Abstract
BackgroundThe purpose of this study was to investigate the outcomes and complications of hemiarthroplasty (HA) and total shoulder arthroplasty (TSA) in patients of osteonecrosis of humeral head (ONHH) through systematic review. MethodsPRISMA (Preferred Reporting Items for Systematic Meta-Analyses) guidelines were followed by utilizing the PubMed, EMBASE, Scopus, Ovid, and Cochrane Library databases. Keywords included ONHH, avascular necrosis, head replacement, hemiarthroplasty, or total shoulder arthroplasty. Methodological Index for Nonrandomized Studies (MINORS) was used for quality assessment. ResultsTen studies (416 shoulders) were finally eligible and mean MINORS score was 11.9 (ranges, 8–16). HA was performed in 255 shoulders (61.3%) and TSA in 161 (38.7%). Mean age of the patients at the time of surgery was 50.6 years and mean follow-up period was 73.1 months. All clinical scores with range of motion were significantly improved after surgery. Overall complication rate was 20.0% with 10.1% in HA and 17.5% in TSA (p = 0.077). Overall reoperation rate was 11.2% with 7.0% in HA and 15.0% in TSA (p = 0.046). Overall revision rate was 6.4% with 5.7% in HA and 9.2% in TSA (p = 0.349). ConclusionsBoth HA and TSA in patients with ONHH yielded functional improvement with pain relief, but TSA had higher reoperation rate compared to HA.
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