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[Effect of knee arthroscopy on subsequent total knee arthroplasty: Meta-analysis]
Xiao-le Li1, Zi-Quan Yang1, Xu Liu1
1Department of Orthopaedics, the Second Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China.
Objective:
To evaluate effect of knee arthroscopy on prognosis of subsequent total knee arthroplasty (total knee arthroplasty, TKA) by Meta-analysis.
Methods:
Databases including PubMed, Embase, Cochrane Library, CNKI, Wanfang and other databases were searched by computer from establishing to October 2020 to collect literatures on effect of knee arthroscopy on prognosis of subsequent TKA. Quality evaluation and data extraction were carried out according to inclusion, exclusion criteria and literature screening. Newcastle-Ottawa Scale (NOS) was used to evaluate literature quality of non-randomized controlled studies. RevMan 5.3 software was applied to Meta-analysis on revision rate, reoperation rate, postoperative stiffness rate, periprosthetic infection rate, postoperative venous thrombosis venous thromboembolism(VTE) rate and postoperative knee flexion range of motion after TKA.
Results:
Eight literatures were finally included with totally sample size of 182 815 patients. Among them, 6 998 patients were in knee arthroscopy group and 175 817 patients were in knee arthroscopy group. Meta-analysis results showed that there were statistical differences in revision rate after TKA[OR=1.66, 95%CI(1.37, 2.00), P<0.000 01], re-operation rate[OR=2.31, 95%CI(1.59, 3.36), P<0.000 1], postoperative stiffness rate[OR=1.78, 95%CI(1.02, 3.11), P=0.04] and infection rate around prosthesis[OR=1.40, 95%CI(1.19, 1.66), P<0.000 1]. While there were no difference in VTE rate[OR=1.06, 95%CI(0.83, 1.35), P=0.64], postoperative knee flexion range of motion[MD=-1.21, 95%CI(-3.07, 0.65), P=0.20].
Conclusion:
Knee arthroscopy has a negative impact on subsequent TKA surgery. Previous arthroscopic increased risk of stiffness, periprosthetic joint infection, revision and reoperation after TKA, but there was no significant difference in postoperative knee flexion range of motion and incidence of VTE.
