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Titolo:
Catheter ablation of idiopathic left ventricular tachycardia with multiplebreakthrough sites guided by an electroanatomical mapping system
Autore:
Yano, K; Keida, T; Suzuki, K; Sasano, T; Hiejima, K; Okishige, K;
Indirizzi:
Yokohama Red Cross Hosp, Cardiovasc Dept, Cardiac Electrophysiol Lab, NakaKu, Yokohama, Kanagawa, Japan Yokohama Red Cross Hosp Yokohama Kanagawa Japan okohama, Kanagawa, Japan Tokyo Med & Dent Univ, Sch Allied Hlth Sci, Tokyo, Japan Tokyo Med & Dent Univ Tokyo Japan iv, Sch Allied Hlth Sci, Tokyo, Japan
Titolo Testata:
JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY
fascicolo: 2, volume: 5, anno: 2001,
pagine: 211 - 214
SICI:
1383-875X(2001)5:2<211:CAOILV>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
SLOW CONDUCTION; VERAPAMIL;
Keywords:
idiopathic left ventricular tachycardia; electroanatomical mapping; radiofrequency ablation; Purkinje potential; breakthrough point to myocardium;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Okishige, K Yokohama Red Cross Hosp, Cardiovasc Dept, Cardiac Electrophysiol Lab, NakaKu, 2-85 Negishi Cho, Yokohama, Kanagawa, Japan Yokohama Red Cross Hosp 2-85 Negishi Cho Yokohama Kanagawa Japan
Citazione:
K. Yano et al., "Catheter ablation of idiopathic left ventricular tachycardia with multiplebreakthrough sites guided by an electroanatomical mapping system", J INTERV C, 5(2), 2001, pp. 211-214

Abstract

Idiopathic ventricular tachycardia (VT) has been considered to be amenableto radiofrequency catheter ablation guided by Purkinje potentials. However, there appear to be various types of reentrant circuits associated with this VT deduced from the results of the successful radiofrequency catheter ablation cases. We describe in this report a patient with idiopathic left ventricular tachycardia which was electrically inducible and verapamil sensitive. Multiple earliest ventricular activation sites during tachycardia were detected with electroanatomical mapping using the CARTO system. Multiple applications at these sites failed to eliminate the VT. The earliest Purkinjepotential was recorded at least 1.5 cm away from the earliest ventricular activation sites, and the radiofrequency current application at this site resulted in the complete abolition of this VT. The reentrant circuit of thistachycardia seemed to have multiple breakthrough sites to the ventricular myocardium, which were distant from the requisite part of the reentrant circuit of this VT involving the Purkinje fiber network conduction system.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 06:51:13