The remaining procedures include nonprosthetic arthroplasty, humeral hemiarthroplasty, and glenohumeral arthroplasty. Nonprosthetic arthroplasty is considered for the uncommon young shoulder demonstrating early glenohumeral joint surface roughness. Even though such a shoulder may have a tight anterior capsule and glenohumeral osteophytes it may also have substantial remaining articular cartilage and no posterior subluxation of the head on the glenoid. In this circumstance, a capsular release and thorough osteophyte resection anteriorly, inferiorly, and posteriorly may help restore smoothness and motion. The technique of soft tissue release is essentially the same as that described in the section on frozen shoulder .
Postoperative management is the same as for prosthetic arthroplasty.
Glenohumeral prosthetic arthroplasty is considered in patients who understand the risks and limitations of this procedure and who have sufficient bone stock, stability, and muscle control. Capsular release, subscapularis lengthening, and freeing of the nonarticular humeroscapular motion interface are usually incorporated in each of these three types of arthroplasty. The technical demands of these procedures are high because of the critical interplay between the pathoanatomy, the amount of bone resected, the soft tissue balancing, the size and positioning of the components, and the quality of the bone and soft tissues. Contraindications to arthroplasty include an active or recent shoulder infection and major loss of deltoid function. Patients who are well-informed and motivated prior to shoulder reconstruction are more likely to obtain an optimal result.