Reverse Total Shoulder Arthroplasty: Biomechanics and Indications.

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Abstract

Conflict of interest statement: Caitlin M. Rugg, Monica J. Coughlan and Drew. A. Lansdown declare that they have no conflict of interest. 13. J Am Acad Orthop Surg. 2009 Jul;17(7):415-25. doi: 10.5435/00124635-200907000-00002. Shoulder arthroplasty: prosthetic options and indications. Wiater JM(1), Fabing MH. Author information: (1)Department of Orthopaedic Surgery, William Beaumont Hospital, Medical Office Building, Suite 744, 3535 West Thirteen Mile Road, Royal Oak, MI 48073, USA. Glenohumeral arthropathy and failed shoulder arthroplasty can lead to debilitating pain, reduced motion and strength, and limited function. Primary osteoarthritis, posttraumatic osteoarthritis, rheumatoid arthritis, cuff tear arthropathy, and osteonecrosis are common in this patient population. Shoulder arthroplasty may fail because of problems with the prosthesis, such as wear, loosening, and dislocation of the components, or because of bone and soft-tissue problems, such as glenoid arthrosis and rotator cuff tear. The disparate pathogenesis of these processes presents unique challenges to the treating surgeon and requires diagnosis-specific treatment options, whether involving hemiarthroplasty, total shoulder arthroplasty, or reverse total shoulder arthroplasty. Until recently, prosthesis options were limited to a stemmed humeral component with or without a polyethylene glenoid component. The array of prosthetic options currently available allows individualized treatment. DOI: 10.5435/00124635-200907000-00002