Long-Term Results of the Latarjet Procedure for the Treatment of Anterior Instability of the Shoulder*

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We performed ninety-five consecutive Latarjet procedures for the treatment of recurrent anterior instability of the shoulder between 1969 and 1983. In 1993, we retrospectively reviewed the clinical and radiographic results that were available for fifty-six patients (fifty-eight shoulders) who had been followed for an average of 14.3 years (range, ten to twenty-three years). The purpose of the study was to determine the prevalence of glenohumeral osteoarthrosis and the factors related to its development after the Latarjet procedure.The procedure was performed for the treatment of recurrent anterior dislocation in fifty shoulders and painful recurrent anterior subluxation in eight. All patients had a radiographic evaluation (three anteroposterior radiographs, with the humerus in external, neutral, and internal rotation, and one lateral radiograph) before the operation and at the latest follow-up examination.At the time of the latest follow-up, none of the patients had recurrent dislocation, six patients had apprehension with regard to possible dislocation, and one had occasional subluxation. According to the system of Rowe et al., fifty-one (88 per cent) of the fifty-eight shoulders had an excellent or good result; five (9 per cent), a fair result; and two (3 per cent), a poor result. Twenty-two shoulders had no glenohumeral osteoarthrosis. Thirty-four shoulders had centered glenohumeral osteoarthrosis (the humeral head remained in front of the center of the glenoid cavity), which was grade 1 in twenty-five shoulders, grade 2 in four, grade 3 in three, and grade 4 in two, and two shoulders had grade-4 eccentric glenohumeral osteoarthrosis (the humeral head was more proximal than normal in relation to the center of the glenoid cavity). Postoperative grade-1 glenohumeral osteoarthrosis, unlike the higher grades, had no effect on the function of the shoulder.

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