作者
Jarieke C Hoogendoorn, Marek Sramko, Jeroen Venlet, Konstantinos C Siontis, Saurabh Kumar, Robin Singh, Ikutaro Nakajima, Sebastiaan RD Piers, Marta de Riva Silva, Claire A Glashan, Thomas Crawford, Usha B Tedrow, William G Stevenson, Frank Bogun, Katja Zeppenfeld
发表日期
2020/6/1
期刊
Clinical Electrophysiology
卷号
6
期号
6
页码范围
696-707
出版商
American College of Cardiology Foundation
简介
Objectives
This study sought to investigate the value of electroanatomical voltage mapping (EAVM) to distinguish cardiac sarcoidosis (CS) from arrhythmogenic right ventricular cardiomyopathy (ARVC) in patients with ventricular tachycardia from the right ventricle (RV).
Background
CS can mimic ARVC. Because scar in ARVC is predominantly subepicardial, this study hypothesized that the relative sizes of endocardial low bipolar voltage (BV) to low unipolar voltage (UV) areas may distinguish CS from ARVC.
Methods
Patients with CS affecting the RV (n = 14), patients with gene-positive ARVC (n = 13), and a reference group of patients without structural heart disease (n = 9) who underwent RV endocardial EAVM were included. RV region-specific BV and UV cutoffs were derived from control subjects. In CS and ARVC, segmental involvement was determined and low-voltage areas were measured, using <1.5 mV …
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JC Hoogendoorn, M Sramko, J Venlet, KC Siontis… - Clinical Electrophysiology, 2020