Reverse shoulder arthroplasty: The Singapore General Hospital experience and a simple method of measuring change in the center-of-rotation

Ang, Chay-You; Lai, Kah-Weng; Tjoen, Denny Lie Tjiauw; Cheng, Paul Chang Chee

doi:10.1016/j.jor.2014.04.019

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…However, examining the literature for similar measurements in Asian patients revealed a different picture. A paper by Ang et al 4 studied clinical outcomes of patients who underwent RSA for cuff arthropathy in a demographically similar population, finding that CMS at 1-year averaged 53.9, and 52.5 at 2-years. These results are similar to the current study, suggesting population-based differences in absolute functional outcome scores.…”

Section: Discussionmentioning

confidence: 99%

“…1 Initially developed for massive rotator cuff tears and secondary glenohumeral arthritis, long term data has demonstrated its high efficacy in improving function, reducing pain and contributing to high rates of satisfaction. [2][3][4] Increasingly, the success of RSA has led to an expansion of the indications of RSA to include its use for acute proximal humeral fractures.…”

Section: Introductionmentioning

confidence: 99%

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Comparable outcomes of reverse shoulder arthroplasty for proximal humerus fractures and for rotator cuff arthropathy in a predominantly asian population

et al. 2022

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Background Reverse shoulder arthroplasty (RSA) was initially developed for rotator cuff arthropathy but has been expanded to treat comminuted proximal humerus fractures. Few studies have compared RSA for traumatic and degenerative indications. We present the first report of mid-term outcomes of RSA comparing both indications in an Asian population. Methods 113 degenerative and 20 fracture patients underwent RSA from 2010 to 2019. Patients with degenerative indications were 4:1 propensity-score matched to fractures and adjusted for age and sex. Patients were assessed for range of motion (ROM), strength, pain, Constant-Murley score (CMS), University of California Los Angeles Shoulder Score (UCLA) and Oxford shoulder score (OSS) preoperatively, at 6-months and 1-year. Patients’ satisfaction, expectation fulfilment and minimal clinically important difference (MCID) were analysed. Results Degenerative patients had better ROM, isometric strength and CMS at 6-months, although at 1-year only abduction was superior (104.8 ± 17.3° vs 86.7 ± 19.8°). No significant differences in pain, UCLA and OSS were observed. Most improvements occurred within 6 months. Similar proportions of patients were satisfied (83.3% vs 73.3%, p = 0.460) and attained MCID (85.0% vs 86.7%, p = 1.000) at 1-year. Discussion Although initially exhibiting slower recovery, patients with proximal humerus fractures can expect similar functional recovery and satisfaction at 1-year compared to those who received RSA for degenerative indications.

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Section: Discussionmentioning

confidence: 99%