Nojiri2，Katsutaka Yamada3，
Tadao Morino4，Eiichiro Nakamura5，Hiroshi Moridaira6，Kazuyuki Ohtani7，
Kenyu Itou8，Hiroshi Taneichi61
Department of Orthopaedic Surgery, Mie University Graduate School of
Medicine，2
Department of Orthopaedic Surgery, Juntendo University School of Medicine，3
Department of Orthopaedic Surgery, Yokohama Brain and Spine Center，4
Department of Bone and Joint Surgery, Ehime University Graduate School of
Medicine，
5
Department of Orthopaedic Surgery, University of Occupational andEnvironmental Health，6
Department of Orthopaedic Surgery, Dokkyo University School of Medicine，7
Department of Orthopaedic Surgery, Kudanzaka Hospital，
8
Department of Orthopaedic Surgery, Konan Kosei Hospital－ 79 －

November 5th
R o o m 1

Moderator：Koji Kanzaki（Showa University Fujigaoka Hospital）

O2-6-3

Utility of Coplanar procedure for adolescent idiopathic scoliosis torestore physiologic thoracic kyphosis: multicenter study ▶ page225○Katsutaka Yamada1，Naoya Kondo1，Hiroshi Moridaira2，Hidekazu Arai2，
Satoshi Takada2，Hidetoshi Nojiri3，Arihisa Shimura3，Tadao Morino4，
Eiichiro Nakamura5，Masaki Tomori6，Kazuyuki Otani7，Koji Akeda8，
Takuya Nagai9，Hiromitsu Toyoda10，Kenyu Ito11，Junnya Katayanagi12，
Hiroshi Taneichi2
1
Department of Orthopaedics Surgery, Yokohama Brain and Sine Center，2
Department of Orthopaedics Surgery, Dokkyo Medical University，3
Department of Orthopaedics Surgery, Juntendo University，
4
Department of Orthopaedics Surgery, Ehime University，
5
Department of Orthopaedics Surgery, University of Occupational andEnvironmental Health，6
Department of Orthopaedics Surgery, Saiseikai Kawaguchi General Hospital，
7
Department of Orthopaedics Surgery, Kudanzaka Hospital，
8
Department of Orthopaedics Surgery, Mie University，
9
Department of Orthopaedics Surgery, Miyazaki University，
10
Department of Orthopaedics Surgery, Osaka Metropolitan University，
11
Department of Orthopedic Surgery, Konan Kosei Hospital，
12
Department of Orthopedic Surgery, Dokkyo Medical University Saitama Medical CenterO2-6-4

Efficacy of limited level Ponte osteotomies at apex of thoracic
kyphosis for sagittal alignment restoration in AIS Lenke Type 1 and▶ page2262○Shimei Tanida，Kazutaka Masamoto，Masako Tsukanaka
Department of orthopaedic surgery of General Hospital / Shiga Medical Hospitalfor Children

O2-6-5What is the optimal selection criteria for LIV in selective thoracic▶ page227
fusion for Lenke 1/2 curve B or C?

○Hiroishi Moridaira1，Hidekazu Arai1，Satoshi Takada1，Katsutaka Yamada2，
Naoya Kondo2，Hidetoshi Nojiri3，Arihisa Shimura3，Tadao Morino4，
Eiichirou Nakamura5，Masaki Tomori6，Kazuyuki Ootani7，Kouji Akeda8，
Takuya Nagai9，Hiromitsu Toyoda10，Kenyu Ito11，Jyunya Katayanagi12，
Hiroshi Taneichi1
1
Department of Orthopedic Surgery, Dokkyo Medical University，2
Department of Orthopedic Surgery, Yokohama Brain and Spine Center，3
Department of Orthopedic Surgery, Juntendo University，
4
Department of Orthopedic Surgery, Ehime University，
5
Department of Orthopedic Surgery, University of Occupational and Environmental
Health，6
Department of Orthopedic Surgery, Saiseikai Kawaguchi General Hospital，
7
Department of Orthopedic Surgery, Kudanzaka Hospital，
8
Department of Orthopedic Surgery, Mie University，
9
Department of Orthopedic Surgery, University of Miyazaki，
10
Department of Orthopedic Surgery, Osaka Metropolitan University，
11
Department of Orthopedic Surgery, Konan Kosei Hospital，
12
Department of Orthopedic Surgery, Dokkyo Medical University Saitama medical
Center－ 80 －

O2-6-6

Assessment of postoperative distal adding-on with intraoperative
radiograph in adolescent idiopathic scoliosis Lenke type 1▶ page228○Takeshi Fujii1,2，Soya Kawabata1,3，Satoshi Suzuki1，Mitsuru Yagi1，
Yohei Takahashi1，Osahiko Tsuji1，Satoshi Nori1，Narihito Nagoshi1，
Morio Matsumoto1，Masaya Nakamura1，Kota Watanabe1
1Department of Orthopaedic Surgery, Keio University School of Medicine，2
Department of Orthopaedic Surgery, Tokyo Saiseikai Central Hospital，3
Department of Orthopaedic Surgery, Fujita Health University

O2-6-7

Longitudinal evaluation of uninstrumented lumbar intervertebral
disc 10 years after posterior spinal fusion for adolescent idiopathic▶ page229
scoliosis using MRI○Satoshi Suzuki，Mitsuru Yagi，Masahiro Ozaki，Yohei Takahashi，Osahiko Tsuji，Narihito Nagoshi，Morio Matsumoto，Masaya Nakamura，Kota Watanabe
Department of Orthopaedic Surgery Keio University School of Medicine

15:30 ～ 16:35

Moderator：Masato Tanaka（Okayama Rosai Hospital）
Takanori Saito（Kansai Medical University）
S4-1

Efficacy of perioperative halo traction in the treatment of severe▶ page159
scoliosis○Yosuke Takeichi，Tetsuya Ohara，Ryoji Tauchi，Kosuke Takimura，Yuta Hosokawa，Taiji Iwasawa
Department of Orthopaedic Surgery and Spine Center, Meijo Hospital

S4-2

Posterior correction surgery for adolescent idiopathic scoliosis
type 2 using sublaminar tape on the concave side of the proximal▶ page160
thoracic curve○Kota Watanabe，Mitsuru Yagi，Satoshi Suzuki，Masahiro Ozaki，Yohei Takahashi，Osahiko Tsuji，Narihito Nagoshi，Morio Matsumoto，Masaya Nakamura
Department of Orthopedic Surgery, Keio University School of Medicine

