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希氏束起搏:心力衰竭治疗的新前沿。

His Bundle Pacing: A New Frontier in the Treatment of Heart Failure.

作者信息

Ali Nadine, Keene Daniel, Arnold Ahran, Shun-Shin Matthew, Whinnett Zachary I, Afzal Sohaib S M

机构信息

National Heart and Lung Institute, Imperial College London, UK.

出版信息

Arrhythm Electrophysiol Rev. 2018 Jun;7(2):103-110. doi: 10.15420/aer.2018.6.2.

Abstract

Biventricular pacing has revolutionised the treatment of heart failure in patients with sinus rhythm and left bundle branch block; however, left ventricular-lead placement is not always technically possible. Furthermore, biventricular pacing does not fully normalise ventricular activation and, therefore, the ventricular resynchronisation is imperfect. Right ventricular pacing for bradycardia may cause or worsen heart failure in some patients by causing dyssynchronous ventricular activation. His bundle pacing activates the ventricles via the native His-Purkinje system, resulting in true physiological pacing, and, therefore, is a promising alternate site for pacing in bradycardia and traditional CRT indications in cases where it can overcome left bundle branch block. Furthermore, it may open up new indications for pacing therapy in heart failure, such as targeting patients with PR prolongation, but a narrow QRS duration. In this article we explore the physiology, technology and potential roles of His bundle pacing in the prevention and treatment of heart failure.

摘要

双心室起搏彻底改变了窦性心律和左束支传导阻滞患者的心力衰竭治疗方式;然而,左心室导线置入在技术上并非总是可行。此外,双心室起搏并不能完全使心室激动正常化,因此心室再同步并不完美。用于治疗心动过缓的右心室起搏可能会导致心室激动不同步,从而在一些患者中引起或加重心力衰竭。希氏束起搏通过天然的希氏-浦肯野系统激活心室,实现真正的生理性起搏,因此,在能够克服左束支传导阻滞的情况下,对于心动过缓和传统心脏再同步治疗(CRT)适应证而言,它是一个有前景的起搏替代部位。此外,它可能为心力衰竭的起搏治疗开辟新的适应证,比如针对PR间期延长但QRS波时限狭窄的患者。在本文中,我们探讨希氏束起搏在心力衰竭预防和治疗中的生理学、技术及潜在作用。

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