| Complications of Shoulder Arthroplasty: How To Avoid and How to Treat (P) - Index

VII. Dislocation of Reverse Shoulder Arthroplasty

Gregory P. Nicholson, MD

I. How Common is Dislocation?

II. When does it Occur?

III. Factors Associated with Instability of RTSA

IV. Potential Etiologies

V. Evaluation

VI. How to Treat

VII. What Don’t We Know


1. In-vitro: mechanical data gives some insight, however..... In-vivo: no real clinical data to evaluate effect of intervention

2. Trappey GJ, O’Connor DP, Edwards TB. What are the Instability and Infection Rates After Reverse Shoulder Arthroplasty? Clin Orthop 2011, 469: 2505-2511.

3. Gallo RA, Gamradt SC, et al. Instability After Reverse Total Shoulder Replacement. J Shoulder Elbow Surg (2011) 20: 584-590.

4. Henninger HB, Barg A, et al. Effect of Deltoid Tension and Humeral Version in Reverse Total Shoulder Arthroplasty: a biomechanical study. J Shoulder Elbow Surg (2011)

5. Favre P, Sussmann PS, Gerber C. The Effect of Component Positioning on Intrinsic Stability of the Reverse Shoulder Arthroplasty. J Shoulder Elbow Surg (2010) 19: 550-6

6. Edwards TB, Williams MD, et al. Subscapularis Insufficiency and the Risk of Shoulder Dislocation After Reverse Shoulder Arthroplasty. J Shoulder Elbow Surg (2009) 18: 892-6.

7. Wierks C, Skolasky RL, Ji JH, McFarland EG. Reverse Total Shoulder Replacement: Intraopeative and early Postoperative complications. Clin Orthop (2009); 467: 225-34