S4-3

Junctional failure and global alignment and proportion score after
short segment fusion for adult spinal deformity -LLIF vs. 3CO▶ page161○Hiroshi Moridaira，Satoshi Inami，Haruki Ueda，Hidekazu Arai，Tomoya Kantou，Satoshi Takada，Hiroshi Taneichi
Department of Orthopedic Surgery, Dokkyo Medical University School of
Medicine－ 81 －

November 5th
R o o m 1

Symposium 4 Expertise and Concept of Corrective Surgery

S4-4

Posterior column reconstruction can reduce rod breakage after 3▶ page162
column osteotomy for adult spinal deformity○Yusuke Nakao，Shigeo Sano，Hiroyuki Nakarai
Department of Orthopedic surgery, Spine Center, Sanraku Hospital

S4-5

Strategy of Surgical Treatment for Dropped Head Syndrome▶ page163○Kuniyoshi Abumi ，Hitoshi Haba ，Manabu Itoh ，Masahiko Takahata ，Hideki Sudo3
1
Sapporo Orthopaedic Hospital，2
Department of Orthopaedic Surgery, Hokkaido Medical Center，3
Department of Orthopaedic Surgery, Hokkaido University Hospital
1

1－ 82 －

2

3

Room 2

2nd day - Saturday, November 5thMorning Seminar 2



8:00 ～ 9:00

Moderator：Ikuho Yonezawa（Sangubashi Spine Surgery Hospital）
MS2

The surgical technique of pedicle subtraction osteotomy ▶ page184○Yusuke Nakao
Department of Orthopaedic and Spine Surgery, Sanraku Hospital

Symposium 2 AIS Surgery -What can we do for shoulder imbalance? 9:10 ～ 10:15
Moderator：Satoshi Inami（Dokkyo Medical University）
Daisuke Sakai（Tokai University）
S2-1

Prediction of spontaneous correction of proximal thoracic curveand shoulder balance after posterior spinal fusion for Lenke-type 1▶ page149
adolescent idiopathic scoliosis

S2-2

The risk factors for postoperative shoulder imbalance in patients▶ page150
with AIS Lenke type 1○Tomohiro Banno，Yu Yamato，Tomohiko Hasegawa，Go Yoshida，Hideyuki Arima，Shin Oe，Koichiro Ide，Tomohiro Yamada，Kenta Kurosu，Keiichi Nakai，Yukihiro Matsuyama
Department of Orthopaedic Surgery, Hamamatsu University School of Medicine

S2-3

Shoulder balance and neck tilt in patients with Lenke type 1 AIS▶ page151
after posterior spinal fusion at postoperative 10 years○Ayato Nohara1，Noriaki Kawakami2，Tetsuya Ohara3，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－ 83 －

November 5th
R o o m 2

○Masayuki Ohashi1，Kei Watanabe1，Toru Hirano2，Kazuhiro Hasegawa3，
Hideki Tashi1，Tatsuo Makino1，Keitaro Minato1，Hiroyuki Kawashima1
1
Department of Orthopedic Surgery, Niigata University，2
Department of Orthopedic Surgery, Uonuma Kikan Hospital，
3
Niigata Spine Surgery Center

S2-4

Correlation between postoperative shoulder imbalance and distal▶ page152
adding-on and distal junctional kyphosis○Norihiro Isogai1,2,3，Mitsuru Yagi1,3，Satoshi Suzuki1,3，Nao Otomo1,2,3，
Yoshihiro Maeda1,3，Yohei Takahashi1,3，Satoshi Nori1,3，Osahiko Tsuji1,3，
Narihito Nagoshi1,3，Morio Matsumoto1,3，Masaya Nakamura1,3，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 GroupS2-5

Can intraoperative T1-tilt changes predict postoperative shoulder▶ page153
balance in Lenke 2 AIS patients?

○Akira Matsumura1，Takashi Namikawa1，Masatoshi Hoshino1，Hiroshi Taniwaki1，
Yuki Kinoshita1，Jun Park1，Junichi Shirakawa1，Hiroaki Nakamura2
1
Scoliosis Center, Department of Orthopaedic Surgery, Osaka City General
Hospital，2
Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate
School of Medicine

Short Symposium 5

AIS surgery

11:00 ～ 11:55

Moderator：Hiroshi Yamada（Wakayama Medical University）
Takuya Yamamoto（Japanese Red Cross Kagoshima Hospital）
SS5-1

Changes after the correction and fusion surgery for adult patients▶ page292
with idiopathic scoliosis Lenke 1○Yasuhiro Kamata1，Satoshi Suzuki2，Mitsuru Yagi2，Yohei Takahashi2，
Satoshi Nori2，Osahiko Tsuji2，Narihito Nagoshi2，Morio Matsumoto2，
Masaya Nakamura2，Kota Watanabe2
1
JCHO Saitama Medical Center，2
Department of Orthopedic Surgery, Keio University School of Medicine

SS5-2

Mid-term clinical outcome of short fusion strategy for Lenke type▶ page293
1A adolescent idiopathic scoliosis○Soya Kawabata1，Takeshi Fujii2，Satoshi Suzuki3，Yohei Takahashi3，
Masahiro Ozaki3，Osahiko Tsuji3，Narihito Nagoshi3，Nobuyuki Fujita1，
Mitsuru Yagi3，Morio Matsumoto3，Masaya Nakamura3，Kota Watanabe3
1
Department of Orthopaedic Surgery, Fujita Health University，2
Department of Orthopaedic Surgery, Tokyo Saiseikai Central Hospital，3
Department of Orthopaedic Surgery, Keio University School of Medicine－ 84 －

SS5-3

Investigative study of the sagittal alignment following selective▶ page294
thoracic fusion (STF) in Lenke 1 and 2 AIS○Jun Park1，Akira Matsumura1，Takashi Namikawa1，Masatoshi Hoshino1，
Hiroshi Taniwaki1，Yuki Kinoshita1，Junichi Shirakawa1，Hiroaki Nakamura2
1
Department of Orthop. Surg., Osaka City General Hospital，
2
Dept. of Orthop. Surg., Osaka Metropolitan Univ.

