Preoperative Factors Influencing JOA Scores after Opening Wedge High Tibial Osteotomy

TAKEUCHI Yoshiki, TOYOTA Tsuyoshi, MATSUNAGA Daigo, IGAWA Tatsuya, ISHIZAKA Masahiro, TAKIZAWA Tsutomu

doi:10.1589/rika.37.323

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内側楔状開大型高位脛骨骨切り術患者の術後JOA scoreに影響する術前因子
ウチガワケツジョウカイオオガタコウイケイコツコツキリジュツカンジャノジュツゴ JOA score ニエイキョウスルジュツゼンインシ

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Abstract

<p>[Purpose] To identify preoperative factors influencing Japan Orthopaedic Association (JOA) scores after opening wedge high tibial osteotomy (OWHTO). [Participants and Methods] Seventy-seven knees of 68 patients, who had undergone OWHTO at Nagano Matsushiro General Hospital, were included to examine the following items: diagnosis, sex, age, Body Mass Index, femorotibial angle (FTA), range of motion (ROM), and knee isokinetic strength before surgery, and JOA scores before and 1 year after it. The knees were divided into full- and non-full-JOA-score groups to compare the preoperative factors between them. [Results] The full-JOA-score group’s rate of knee osteonecrosis (ON) as a diagnosis was significantly higher, preoperative FTA was significantly smaller, and preoperative knee flexion ROM was significantly greater. [Conclusion] The postoperative JOA scores of patients, in whom a diagnosis of knee ON led to surgery, and the degrees of varus deformity and loss of flexion were mild before it, were favorable.</p>

Journal

Rigakuryoho Kagaku

Rigakuryoho Kagaku 37 (3), 323-327, 2022

The Society of Physical Therapy Science

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