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Featured researches published by Tsutomu Motooka.


Orthopedic Reviews | 2010

Subcutaneous Achilles tendon rupture in an eighty-year-old female with an absence of risk factors

Motoki Sonohata; Tsutomu Okamoto; Kazuyoshi Uchihashi; Tsutomu Motooka; Hirofumi Tanaka; Masaru Kitajima; Masaaki Mawatari; Takao Hotokebuchi

Achilles tendon ruptures rarely occur in patients over 80 years of age. However, it is unclear what treatment, surgical or conservative, is suitable for such an Achilles tendon rupture in the elderly. In addition, the clinical results of an Achilles tendon rupture in the elderly are disappointing. We report here the case of a subcutaneous Achilles tendon rupture in an eighty-year-old, healthy female, who returned to her previous level of activity following surgical treatment. Additional case reports of other instances of successful treatment are needed to help establish the optimal treatment protocol for an Achilles tendon rupture in the elderly.


Foot & Ankle Orthopaedics | 2016

The Subtalar Arthroscopic Findings After Osteosynthesis for Calcaneal Fractures

Hirofumi Tanaka; Kyota Nishifuru; Tatsuya Sakai; Tsutomu Motooka

Category: Arthroscopy Introduction/Purpose: A Sanders type II-IV calcaneal fracture is an intrarticular fracture of the subtalar joint, which may shift to traumatic osteoarthritis. We therefore perform open reduction and plate fixation in order to obtain a good reduction in such fractures. The purpose of this study was to evaluate the effectiveness of the subtalar arthroscopy after osteosynthesis for calcaneal fractures. Methods: We performed subtalar arthroscopy in fifteen patients (male, n=12; female, n=3; mean age, 54.9) between September 2010 and April 2014 who had some complaints at the time of plate removal after the treatment of calcaneal fractures. The mean follow-up period was 9.1 months. The Sanders classifications were as follows: Type I (n=1), Type II (n=5), Type III (n=7) and Type IV (n=1). All of the cases had bone union. There was no cases of reduction failure. Observation and joint synovectomy was performed during subtalar arthroscopy, which was performed under lumbar anesthesia. Plate removal was performed after the completion of subtalar arthroscopy. Results: The average AOFAS score improved from 82 points preoperatively to 94 points postoperatively. There were no complications. The formation of intra-articular fibrous tissues and adhesion of the subtalar joint were observed during arthroscopy in all cases; traumatic articular cartilage injuries were found in 10 cases (67%); and synovitis around peroneal tendon was found in 13 cases (87%). Pain and displeasure improved after the resection of fibrous tissues and synovectomy. Conclusion: A patient who had an articular cartilage injury complained of low-level pain. Subtalar arthroscopy is a valuable tool after calcaneal fractures.


Orthopaedic Proceedings | 2012

Calculation of the Forces Acting on the Knee Joint During Ascent From Kneeling

Shunji Hirokawa; Tsutomu Motooka; Takayuki Akiyama; Ryo Morizono; Riki Tanaka; Masaaki Mawatari; Etsuo Horikawa; Takao Hotokebuchi


Orthopaedics and Traumatology | 2010

Ankle Arthritis of Cases with Leg Length Discrepancy

Tsutomu Motooka; Hirofumi Tanaka; Takao Hotokebuchi


Orthopaedics and Traumatology | 2007

Foot Progression Angle before and after Total Hip Arthroplasty

Riki Ueki; Masamori Shigematsu; Tsutomu Motooka; Shuya Ide; Masaaki Mawatari; Takao Hotokebuchi


Orthopaedics and Traumatology | 2006

Gait Analysis before and after Total Hip Arthroplasty

Riki Ueki; Masamori Shigematsu; Takao Hotokebuchi; Tsutomu Motooka


Orthopaedics and Traumatology | 2005

Gait Analysis of Patients with Coxarthrosis: Features of Cane-assisted Gait

Tsutomu Motooka; Masamori Shigematsu; Riki Ueki; Takao Hotokebuchi


Orthopaedics and Traumatology | 2005

Gait Analysis of Patients with Hip Ankylosis: Post Operative Change

Tsutomu Motooka; Masamori Shigematsu; Riki Ueki; Takao Hotokebuchi


Orthopaedics and Traumatology | 2005

Quantitative Gait Evaluation of Coxarthrosis Using Gait Analysis

Riki Ueki; Masamori Shigematsu; Takami Higo; Tsutomu Motooka; Takao Hotokebuchi


Orthopaedics and Traumatology | 2005

Gait Analysis in Coxarthrosis

Riki Ueki; Masamori Shigematsu; Tsutomu Motooka; Takao Hotokebuchi

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