SS5-4

Postoperative dynamic change of coronal balance correlates toshoulder balance behavior after selective thoracic fusion for Lenke▶ page295
1C curves○Masayuki Ishikawa，Kota Kojima，Takahiro Endo，Shunji Asamoto，
Yasuyuki Fukui
Makita General HospitalSS5-5

Postoperative distal junctional kyphosis and related factors in▶ page296
adolescent idiopathic scoliosis Lenke type 1B and 1C○Takeshi Fujii1,2，Satoshi Suzuki1，Mitsuru Yagi1，Yohei Takahashi1，
Osahiko Tsuji1，Satoshi Nori1，Narihito Nagoshi1，Morio Matsumoto1，
Masaya Nakamura1，Kota Watanabe1
1Department of Orthopaedic Surgery, Keio University School of Medicine，2
Department of Orthopaedic Surgery, Tokyo Saiseikai Central Hospital

Cervical Sagittal Alignment is Influenced by Changes in Thoracic
and Lumbar Sagittal Alignments after Correction Surgery in Lenke▶ page297
type 6 AIS○Toshiki Okubo1,2,3，Satoshi Suzuki2,3，Masahiro Ozaki2,3，Youhei Takahashi2,3，
Osahiko Tsuji2,3，Narihito Nagoshi2,3，Mitsuru Yagi2,3，Morio Matsumoto2,3，
Masaya Nakamura2,3，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
KSRG (Keio spine research group)

SS5-7

Anterior spinal fusion for Lenke type 5C adolescent idiopathic
scoliosis; Can the S-line predict postoperative proximal▶ page298
decompensation?

○Yota Sakuma1，Ryoji Tominaga2，Yudai Hanyu1，Masumi Iwabuchi1，
Osamu Shirado1
1
Department of Orthopaedic and Spinal Surgery, Aizu Medical Center, Fukushima
Medical University，2
Department of Clinical Epidemiology, Graduate School of Medicine, Fukushima
Medical University－ 85 －

November 5th
R o o m 2

SS5-6

SS5-8

Factors causing failure of robotic-assisted pedicle screw placement▶ page299
in adolescent idiopathic scoliosis○Tsutomu Akazawa1,2，Yoshiaki Torii1,2，Jun Ueno1,2，Tasuku Umehara1,2，
Masahiro Iinuma1,2，Atsuhiro Yoshida1,2，Ken Tomochika1,2，Seiji Ohtori3，
Hisateru Niki1
1
Department of Orthopaedic Surgery, St. Marianna University School of Medicine，2
Spine Center, St. Marianna University Hospital，3
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba
University

SS5-9

Analysis of accuracy of pedicle screw placement in dysplastic
pedicles in adolescent idiopathic scoliosis using pedicle expansion▶ page300
technique○Masashi Miyazaki，Tetsutaro Abe，Noriaki Sako，Hiroshi Tsumura
Department of Orthopaedic Surgery, Oita University

SS5-10Can vertebral coplanar technique reduce concave screw density?
▶ page301○Masaki Tomori1，Yasushi Moridaira2，Hidekazu Arai2，Satoshi Takada2，
Katsutaka Yamada3，Naoya Kondo3，Hidetoshi Nojiri4，Arihisa Shimura4，
Tadao Morino5，Eiichiro Nakamura6，Kazuyuki Otani7，Koji Akeda8，
Takuya Nagai9，Hiromitsu Toyoda10，Kenyu Ito10，Jyunya Katayanagi10
1
Saiseikai kawaguchi General Hospital，2
Department of Orthopaedics, Dokkyo Medical University，3
Department of Orthopaedics, Yokohama Brain and Spine center，4
Department of Orthopaedics, Jyuntendo University，
5
Department of Orthopaedics, Ehime University，
6
Department of Orthopaedics, University of Occupational and Environmental
Health，7
Department of Orthopaedics, Kudanzaka Hospital，
8
Department of Orthopaedics, Mie University，
9
Department of Orthopaedics, Miyazaki University，
10
Department of Orthopaedics, Osaka Metropolitan University，
11
Department of Orthopedic Surgery, Konan Kosei Hospital，
12
Department of Orthopedic Surgery, Dokkyo Medical University Saitama medical
Center

SS5-11Curve characteristics and surgical outcomes in scoliosis patientswith mental disorder only and idiopathic scoliosis patients without▶ page302
mental disorder○Hiroki Oba，Shota Ikegami，Masashi Uehara，Takayuki Kamanaka，
Terue Hatakenaka，Yosinari Miyaoka，Daisuke Kurogouchi，Takuma Fukuzawa，Jun Takahashi
Department of Orthopaedic Surgery, Shinshu University－ 86 －

Luncheon Seminar 8



12:10 ～ 13:10

Moderator：Tokumi Kanemura（Konan Kosei Hospital）
LS8

Robotic-assisted spine surgery for spinal deformity▶ page179○Tsutomu Akazawa
Department of Orthopaedic Surgery, St. Marianna University School of Medicine;
Spine Center, St. Marianna University Hospital

General Presentation 2-7

Pediatric Spinal Deformity

13:20 ～ 14:16

Moderator：Hideki Sudo（Hokkaido University）
O2-7-1

Growth guidance surgery with fusion at upper foundation andsegmental guidance screwing at lower foundation for early-onset▶ page230
scoliosis○Masaaki Ito，Teppei Suzuki，Kohei Kawakita，Koki Uno
Department of Orthopaedic Surgery, National Hospital Organization Kobe Medical
CenterO2-7-2○Yoshitaka Suzuki1,5，Toru Yamaguchi2,5，Tetsuya Ohara3,5，Haruhisa Yanagida2,5，
Ryoji Tauchi3,5，Noriaki Kawakami4,5
1
Department of Orthopedic Surgery, Nagoya Central Hospital，2
Department of Orthopedic Surgery, Fukuoka Children's Hospital，3
Department of Orthopedic and Spine Surgery, Meijo Hospital，
4
Department of Orthopedic Surgery, Ichinomiyanishi Hospital，
5Japan Spinal Deformity Institute－ 87 －

November 5th
R o o m 2

Risk Factors for Perioperative Cardiovascular Function
Deterioration in Patients with Concurrent Scoliosis and Congenital▶ page231
Heart DiseaseO2-7-3

