Augments and allografts in revision total knee arthroplasty: usage and outcome using one modular revision prosthesis.

Sixty-five consecutive Coordinate (DePuy, Warsaw, Ind) revision total knee arthroplasties were eligible for minimum 5-year follow-up. Nine patients died and 2 patients were lost. Therefore, 54 knees (51 patients) had a known outcome.

Role of the coracoacromial ligament as restraint after shoulder hemiarthroplasty.

Patients with an irreparable rotator cuff tear and glenohumeral degeneration often are treated with hemiarthroplasty. This procedure has proven effective as long as the coracoacromial ligament remained intact. The ligament reportedly acts as a restraint against anterosuperior dislocation.