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Minimally Invasive Midvastus versus Standard Parapatellar Approach in Total Knee Arthroplasty: A Meta-Analysis of Randomized Controlled Trials

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  • San-Zhong Xu
  • Xiang-Jin Lin
  • Xiang Tong
  • Xuan-Wei Wang

Abstract

Objective: Minimally invasive midvastus approach (mini-midvastus) has been widely used in total knee arthroplasty (TKA). However, the clinical effects still remains controversial. This meta-analysis was based on randomized controlled trials (RCTs) aiming to quantitatively analyze the clinical efficacy of mini-midvastus versus standard parapatellar approach in TKA. Methods: This meta-analysis was performed according to the PRISMA guidelines. A literature search for the eligible RCTs was carried out in the databases of PubMed, the Cochrane library, EMBASE and Web of Science. Two independent reviewers independently completed the study selection, data extraction, and the assessment of methodological quality. Meta-analysis was conducted by the RevMan 5.2 software. Results: A total of 18 RCTs (937 patients with 1093 TKAs) published from 2007 to 2013 were included. The meta-analysis suggested that the mini-midvastus approach significantly improved knee range of motion (ROM) and decreased visual analog score (VAS) at postoperative 1–2 weeks (p 0.05). However, the operative time was significantly longer when performing the mini-midvastus group than the parapartellar approach (p

Suggested Citation

  • San-Zhong Xu & Xiang-Jin Lin & Xiang Tong & Xuan-Wei Wang, 2014. "Minimally Invasive Midvastus versus Standard Parapatellar Approach in Total Knee Arthroplasty: A Meta-Analysis of Randomized Controlled Trials," PLOS ONE, Public Library of Science, vol. 9(5), pages 1-7, May.
    • Handle: RePEc:plo:pone00:0095311
    DOI: 10.1371/journal.pone.0095311
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