Incidence and causes of instrument-related complications
following primary definitive fusion for pediatric spine deformity▶ page232○Satoru Demura1，Tetsuya Ohara2，Ryoji Tauchi2，Kosuke Takimura2，
Kota Watanabe3，Satoshi Suzuki3，Haruhisa Yanagida4，Toru Yamaguchi4，
Koki Uno5，Teppei Suzuki5，Toshiaki Kotani6，Keita Nakayama6，Kei Watanabe7，
Yuki Taniguchi8，Noriaki Yokogawa9，Norihiro Oku9，Hiroyuki Tsuchiya9，
Takuya Yamamoto10，Ichiro Kawamura11，Ryo Sugawara12，Ichiro Kikkawa12，
Katsushi Takeshita12，Hideki Murakami13，Tatsuya Sato14，Kenta Fujiwara15，
Tsutomu Akazawa16，Noriaki Kawakami17
1Department of Orthopaedic Surgery, Kanazawa Univ.，
2
Department of Orthopedics and Spine Surgery, Meijo Hospital，3
Department of Orthopaedic Surgery, Keio University，
4
Department of Orthopaedic and Spine Surgery, Fukuoka Children's Hospital，
5
Department of Orthopaedic Surgery, Kobe Medical Center，
6
Department of Orthopaedic Surgery, Seirei Sakura Citizen Hospital，
7
Department of Orthopaedic Surgery, Niigata University，
8
Department of Orthopaedic Surgery, The University of Tokyo，
9
Department of Orthopaedic Surgery, Kanazawa University，
10
Department of Orthopaedic Surgery, Kagoshima Red cross Hospital，
11
Department of Orthopaedic Surgery, Kagoshima University，
12
Department of Orthopaedic Surgery, Jichi Medical University，
13
Department of Orthopaedic Surgery, Iwate Medical University，
14
Department of Orthopaedics, Juntendo University School of Medicine，
15
Department of Orthopaedics, Osaka Medical and Pharmaceutical University，
16
Department of Orthopaedic Surgery, St. Marianna University School of Medicine，
17
Department of Orthopaedic Surgery, Ichinomiya Nishi Hospital,，
Japan Spinal Deformity Institute (JSDI)

O2-7-4

Bend-back of the rod in adolescent idiopathic scoliosis surgery▶ page233○Noriaki Yokogawa，Satoru Demura，Satoshi Kato，Motoya Kobayashi，
Yohei Yamada，Satoshi Nagatani，Masafumi Kawai，Hiroyuki Tsuchiya
Department of Orthopedic Surgery, Graduate School of Medical Sciences,
Kanazawa University

O2-7-5Intraoperative blood loss in adolescent idiopathic scoliosis▶ page234
corrective surgery Is associated with thoracic factor○Yuta Hosokawa，Tetsuya Ohara，Ryoji Tauchi，Kosuke Takimura，Taiji Iwasawa，
Yosuke Takeichi
Department of Orthopaedics and Spine Surgery, Meijo Hospital－ 88 －

O2-7-6

Fusion only to L5 with severe scoliosis with cerebral palsy▶ page235○Daiki Urayama1，Ayato Nohara1，Masaaki Iizuka1，Shunichi Kishida1，
Hidemasa Umekouji1，Yuki Taniguchi2，Takashi Ono1
1
Department of Spinal Surgery, JCHO Tokyo Shinjuku Medical Center，2
Department of Orthopedics, the University of Tokyo HospitalO2-7-7

Health-related quality of life of adolescent idiopathic scoliosis▶ page236
patients 40 years or more after surgery○Tsutomu Akazawa1,2，Toshiaki Kotani2，Tsuyoshi Sakuma2，Yasushi Iijima2，
Yoshiaki Torii1，Jun Ueno1，Tasuku Umehara1，Masahiro Iinuma1，
Atsuhiro Yoshida1，Ken Tomochika1，Hisateru Niki1，Kazuhide Inage3，
Seiji Ohtori3，Shohei Minami2
1
Department of Orthopaedic Surgery, St. Marianna University School of Medicine，2
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，3
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba
University

Short Symposium 6

AIS/NMS Surgery

14:25 ～ 15:25

Moderator：Masaaki Chazono（National Hospital Organization Utsunomiya
National Hospital）
Satoru Demura（Kanazawa University）

Is occasional ALL rupture with posterior correction procedure for
ASD specific phenomenon when combined with LLIF? -comparison▶ page303
to PLIF-○Takaya Imai1，Hiroki Takeda2，Yuichiro Abe2,3，Kurenai Hachiya1，Sota Nagai1，
Soya Kawabata1，Nobuyuki Fujita1，Shinjiro Kaneko2
1
Department of Orthopaedic Surgery, School pf Medicine, Fujita Health
University，2
Department of Orthopaedic Surgery, School pf Medicine, Fujita Health
University，3
Department of Orthopaedic Surgery, Eniwa Hospital

SS6-2

Risk factors and incidence of rod breakage at the lumbosacral▶ page304
junction in adult spinal deformity○Tsuyoshi Sakuma1，Toshiaki Kotani1，Yasushi Iijima1，Shun Okuwaki1，
Shuhei Oyama1，Shuhei Iwata1，Tsutomu Akazawa2，Seiji Ohtori3，
Shohei Minami1
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, Graduate School of Medicine, Chiba
University－ 89 －

November 5th
R o o m 2

SS6-1

SS6-3

Implant Fracture in Adult Spinal Deformity Surgery with Multi-Rod▶ page305
Reinforcement○Yukitaka Nagamoto，Tomiya Matsumoto，Yoshifumi Takahashi，Masayuki Furuya，Motoki Iwasaki
Department of Orthopaedic Surgery, Osaka Rosai Hospital

SS6-4

Prospective investigation of perioperative complications after▶ page306
correction surgery for spinal deformity○Yohei Takahashi，Satoshi Suzuki，Masahiro Ozaki，Osahiko Tusji，Narihito Nagoshi，Mitsuru Yagi，Morio Matsumoto，Masaya Nakamura，
Kota Watanabe
Department of Orthopaedic Surgery, Keio University

