NEJM:冠状动脉搭桥术是采用单侧胸廓内动脉,还是双侧胸廓内动脉?

2016-11-15 xing.T MedSci原创

接受冠状动脉搭桥术的患者随访5年,接受单侧胸廓内动脉移植和接受双侧胸廓内动脉移植的患者在死亡或心血管事件的发生率方面无显著差异。进行双侧胸廓内动脉移植患者比进行单侧胸廓内动脉移植的患者有更多的胸骨伤口并发症,该研究后续的十年随访正在进行中。

相比于采用单侧胸廓内动脉加静脉移植,采用双侧胸廓内(乳腺)动脉进行冠状动脉搭桥术可能改善患者的长期预后。近日,顶级医学期刊NEJM上发表了一篇研究文章,旨在比较了两种冠状动脉搭桥术的效果。
 
在7个国家28个心脏外科中心中,研究人员将计划进行冠状动脉搭桥术的患者随机分组,分别进行单侧或双侧胸廓内动脉移植术。研究的主要结局为患者10年内的全因死亡,任何原因、心肌梗死或卒中引起的复合死亡作为研究的次要结局。在随访第5年进行中期分析。
 
该研究总共有3102例患者入选,随机分配1554例接受单侧胸廓内动脉移植(单侧移植组)和1548例接受双侧胸廓内动脉移植(双侧移植组)。在5年的随访中,单侧移植组患者的死亡率为8.7%,双侧移植组患者的死亡率为8.4%(风险比为1.04;95%可信区间为0.81-1.32;P=0.77),并且两组由任何原因、心肌梗死或卒中引起的复合死亡率分别为12.2%和12.7%(风险比为0.96;95% 可信区间为0.79-1.17;P=0.69)。单侧移植组患者胸骨部位伤口并发症的发生率为3.5%,双侧移植组患者胸骨部位伤口并发症的发生率为1.9%(P=0.005),而胸骨重建率两组分别为1.9%和0.6%(P=0.002)。
 
由此可见,接受冠状动脉搭桥术的患者随访5年,接受单侧胸廓内动脉移植和接受双侧胸廓内动脉移植的患者在死亡或心血管事件的发生率方面无显著差异。进行双侧胸廓内动脉移植患者比进行单侧胸廓内动脉移植的患者有更多的胸骨伤口并发症,该研究后续的十年随访正在进行中。
 
原始出处:
 
David P. Taggart, et al. Randomized Trial of Bilateral versus Single Internal-Thoracic-Artery Grafts. NEJM. November 14, 2016.

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    2016-11-16 大旺旺

    学习了啊

    0

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    2016-11-16 大旺旺

    学习了啊

    0

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    2016-11-16 zzc2214
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