Abstract
BackgroundNumerous surgical approaches are being used to perform total knee arthroplasty (TKA). This systematic review and network meta-analysis aimed to compare surgical approaches used in TKA regarding postoperative outcomesat different time points. MethodsWe performed a literature search from medical database inception until October 2, 2021. We searched for randomized controlled trials (RCTs) investigating patients undergoing TKA and comparing at least 2 surgical approaches regarding early postsurgical clinical outcomes (range of motion [ROM], pain on a visual analog scale, and Knee Society Score [KSS]). We included 33 RCTs in our networks. Using paired and network meta-analysis, we calculated pooled mean differences (MDs) with 95% CIs by comparing surgical approaches to the medial parapatellar method. ResultsThe subvastus (SV) method performed the best on days 1 (MD = 6.99; CI: 1.08; 12.89), 3 (MD = 8.00; CI: 2.08; 13.92), 4 (MD = 27.01; CI: 18.09; 35.92), and 6 (MD = 27.22; CI: 18.38; 36.07) for ROM improvement. Regarding the decrease in pain, the mini SV approach offered significantly lower pain values on days 1 (MD = −1.98; CI: −2.93; −1.03), 3 (MD = −0.85; CI: −1.49; −0.22), and 7 (MD = −1.90; CI: −2.23; −1.57). The differences decreased as time passed. Furthermore, the SV and mini-SV methods performed the best regarding total, knee and function KSS. ConclusionQuadriceps-sparing approaches, especially the SV and mini-SV, are superior to the other approaches in the early postsurgical period, but the differences decrease as time passes.
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