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Circulation:早期使用NAC和NTG治疗可以减少STEMI患者PCI术后心肌梗死面积!

2017-06-21 xing.T MedSci原创

由此可见,大剂量静脉注射NAC同时接受低剂量静脉注射NTG与STEMI患者PCI术后心肌梗死面积减少相关。需要一个更大型的研究来评估这种疗法对临床心脏结局的影响。

目前ST段抬高型心肌梗死(STEMI)的治疗包括经皮冠状动脉介入治疗(PCI),仍在继续的研究也专注于利用辅助疗法减少心肌梗死面积。N-乙酰半胱氨酸(NAC)是一个抗氧化剂,具有清除活性氧簇的特性,也可加强硝酸甘油(NTG)的作用,因此在PCI的辅助治疗中具有潜在的益处。NACIAM试验(NAC在急性心肌梗死中的作用)评估了NAC对接受PCI治疗的STEMI患者心肌梗死面积的影响。该研究是一项随机双盲、安慰剂对照、多中心临床研究,评估了在背景剂量NTG(2天,7.2mg)的基础上静脉注射大剂量NAC(2天,29g)对早期心脏磁共振(CMR)成像评估的心肌梗死面积的影响。该研究的次要终点包括CMR测定的心肌挽救水平,以及肌酸激酶(CK)动力学。该研究共有112名STEMI患者随机分组,75例患者(37例接受NAC治疗和38例接受安慰剂治疗)进行了早期CMR成像检查。缺血预处理的中位持续时间为2.4小时。所有患者给予了基础NTG输液,随机分配接受NAC治疗的受试者相比于安慰剂组受试者CMR评估梗死面积绝对减少了5.5%(中位数为11% vs. 16.5%;P=0.02)。在NAC组心肌挽救

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    2018-02-04 zxl736
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    2017-06-21 月吟凤歌

    一起来学习吧

    0

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