The Journal of Bone and Joint Surgery 78:376-82 (1996)
© 1996 The Journal of Bone and Joint Surgery, Inc.
Allograft Reconstruction of Segmental Defects of the Humeral Head for the Treatment of Chronic Locked Posterior Dislocation of the Shoulder*
CHRISTIAN GERBER, M.D. and
SIMON M. LAMBERT, B.SC., F.R.C.S.ED.(ORTH), F.R.C.S. , FRIBOURG, SWITZERLAND
Investigation performed at the Hôpital Cantonal, Fribourg
The recognized options for the treatment of chronic locked posterior dislocation of the shoulder are dependent on the size of the anteromedial defect of the humeral head. Transfer of the lesser tuberosity with its attached subscapularis tendon into the defect is recommended for defects that are smaller than approximately 40 per cent of the joint surface. Prosthetic replacement is preferred for larger defects.
Four consecutive patients who had a chronic locked posterior dislocation of the glenohumeral joint associated with a defect of the humeral head that was at least 40 per cent of the articular surface were managed with reconstruction of the shape of the humeral head with use of an allogeneic segment of the femoral head. Stability was restored and maintained in each patient at an average of sixty-eight months (range, sixty to seventy-six months) after the procedure. Three patients reported little or no pain and no or slight functional restrictions in the activities of daily living, and they considered the result to be satisfactory. The fourth patient had mild pain and moderate-to-severe dysfunction secondary to avascular necrosis of the remaining portion of the humeral head after a symptom-free period of six years.

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