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AIM:有机械症状的患者不能受益于关节镜下半月板部分切除术

2016-02-12 崔倩 译 MedSci原创

最近的证据表明,关节镜下半月板部分切除(APM)对于退行性半月板撕裂的患者保守治疗没有好处。然而,报告有机械症状(膝盖有捕捉或锁定)的患者可能会受益于APM。该研究的目的是评估APM是否比假手术能够更好的改善了机械症状。该随机,病人和结果评估–盲,假手术–对照、多中心临床试验,在芬兰5个整形外科诊所进行。该研究的参与者为退行性内侧半月板撕裂,无膝关节骨性关节炎的成年人(年龄35〜65岁)。干预措施

最近的证据表明,关节镜下半月板部分切除(APM)作为退行性半月板撕裂的患者的保守治疗没有好处。然而,既往的研究曾报告,有机械症状(膝盖有捕捉或闭锁)的患者可能会受益于APM。

该研究的目的是评估APM是否比假手术能够更好的改善了机械症状。该随机,病人和结果评估–盲,假手术–对照、多中心临床试验,在芬兰的5个整形外科诊所进行。该研究的参与者为退行性内侧半月板撕裂,无膝关节骨性关节炎的成年人(年龄35〜65岁)。干预措施为APM或假手术。评估措施为术前、术后2、6、12个月的患者自我报告的机械症状

70例患者随机分配到APM,76例被分配到假手术组。APM组的32例(46%)和假手术组的37例(49%)患者被报告手术之前捕捉或闭锁;在随访的任何时期相应的数字分别为34例(49%)和33例(43%),风险差为0.03(95%CI,-0.06至0.12)。在亚组中术前捕捉或闭锁的有69例患者,风险差为0.07(CI,-0.08至0.22)。

该研究的限制性为分析是事后分析,由于少数报道其他类型机械症状患者,其结果是只适用于膝盖捕捉和偶尔闭锁。

半月板撕裂手术切除与假手术相比,对于缓解膝盖捕捉和偶尔闭锁,没有额外的好处。这些研究结果质疑了机械症状是否是由于退行性半月板撕裂引起的,并提示谨慎使用这些症状病人的自我报告作为APM的指示。

原始出处:

Raine Sihvonen,Martin Englund,Aleksandra Turkiewicz,et al.Mechanical Symptoms and Arthroscopic Partial Meniscectomy in Patients With Degenerative Meniscus Tear,Ann Intern Med,2016.2.9

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