Publications by authors named "Toru Funayama"

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Predicting Postoperative Neurological Outcomes in Metastatic Spinal Tumor Surgery Using Machine Learning.
Satoshi Maki, Yuki Shiratani, Sumihisa Orita, Akinobu Suzuki, Koji Tamai, Toru Funayama

Spine (Phila Pa 1976)· January 2026

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Risk factors for Early (Three-Month) Postoperative Mortality in Metastatic Spine Tumor Surgery: A JASA Multicenter Prospective Study.
Takaaki Uto, Satoshi Kato, Noriaki Yokogawa, Takaki Shimizu, Satoru Demura, Toru Funayama

Spine (Phila Pa 1976)· January 2026

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Predictive factors for bladder function recovery following cervical OPLL surgery: a comprehensive analysis.
Yusuke Setojima, Kengo Fujii, Toru Funayama, Toshitaka Yoshii, Satoru Egawa

Spine J· January 2026

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Traumatic nerve root injury due to unilateral facet fracture of the cervical spine caused by a direct external force; a case report.
Hiroshi Takahashi, Yosuke Shibao, Toru Funayama, Hiroshi Noguchi, Kousei Miura

BMC Musculoskelet Disord· December 2025

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Effect of Preoperative Nutritional Status on Postoperative Clinical Outcomes of Patients With Metastatic Spinal Tumors: Japan Association of Spine Surgeons With Ambition Multicenter Study.
Masafumi Kawai, Satoshi Kato, Noriaki Yokogawa, Takaki Shimizu, Satoru Demura, Toru Funayama

Spine (Phila Pa 1976)· November 2025

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Insufficient evaluation of S2 alar iliac screw malposition with the intraoperative inlet view: utility of the obturator inlet and iliac oblique views.
Shun Okuwaki, Toru Funayama, Yohei Yanagisawa, Takahiro Sunami, Takane Nakagawa

Asian Spine J· November 2025

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Challenges and limitations of the existing scoring systems for postoperative outcomes in thoracolumbar pyogenic spondylitis: a multicenter retrospective cohort study.
Hisanori Gamada, Toru Funayama, Yosuke Ogata, Yusuke Setojima, Takane Nakagawa

Eur Spine J· October 2025

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Preoperative pars defect length predicts bone union after direct repair for lumbar spondylolysis using the modified smiley face rod technique: a retrospective cohort study.
Shotaro Teruya, Shun Okuwaki, Hisanori Gamada, Toru Funayama, Masaki Tatsumura

Asian Spine J· October 2025

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Machine Learning-Based Prediction of Quality of Life Improvement After Surgery for Spinal Metastases: A Prospective Multicenter Study.
Kyota Kitagawa, Satoshi Maki, Yuki Shiratani, Akinobu Suzuki, Koji Tamai, Toru Funayama

Spine (Phila Pa 1976)· October 2025

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Changes in performance status and predictive factors for poor improvement following surgery for spinal metastasis: a nationwide multicenter prospective cohort study.
Akinobu Suzuki, Koji Tamai, Shinji Takahashi, Masayoshi Iwamae, Hiroshi Taniwaki, Toru Funayama

Spine J· October 2025

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A deep learning-based prediction model for prognosis of cervical spine injury: a Japanese multicenter survey.
Sadayuki Ito, Hiroaki Nakashima, Naoki Segi, Noriaki Yokogawa, Takeshi Sasagawa, Toru Funayama

Eur Spine J· September 2025

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Characteristics and Clinical Outcomes of Transition from Conservative Therapy to Surgical Intervention in Older Patients with Cervical Spinal Cord Injury without Major Bone Injury: A Nationwide Retrospective Study.
Noriaki Yokogawa, Takeshi Sasagawa, Hiroyuki Hayashi, Satoru Demura, Hiroaki Nakashima, Toru Funayama

Spine Surg Relat Res· September 2025

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Posterior fixation for pyogenic spondylitis following osteoporotic vertebral fracture: A retrospective study of five challenging cases.
Yosuke Ogata, Hisanori Gamada, Toru Funayama, Yusuke Setojima, Takane Nakagawa

