Improved performance of cementless total knee arthroplasty (TKA)across international registries: a comparative review.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: Declarations. Conflict of interest: The authors declare no competing interests. 14. Orthopedics. 2019 Mar 1;42(2):e236-e241. doi: 10.3928/01477447-20190125-03. Epub 2019 Feb 1. Outcomes of Uncemented Versus Cemented Reverse Shoulder Arthroplasty for Proximal Humerus Fractures. Schoch B, Aibinder W, Walters J, Sperling J, Throckmorton T, Sanchez-Sotelo J, Duquin T. Reverse shoulder arthroplasty (RSA) for proximal humerus fractures (PHFs) is traditionally performed with cemented humeral fixation. The purpose of this study was to compare the clinical and radiographic outcomes of cemented and cementless RSA for PHF. Between 2010 and 2014, 38 acute PHFs were treated with RSA and followed for a minimum of 2 years (mean, 37 months; range, 24-66 months). The mean time from fracture to RSA was 7 days (range, 1-30 days). Humeral stems were cemented in 19 shoulders and uncemented in 19 shoulders. Outcome measures included visual analog scale pain scores, range of motion, postoperative Quick Disabilities of the Arm, Shoulder and Hand scores, American Shoulder and Elbow Surgeons scores, and radiographic parameters. The 2 groups had similar visual analog scale pain scores, postoperative range of motion, and Quick Disabilities of the Arm, Shoulder and Hand scores (P>.05). American Shoulder and Elbow Surgeons scores and satisfaction scores were significantly higher with cemented humeral fixation (76.3 vs 48.0, P=.005; 1.2 vs 1.8, P=.04). Radiographically, there was no difference in terms of tuberosity healing, component loosening, or notching (P>.05). Reverse shoulder arthroplasty provides pain relief for PHF, regardless of humeral fixation. In this cohort, cementless fixation was associated with worse patient-reported outcomes, although no correlation could be established with pain, motion, or tuberosity healing. Further studies are required before cementless fixation can be recommended for RSA for fracture. [Orthopedics. 2019; 42(2):e236-e241.]. Copyright 2019, SLACK Incorporated. DOI: 10.3928/01477447-20190125-03