SS6-5

Effect of vertebral level on screw insertion time and deviation ratein spinal deformity surgery using a spine robotic system ▶ page307○Jun Ueno，Tsutomu Akazawa，Yoshiaki Torii，Tasuku Umhara，
Masahiro Iinuma，Atuhiro Yoshida，Ken Tomochika，Hisateru Niki
Department of Orthopaedic Surgery, St. Marianna University School of Medicine

SS6-6

Pleural injury associated with an extrapleural approach to scoliosis▶ page308
does not decrease respiratory function○Kosuke Sato1，Toshiaki Kotani2，Tsuyoshi Sakuma2，Yasushi Iijima2，
Tsutomu Akazawa3，Syohei Minami2，Seiji Ohtori4，Masao Koda1，
Masashi Yamazaki1
1
Department of Orthopaedic Surgery, University of Tsukuba，
2
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，3
Department of Orthopaedic Surgery, St. Marianna University，
4
Department of Orthopedics Surgery, Chiba University

SS6-7

Misplaced pedicle screws in the lumbo-sacrum necessitating▶ page309
reoperation because of neurological symptoms○Seiichi Odate1，Jitsuhiko Shikata1，Shimei Tanida2，Hiroaki Kimura3
1
Department of Orthopedic Surgery, Gakkentoshi Hospital，2
Department of Orthopedic Surgery, Shiga General Hospital，3
Department of Orthopedic Surgery, Amagasaki General Medical Center

SS6-8

Incidence and Risk factor of Unplanned Return to Operation Room
▶ page310
in patients with Growing Rod Technique○Toru Yamaguchi，Haruhisa Yanagida
Department of Orthopaedic and Spine surgery, Fukuoka Children’sHospital

SS6-9

Surgical Complications for Patients with Cerebral Palsy○Hidemasa Umekoji，Ayato Nohara，Daiki Urayama，Masaaki Izuka，Shunichi Kishida，Takashi Ono
Department of Spine Surgery, JCHO Tokyo Shinjyuku Medical Center－ 90 －▶ page311

SS6-10

Risk Factors for 1-year Mortality in Cerebral Palsy Patients: A
Japanese regional population-based cohort study, the Shizuoka▶ page312
Study○Yoh Fujimoto1,2，Kazuharu Takikawa1
1
Department of Pediatric Orthopedics, Shizuoka Children’s Hospital，2
Graduate School of Public Health, Shizuoka Graduate University of Public HealthSS6-11

Infection Risk Assessment in Pediatric Neuromuscular Scoliosis▶ page313
with Pelvic Fusion○Naoyuki Nakamura1，Yuichirou Kawabe2，Yoichi Aota3，
Masaaki Uesugi4，Katsutaka Yamada5
1
Department of Orthopedic Surgery, Kanagawa Children's Medical Center，2
Department of Orthopedic Surgery, Yokohama City University，3
Department of Orthopedic Surgery, Saiwai hospital，
4
Department of Orthopedic Surgery, Odawara municipal hospital，
5
Department of Orthopedic Surgery, Yokohama brain and spine center

SS6-12

Characteristics of difficult postoperative extubation cases in▶ page314
scoliosis surgery for severely disabled children－ 91 －

November 5th
R o o m 2

○Mio Uchida1，Hiroki Oba1，Terue Hatakenaka1，Takuma Fukuzawa1，
Shota Ikegami1，Masashi Uehara1，Takayuki Kamanaka1，Yoshinari Miyaoka1，
Daisuke Kurogouchi1，Akari Shimizu2，Noriko Sakai3，Jun Takahashi1
1Department of orthopedics , shinshu university，2
Department of anesthesiology , shinshu university，3
orthopedics , Nagano Children`s HospitalRoom 32nd day - Saturday, November 5thMorning Seminar 3



8:00 ～ 9:00

Moderator：Gne Inoue（Kitasato University）
MS3

Feasibility of autologous transfusion and completely autologous▶ page185fibrin glue in spine surgery○Yuki Taniguchi1,2，Toshiyuki Ikeda3，Yoshitaka Matsubayashi2，So Kato2，
Yasushi Oshima2，Sakae Tanaka2，Kazuhiko Fukatsu1
1
Surgical Center, the University of Tokyo Hospital，2
Department of Orthopedics, the University of Tokyo Hospital，3
Department of Blood Transfusion, the University of Tokyo Hospital

Short Symposium 7

Muscle/Bone

9:10 ～ 10:00

Moderator：Hideki Nagashima（Tottori University）
Naobumi Hosogane（Kyorin University）
SS7-1

Examination of factors affecting dynamic postural control ability in▶ page315
patients with adolescent idiopathic scoliosis○Yoshiaki Oda1，Haruo Misawa1，Tomoko Tetsunaga1，Kouji Uotani1，
Hisakazu Shitozawa1，Masataka Ueda1，Ryouko Yamawaki2，Toshifumi Ozaki1
1
Department of Orthopaedic Surgery, Okayama university Hospital，2
Department of Rehabilitation Medicine, Okayama University Hospital

SS7-2

Evaluation of bone mineral density (BMD) using CT value foradolescent idiopathic scoliosis -Difference between concave side
▶ page316
and convex side-○Tomoto Suzuki，Hiromori Sagae，Michiaki Takagi
Department of Orthopaedics, Yamagata University Faculty of Medicine

SS7-3

Assessment of abdominal trunk muscle strength using an▶ page317
innovative device in patients with pediatric scoliosis○Yuki Kurokawa1,2，Satoru Demura2，Satoshi Kato1,2，Noriaki Yokogawa2，
Norihiro Oku2，Hiroyuki Tsuchiya2
1
Kanazawa University Hospital，2
Depertment of Orthopaedic Surgery, Graduate School of Medical Sciences,
Kanazawa University－ 92 －

SS7-4

Relationship between cervical sagittal alignment and skeletal
muscle mass in patients with adolescent idiopathic scoliosis▶ page318○Yusuke Mimura1，Masayuki Miyagi1，Yoshihide Tanaka1，Shinsuke Ikeda1，
Eiki Shirasawa1，Wataru Saito2，Takayuki Imura1，Toshiyuki Nakazawa1，
Gen Inoue1，Masashi Takaso1
1
Department of Orthopaedic Surgery, Kitasato University, School of Medicine，2
Kitasato University medical center

