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Meta-Analysis
. 2015 Apr;30(4):580-6.
doi: 10.1016/j.arth.2014.11.025. Epub 2014 Dec 4.

Do Patients Really Gain Outcome Benefits When Using the High-Flex Knee Prostheses in Total Knee Arthroplasty? A Meta-Analysis of Randomized Controlled Trials

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Meta-Analysis

Do Patients Really Gain Outcome Benefits When Using the High-Flex Knee Prostheses in Total Knee Arthroplasty? A Meta-Analysis of Randomized Controlled Trials

Canfeng Li et al. J Arthroplasty. .

Abstract

The purpose of this study was to undertake a meta-analysis to evaluate whether patients really gain outcome benefits when using the high-flex (HF) prostheses in total knee arthroplasty (TKA) compared with standard (STD) implants. Only randomized controlled trials were included in this meta-analysis. After searching PubMed, Embase, Wed of Science and Cochrane Library, 1042 papers were identified and 18 trials were finally eligible for meta-analysis including 2069 knees (1906 patients). We found no statistically significant difference between the two designs in terms of ROM, knee scores (KSS, HSS, WOMAC, and SF-36), patients' satisfaction and complications. Hence there is currently no evidence to confirm that the use of high-flex prostheses in short-term is superior to the standard prostheses after total knee arthroplasty.

Keywords: high flexion; range of motion; standard prosthesis; total knee arthroplasty.

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