期刊
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY
卷 29, 期 2, 页码 241-245出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.rct.0000153779.86663.92
关键词
computed tomography; anterior cruciate ligament; semitendinosus tendon; muscle strength; knee
Objective: The purpose of this study was to evaluate the regeneration of semitendinosus tendons harvested for anterior cruciate ligament (ACL) reconstruction using 3-dimensional (3D) computed tomography (CT) imaging and to compare the degree of regeneration with hamstring strength. Methods: Twenty-nine patients who underwent ACL reconstruction using ipsilateral autogenous semitendinosus tendons were examined before surgery and 6 and 12 months after surgery by 3D CT imaging. The types of regenerated tendons and the proximal shift of the muscle-tendon junction were evaluated. Results: The types of regenerated semitendinosus tendons varied from case to case. There was a positive correlation between the peak torque ratio of the hamstring muscle strength and the proximal shift of the muscle-tendon junction 6 months after surgery. The proximal shift did not affect the peak torque ratio 12 months after surgery, however. Conclusions: A proximal shift of the muscle-tendon junction may help to explain the individual differences in early postoperative hamstring muscle strength recovery.
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