Motonori Hashimoto, Takashi Hirai, Kenichiro Sakai, Kentaro Yamada, Kentaro Sakaeda, Jun Hashimoto, Satoru Egawa, Shingo Morishita, Yu Matsukura, Hiroyuki Inose, Yutaka Kobayashi, Hiroaki Onuma, Kyohei Sakaki, Masaki Tomori, Ichiro Torigoe, Miharu Ochi, Hiroki Ishiguro, Satoshi Tamura, Shuta Ushio, Tsuyoshi Yamada, Norihiko Miyake, Kazuo Kusano, Kazuyuki Otani, Shigeo Shindo, Yoshiyasu Arai, Atsushi Okawa, Toshitaka Yoshii. Comparison of Postoperative Complications and Outcomes in Anterior Cervical Spine Surgery: Ossification of the Posterior Longitudinal Ligament Versus Cervical Spondylotic Myelopathy. Clin Spine Surg. 2024.05; 37 (4): 170-177. ( PubMed, DOI )

Kentaro Yamada, Toshitaka Yoshii, Takashi Hirai, Atsushi Kudo, Nobuyuki Nosaka, Satoru Egawa, Yu Matsukura, Hiroyuki Inose, Atsushi Okawa. Action protocol of medical staff for airway obstruction after anterior cervical spine surgery: A systematic review of case reports. J Orthop Sci. 2024.04; S0949-2658 (24): 00056-3. ( PubMed, DOI )

Takashi Hirai, Satoru Egawa, Kenichiro Sakai, Hiroaki Onuma, Jun Hashimoto, Kurando Utagawa, Shingo Morishita, Kentaro Yamada, Yu Matsukura, Yoshiyasu Arai, Toshitaka Yoshii. Novel Technique of Anterior Foraminotomy Based on Augmented Reality with Computed Tomography Navigation System: A Case Report. Spine Surg Relat Res. 2024.01; 8 (1): 114-117. ( PubMed, DOI )

Hiroyuki Inose, Takuya Takahashi, Yu Matsukura, Jun Hashimoto, Kurando Utagawa, Satoru Egawa, Kentaro Yamada, Takashi Hirai, Toshitaka Yoshii. Factors Associated With Nonunion After Cervical Fusion Surgery. Cureus. 2023.12; 15 (12): e50866. ( PubMed, DOI )

Kentaro Yamada, Toshitaka Yoshii, Mikayo Toba, Atsushi Kudo, Satoru Egawa, Yu Matsukura, Takashi Hirai, Hiroyuki Inose, Kiyohide Fushimi, Atsushi Okawa. Risk Factors for Postoperative Unfavorable Ambulatory Status After Spinal Surgery for Metastatic Spinal Tumor. Spine (Phila Pa 1976). 2023.10; 48 (20): 1419-1426. ( PubMed, DOI )

Hiroyuki Inose, Takuya Takahashi, Yu Matsukura, Jun Hashimoto, Kurando Utagawa, Satoru Egawa, Kentaro Yamada, Takashi Hirai, Kunihiko Takahashi, Toshitaka Yoshii. Effect of vitamin D deficiency on surgical outcomes of degenerative cervical myelopathy. N Am Spine Soc J. 2023.09; 15 100239. ( PubMed, DOI )

Atsuyuki Kawabata, Kenichiro Sakai, Kentaro Yamada, Kurando Utagawa, Jun Hashimoto, Shingo Morishita, Yu Matsukura, Takuya Oyaizu, Takashi Hirai, Hiroyuki Inose, Masaki Tomori, Ichiro Torigoe, Hiroaki Onuma, Kazuo Kusano, Kazuyuki Otani, Yoshiyasu Arai, Shigeo Shindo, Atsushi Okawa, Toshitaka Yoshii. The lower Osteotomy Level is Associated With Decreased Revision Surgery Due to Mechanical Complications After Three-Column Osteotomy in Patients With Adult Spinal Deformity: A Multi-Institutional Retrospective Study. Global Spine J. 2023.08; 21925682231196449. ( PubMed, DOI )

Toyoda H, Terai H, Yamada K, Kato M, Suzuki A, Takahashi S, Tamai K, Yabu A, Iwamae M, Sawada Y, Nakamura H. A decision tree analysis to predict clinical outcome of minimally invasive lumbar decompression surgery for lumbar spinal stenosis with and without coexisting spondylolisthesis and scoliosis. The spine journal : official journal of the North American Spine Society. 2023.07; 23 (7): 973-981. ( PubMed, DOI )

