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  • Title: [Clinical outcome of single-bundle versus anatomic double-bundle reconstruction of the anterior cruciate ligament: a meta-analysis].
    Author: Chen M, Dong QR, Xu W, Ma WM, Zhou HB, Zheng ZG.
    Journal: Zhonghua Wai Ke Za Zhi; 2010 Sep 01; 48(17):1332-6. PubMed ID: 21092616.
    Abstract:
    OBJECTIVE: To evaluate clinical outcome after anterior cruciate ligament (ACL) reconstruction with double-bundle or single-bundle by meta-analysis. METHODS: Randomized controlled trials (RCTs) on differences of clinical outcomes of ACL reconstruction were retrieved in Ovid Medline, PubMed, Embase, Cochrane Library, CBM and VIP database. Relevant journals or conference proceedings were also searched manually. Then extracted the date of KT-1000 arthrometer, pivot-shift testing, Lysholm score and IKDC final score in these researches. RevMan 5.0.23 software was used for data analyses. RESULTS: Eight prospective RCTs met the inclusion criteria. The combined results of meta-analysis indicated that there was statistical difference between two operative procedures on postoperative KT-1000 arthrometer side-to-side [WMD = -0.35, 95%CI (-0.61, -0.08), P = 0.01], Lysholm score [WMD = -1.91, 95%CI (-3.45, -0.37), P = 0.01]. But the difference of KT-1000 arthrometer side-to-side is demonstrated to be clinically insignificant. Others indicated that there was no statistical differences with respect to IKDC final score [OR = 1.80, 95%CI (0.98, 3.31), P = 0.06], having a normal or nearly normal pivot-shift testing [OR = 1.64, 95%CI (0.85, 3.16), P = 0.14]. CONCLUSIONS: Double-bundle reconstruction does not result in clinically significant advantage when compared with single-bundle. The results do not support the theory that double-bundle reconstruction controls knee rotation better.
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