全身関節弛緩性を伴った外傷性肩関節前方不安定症に対する鏡視下手術

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The purpose was to investigate clinical features and results of arthroscopic surgery in patients who have traumatic anterior instability of the shoulder with general joint laxity. There were 12 patients (male: 2, female: 10), who had an arthroscopic surgery and were followed for more than one year. The average age at operation was 33 years old. The surgery consisted of shifting the labrum-ligament complex and suturing it to the glenoid rim. Closure of the rotator interval was performed in 7 patients. Age at the first onset, severity of injury, arthroscopic findings, pre- and post-operative JSS-SIS, and ROM after surgery were evaluated. Eight patients had an initial dislocation caused by minor trauma. In all patients the dislocation occurred 3 times or less, though in 8 patients a so-called subluxation occurred more than 10 times. Arthroscopic findings showed poorly developmental AIGHL in all cases, thin or defected MGHL in 10 cases, and Bankart lesion with minimal detachment in 9 cases. All patients had a shallow Hill-Sachs lesion. JSS-SIS averaged 55 points pre-operatively, and 84 points post-operatively. There was one patient in whom recurrence was observed postoperatively. The range of motion after surgery was satisfactory in most cases, in which an early recovery was obtained, though the apprehension sign remained positive at even one year after surgery, especially in athletes. Arthroscopic surgery for this disease produced an early recovery of ROM and reduced the recurrence of dislocations, but the apprehension symptom remained in the majority of operated patients.

全身関節弛緩性を伴った外傷性肩関節前方不安定症に対する鏡視下手術

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