Suzuki Akinobu, Yamada Kentaro, Yabu Akito, Tamai Koji, Takahashi Shinji, Inui Kentaro, Okano Tadashi, Koike Tatsuya, Nakamura Hiroaki. Neck pain and related factors in patients with rheumatoid arthritis MODERN RHEUMATOLOGY. 2023.04; 33 (3): 503-508. ( PubMed, DOI )

Yamada Kentaro, Toyoda Hiromitsu, Hyakumachi Takahiko, Abe Yuichiro, Takahashi Shinji, Suzuki Akinobu, Terai Hidetomi, Nakamura Hiroaki. Less-invasive decompression procedures can reduce risk of reoperation for lumbar spinal stenosis with diffuse idiopathic skeletal hyperostosis extended to the lumbar segment: analysis of two retrospective cohorts EUROPEAN SPINE JOURNAL. 2023.02; 32 (2): 505-516. ( PubMed, DOI )

Kentaro Yamada, Yusuke Hori, Toshitaka Yoshii, Shunki Iemura, Atsushi Okawa. Pneumothorax by Penetrating Endplate Screw for Diffuse Idiopathic Skeletal Hyperostosis-Related Thoracolumbar Fracture. Cureus. 2023.01; 15 (1): e33440. ( PubMed, DOI )

Yamada Kentaro, Ieguchi Makoto, Takahashi Shinji, Nakamura Hiroaki. Life Expectancy Is Poor in Patients with Diffuse Idiopathic Skeletal Hyperostosis-Related Pyogenic Vertebral Osteomyelitis Spine Surgery and Related Research. 2022.11; 6 (6): 654-663. ( ichushi )

Yamada Kentaro, Suzuki Akinobu, Takahashi Shinji, Inui Kentaro, Koike Tatsuya, Okano Tadashi, Yabu Akito, Hori Yusuke, Toyoda Hiromitsu, Nakamura Hiroaki. Risk factors for low back pain increase in rheumatoid arthritis: Analysis of a 7-year follow-up study MODERN RHEUMATOLOGY. 2022.10; 32 (6): 1027-1034. ( PubMed, DOI )

Habibi Hasibullah, Toyoda Hiromitsu, Terai Hidetomi, Yamada Kentaro, Hoshino Masatoshi, Suzuki Akinobu, Takahashi Shinji, Tamai Koji, Salimi Hamidullah, Hori Yusuke, Yabu Akito, Nakamura Hiroaki. Incidence of postoperative progressive segment degeneration at decompression and adjacent segments after minimally invasive lumbar decompression surgery: a 5-year follow-up study JOURNAL OF NEUROSURGERY-SPINE. 2022.07; 37 (1): 96-103. ( PubMed, DOI )

Tomonori Ozaki, Kentaro Yamada, Hiroaki Nakamura. Usefulness of Preoperative Planning by Three-Dimensional Planning Software for Pedicle Screw Placement in Thoracolumbar Surgeries: <i>Misplacement Rate and Associated Risk Factors</i> 2022.05; 6 (3): 279-287. ( DOI )

Salimi Hamidullah, Toyoda Hiromitsu, Terai Hidetomi, Yamada Kentaro, Hoshino Masatoshi, Suzuki Akinobu, Takahashi Shinji, Tamai Koji, Hori Yusuke, Yabu Akito, Nakamura Hiroaki. Mid-term changes in spinopelvic sagittal alignment in lumbar spinal stenosis with coexisting degenerative spondylolisthesis or scoliosis after minimally invasive lumbar decompression surgery: minimum five-year follow-up SPINE JOURNAL. 2022.05; 22 (5): 819-826. ( PubMed, DOI )

Yamada Kentaro, Toyoda Hiromitsu, Takahashi Shinji, Tamai Koji, Suzuki Akinobu, Hoshino Masatoshi, Terai Hidetomi, Nakamura Hiroaki. Facet Joint Opening on Computed Tomography Is a Predictor of Poor Clinical Outcomes After Minimally Invasive Decompression Surgery for Lumbar Spinal Stenosis SPINE. 2022.03; 47 (5): 405-413. ( PubMed, DOI )

