関節包縫縮術を併用した Bristow 変法術後の再鏡視所見 ―関節上腕靭帯様組織の変化に関して―

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Anterior inferior glenohumeral ligament (AIGHL) is important for the anterior stability of the shoulder. As to the operation for anterior instability of there shoulder without sufficient AIGHL, we have performed the Bristow procedure with the capsulolabral reconstruction of anterior capsule (modified Bristow procedure). Several reports have described that the clinical results after a modified Bristow procedure were better than those after a Bristow procedure. To clarify the reasons, we investigated the arthroscopic findings 1 year after our modified Bristow procedure. We examined 13 patients (13 shoulders, 10 males and 3 females) who underwent modified Bristow procedures. Their mean age was 28 years old (range, 17-47 years old). In their 1st-time arthroscopy, AIGHL was considered insufficient in all cases, and they all underwent modified Bristow procedures. 1 year after the operation, an arthroscopy was performed in the lateral-position under a general anesthesia. The relationship between their intraarticular findings and clinical results were evaluated. In 12 cases (92%), a tissue like glenohumeral ligament was detected in arthroscopy. In this study, we clarified that the tissue like glenohumeral ligament regenerated after a modified Bristow procedure in almost all cases, in which AIGHLs were insufficient at the 1st time arthroscopy. Even if AIGHL was insufficient, the capsulolabral reconstruction of the anterior capsule may result in the regeneration of AIGHL.
日本肩関節学会の論文

関節包縫縮術を併用した Bristow 変法術後の再鏡視所見 ―関節上腕靭帯様組織の変化に関して―

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