Faculty Profiles - IMAGAMA Shiro

Papers - IMAGAMA Shiro

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Improvement of atelectasis after corrective fusion for lordoscoliosis with intrathoracic vertebral protrusion in arthrogryposis multiplex congenita: efficacy of positive-pressure ventilation test. Reviewed

Shiro Imagama,Noriaki Kawakami, Taichi Tsuji, Tetsuya Ohara, Nohara A, Matsubara Y, Tokumi Kanemura, Yoshito Katayama, Ryoji Tauchi, Naoki Ishiguro.

J Orthop Sci Vol. 18 ( 5 ) page： 856-860 2013.9

Influence of spinal sagittal alignment, body balance, muscle strength, and physical ability on falling of middle-aged and elderly males Reviewed

Shiro Imagama, Zenya Ito, Norimitsu Wakao, Taisuke Seki, Kenichi Hirano, et al.

Eur Spine J Vol. 22 ( 6 ) page： 1346-1353 2013

Surgical treatment for kyphoscoliosis of Cohen syndrome Reviewed

Shiro Imagama, Noriaki Kawakami, et al.

Nagoya J Med Sci page： in press 2013

Radiographic Adjacent Segment Degeneration at Five Years After L4/5 Posterior Lumbar Interbody Fusion With Pedicle Screw Instrumentation: Evaluation by Computed Tomography and Annual Screening With Magnetic Resonance Imaging Reviewed

Shiro Imagama, Noriaki Kawakami,et al.

J Spinal Disord Tech page： in press 2013

Treatment for primary spinal atypical teratoid/rhabdoid tumor Reviewed

Shiro Imagama, Norimitsu Wakao, Kei Ando, Kenichi Hirano, Ryoji Tauchi, Akio Muramoto, Hiroki Matsui, Tomohiro Matsumoto, Ukai J, Kobayashi K, Shinjo R, Hiroaki Nakashima, Maruyama K, Yukihiro Matsuyama, Naoki Ishiguro.

J Orthop Sci Vol. 17 ( 6 ) page： 822-827 2012.11

Influence of lumbar kyphosis and back muscle strength on the symptoms of gastroesophageal reflux disease in middle-aged and elderly people. Reviewed

Shiro Imagama,Yukiharu Hasegawa, Norimitsu Wakao, Kenichi Hirano, Hamajima N, Naoki Ishiguro.

Eur Spine J Vol. 21 ( 11 ) page： 2149-2157 2012.11

Posterior Surgery for Adolescent Idiopathic Scoliosis With Pedicle Screws and Ultra-high Molecular Weight Polyethylene Tape: Achieving the Ideal Thoracic Kyphosis Reviewed

Shiro Imagama, Zenya Ito, Norimitsu Wakao, Kei Ando, Kenichi Hirano, Ryoji Tauchi, Akio Muramoto, Hiroki Matsui, Tomohiro Matsumoto, Yoshihito Sakai, Yoshito Katayama, Yukikiro Matsuyama, Naoki Ishiguro.

J Spinal Disord Tech page： in press 2012

Differentiation of localization of spinal hemangioblastomas based on imaging and pathological findings Reviewed

Shiro Imagama, Zenya Ito, Norimitsu Wakao, Yoshihito Sakai, Fumihiko Kato, Yasutsugu Yukawa, Koji Sato, Kei Ando, Kenichi Hirano, Ryoji Tauchi, Akio Muramoto, Yoshio Hashizume, Yukihiro Matsuyama, Naoki Ishiguro

Eur Spine J Vol. 20 ( 8 ) page： 1377-1384 2011.8

Factors Related to Surgical Outcome After Posterior Decompression and Fusion for Craniocervical Junction Lesions Associated with Osteogenesis Imperfecta Reviewed

Shiro Imagama, Norimitsu Wakao, Hiroshi Kitoh, Yukihiro Matsuyama, Naoki Ishiguro