Yamada Kentaro, Toyoda Hiromitsu, Takahashi Shinji, Tamai Koji, Suzuki Akinobu, Hoshino Masatoshi, Terai Hidetomi, Nakamura Hiroaki. Relationship between facet joint opening on CT and facet joint effusion on MRI in patients with lumbar spinal stenosis: analysis of a less invasive decompression procedure JOURNAL OF NEUROSURGERY-SPINE. 2022.03; 36 (3): 376-384. ( PubMed, DOI )

Yamada Kentaro, Suzuki Akinobu, Takahashi Shinji, Inui Kentaro, Koike Tatsuya, Okano Tadashi, Yabu Akito, Hori Yusuke, Toyoda Hiromitsu, Nakamura Hiroaki. Incidence of and risk factors for spondylolisthesis, scoliosis, and vertebral fracture in rheumatoid arthritis JOURNAL OF BONE AND MINERAL METABOLISM. 2022.01; 40 (1): 120-131. ( PubMed, DOI )

Yamada Kentaro, Abe Yuichiro, Yanagibashi Yasushi, Hyakumachi Takahiko, Nakamura Hiroaki. Risk Factors for Reoperation at Same Level after Decompression Surgery for Lumbar Spinal Stenosis in Patients with Diffuse Idiopathic Skeletal Hyperostosis Extended to the Lumbar Segments Spine Surgery and Related Research. 2021.11; 5 (6): 381-389. ( ichushi )

Salimi Hamidullah, Toyoda Hiromitsu, Yamada Kentaro, Terai Hidetomi, Hoshino Masatoshi, Suzuki Akinobu, Takahashi Shinji, Tamai Koji, Hori Yusuke, Yabu Akito, Nakamura Hiroaki. The effect of minimally invasive lumbar decompression surgery on sagittal spinopelvic alignment in patients with lumbar spinal stenosis: a 5-year follow-up study JOURNAL OF NEUROSURGERY-SPINE. 2021.08; 35 (2): 177-184. ( PubMed, DOI )

Toyoda Hiromitsu, Yamada Kentaro, Terai Hidetomi, Hoshino Masatoshi, Suzuki Akinobu, Takahashi Shinji, Tamai Koji, Ohyama Shoichiro, Hori Yusuke, Yabu Akito, Salimi Hamidullah, Nakamura Hiroaki. Classification and prognostic factors of residual symptoms after minimally invasive lumbar decompression surgery using a cluster analysis: a 5-year follow-up cohort study EUROPEAN SPINE JOURNAL. 2021.04; 30 (4): 918-927. ( PubMed, DOI )

Hori Yusuke, Hoshino Masatoshi, Inage Kazuhide, Miyagi Masayuki, Takahashi Shinji, Ohyama Shoichiro, Suzuki Akinobu, Tsujio Tadao, Terai Hidetomi, Dohzono Sho, Sasaoka Ryuichi, Toyoda Hiromitsu, Kato Minori, Matsumura Akira, Namikawa Takashi, Seki Masahiko, Yamada Kentaro, Habibi Hasibullah, Salimi Hamidullah, Yamashita Masaomi, Yamauchi Tomonori, Furuya Takeo, Orita Sumihisa, Maki Satoshi, Shiga Yasuhiro, Inoue Masahiro, Inoue Gen, Fujimaki Hisako, Murata Kosuke, Kawakubo Ayumu, Kabata Daijiro, Shintani Ayumi, Ohtori Seiji, Takaso Masashi, Nakamura Hiroaki. Gender-specific analysis for the association between trunk muscle mass and spinal pathologies SCIENTIFIC REPORTS. 2021.04; 11 (1): 7816. ( PubMed, DOI )

Yamada K, Abe Y, Yanagibashi Y, Hyakumachi T, Nakamura H. Risk Factors for Reoperation at Same Level after Decompression Surgery for Lumbar Spinal Stenosis in Patients with Diffuse Idiopathic Skeletal Hyperostosis Extended to the Lumbar Segments. Spine surgery and related research. 2021.02; 5 (6): 381-389. ( PubMed, DOI )

Suzuki Akinobu, Tamai Koji, Takahashi Shinji, Yamada Kentaro, Inui Kentaro, Tada Masahiro, Okano Tadashi, Sugioka Yuko, Koike Tatsuya, Nakamura Hiroaki. Do rheumatoid arthritis patients have low back pain or radiological lumbar lesions more frequently than the healthy population? - Cross-sectional analysis in a cohort study with age and sex-matched healthy volunteers SPINE JOURNAL. 2020.12; 20 (12): 1995-2002. ( PubMed, DOI )

