Scientific Article   |    
Shoulder Arthroplasty for Osteoarthritis Secondary to Glenoid Dysplasia
John W. Sperling, MD; Robert H. Cofield, MD; Scott P. Steinmann, MD
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Investigation performed at the Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota

Robert H. Cofield, MD
Scott P. Steinmann, MD
Department of Orthopedic Surgery, Mayo Clinic, 200 First Street S.W., Rochester, MN 55902. E-mail address for J.W. Sperling: sperling.john@mayo.edu

The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. Commercial entities (Mayo Foundation and Smith and Nephew) paid or directed, or agreed to pay or direct, benefits to a research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

J Bone Joint Surg Am, 2002 Apr 01;84(4):541-546
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Background: Between 1980 and 1997, six patients (seven shoulders) with glenoid dysplasia and osteoarthritis underwent shoulder arthroplasty at our institution because of moderate or severe shoulder pain. There were four hemiarthroplasties and three total shoulder arthroplasties.

Methods: All six patients (seven shoulders) were followed for a minimum of two years or until the time of revision surgery. The average duration of follow-up was 7.3 years (range, 1.3 to sixteen years).

Results: One shoulder treated with total shoulder arthroplasty underwent revision surgery because of infection and loosening of the glenoid component 5.8 years following the arthroplasty. Three shoulders treated with hemiarthroplasty underwent revision to total shoulder arthroplasty as a result of glenoid arthrosis at sixteen months, twenty months, and thirty-four months. In each of these shoulders, glenoid deficiency and cartilage loss were not addressed at the time of the original hemiarthroplasty. The one shoulder that did not undergo revision after hemiarthroplasty had a glenoid osteotomy performed at the time of the hemiarthroplasty.

Conclusions: The data from this study suggest that glenoid deficiency and cartilage wear should be addressed in some way at the time of shoulder arthroplasty in patients with glenoid dysplasia.

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    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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