Papillary muscle ventricular ectopy ablation in a malignant mitral valve prolapse Ablation in Malignant Mitral Valve Prolapse

被引：2

作者：

Conti, Sergio ^{[1
,3
]}

Sabatino, Francesco ^{[1
]}

Caserta, Carlo ^{[2
]}

Sgarito, Giuseppe ^{[1
]}

机构：

[1] ARNAS Osped Civ Cristina Benfratelli, Dept Cardiol, Electrophysiol Dept, Palermo, Italy

[2] ARNAS Osped Civ Cristina Benfratelli, Dept Cardiol, Cardiovasc imaging Div, Palermo, Italy

[3] ARNAS Civ Hosp, Electrophysiol Dept, Cardiol, Piazza N Leotta 4, I-90127 Palermo, Italy

来源：

ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES | 2023年 / 40卷 / 03期

关键词：

catheter ablation; mitral annular disjunction; mitral valve prolapse; premature ventricular contractions; sudden cardiac death; ventricular fibrillation; ventricular tachycardia;

D O I：

10.1111/echo.15529

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Patients with mitral valve prolapse (MVP) have a heterogeneous clinical spectrum, ranging from benign to severe clinical presentations such as sudden cardiac death (SCD). Some of the markers of "arrhythmic MVP" include inverted/biphasic T-waves, QT prolongation, and polymorphic premature ventricular contractions (PVCs) originating from the left ventricular outflow tract and papillary muscles (PMs). The genesis of arrhythmias in MVP recognizes the combination of the substrate (fibrosis) and the trigger (mechanical stretch). Therefore, ablation of ventricular arrhythmias originating from PMs in a patient with MVP can be considered an adjunctive strategy to lower the arrhythmic burden and reduce the risk of ICD shocks.

引用

页码：271 / 275

页数：5

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