Shoulder Resurfacing Arthroplasty: Current Concepts

Abstract

Humeral head resurfacing arthroplasty has been shown to be an effective, bone-preserving alternative to traditional shoulder replacement in the treatment of a variety of arthritic conditions of the shoulder. Advantages of humeral resurfacing arthroplasty over standard shoulder replacement using stemmed implants are numerous. In addition to preserving bone stock and cartilage, resurfacing arthroplasty can be done quicker, with less blood loss, and with fewer postoperative complications. Normal anatomy is maintained and no changes in inclination, version, or offset are required. Resurfacing arthroplasty also allows for a straightforward revision to a conventional total shoulder replacement if necessary. The ideal patient is young, with isolated humeral head chondrosis and an intact glenoid. Contraindications include inadequate bone stock and infection, and the joint as a whole must be relatively free of arthritis.

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