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Affiliation |
Graduate School of Medicine Doctorial Course in Medicine Organ Function-Oriented Medicine Department of Orthopedic Surgery |
KIMURA Ryota
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Research Interests 【 display / non-display 】
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rehabilitation robot
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exercise
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rehabilitation
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spinal cord injury
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spine
Graduating School 【 display / non-display 】
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-2011.03
Akita University Faculty of Medicine Graduated
Graduate School 【 display / non-display 】
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-2019.03
Akita University Graduate School, Division of Medicine Doctor's Course Completed
Campus Career 【 display / non-display 】
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2022.12-Now
Akita University Graduate School of Medicine Doctorial Course in Medicine Organ Function-Oriented Medicine Department of Orthopedic Surgery Assistant Professor
Research Achievements 【 display / non-display 】
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Effectiveness of a Specialized Outpatient Clinic on Bone Metastasis for Spine Surgeons Based on a Long-Term Follow-Up Evaluation
Tsuchie Hiroyuki, Ono Yuichi, Murata Shohei, Hongo Michio, Kasukawa Yuji, Kudo Daisuke, Kimura Ryota, Miyakoshi Naohisa
Spine Surgery and Related Research ( 一般社団法人 日本脊椎脊髄病学会 ) advpub ( 0 ) 2026
<p><b>Introduction: </b>Advances in cancer treatment have improved the prognosis of patients with advanced cancer, and the number of patients with bone metastases is increasing. Early interventions, such as a multidisciplinary approach and a specialized outpatient clinic for bone metastasis (SOCBM), are important to prevent fractures and nerve disorders. However, few studies have directly compared the effectiveness of these measures before and after their initiation. We aimed to analyze the usefulness of SOCBM and its impact on spine surgeons in a larger number of cases.</p><p><b>Methods: </b>We included 70 patients with vertebral metastases of carcinoma who underwent surgical treatment performed by spine surgeons. We divided the patients into two groups: before and after the SOCBM was initiated (pre and post groups), and compared their clinical characteristics and surgical information.</p><p><b>Results: </b>In all patients and in those treated for primary tumors at our hospital, the post group demonstrated a longer period from spine surgeon consultation to surgery than the pre group (p = 0.0369 and p = 0.0111, respectively). Additionally, the proportion of patients leaving the operating room after 8 pm was significantly lower in the post group (p = 0.0471). Multivariate logistic regression analysis revealed that the period from spine surgeon consultation to surgery and leaving the operating room after 8 pm were significantly associated with SOCBM visits (p = 0.0118 and p<i></i>= 0.0270, respectively).</p><p><b>Conclusions: </b>SOCBM reduces the burden on spine surgeons by providing a margin before surgery for patients with spinal metastasis and by reducing delays for surgical management.</p>
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"Koshimagari Exercise" for Adult Spinal Deformity in Older Adults: Assessment of Home-Based Exercise Outcomes in a Prospective Multicenter Study
Terai Hidetomi, Takahashi Shinji, Hoshino Masatoshi, Taniwaki Hiroshi, Tamai Koji, Ohmine Toshimitsu, Nakatuchi Tamotsu, Shinbashi Goya, Teraguchi Masatoshi, Minetama Masakazu, Watanabe Kei, Sato Naritoshi, Kitamura Takuya, Kanda Masaru, Tsujio Tadao, Takeuchi Yuichi, Mizouchi Tatsuki, Ishizu Katsuhito, Ebina Toshihito, Muraoka Yasunari, Sodeyama Tomonori, Mikami Hiroshi, Kasukawa Yuji, Hyakumachi Takahiko, Ishida Kazuhiro, Miyagishima Kazufumi, Oishi Yosuke, Yo Kiyonori, Kimura Ryota, Sato Hiromichi, Nagata Keiji, Yamato Yu, Matsudaira Ko, Miyakoshi Naohisa, Matsuyama Yukihiro, Haro Hirotaka, Hashizume Hiroshi, Yamada Hiroshi, Kaito Takashi, Project Committee of the Japanese Society for Spine Surgery and Related Research (JSSR)
Spine Surgery and Related Research ( 一般社団法人 日本脊椎脊髄病学会 ) advpub ( 0 ) 2024
<p><b>Introduction: </b>Adult spinal deformity (ASD) is prevalent among older adults, considerably affecting their quality of life. Although surgical interventions are effective, they have high complication rates and medical costs. Furthermore, there is a lack of evidence supporting the effectiveness of nonsurgical treatments (e.g., physical therapy) in patients with ASD. This study aimed to investigate the impact of "Koshimagari exercise," a specific home-based exercise regimen designed for patients with ASD, and to evaluate its effects on clinical outcomes in older adults.</p><p><b>Methods: </b>A total of 144 participants aged 50–80 years with chronic low back pain (LBP) due to spinal deformities were included in this multicenter prospective study. Qualified physiotherapists conducted intervention sessions at the hospital once a week, and self-exercise was performed at home three times a week. After 3 months, the frequency of self-exercise at home increased to four times a week. Clinical evaluations were conducted using the Oswestry Disability Index (ODI), five-level classification system of EuroQol-5 Dimensions (EQ-5D), Japanese edition of Scoliosis Research Society-22r (SRS-22r), and visual analog scale (VAS) for LBP at baseline and 3, 6, and 12 months. Radiographic evaluations were performed in standing and supine positions.