J Clin Neurosci· July 2025

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Survival days of patients with metastatic spinal tumors of lung cancer requiring surgery: a prospective multicenter study.
Takuya Takahashi, Takashi Hirai, Yuki Shiratani, Akinobu Suzuki, Kenichiro Kakutani, Toru Funayama

Sci Rep· July 2025

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The significance of adding posterior decompression to spine stabilization in metastatic spinal surgery: a multicenter prospective study.
Hiroyuki Tominaga, Ichiro Kawamura, Hirofumi Shimada, Hiromi Sasaki, Noboru Taniguchi, Toru Funayama

Sci Rep· July 2025

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Abnormal Paravertebral Muscle Activity and Cervical Extensor Muscle Condition Affect Dynamic Spinal Balance during Gait in Dropped Head Syndrome.
Kotaro Sakashita, Kousei Miura, Hideki Kadone, Tomoyuki Asada, Takahiro Sunami, Toru Funayama

Spine Surg Relat Res· July 2025

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Posterior fixation without debridement for pyogenic spondylodiscitis can promote infection control: initial evaluation of a pyogenic spondylodiscitis posterior fixation rat model.
Hisanori Gamada, Toru Funayama, Yusuke Setojima, Yosuke Ogata, Takahiro Sunami

Eur Spine J· June 2025

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Incidence and risk factors of dysphagia after cervical laminoplasty.
Tomoaki Shimizu, Kento Inomata, Masaki Tatsumura, Takane Nakagawa, Yosuke Ogata, Toru Funayama

Sci Rep· June 2025

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Three-dimensional gait analysis reveals differences in spinal balance and muscle activity during prolonged walking in patients with dropped head syndrome based on global spinal alignment.
Kotaro Sakashita, Kousei Miura, Hideki Kadone, Tomoyuki Asada, Takahiro Sunami, Toru Funayama

Eur Spine J· June 2025

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Impact of hypertension in diabetes on surgical outcomes after cervical laminoplasty - a retrospective, multi-institutional study of 1002 patients.
Yusuke Tomomatsu, Eiji Takasawa, Yoichi Iizuka, Tokue Mieda, Hirokazu Inoue, Toru Funayama

Eur Spine J· April 2025

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Preventing neurological deterioration after ambulation in posterior decompression and fusion for thoracic ossification of the posterior longitudinal ligament.
Toru Funayama, Masao Koda, Hiroshi Takahashi, Hiroshi Noguchi, Kousei Miura

J Orthop Surg (Hong Kong)· April 2025

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Gram-negative rods are associated with prolonged treatment in patients with thoracolumbar pyogenic spondylitis after minimally invasive posterior fixation compared with gram-positive cocci: a multicenter retrospective cohort study.
Hisanori Gamada, Toru Funayama, Kengo Fujii, Yosuke Ogata, Yusuke Setojima

BMC Musculoskelet Disord· March 2025

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Efficacy and Limitations of Continuous Local Antibiotic Perfusion in Treating Surgical Site Infections Following Instrumented Spinal Surgery: A Retrospective Multicenter Study.
Hiroshi Takahashi, Kohei Okuyama, Yasunori Toki, Toru Funayama, Hiroshi Noguchi

Infect Dis Ther· February 2025

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Utilization of SURGIFLO® Hemostatic Matrix Reduces Intraoperative Blood Loss During Posterior Instrumented Thoracolumbar Spinal Surgery for Patients With Adult Spinal Deformity.
Hiroshi Takahashi, Toru Funayama, Hiroshi Noguchi, Kousei Miura, Kentaro Mataki

Cureus· January 2025

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Unexpected Neurological Deterioration Following Occipitocervical Fusion Surgery: A Case Report.
Takane Nakagawa, Hiroshi Takahashi, Kousei Miura, Toru Funayama, Masao Koda

Cureus· January 2025

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