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JAMA:感染性休克患者应用β阻滞剂可达目标心率且不增加不良结局

2013-10-17 coffeecoffee DXY

研究要点: 1.感染性休克与心功能不良反应有关,β阻滞剂可控制心率但可能导致心血管代偿失调。 2.Andrea Morelli等人研究了短效β阻滞剂艾司洛尔对高死亡风险的严重感染性休克患者心率的影响。 3.结果发现β阻滞剂治疗感染性休克患者可达到目标心率,且不会增加不良结局,结果发表于《美国医学会杂志》。 感染性休克与心功能不良反应有关。β阻滞剂治疗可控制心率,并可改善心血管表现,但β阻滞

研究要点:

1.感染性休克与心功能不良反应有关,β阻滞剂可控制心率但可能导致心血管代偿失调。

2.Andrea Morelli等人研究了短效β阻滞剂艾司洛尔对高死亡风险的严重感染性休克患者心率的影响。

3.结果发现β阻滞剂治疗感染性休克患者可达到目标心率,且不会增加不良结局,结果发表于《美国医学会杂志》。【原文下载】

感染性休克与心功能不良反应有关。β阻滞剂治疗可控制心率,并可改善心血管表现,但β阻滞剂可能会导致心血管代偿失调(心脏无法维持足够血循环)。为此,意大利罗马大学Andrea Morelli教授及其同事进行了相关研究,评估短效β阻滞剂艾司洛尔对高死亡风险的严重感染性休克患者心率的影响。结果发现,β阻滞剂用于感染性休克患者治疗可达到目标心率,且不增加不良结局,研究结果发表于《美国医学会杂志》。

这项2期随机化临床研究于2010年11月至2012年7月间在一所大学医院特护病房(ICU)进行,受试者均为心率不低于95次/分钟且需高剂量去甲肾上腺素维持平均动脉压不低于65mm Hg的感染性休克患者,其中77名受试者随机分配后接受持续艾司洛尔输液,将患者在ICU期间的心率维持在80-94次/分钟(BPM)间,另77名受试者接受标准治疗。研究主要终点为心率降低至预定95 BPM阈值以下,且持续超过96小时心率维持于80-94 BPM间。

研究人员发现,艾司洛尔治疗组中,所有患者均达到目标心率,且治疗期间心率显著低于对照组。此外,艾司洛尔治疗组28天死亡率为49.4%,而对照组死亡率为80.5%,艾司洛尔治疗组总体生存率较高。两组间其他心肺变量或补救治疗需求没有临床相关差异。不过,研究人员同时指出,艾司洛尔对患者临床结局的影响还需更深入的研究。


原文检索:
Morelli A, Ertmer C, Westphal M, Rehberg S, Kampmeier T, Ligges S, Orecchioni A, D'Egidio A, D'Ippoliti F, Raffone C, Venditti M, Guarracino F, Girardis M, Tritapepe L, Pietropaoli P, Mebazaa A, Singer M.Effect of Heart Rate Control With Esmolol on Hemodynamic and Clinical Outcomes in Patients With Septic Shock: A Randomized Clinical Trial.JAMA. 2013 Oct 9. doi: 10.1001/jama.2013.278477. 【原文下载】

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    2014-02-22 zhyy88
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    2013-10-20 zhgsh2011

    可以打消临床上的疑虑,不知道会不会有种族差异!

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