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Does Anti-Inflammatory Action of Amiodarone Explain the High Efficacy in Patients With Heart Failure?

机译:胺碘酮的抗炎作用是否能说明心力衰竭患者的高疗效?

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摘要

Patients with congestive heart failure (CHF) are particularly at a high risk of having sudden cardiac death, presumably caused by lethal arrhythmias. Attempts have been made to suppress ventricular arrhythmias with antiarrhythmic drugs, in the expectation of prolonging survival. However, most of the efforts have not been fruitful as observed in the Cardiac Suppression Trial, in which the suppression with flecainide or encainide increased rather than decreased mortality in patients with myocardial infarction~1 Among many antiarrhythmic drugs, amiodarone is assumed to be one of the most effective antiarrhythmic drugs to prevent sudden cardiac death. A favorable outcome of long-term amiodarone treatment in patients with CHF has been suggested from several clinical trials~2,3 Of note, the clinical studies indicated that amiodarone improved cardiac function and reduced the mortality rate, independently of arrhythmia suppression. However, it remains unclear how amiodarone can improve ventricular function in failing hearts.
机译:充血性心力衰竭(CHF)患者特别容易发生致命性心律失常引起的猝死。为了延长生存期,已经尝试用抗心律不齐药物抑制室性心律失常。但是,大多数的努力都没有在心脏抑制试验中观察到的结果,在该实验中,氟卡尼或恩卡尼的抑制作用增加而不是降低了心肌梗死患者的死亡率。〜1在许多抗心律不齐药物中,胺碘酮被认为是其中一种最有效的抗心律失常药物,可预防心源性猝死。多项临床试验提示长期胺碘酮治疗CHF有良好的疗效[2,3]。值得注意的是,临床研究表明,胺碘酮可改善心功能并降低死亡率,与心律失常抑制无关。然而,目前尚不清楚胺碘酮如何改善心脏衰竭患者的心室功能。

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