Eur Spine J Vol. 20 page： 320-325 2011

An arterial pulse examination is not sufficient for diagnosis of peripheral arterial disease in lumbar spinal canal stenosis: a prospective multicenter study Reviewed

Shiro Imagama, Yukihiro Matsuyama, Yoshihito Sakai, Zenya Ito, Norimitsu Wakao, Masao Deguchi, Yudo Hachiya, Yoshimitsu Osawa, Hisatake Yoshihara, Mitsuhiro Kamiya, Tokumi Kanemura, Fumihiko Kato,Yasutsugu Yukawa, Toru Yoshida, Atsushi Harada, Noriaki Kawakami, Kazuhiro Suzuki, Yuji Matsubara, Manabu Goto, Koji Sato, Koji Maruyama, Makoto Yanase, Yoshihiro Ishida, Naoto Kuno, Takao Hasegawa, Naoki Ishiguro

Spine Vol. 36 ( 15 ) page： 1204-1210 2011

*Preventive effect of artificial ligamentous stabilization on the upper adjacent segment impairment following Posterior Lumbar Interbody Fusion. Reviewed

Shiro Imagama, Noriaki Kawakami, Yuji Matsubara, Tokumi Kanemura, Taichi Tsuji, Tetsuya Ohara.

Spine Vol. 34 ( 25 ) page： 2775-2781 2009.12

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

RESULTS.: In the S group, significant posterior intervertebral expansion on radiograph was less advanced at the final follow-up (P < 0.005). MRI images demonstrated less significant aggravation of disc degeneration (P < 0.001) and progression of adjacent stenosis (P < 0.01), at L3/4 in the S group. Adjacent intervertebral changes on MRI occurred relatively early after surgery, suggesting that changes were due to transition syndrome, but not age-related changes. CONCLUSION: These results demonstrated an effect of soft stabilization for the prevention of transition syndrome in lumbar spine fusion. Although the postoperative follow-up periods in this study were not sufficiently long to reach a definitive conclusion, intervertebral breakdown adjacent to the rigid spine fusion could be diminished by the application of soft stabilization.

*Image classification of idiopathic spinal cord herniation based on symptom severity and surgical outcome: a multicenter study. Reviewed

Shiro Imagama, Yukihiro Matsuyama ,Yoshihito Sakai, Hiroshi Nakamura Yoshito Katayama, Zenya Ito , Norimitsu Wakao, Koji Sato , Mitsuhiro Kamiya, Fumihiko Kato ,Yasutsugu Yukawa , Yasushi Miura , HisatakeYoshihara , Kazuhiro Suzuki , Kei Ando, Kenichi Hirano ,Ryoji Tauchi , Akio Muramoto , and Naoki Ishiguro.

Journal of Neurosurgery Spine Vol. 11 ( 3 ) page： 310-9 2009.9

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

RESULTS: Patients with Type P herniation had a good postoperative recovery, and those with a Type C location had significant severe preoperative lower-extremity paralysis and a significantly poor postoperative recovery. Patients with a bone defect had a significantly severe preoperative myelopathy, but showed no difference in postoperative recovery. CONCLUSIONS: The authors' results showed that a Type C classification and a bone defect have strong relationships with severity of symptoms and surgical outcome and are important imaging and clinical features for ISCH. These findings may allow surgeons to determine the severity of preoperative symptoms and the probable surgical outcome from imaging.

*C5 Palsy After Cervical Laminoplasty: A Multicenter Study. Reviewed

Shiro Imagama, Yukihiro Matsuyama, Noriaki Kawakami, Mitsuhiro Kamiya, Yasutsugu Yukawa, Tokumi Kanemura, Naoki Ishiguro, and Nagoya Spine Group.

