Revision surgery for failed shoulder replacement arthroplasty due to superior instability, Part 12

Loss of the integrity of the coracoacromial arch can be a major problem following shoulder arthroplasty allowing anterosuperior escape of the proximal humerus from the glenoid.  This problem is often caused by prior surgery attempting to repair a large rotator cuff tear. It most commonly seen when an acromioplasty has been performed, compromising the stabilizing effect of the coracoacromial arch.

In this situation a reverse total shoulder arthroplasty may be considered.

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