Hasib MM, Yamada K, Hoshino M, Yamada E, Tamai K, Takahashi S, Suzuki A, Toyoda H, Terai H, Nakamura H. Can Conventional Magnetic Resonance Imaging Substitute Three-Dimensional Magnetic Resonance Imaging in the Diagnosis of Lumbar Foraminal Stenosis? Asian spine journal. 2020.10; 15 (4): 472-480. ( PubMed, DOI )

Toyoda Hiromitsu, Hoshino Masatoshi, Ohyama Shoichiro, Terai Hidetomi, Suzuki Akinobu, Yamada Kentaro, Takahashi Shinji, Hayashi Kazunori, Tamai Koji, Hori Yusuke, Nakamura Hiroaki. Impact of Sarcopenia on Clinical Outcomes of Minimally Invasive Lumbar Decompression Surgery SCIENTIFIC REPORTS. 2019.11; 9 (1): 16619. ( PubMed, DOI )

Maruf Mohammad Hasib, Suzuki Akinobu, Hayashi Kazunori, Habibi Hasibullah, Salimi Hamidullah, Terai Hidetomi, Tamai Koji, Hoshino Masatoshi, Toyoda Hiromitsu, Yamada Kentaro, Takahashi Shinji, Ohyama Shoichiro, Hori Yusuke, Nakamura Hiroaki. Increased advanced glycation end products in hypertrophied ligamentum flavum of diabetes mellitus patients SPINE JOURNAL. 2019.10; 19 (10): 1739-1745. ( PubMed, DOI )

Hayashi Kazunori, Suzuki Akinobu, Terai Hidetomi, Ahmadi Sayed Abdullah, Rahmani Mohammad Suhrab, Maruf Mohammad Hasib, Habibi Hasibullah, Hori Yusuke, Yamada Kentaro, Hoshino Masatoshi, Toyoda Hiromitsu, Takahashi Shinji, Tamai Koji, Ohyama Shoichiro, Imai Yuuki, Nakamura Hiroaki. Fibroblast Growth Factor 9 Is Upregulated Upon Intervertebral Mechanical Stress-Induced Ligamentum Flavum Hypertrophy in a Rabbit Model SPINE. 2019.10; 44 (20): E1172-E1180. ( PubMed, DOI )

Hori Yusuke, Hoshino Masatoshi, Inage Kazuhide, Miyagi Masayuki, Takahashi Shinji, Ohyama Shoichiro, Suzuki Akinobu, Tsujio Tadao, Terai Hidetomi, Dohzono Sho, Sasaoka Ryuichi, Toyoda Hiromitsu, Kato Minori, Matsumura Akira, Namikawa Takashi, Seki Masahiko, Yamada Kentaro, Habibi Hasibullah, Salimi Hamidullah, Yamashita Masaomi, Yamauchi Tomonori, Furuya Takeo, Orita Sumihisa, Maki Satoshi, Shiga Yasuhiro, Inoue Masahiro, Inoue Gen, Fujimaki Hisako, Murata Kosuke, Kawakubo Ayumu, Kabata Daijiro, Shintani Ayumi, Ohtori Seiji, Takaso Masashi, Nakamura Hiroaki. ISSLS PRIZE IN CLINICAL SCIENCE 2019: clinical importance of trunk muscle mass for low back pain, spinal balance, and quality of lifea multicenter cross-sectional study EUROPEAN SPINE JOURNAL. 2019.05; 28 (5): 914-921. ( PubMed, DOI )

Toyoda Hiromitsu, Hoshino Masatoshi, Ohyama Shoichiro, Terai Hidetomi, Suzuki Akinobu, Yamada Kentaro, Takahashi Shinji, Hayashi Kazunori, Tamai Koji, Hori Yusuke, Nakamura Hiroaki. Answer to the Letter to the Editor concerning "The association of back muscle strength and sarcopenia-related parameters in the patients with spinal disorders" by Toyoda H, et al. EUROPEAN SPINE JOURNAL. 2019.05; 28 (5): 1252-1253. ( PubMed, DOI )

Toyoda Hiromitsu, Hoshino Masatoshi, Ohyama Shoichiro, Terai Hidetomi, Suzuki Akinobu, Yamada Kentaro, Takahashi Shinji, Hayashi Kazunori, Tamai Koji, Hori Yusuke, Nakamura Hiroaki. The association of back muscle strength and sarcopenia-related parameters in the patients with spinal disorders EUROPEAN SPINE JOURNAL. 2019.02; 28 (2): 241-249. ( PubMed, DOI )