SS7-5

Asymmetry of upper limb skeletal muscle in Lenke type 1A▶ page319
adolescent idiopathic scoliosis○Tetsuro Ohba，Nobuki Tanaka，Kotaro Oda，Marina Katsu，Hayato Takei，Hirotaka Haro
Department of Orthopaedic Surgery, University of Yamanashi

SS7-6

Asessment of pre- and postoperative body composition withadolescent idiopathic scoliosis using bioimpedance analysis▶ page320○Hiromori Sagae，Tomoto Suzuki，Michiaki Takagi
Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine

SS7-7

Correlation between Bone Turnover Markers, Vertebral Body
Wedging and Cobb Angle in Adolescent Idiopathic Scoliosis▶ page321○Yohshiro Nitobe，Kanichiro Wada，Gentaro Kumagai，Toru Asari，Yasuyuki Ishibashi
Department of Orthopaedic Surgery, Hirosaki University Graduate School of
Medicine

The prevalence and characteristics of sarcopenia and dynapenia in▶ page322
patients with spinal disorders○Yoshihide Tanaka1，Masayuki Miyagi1，Shinzi Takahashi2，Kazuhide Inage3，
Masatoshi Hoshino2，Yusuke Hori2，Sumihisa Orita3，Gen Inoue1，Seizi Ootori3，
Hiroaki Nakamura2，Masashi Takasou1
1
Department of Orthopedics, Kitasato University，2
Department of Orthopedics, Osaka City University，3
Department of Orthopedics, Chiba University

SS7-9

Dysregulation of inflammatory pathways in adult spinal deformity▶ page323
patient with frailty○Tomohisa Tabata，Mitsuru Yagi，Satoshi Suzuki，Yohei Takahashi，Satoshi Nori，
Osahiko Tsuji，Narihito Nagoshi，Morio Matsumoto，Masaya Nakamura，
Kota Watanabe
Department of Orthopedic Surgery, Keio University School of Medicine－ 93 －

November 5th
R o o m 3

SS7-8

SS7-10Analysis of bone union within the LLIF cage: Autologous bone/▶ page324
beta-TCP versus autologous bone/DBM○Masaaki Chazono，Takumi Ikuta，Shinji Saito
Department of Orthopaedic Surgery, National Hospital Organization Utsunomiya
National Hospital

General Presentation 2-8

AIS surgery 3

10:05 ～ 11:01

Moderator：Katsumi Harimaya（Kyushu University Beppu Hospital）
O2-8-1Analysis of Preoperative and Operative Factors Influencing
Postoperative Shoulder Imbalance in Lenke Type 6C Adolescent▶ page237
Idiopathic Scoliosis○Teppei Suzuki，Koki Uno，Masaaki Ito，Kohei Kawakita
Department of Orthopaedic Surgery, Kobe Medical CenterO2-8-2Morphological analysis of the lower lumbar and lumbo-sacral
segment in adolescent idiopathic scoliosis with structural lumbar▶ page238
curve○Takashi Namikawa1，Akira Matsumura1，Masatoshi Hoshino1，Hiroshi Taniwaki1，
Yuuki Kinoshita1，Jun Park2，Junichi Shirakawa1，Hiroaki Nakamura3
1
Departmenrt of Orthopedic Surgery, Osaka City General Hospital，2
Departmenrt of Orthopedic Surgery, Baba Memorial Hospital，3
Departmenrt of Orthopedic Surgery, Osaka Metropolitan University

O2-8-3

Setting UIV in adolescent idiopathic scoliosis (Lenke type 5)○Kyotaro Ota，Hiroto Tachi，Taichi Tsuji
Department of Orthopaedic & Spine surgery, Toyota Kosei HospitalO2-8-4▶ page239

Surgical outcomes of posterior correction and fusion for Lenke type5 adolescent idiopathic scoliosis; surgical strategy to level L4 tilt
▶ page240○Kei Watanabe1，Masayuki Ohashi1，Hideki Tashi1，Tatsuo Makino1，
Keitaro Minato1，Hiroyuki Kawashima1，Kazuhiro Hasegawa3，Toru Hirano2
1
Department of Orthopedic Surgery, Niigata University，2
Department of Orthopedic Surgery, Uonuma Institute of Community Medicine,
Niigata University Medical and Dental Hospital，
3
Niigata Spine CenterO2-8-5Three-dimensional analysis of lumbar intervertebral discs in Lenke▶ page241
type 5 patients with adolescent idiopathic scoliosis○Shoji Seki1，Hiroto Makino1，Katsuhiko Kamei1，Hayato Futakawa1，
Taketoshi Yasuda1，Kenta Watanabe1，Yasuhito Yahara2，Yoshiharu Kawaguchi1
1
Department o Orthopaedic Surgery, University of Toyama，2
Department of Immunology and Cell Biology, University of Osaka－ 94 －

O2-8-6

Surgical results of posterior correction and fusion surgery for adultpatients with residual adolescent idiopathic scoliosis Lenke type 5▶ page242○Reo Shibata，Mitsuru Yagi，Satoshi Suzuki，Yohei Takahashi，Osahiko Tsuji，Satoshi Nori，Narihito Nagoshi，Morio Matsumoto，Masaya Nakamura，
Kota Watanabe
Department of Orthopaedic surgury, Keio university

O2-8-7

The risk factors for persistent coronal imbalance for idiopathic▶ page243
scoliosis with thoracolumbar/lumbar curve○Tomohiro Banno1，Yu Yamato1，Hiroki Oba2，Tetsuro Ohba3，
Tomohiko Hasegawa1，Go Yoshida1，Hideyuki Arima1，Shin Oe1，Koichiro Ide1，
Tomohiro Yamada1，Jun Takahashi2，Hirotaka Haro3，Yukihiro Matsuyama1
1
Department of Orthopaedic Surgery, Hamamatsu University School of Medicine，2
Department of Orthopaedic Surgery, Shinshu University，3
Department of Orthopaedic Surgery, Yamanashi University

Short Symposium 8

Surgery/Anatomy

11:10 ～ 12:00

Moderator：Toru Hirano（Uonuma Kikan Hospital）
Kanichiro Wada（Hirosaki University）
SS8-1

Factors of development and progression in postoperative scoliosis▶ page325
after cardiac surgery for congenital heart disease

