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. 2020 Dec;12(1 Suppl):81-87.
doi: 10.1177/1758573219842168. Epub 2019 Apr 11.

Early revision in anatomic total shoulder arthroplasty in osteoarthritis: a cross-registry comparison

Mark T Dillon  1 , Richard S Page  2 , Stephen E Graves  3 , Michelle F Lorimer  4 , Heather A Prentice  5 , Jessica E Harris  5 , Elizabeth W Paxton  5 , Ronald A Navarro  6
Affiliations

Early revision in anatomic total shoulder arthroplasty in osteoarthritis: a cross-registry comparison

Mark T Dillon et al. Shoulder Elbow. 2020 Dec.

Abstract

Background: We evaluated anatomic total shoulders undergoing early revision (less than two years) in the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) and the Kaiser Permanente Shoulder Arthroplasty Registry (KPSAR).

Methods: A cross-sectional comparison of both registries was performed between the years of 2009 and 2012. Only patients who underwent anatomic total shoulder arthroplasty for a primary diagnosis of osteoarthritis were included. Aggregate-level data of patients undergoing early revisions done within two years of index arthroplasty were evaluated, and descriptive analysis was conducted.

Results: During the study period, 4614 patients were identified in the AOANJRR compared to 2036 in the KPSAR. Rotator cuff pathology, component loosening, and prosthetic instability were among the most common reasons for revision in both registries. A higher rate of revision in the AOANJRR was found to be secondary to the failure of one specific prosthesis, which has since been discontinued.

Discussion: Comparing reasons for early revision in total shoulder arthroplasty revealed several similarities between the AOANJRR and KPSAR. Differences were also noted, and this study served to highlight the importance prosthesis selection can play in determining outcomes. Cooperation among registries may allow for earlier identification of risk factors for failure in shoulder arthroplasty.

Keywords: osteoarthritis; registry; revision; total shoulder arthroplasty.

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Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

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