Catheter Ablation in Arrhythmic Cardiac Diseases: Endocardial and Epicardial Ablation

Wen Han Cheng, Fa Po Chung*, Yenn Jiang Lin, Li Wei Lo, Shih Lin Chang, Yu Feng Hu, Ta Chuan Tuan, Tze Fan Chao, Jo Nan Liao, Chin Yu Lin, Ting Yung Chang, Ling Kuo, Cheng I. Wu, Chih Min Liu, Shin Huei Liu, Shih Ann Chen

*此作品的通信作者

研究成果: Review article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Arrhythmogenic cardiomyopathy (ACM) is a group of arrhythmogenic disorders of the myocardium that are not caused by ischemic, hypertensive, or valvular heart disease. The clinical manifestations of ACMs may overlap those of dilated cardiomyopathy, complicating the differential diagnosis. In several ACMs, ventricular tachycardia (VT) has been observed at an early stage, regardless of the severity of the disease. Therefore, preventing recurrences of VT can be a clinical challenge. There is a wide range of efficacy and side effects associated with the use of antiarrhythmic drugs (AADs) in the treatment of VT. In addition to AADs, patients with ACM and ventricular tachyarrhythmias may benefit from catheter ablation, especially if they are drug-refractory. The differences in pathogenesis between the various types of ACMs can lead to heterogeneous distributions of arrhythmogenic substrates, non-uniform ablation strategies, and distinct ablation outcomes. Ablation has been documented to be effective in eliminating ventricular tachyarrhythmias in arrhythmogenic right ventricular dysplasia (ARVC), sarcoidosis, Chagas cardiomyopathy, and Brugada syndrome (BrS). As an entity that is rare in nature, ablation for ventricular tachycardia in certain forms of ACM may only be reported through case reports, such as amyloidosis and left ventricular noncompaction. Several types of ACMs, including ARVC, sarcoidosis, Chagas cardiomyopathy, BrS, and left ventricular noncompaction, may exhibit diseased substrates within or adjacent to the epicardium that may be accountable for ventricular arrhythmogenesis. As a result, combining endocardial and epicardial ablation is of clinical importance for successful ablation. The purpose of this article is to provide a comprehensive overview of the substrate characteristics, ablation strategies, and ablation outcomes of various types of ACMs using endocardial and epicardial approaches.

原文English
文章編號324
期刊Reviews in Cardiovascular Medicine
23
發行號9
DOIs
出版狀態Published - 9月 2022

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