Abstract
BackgroundWhether resurface the patella or not in total knee arthroplasty (TKA) was controversial. In 2013, we conducted a meta-analysis of randomized controlled trials (RTCs). After that, plenty of studies have been carried out, but there still existed a great deal of controversy. In order to update our previous study, we conducted this update meta-analysis to evaluate the efficacy of patellar resurfacing in TKA.MethodsDatabases were searched for RCTs comparing the outcomes of patellar resurfacing and nonresurfacing in TKA. Outcomes of knee relevant indicators were analysed. To see the short- and long-term effects, we calculated the data in total and divided the patients who were followed up for ≤ 3 years and ≥ 5 years into two subgroups as well.ResultsThirty-two trials assessing 6887 knees were eligible. There was a significant difference in terms of reoperation (in total and ≥ 5 years), Knee Society Score (KSS), function score (in total and ≥ 5 years) and noise. While no significant difference was found in the following items: reoperation (≤ 3 years), anterior knee pain (AKP), function score (≤ 3 years), range of motion (ROM), Oxford score, the Knee Injury and Osteoarthritis Outcome Score (KOOS), visual analogue score (VAS), Feller score, patellar tilt and the patients’ satisfaction.ConclusionsWe found that patellar resurfacing could reduce the occurrence of reoperation and noise after surgery, as well as increase the KSS and function score, while it might not influence the outcomes such as AKP, ROM, Oxford score, KOOS, VAS, Feller score, patellar tilt and the patients’ satisfaction. The results are different from our previous finding in the meta-analysis. In conclusion, we prefer patellar resurfacing in TKA.
Highlights
Total knee arthroplasty (TKA) is one of the most common treatments for patients suffered knee arthritis
No consensus on the best management has been reached [4]. The outcome indicators such as Knee Society Score (KSS), function score of KSS, range of motion (ROM), anterior knee pain (AKP) postoperative and the ratio of reoperation are different in various studies [1–5]
Identification and eligibility of relevant Randomized controlled trials (RCTs) We carried out a literature search using MEDLINE, Ovid and Cochrane Library databases to identify all papers published from January 2013 to May 2020 that evaluated the outcome of patients undertaking total knee arthroplasty (TKA) with patellar resurfacing or not
Summary
Total knee arthroplasty (TKA) is one of the most common treatments for patients suffered knee arthritis. No consensus on the best management has been reached [4] The outcome indicators such as Knee Society Score (KSS), function score of KSS, range of motion (ROM), anterior knee pain (AKP) postoperative and the ratio of reoperation are different in various studies [1–5]. In order to see if the result of our previous study has changed and update the latest data, we conducted this update meta-analysis of available RCTs to evaluate the efficacy of patellar resurfacing in TKA. We evaluated the items as follows: reoperation, AKP, KSS, function score, ROM, Oxford score, the Knee injury and Osteoarthritis Outcome Score (KOOS), visual analogue score (VAS) of pain, Feller score, patella tilt, noise after operation and patients’ satisfaction. In order to update our previous study, we conducted this update meta-analysis to evaluate the efficacy of patellar resurfacing in TKA
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