Surface replacement for shoulder arthritis: Surgery with a CAP, a special type of conservative resurfacing joint replacement that resurfaces the ball of the ball and socket joint, can lessen pain and improve function.

Edited By: Frederick A. Matsen III, M.D., Winston J. Warme, MD
Last updated Wednesday, January 09, 2008

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Arthritis of the shoulder is a devastating condition that can seriously compromises the comfort and function of the shoulder. This condition is characterized by the permanent loss of the normal smooth surface of the ball and socket of the shoulder joint. The cartilage that normally provides this smooth surface cannot be restored and resulting loss of comfort and function of the shoulder cannot be totally regained. When the symptoms of shoulder arthritis are severe, shoulder joint replacement arthroplasty becomes a consideration.

After performing a clinical exam, a shoulder surgeon experienced with shoulder arthritis  can suggest what type of joint replacement surgery is most likely to be helpful to the individual with the condition. Individuals are most likely to benefit from this surgery if they are well motivated and in good health.

Joint replacement with a resurfacing CAP prosthesis preserves the maximal amount of bone. This is a highly technical procedure and is best performed by a surgical team who has experience with this surgery. Such a team can maximize the benefit and minimize the risks.

The two-hour procedure is performed under general (or nerve block) anesthesia.

Use of the arm is started immediately after the procedure.  Extensive therapy is not needed.

Surgery for Shoulder Arthritis at the University of Washington

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