SS8-2

In vivo deformation of anatomically pre?bent rods in thoracic▶ page326
adolescent idiopathic scoliosis○Hideki Sudo1，Hiroyuki Tachi1,2，Yuichiro Abe2，Terufumi Kokabu3，
Katsuhisa Yamada1
1
Department of Orthopaedic Surgery, Hokkaido University，2
Department of Orthopaedic Surgery, Eniwa Hospital，3
Department of Orthopaedic Surgery, Hokkaido Medical Center

SS8-3

Evaluations of   Shoulder Balance in Adults Spinal Deformity▶ page327
Patients undergoing corrective surgery○Masahiko Furuya，Masaaki Ito，Keita Nakashima，Teppei Suzuki，Kohei Kawakita，Koki Uno
Department of Orthopedic Surgery, Kobe Medical Center－ 95 －

November 5th
R o o m 3

○Ichiro Kawamura1，Hiroyuki Tominaga1，Hiroto Tokumoto1，Daisuke Sakuma1，
Masato Sanada1，Takuya Yamamoto2，Noboru Taniguchi1
1
Department of Orthopaedic Surgery, Graduate School of Medicine and Dental
Science, Kagoshima University，2
Department of Orthopaedic Surgery, Japanese Red Cross Kagoshima HospitalSS8-4

Changes of distance between median arcuate ligament and originof celiac artery in the patients after corrective spine surgery▶ page328○Shuhei Ohyama1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Shohei Minami1，Seiji Ohtori2
1
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，2
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba
University

SS8-5

Clinical and radiological evaluation of growing rod technique for▶ page329
neuromuscular scoliosis○Yoshihide Tanaka，Gen Inoue，Masayuki Miyagi，Wataru Saito，Takayuki Imura，Toshiyuki Nakazawa，Shinsuke Ikeda，Yusuke Mimura，Masashi Takaso
Department of Orthopaedic Surgery, Kitasato University School of Medicine

SS8-6

Adolescent idiopathic scoliosis patients are associated with flat
thorax and tend to have shorter distances between sternum and▶ page330
heart○Yuki Mihara1,2，Tomohiko Hasegawa2，Yu Yamato2，Go Yoshida2，
Tomohiro Banno2，Hideyuki Arima2，Shin Oe2，Koichiro Ide2，
Tomohiro Yamada2，Kenta Kurosu2，Keiichi Nakai2，Yasutsugu Yukawa1，
Fumihiko Kato1，Yukihiro Matsuyama2
1
Department of Orthopedic surgery, Spine and spinal cord surgery center, Nagoya
Kyoritsu Hospital，2
Department of Orthopedics surgery, Hamamatsu University School of Medicine

SS8-7

Association between thoracic kyphosis and thoracic cage anteriorposterior diameter in adolescent idiopathic scoliosis underwent▶ page331posterior spine surgery○Kanichiro Wada，Gentaro Kumagai，Toru Asari，Yoshiro Nitobe，
Yasuyuki Ishibashi
Department of Orthopaedic Surgery, Hirosaki University Graduate School of
Medicine

SS8-8

Deformation of rib cage in patients with adolescent idiopathic
scoliosis -Upper rib cage impact on shoulder imbalance- ▶ page332○Yoko Ishikawa1,2，Yuichirou Abe1，Terufumi Kokabu1,2，Hisataka Suzuki1,2，
Masato Uematsu1，Hiroyuki Tachi1,2，Yasushi Yanagibashi1，
Takahiko Hyakumachi1，Katsuhisa Yamada2，Hideki Sudo2，Norimasa Iwasaki2
1
Department of Orthopaedic Surgery,Wajyo-kai Eniwa hospital，2
Department of Orthopaedic Surgery, Hokkaido University－ 96 －

SS8-9Measurement of postoperative apical vertebral rotation using
radiographic images - Quantitative evaluation using inverse▶ page333
trigonometric functions○Shun Okuwaki1，Toshiaki Kotani1，Tsuyoshi Sakuma1，Yasushi Iijima1，
Shuhei Oyama1，Shuhei Iwata1，Tsutomu Akazawa2，Shohei Minami1，
Seiji Ohtori3，Masashi Yamazaki4
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, Graduate School of Medicine, Chiba
University，
4
Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba

SS8-10

Correction of vertebral column rotation in adult spinal deformity▶ page334○Hiroto Tachi，Kyotaro Ota，Taichi Tsuji
Department of Orthopaedic & Spine Surgery, Toyota Kosei Hospital

Luncheon Seminar 9



12:10 ～ 13:10

Moderator：Naoyuki Nakamura（Kanagawa Children's Medical Center）
LS9-1

Surgical strategy for optimal 3-dimensional correction of selective▶ page180
thoracic fusion in Adolescent Idiopathic Scoliosis○Akira Matsumura
Scoliosis Center, Department of Orthopaedic Surgery, Osaka City General Hospital

LS9-2

The sagittal plane in idiopathic scoliosis -Current concepts in▶ page181
surgical treatment-

Short Symposium 9 Spinopelvic/Lower Extrimity Alignment

14:25 ～ 15:25

Moderator：Tomoaki Toyone（Showa University）
Yuichiro Abe（Wajyo-kai Eniwa Hospital）
SS9-1

The relation of pelvic parameter and spinal alignment in post▶ page335
surgical AIS Lenke type 5 patient○Takahiro Kitagawa，Satoshi Suzuki，Yohei Takahashi，Mitsuru Yagi，
Masahiro Ozaki，Osahiko Tsuji，Narihito Nagoshi，Morio Matsumoto，
Masaya Nakamura，Kota Watanabe
Department of Orthopaedic Surgery, Keio Universitry School of Medicine－ 97 －

November 5th
R o o m 3

○Ryan Goodwin
Section head, Orthopaedics surgery, Cleveland Clinic Children’sSS9-2

Does the sacral  tilt in idiopathic scoliosis Lenke type 5 change▶ page336
before and after surgery?

○Satoshi Takada，Satoshi Inami，Hiroshi Moridaira，Haruki Ueda，Hidekazu Arai，
Tomoya Kanto，Hiroshi Taneichi
Department of orthopedic surgery, Dokkyo medical university

SS9-3

Postoperative change in Lower Lunbar and Sacral parameters in▶ page337
Lenke5C patiants○Nobuki Tanaka，Tetsurou Ooba，Hirotaka Haro
Department of Yamanashi Universuty

SS9-4

Does the lumbosacral transitional vertebrae affect postoperative▶ page338
outcomes of Lenke type 5 idiopathic scoliosis?

