Quantitative Assessment of Glenohumeral Translation After Anterior Shoulder Dislocation and Subsequent Arthroscopic Bankart Repair
2006
Background: During the past decade, developments in arthroscopic technology have made arthroscopic repair of labral lesions feasible. However, results with the use of the transglenoid suture technique, or with the use of bioabsorbable tacks, have remained variable in the literature, and the recurrence rates are still inferior to those of open Bankart repair.Hypothesis: Arthroscopic Bankart repair with suture anchors can re-create translational and rotational range of motion of the intact glenohumeral joint, and the number of preoperative dislocations has an influence on the result.Study Design: Controlled laboratory study.Materials: Twelve cadaveric shoulders were tested in a robot-assisted shoulder simulator. Anterior and posterior translation and external rotation were measured for intact, dislocated (shoulders were randomly selected to 1 of 3 groups, which were dislocated 1, 3, or 7 times), and repaired conditions at 0° and 90° of glenohumeral elevation.Results: After shoulder dislocation, a significan...
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