Infraglenoidal Scapular Notching in Reverse Total Shoulder Replacement: A Prospective Series of 60 Cases and Systematic Review of the Literature

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Infraglenoidal Scapular Notching in Reverse Total Shoulder Replacement: A Prospective Series of 60 Cases and Systematic Review of the Literature

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Title: Infraglenoidal Scapular Notching in Reverse Total Shoulder Replacement: A Prospective Series of 60 Cases and Systematic Review of the Literature
Author: Sadoghi, Patrick; Leithner, Andreas; Hochreiter, Josef; Pietschmann, Matthias F; Vavken, Patrick; Holzer, Andreas; Weber, Georg F; Muller, Peter E

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Citation: Sadoghi, Patrick, Andreas Leithner, Patrick Vavken, Andreas Holzer, Josef Hochreiter, Georg Weber, Matthias F Pietschmann, and Peter E Muller. 2011. Infraglenoidal scapular notching in reverse total shoulder replacement: a prospective series of 60 cases and systematic review of the literature. BMC Musculoskeletal Disorders 12: 101.
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Abstract: Background: The impact of infraglenoidal scapular notching in reversed total shoulder arthroplasty (RTSA) is still controversially discussed. Our goal was to evaluate its potential influence on subjective shoulder stability and clinical outcome. We hypothesized that subjective instability and clinical outcome after implantation of RTSA correlates with objective scapular notching. Methods: Sixty shoulders were assessed preoperatively and at minimum 2-year follow-up for active range of motion and by use of the Oxford instability score, Rowe score for instability, Constant score for pain, Constant shoulder score, DASH score. All shoulders were evaluated on anterior-posterior and axillary lateral radiographic views. These X-ray scans were classified twice by two orthopaedic surgeons with respect to infraglenoidal scapular notching according to the classification of Nerot. Notching was tested for correlation with clinical outcome scores to the evaluated notching. Results: We found no significant correlation between infraglenoidal scapular notching and clinical outcomes after a mid-term follow-up from 24 to 60 months, but at the final follow-up of 60 months and more, we did see statistically significant, positive correlations between infraglenoidal scapular notching and the Constant pain score as well as active range of motion. At mean follow-up of 42 months (range from 24 to 96 months) we found no significant correlation between subjective instability and infraglenoidal scapular notching. Conclusions: We conclude that patients' subjective impression on their shoulders' stability is not correlating with radiological signs of infraglenoidal scapular notching. Nevertheless clinical parameters are affected by infraglenoidal scapular notching, at least in the long term
Published Version: doi://10.1186/1471-2474-12-101
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3112432/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:8160878

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