○Hiroto Makino，Shoji Seki，Hayato Futakawa，Katsuhiko Kamei，
Yoshiharu Kawaguchi
Department of Orthopaedisc Surgery, University of Toyama

SS9-5

Lumbar Spondylolysis Associated with Adolescent Idiopathic
Scoliosis is More Common in the Upper Lumbar Level than Usual▶ page339○Takahiro Sunami1,2,9,10，Toshiaki Kotani2,10，Yuki Taniguchi3,10，Ryo Sugawara4,10，
Katsushi Takeshita4,10，Satoru Demura5,10，Takuya Yamamoto6,10，
Tsuyoshi Sakuma2,10，Yasushi Iijima2,10，Tsutomu Akazawa7,10，Shohei Minami2,10，
Seiji Ohtori8，Masashi Yamazaki9
1
Department of Orthopedic Surgery, Tsukuba Central Hospital，2
Department of Orthopedic Surgery, Seirei Sakura Citizen Hospital，3
Department of Orthopedic Surgery, University of Tokyo，
4
Department of Orthopedic Surgery, Jichi Medical University，
5
Department of Orthopedic Surgery, Kanazawa University，
6
Department of Orthopedic Surgery, Japanese Red Cross Society Kagoshima
Hospital，7
Department of Orthopedic Surgery, St. Marianna University School of Medicine，8
Department of Orthopedic Surgery, Chiba University，
9
Department of Orthopedic Surgery, University of Tsukuba，
10Japan Spinal Deformity InstituteSS9-6

Does the upper line of the sacral ala approximate a horizontal line
▶ page340
in standing full spine X-ray of idiopathic scoliosis?

○Masaki Ikejiri，Hideki Shigematsu，Sachiko Kawasaki，Yuma Suga，
Yusuke Yamamoto，Yasuhito Tanaka
Department of Orthopedics, Nara Medical University－ 98 －

SS9-7

Does a functional leg length discrepancy affect an anatomical
leg length discrepancy? - investigation in adolescent idiopathic▶ page341
scoliosis patients-○Yuma Suga，Hideki Shigematsu，Sachiko Kawasaki，Masaki Ikejiri，Yasuhito Tanaka
Department of Orthopedics and Surgery, Nara Medical University

SS9-8

Examination of knee flexion angle prediction method using the▶ page342
angle of the proximal femur

SS9-9Surgical Results of Posterior Corrective Fusion for High Grade▶ page343
Dysplastic Lumbar Spondylolisthesis○Junichi Shirakawa1，Akira Matsumura1，Takashi Namikawa1，
Masatoshi Hoshino1，Hiroshi Taniwaki1，Yuki Kinoshita1，Jun Paku1，
Hiroaki Nakamura2
1
Osaka City General Hospital，2
Department of Orthopaedic Surgery, Osaka Metropolitan University Graduate
School of Medicine－ 99 －

November 5th
R o o m 3

○Kenyu Ito1，Kazuhiro Hasegawa2,17，Kazuyuki Otani3,17，Shun Hatsushikano4，
Tokumi Kanemura1,17，Yu Yamato5,17，Jun Mizutani6,17，Satoshi Inami7,17，
Takachika Shimizu8,17，Ryuichi Takemasa9,17，Yusuke Nakao10,17，
Kentaro Fukuda11,17，Naobumi Hosogane12,17，Yoshitaka Matsubayashi13,17，
Naohisa Miyakoshi14,17，Kei Watanabe15,17，Motoki Iwasaki16,17
1
Department of Orthopaedic Surgery, Konan Kosei Hospital，
2
Niigata Spine Surgery Center，3
Department of Orthopaedic Surgery, Kudanzaka Hospital，
4
Department of Radiological Technology, School of Health Science, University of
Niigata，5Division of Geriatric Musculoskeltal Health, Department of Orhopaedic Surgery,
Hamamatsu University School of Medicine，6
Department of Orthopaedic Surgery, Tokyo Women's Medical University Yachiyo
Medical Center，
7
Department of Orthopaedic Surgery, Dokkyo Medical University，8
Gunma Spine Center, Harunaso Hospital，
9
Department of Spinal Surgery, Chigasaki Chuo Hospital，
10
Department of Orthopaedic Surgery, Spine Center, Sanraku Hospital，
11
Department of Orthopaedic Surgery, Saiseikai Yokohamashi Tobu Hosipital，
12
Department of Orthopaedic Surgery, Kyorin University，
13
Department of Orthopaedic Surgery, The University of Tokyo，
14
Department of Orthopaedic Surgery, Akita University，
15
Department of Orthopaedic Surgery, Niigata University，
16
Department of Orthopaedic Surgery, Osaka Rosai Hospital，
17Japanese Scoliosis Society, Adult Spinal Deformity･Alignment Committee

SS9-10

Association of Lumbosacral Transitional Vertebra (LSTV)   with▶ page344
Whole-body and Spinopelvic Sagittal Alignment○Jun Ouchida1，Hiroaki Nakashima1，Tokumi Kanemura2，Kenyu Ito2，
Mikito Tsushima2，Masaaki Machino1，Sadayuki Ito1，Naoki Segi1，
Hiroyuki Tomita2，Kazuaki Morishita1，Yukihito Ode1，Yasuhiro Nagatani2，
Shiro Imagama1
1
Department of Orthopedics, Nagoya University Graduate school of Medicine，2
Department of Orthopedics, Konan Kosei HospitalSS9-11

Validation of the Incidence of Mechanical Complication and Global
Alignment and Proportion (GAP) Score after Adult Spinal Deformity▶ page345
Surgery○Tomoya Kanto，Satoshi Inami，Hiroshi Moridaira，Haruki Ueda，Hidekazu Arai，
Satoshi Takada，Hiroshi Taneichi
Department of Orthopaedic Surgery Dokkyo Medical University

SS9-12

Sarcopenia at the upper instrumented vertebra is moresignificantly associated with proximal junctional kyphosis after▶ page346
long fusion than osteopenia○Shunji Tsutsui，Masanari Takami，Hiroshi Yamada
Department of Orthopaedic Surgery, Wakayama Medical University－ 100 －