Europace:雷诺嗪可增强胺碘酮对新发房颤复律的效果

2017-06-23 MedSci MedSci原创

胺碘酮是临床上房颤药物复律的常用药物,但是不足之处是效果较温和并且有起效较慢。在体外实验中雷诺嗪和胺碘酮可表现出明显的协同作用,但是雷诺嗪联合胺碘酮治疗房颤的体内实验却并不多见。本实验采用前瞻性、单盲、随机性研究,综合对雷诺嗪联合胺碘酮及单用胺碘酮对新发房颤转复的安全性及效果进行比较。共有121名新发房颤患者(持续时间<48小时)纳入研究(平均年龄64±10岁,男性占45%),这些患者都符合药物复

胺碘酮是临床房颤药物复律的常用药物,但是不足之处是效果较温和并且有起效较慢。在体外实验中雷诺嗪和胺碘酮可表现出明显的协同作用,但是雷诺嗪联合胺碘酮治疗房颤的体内实验却并不多见。本实验采用前瞻性、单盲、随机性研究,综合对雷诺嗪联合胺碘酮及单用胺碘酮对新发房颤转复的安全性及效果进行比较。

共有121名新发房颤患者(持续时间<48小时)纳入研究(平均年龄64±10岁,男性占45%),这些患者都符合药物复律的标准。患者分单用胺碘酮组:24小时持续胺碘酮静脉泵入(负荷量5mg/kg,维持剂量50mg/h,n=60);胺碘酮联合雷诺嗪组:同样剂量胺碘酮静脉泵入+口服雷诺嗪1500mg(n=61)。结果显示:24小时内胺碘酮联合雷诺嗪组的复律效果明显高于单用胺碘酮组(分别为87% vs 70%,p=0,001)。分亚组研究左心房直径>46mm的患者接受联合治疗和单用胺碘酮治疗的效果(81% vs 54%;p=0.02),但是对左心房直径≤46mm患者,两种干预方式结果并无明显差异(p=0.77)。两组病例中均有轻度QT间期延长,但无明显的不良反应发生,也未发生心律失常事件。

从而我们得出结论:在本研究中胺碘酮联合雷诺嗪是安全的,而且在对新近房颤的复律效果上,联合用药要优于单用胺碘酮。这些研究结果对改善胺碘酮对房颤的复律的治疗策略很有临床意义。

原始出处:

Koskinas KC1, Fragakis N2, Katritsis D3, et al. Ranolazine enhances the efficacy of amiodarone for conversion of recent-onset atrial fibrillation. Europace. 2014 Jul;16(7):973-9. doi: 10.1093/europace/eut407. Epub 2014 Jan 27.

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    2017-08-30 shanyongle
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    2017-07-04 虈亣靌

    不错的,学习了,谢谢分享!

    0

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    2017-06-27 jyzxjiangqin

    雷诺嗪对新发房颤复律的效果。

    0

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