</p><p><b>Results: </b>Of 130 participants who provided written informed consent, 98 completed the 6-month follow-up and were included in the analysis. Significant improvements observed in ODI, EQ-5D, and VAS scores were observed at 3 months, with SRS-22r scores improving throughout the study period. Radiographically, there were significant differences in the sagittal vertical axis and pelvic tilt at 12 months. Sufficient compliance with the self-exercise program was reported by 96%, 86%, and 73% of participants at 3, 6, and 12 months, respectively.</p><p><b>Conclusions: </b>The "Koshimagari Exercise" program led to significant short-term improvements in health-related quality of life and pain among elderly patients with ASD. This home-based self-exercise program is an excellent nonsurgical treatment option for patients with ASD.</p>
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Curve progression and risk factors in patients of adolescent idiopathic scoliosis with Risser sign grade 4
Wakabayashi Rena, Hongo Michio, Misawa Akiko, Kimura Ryota, Kudo Daisuke, Shimada Yoichi, Miyakoshi Naohisa
Journal of Spine Research ( The Japanese Society for Spine Surgery and Related Research ) 14 ( 11 ) 1377 - 1382 2023.11
<p><b>Introduction: </b>Brace treatment for adolescent idiopathic scoliosis (AIS) is usually indicated for patients with Risser sign grade 0-3, but not for above grade 4. However, we occasionally see patients whose curves progress even in patients with Risser sign grade 4. We examine Cobb angle progression and risk factors in Risser sign grade 4 cases of AIS.</p><p><b>Methods: </b>From January 2016 to December 2020, 42 AIS patients with Risser sign grade 4 at the first visit to our clinic and were followed up for at least 1 year were included. Patient background, physical findings, and radiological measurements including the Cobb angles were evaluated. Patients were divided into progressive and non-progressive groups to compare their risk factors of scoliosis.</p><p><b>Results: </b>Eight patients were in the progressive group and 34 were in the non-progressive group. In the progressive group, the Cobb angle increased by 7.1 degrees, from 28.7 to 35.8 degrees. The time since menarche was significantly shorter in the progressive group (9.7 months) than in the non-progressive group (24.2 months) (P=0.003). Growth in height was significantly greater in the progressive group (+2.9 cm) than in the non-progressive group (+1.8 cm) (P = 0.02). There were no differences in the other factors.</p><p><b>Conclusions: </b>In this study, curves progressed in approximately 20% of patients with Risser sign grade 4. In cases with short time since menarche or potential for height growth, AIS patients with Risser sign grade 4 may need to take brace therapy.</p>
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Status and issue of scoliosis screening in Akita
Misawa Akiko, Hongo Michio, Kudo Daisuke, Wakabayashi Rena, Kimura Ryota, Shimada Yoichi, Miyakoshi Naohisa
Journal of Spine Research ( The Japanese Society for Spine Surgery and Related Research ) 14 ( 11 ) 1366 - 1371 2023.11
<p><b>Introduction: </b>In Akita Prefecture, school screening using the Moiré topography have been conducted since 1984, and have been continued after the start of musculoskeletal screening. In this study, we compared the results of the scoliosis examination using the Moiré screening with those of the musculoskeletal screening using data provided by the Akita City Board of Education.</p><p><b>Methods: </b>From 2017 to 2020, 1,442 patients with spinal column findings in musculoskeletal screening and 474 patients with Moiré screening findings underwent secondary examination.</p><p><b>Results: </b>The positive predictive value for the Cobb angle of 10 degrees or more was 39% in the musculoskeletal screening, and 60% in the Moiré screening. The positive predictive value of scoliosis in junior high school students was 57% for the musculoskeletal screening, which was similar to that for the Moiré screening. 13% of the diagnosed cases were newly positive for the musculoskeletal screening and 87% were continuously positive, and most of the cases were diagnosed with scoliosis by the Moiré screening.</p><p><b>Conclusions: </b>The results of this study have once again demonstrated the usefulness of Moiré screening in comparison with musculoskeletal screening. In order to promote the use of Moiré screening, it is necessary to improve the follow-up system after the screening. In addition, it is necessary to approach and cooperate with boards of education and medical associations for the development of medical checkups to resolve issues such as the protection of personal information in order to provide feedback on the results of medical checkups.</p>
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Study of surgical intervention for quadriceps tendon rupture
ASAKA Yasuhito, KIMURA Ryota, KOBAYASHI Takashi, SAITO Hidetomo, MIYAKOSHI Naohisa
Journal of the Eastern Japan Association of Orthopaedics and Traumatology ( The Eastern Japan Association of Orthopaedics and Traumatology ) 34 ( 2 ) 116 - 118 2022
◆Other【 display / non-display 】
Grant-in-Aid for Scientific Research 【 display / non-display 】
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Grant-in-Aid for Early-Career Scientists
Project Year： 2023.04 - 2026.03