Yamada Kentaro, Satoh Shigenobu, Hashizume Hiroshi, Yoshimura Noriko, Kagotani Ryohei, Ishimoto Yuyu, Abe Yuichiro, Toyoda Hiromitsu, Terai Hidetomi, Masuda Takeshi, Muraki Shigeyuki, Nakamura Hiroaki, Yoshida Munehito. Diffuse idiopathic skeletal hyperostosis is associated with lumbar spinal stenosis requiring surgery JOURNAL OF BONE AND MINERAL METABOLISM. 2019.01; 37 (1): 118-124. ( PubMed, DOI )

Yamada Kentaro, Satoh Shigenobu, Abe Yuichiro, Yanagibashi Yasushi, Hyakumachi Takahiko, Masuda Takeshi. Diffuse Idiopathic Skeletal Hyperostosis Extended to the Lumbar Segment Is a Risk Factor of Reoperation in Patients Treated Surgically for Lumbar Stenosis SPINE. 2018.10; 43 (20): 1446-1453. ( PubMed, DOI )

Yamada Kentaro, Abe Yuichiro, Satoh Shigenobu. Safe insertion of S-2 alar iliac screws: radiological comparison between 2 insertion points using computed tomography and 3D analysis software JOURNAL OF NEUROSURGERY-SPINE. 2018.05; 28 (5): 536-542. ( PubMed, DOI )

Hayashi Kazunori, Suzuki Akinobu, Ahmadi Sayed Abdullah, Terai Hidetomi, Yamada Kentaro, Hoshino Masatoshi, Toyoda Hiromitsu, Takahashi Shinji, Tamai Koji, Ohyama Shoichiro, Javid Akgar, Rahmani Mohammad Suhrab, Hasib Maruf Mohammad, Nakamura Hiroaki. Mechanical stress induces elastic fibre disruption and cartilage matrix increase in ligamentum flavum SCIENTIFIC REPORTS. 2017.10; 7 (1): 13092. ( PubMed, DOI )

Yamada Kentaro, Abe Yuichiro, Satoh Shigenobu, Yanagibashi Yasushi, Hyakumachi Takahiko, Masuda Takeshi. A novel diagnostic parameter, foraminal stenotic ratio using three-dimensional magnetic resonance imaging, as a discriminator for surgery in symptomatic lumbar foraminal stenosis SPINE JOURNAL. 2017.08; 17 (8): 1074-1081. ( PubMed, DOI )

Toyoda H, Terai H, Yamada K, Suzuki A, Dohzono S, Matsumoto T, Nakamura H. Prevalence of Diffuse Idiopathic Skeletal Hyperostosis in Patients with Spinal Disorders. Asian spine journal. 2017.02; 11 (1): 63-70. ( PubMed, DOI )

Yu Matsukura, Toshitaka Yoshii, Hiroyuki Inose, Takashi Hirai, Satoru Egawa, Kentaro Yamada, Jun Hashimoto, Kurando Utagawa, Yuri Tamura, Go Uesugi , Atsushi Okawa. Investigation of risk factors of C5 palsy after anterior cervical spine surgery. 13th Annual Meeting of CSRS-AP 2023.03.11 Yokohama

Kentaro Yamada, Toshitaka Yoshii, Mikayo Toba, Satoru Egawa, Yu Matsukura, Takashi Hirai, Hiroyuki Inose, Kiyohide Fushimi, Atsushi Okawa. Risk factors for postoperative unexpected ambulatory status after spinal surgery for metastatic spinal tumor. 13th Annual Meeting of CSRS-AP 2023.03.11 Yokohama

Yamada Kentaro, Nakamura Hiroaki. び漫性特発性骨増殖症を合併した化膿性脊椎炎患者の予後は不良である(Life expectancy is poor in patients with diffuse idiopathic skeletal hyperostosis-related pyogenic vertebral osteomyelitis). Journal of Spine Research 2022.03.01

Maruf Mohammad Hasib, Yamada Kentaro, Hoshino Masatoshi, Tamai Koji, Takahashi Shinji, Suzaki Akinobu, Toyoda Hiromitsu, Terai Hidetomi, Nakamura Hiroaki. 腰椎椎間孔狭窄症の診断において従来型MRI検査は3D-MRIを代替可能か(Can the conventional MRI substitute for the 3D-MRI to diagnose lumbar foraminal stenosis?). Journal of Spine Research 2019.03.01