Journal of Bone and Joint Surgery-British Volume Vol. In press page： 393-400 2009

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

We have reviewed 1858 patients who had undergone a cervical
laminoplasty and identified 43 (2.3%) who had developed a C5
nerve palsy with a MRC grade of 0 to 2 in the deltoid, with or
without involvement of the biceps, but with no loss of muscular
strength in any other muscles. The clinical features and radiological
findings of patients with (group P) and without (group
C) C5 palsy were compared. CT scanning of group P revealed a
significant narrowing of the intervertebral foramen of C5 (p <
0.005) and a larger superior articular process (p < 0.05). On
MRI, the posterior shift of the spinal cord at C4-5 was significantly
greater in group P, than in group C (p < 0.01). This study
is the first to correlate impairment of the C5 nerve root with a
C5 palsy. It may be that early foraminotomy in susceptible individuals
and the avoidance of tethering of the cord by excessive
laminoplasty may prevent a post-operative palsy of the C5
nerve root.

Response to Letter to the Editor Regarding: Multimodal Deep Learning-Based Radiomics Approach for Predicting Surgical Outcomes in Patients With Cervical Ossification of the Posterior Longitudinal Ligament.

Maki S, Furuya T, Katsumi K, Nakajima H, Honjoh K, Watanabe S, Kaito T, Takenaka S, Kanie Y, Iwasaki M, Furuya M, Inoue G, Miyagi M, Ikeda S, Imagama S, Nakashima H, Ito S, Takahashi H, Kawaguchi Y, Futakawa H, Murata K, Yoshii T, Hirai T, Koda M, Ohtori S, Yamazaki M

Spine Vol. 50 ( 8 ) page： E159 - E160 2025.4

Selumetinib for symptomatic, inoperable plexiform neurofibromas in pediatric patients with neurofibromatosis type 1: the first single-center real-world case series in Japan. Open Access

Nishida Y, Nonobe N, Kidokoro H, Kato T, Takeichi T, Ikuta K, Urakawa H, Sakai T, Koike H, Fujito T, Imagama S

Japanese journal of clinical oncology Vol. 55 ( 4 ) page： 372 - 376 2025.4

Discontinuation vs. continuation of concomitant methotrexate in patients with rheumatoid arthritis on certolizumab pegol: results from a randomised, controlled trial. Open Access

Asai S, Kojima T, Ishikawa H, Miyake N, Kodera M, Hasegawa H, Sobue Y, Kanayama Y, Shimada H, Hirano Y, Hidaka T, Fujibayashi T, Matsumoto T, Kobayakawa T, Yasuoka H, Kato T, Hanabayashi M, Kaneko Y, Tada M, Murata K, Misaki K, Ando M, Kuwatsuka Y, Suzuki M, Terabe K, Imagama S

Arthritis research & therapy Vol. 27 ( 1 ) page： 82 2025.4

Direction of pelvic obliquity after total hip arthroplasty for dysplastic hip osteoarthritis: a retrospective observational study. Open Access

Yokoi H, Osawa Y, Takegami Y, Ozawa Y, Funahashi H, Imagama S

Archives of orthopaedic and trauma surgery Vol. 145 ( 1 ) page： 195 2025.3

Clinical Outcomes Associated with Screw Loosening in S2 Alar-Iliac Fixation in Adult Spinal Deformity. Open Access

Nagatani Y, Nakashima H, Kanemura T, Tsushima M, Tomita H, Morishita K, Oyama H, Ito S, Segi N, Ouchida J, Yamauchi I, Ode Y, Okada Y, Imagama S

Journal of clinical medicine Vol. 14 ( 6 ) 2025.3

Association of spinal ankylosis with spinal mobility and functional impairment in radiographic axial spondyloarthritis: A computed tomography study.

Kishimoto K, Asai S, Suzuki M, Sato R, Hasegawa J, Ohno Y, Terabe K, Imagama S

Modern rheumatology 2025.3

Is routine implant removal necessary after open reduction internal fixation of Lisfranc injuries? Comparing functional outcomes of routine and on-demand removal: A multicenter study.

Muto S, Takegami Y, Nakashima H, Mishima K, Kumagai H, Imagama S

Injury Vol. 56 ( 4 ) page： 112240 2025.3

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Papers - IMAGAMA Shiro