NEJM:紫杉醇涂层球囊治疗下肢动脉疾病

2015-06-25 崔倩 译 MedSci原创

背景:经皮腔内血管成形术治疗外周动脉疾病由于血管回缩和再狭窄的发生受到限制。药物涂层球囊将抗增殖剂直接送达到动脉,通过减少再狭窄潜在地改善血管通畅性。    方法:这项单盲,随机试验,在54个地点进行,研究人员以2:1的比例分配476例在休息时有间歇性跛行或缺血性疼痛的患者,冠脉造影显示有明显的动脉粥样硬化病变可进行紫杉醇涂层球囊血管成形术或标准血管成形术。主要疗效终

背景:经皮腔内血管成形术治疗外周动脉疾病由于血管回缩和再狭窄的发生受到限制。药物涂层球囊将抗增殖剂直接送达到动脉,通过减少再狭窄潜在地改善血管通畅性。
    
方法:这项单盲,随机试验,在54个地点进行,研究人员以2:1的比例分配476例在休息时有间歇性跛行或缺血性疼痛的患者,冠脉造影显示有明显的动脉粥样硬化病变可进行紫杉醇涂层球囊血管成形术或标准血管成形术。主要疗效终点为在12个月靶病变的通畅(定义为免于再狭窄或再次需要靶病变血管重建)。主要安全终点是免于任何原因围手术期死亡以及在12个月时和肢体相关的死亡的组合(即和肢体相关的的医学并发症),截肢和再次干预。
    
结果:两组在基线时匹配良好;42.9%的患者患有糖尿病,并且34.7%的患者是当前吸烟者。在12个月时,接受药物涂层球囊血管成形术的患者中的通畅率优于接受常规血管成形术的患者(65.2%  vs 52.6%,P=0.02)。药物涂层球囊组的无主安全事件的患者的比例为83.9%,标准血管成形术的为79.0%(非劣效性P=0.005)。在功能性成果或死亡,截肢,血栓形成,或再次介入方面没有显著组间差异。
    
结论:在有症状的下肢外周动脉疾病患者中,用紫杉醇涂层球囊的经皮腔内血管成形术使得在12个月初级通畅率比标准球囊血管成形术高。相对于安全性药物涂层球囊不劣于标准球囊。

原始出处:

Kenneth Rosenfield, M.D., Michael R. Jaff, D.O., Christopher J. White, M.D., Krishna Rocha-Singh, M.D., Carlos Mena-Hurtado, M.D., D. Christopher Metzger, M.D., Marianne Brodmann, M.D., Ernst Pilger, M.D., Thomas Zeller, M.D., Prakash Krishnan, M.D., Roger Gammon, M.D., Stefan Müller-Hülsbeck, M.D., Mark R. Nehler, M.D., James F. Benenati, M.D., and Dierk Scheinert, M.D. for the LEVANT 2 Investigators,Trial of a Paclitaxel-Coated Balloon for Femoropopliteal Artery Disease,NEJM,2015.6.24

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    2015-06-27 花花1366

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