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Dive into the research topics where Hiroki Yoshimatsu is active.

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Featured researches published by Hiroki Yoshimatsu.


The Spine Journal | 2001

Conservative treatment for cervical spondylotic myelopathy. prediction of treatment effects by multivariate analysis.

Hiroki Yoshimatsu; Kensei Nagata; Hiroshi Goto; Kyosuke Sonoda; Noriyuki Ando; Hiroki Imoto; Takeru Mashima; Yoshiaki Takamiya

BACKGROUND CONTEXT Many studies have suggested only slight effects of conservative treatment on cervical spondylotic myelopathy (CSM), whereas a few reports describe conservative treatment as being effective. This suggested the influence of various factors on treatment outcomes. PURPOSE We investigated symptomatic changes after conservative treatment in patients based on a clear understanding of the effects and limitations of conservative treatment. STUDY DESIGN We have encountered cases that showed symptomatic improvement with conservative treatment and became interested in the effectiveness of conservative treatment for CSM and whether other factors affect the results of conservative treatment. PATIENT SAMPLE We have analyzed the results of conservative treatment for CSM in 69 cases, derived from a population of 101 CSM cases. OUTCOME MEASURES Symptoms at the time of the first examination were compared with those at the final examination, and the patients were classified into three groups showing improvement, no change or exacerbation. METHODS Improvement or exacerbation of the symptoms was used as dependent variables and the collected factors as independent variables, and logistic regression was performed on these variables. RESULTS Multivariate analysis showed significant correlation between clinical outcome and the disease duration and the presence of rigorous conservative treatment. CONCLUSIONS Conservative treatment for CSM is considered to be effective if it is performed intensively in selected patients. In treating CSM, the therapeutic approach must be selected first in consideration of the patients disease duration. Conservative treatment must be carried out intensively after sufficient explanation to the patients. Timely surgical intervention is considered to be important if the symptoms show no change or exacerbation with conservative treatment.


The Spine Journal | 2001

Original submissionConservative treatment for cervical spondylotic myelopathy: prediction of treatment effects by multivariate analysis☆☆☆

Hiroki Yoshimatsu; Kensei Nagata; Hiroshi Goto; Kyosuke Sonoda; Noriyuki Ando; Hiroki Imoto; Takeru Mashima; Yoshiaki Takamiya

BACKGROUND CONTEXT Many studies have suggested only slight effects of conservative treatment on cervical spondylotic myelopathy (CSM), whereas a few reports describe conservative treatment as being effective. This suggested the influence of various factors on treatment outcomes. PURPOSE We investigated symptomatic changes after conservative treatment in patients based on a clear understanding of the effects and limitations of conservative treatment. STUDY DESIGN We have encountered cases that showed symptomatic improvement with conservative treatment and became interested in the effectiveness of conservative treatment for CSM and whether other factors affect the results of conservative treatment. PATIENT SAMPLE We have analyzed the results of conservative treatment for CSM in 69 cases, derived from a population of 101 CSM cases. OUTCOME MEASURES Symptoms at the time of the first examination were compared with those at the final examination, and the patients were classified into three groups showing improvement, no change or exacerbation. METHODS Improvement or exacerbation of the symptoms was used as dependent variables and the collected factors as independent variables, and logistic regression was performed on these variables. RESULTS Multivariate analysis showed significant correlation between clinical outcome and the disease duration and the presence of rigorous conservative treatment. CONCLUSIONS Conservative treatment for CSM is considered to be effective if it is performed intensively in selected patients. In treating CSM, the therapeutic approach must be selected first in consideration of the patients disease duration. Conservative treatment must be carried out intensively after sufficient explanation to the patients. Timely surgical intervention is considered to be important if the symptoms show no change or exacerbation with conservative treatment.


The Kurume Medical Journal | 1999

Efficacy of aquatic exercises for patients with low-back pain.

Mamoru Ariyoshi; Kyosuke Sonoda; Kensei Nagata; Takeru Mashima; Michihisa Zenmyo; Chinsu Paku; Yoshiaki Takamiya; Hiroki Yoshimatsu; Yoshimasa Hirai; Hideki Yasunaga; Hidetoshi Akashi; Hiroyasu Imayama; Tomohisa Shimokobe; Akio Inoue; Yoshiteru Mutoh


Orthopaedics and Traumatology | 2009

Clinical Results of Spontaneous Spinal Epidural Hematoma in the Cervical Area

Hiroki Yoshimatsu; Toru Wakioka; Kenji Yoshida; Hisashi Yamashita; Kenji Tanaka; Kensuke Sakai; Junko Tanaka; Hidehiro Nakamura; Takuya Uryu; Yuji Kawasaki; Yohei Ide; Takuya Goto; Toshiharu Nishida; Kensei Nagata


Journal of spine research : official journal of the Japanese Society for Spine Surgery and Related Research | 2015

Epidemiology and Conservative Treatment for Pediatric Atlantoaxial Rotatory Fixation : Retrospective Study in 143 Pediatric Patients (日本脊椎脊髄病学会 特集号) -- (第43回日本脊椎脊髄病学会優秀論文)

Kei Yamada; Kimiaki Sato; Hiroki Yoshimatsu


Orthopaedics and Traumatology | 2012

A Clinical Study of Surgical Treatment for Idiopathic Scoliosis

Mamoru Mitsukawa; Kimiaki Sato; Kei Yamada; Hiroki Yoshimatsu; Kohtaro Matsuda; Midori Nakamura; Kensei Nagata


Orthopaedics and Traumatology | 2011

16 Cases of Pyogenic Spondylitis Caused by Methicillin-resistant Staphylococcus Aureus

Hiroki Yoshimatsu; Yasumitsu Kaieda; Kenji Yoshida; Kotaro Jimbo; Kenji Tanaka; Kensuke Sakai; Takuya Goto; Kenji Taki; Hisashi Yamashita; Kimiaki Sato; Kensei Nagata


Orthopaedics and Traumatology | 2011

Study on Cervical Spine Trauma in Elderly Patients in the Emergency Outpatient Department

Hiroki Yoshimatsu; Kenji Yoshida; Kotaro Jimbo; Kenji Tanaka; Kensuke Sakai; Junko Tanaka; Hidehiro Nakamura; Takuya Uryu; Kouichi Honda; Takuya Goto; Hisashi Yamashita; Yoshiaki Takamiya; Kimiaki Sato; Kensei Nagata


Orthopaedics and Traumatology | 2010

Treatment of Congenital Dislocation of the Knee

Azusa Hojyo; Hidetomo Nakamura; Kenji Yosida; Kenji Tanaka; Toshiharu Nisida; Hiroki Yoshimatsu; Jyunko Tanaka; Hidehiro Nakamura; Takuya Gotoh; Hisashi Yamashita; Akio Inoue; Atsushi Abe; Kensei Nagata


Orthopaedics and Traumatology | 2010

Clinical Results of Femoral Trochanteric Fractures Including Basicervical Fracture

Takuya Uryu; Kenji Yoshida; Hisashi Yamashita; Kenji Tanaka; Kensuke Sakai; Hiroki Yoshimatsu; Kotaro Jimbo; Junko Tanaka; Hidehiro Nakamura; Hirokazu Honda; Yohei Ide; Takuya Goto; Kensei Nagata

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Kenji Yoshida

Iwate Medical University

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