• 1. Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu 610041, China;2. Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China;
LI Jian, Email: hxlijian.china@163.com
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Objective  To systematically evaluate the effectiveness of intra-articular hyaluronic acid injection after arthroscopic debridement for knee osteoarthritis (KOA).
Methods  Databases including The Cochrane Library, SCI, MEDLINE, EMbase, CBM and WanFang Data were searched from inception to 2012, so as to collect randomized controlled trials (RCTs) on intra-articular hyaluronic acid injection after arthroscopic debridement (combined therapy) vs. monotherapy in treating KOA. Two reviewers independently screened literature according to inclusion and exclusion criteria, evaluated quality, and extracted data. Then the meta-analysis was conducted using RevMan5.0 software.
Results  A total of 7 RCTs involving 526 patients were included. The results of meta-analyses showed that: there was no significant difference in the excellent-good rate between the combined therapy group and the monotherapy groups including either the intra-articular hyaluronic acid injection group (RR=1.40, 95%CI 0.99 to 1.98, P=0.06) or the arthroscopic debridement group (RR=1.09, 95%CI 0.93 to 1.26, P=0.29). But the intra-articular hyaluronic acid injection group was inferior to the combined therapy group in improving Lysholm score, with a significant difference (MD=–14.81, 95%CI –17.55 to –12.08, P lt;0.000 01).
Conclusion  Arthroscopic debridement combined with intra-articular hyaluronic acid injection for KOA shows no significant difference in the excellent-good rate compared with the monotherapy, but it is superior to the monotherapy of hyaluronic acid injection in improving Lysholm score, so it is believed the combined therapy group is superior to the control groups in therapeutic effects. Due to the limited quantity and quality of the included studies, this conclusion needs to be proved by performing more high quality RCTs

Citation: JIANG Xie,ZHAN Mei,LI Qi,LIU Dong,LI Jian. Intra-Articular Hyaluronic Acid Injection after Arthroscopic Debridement for Knee Osteoarthritis: A Systematic Review. Chinese Journal of Evidence-Based Medicine, 2012, 12(11): 1361-1366. doi: 10.7507/1672-2531.20120212 Copy

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