The Arthritic Shoulder

The Arthritic Shoulder

Osteoarthritis (OA) of the shoulder is a similar progression as OA in the hip and knee. Joint narrowing occurs, fibrotic changes of the articulating cartilage, subchondral sclerosis, osteophyte formation with eventual loss of articular cartilage and bone loss/damage occurring. Comorbidities such as RA, gout, lupus can contribute to further joint deterioration. Furthermore, anterior instability, rotator cuff pathology may alter joint mechanics that promote joint wear down.


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Surgical consideration:

• Hemiarthroplasy - Replacing ½ the humeral head, rarely performed

• Total Shoulder - Cemented non-constrained design with focus on decreasing pain, increasing normal kinematics. No IR for the first 6 weeks for fear of disrupting subscapularis repair.


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