Contact-force monitoring increases accuracy of right ventricular voltage mapping avoiding 'false scar' detection in patients with no evidence of structural heart disease

Autor: Luigi Sciarra, Zefferino Palamà, Martina Nesti, Chiara Lanzillo, Mauro Di Roma, Ermenegildo De Ruvo, Antonio Gianluca Robles, Elena Cavarretta, Antonio Scarà, Lucia De Luca, Domenico Grieco, Mariano Rillo, Silvio Romano, Renata Petroni, Maria Penco, Leonardo Calò
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Indian Pacing and Electrophysiology Journal, Vol 20, Iss 6, Pp 243-249 (2020)
Druh dokumentu: article
ISSN: 0972-6292
DOI: 10.1016/j.ipej.2020.07.004
Popis: Purpose: Electroanatomical mapping (EAM) could increase cardiac magnetic resonance imaging (CMR) sensitivity in detecting ventricular scar. Possible bias may be scar over-estimation due to inadequate tissue contact. Aim of the study is to evaluate contact-force monitoring influence during EAM, in patients with idiopathic right ventricular arrhythmias. Methods: 20 pts (13 M; 43 ± 12 y) with idiopathic right ventricular outflow tract (RVOT) arrhythmias and no structural abnormalities were submitted to Smarttouch catheter Carto3 EAM. Native maps included points collected without considering contact-force. EAM scar was defined as area ≥1 cm2 including at least 3 adjacent points with signal amplitude (bipolar
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