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Ablação por radiofreqüência da fibrilação atrial paroxística: fatores determinantes da eficácia clínica a longo-prazo
(Sociedade Brasileira de Cardiologia - SBC, 2008)
FUNDAMENTO: A maioria dos trabalhos tem descrito preditores de recorrência de fibrilação atrial após ablação por cateter, com tempos de seguimento relativamente curtos. OBJETIVO: Avaliar retrospectivamente, em longo prazo, ...
Acute and Chronic Effects of Epicardial Radiofrequency Applications Delivered on Epicardial Coronary Arteries
(LIPPINCOTT WILLIAMS & WILKINS, 2011)
Background-Epicardial coronary injury is by far the most feared complication of epicardial ablation. Little information is available regarding the chronic effects of delivering radiofrequency in the vicinity of large ...
Electrophysiological characteristics of the Marshall bundle in humans
(ELSEVIER SCIENCE INC, 2010)
BACKGROUND Marshall bundles (MBs) are the muscle bundles within the ligament of Marshall. OBJECTIVE This trial sought to the electrophysiological characteristics of the MB and the anatomical connections between MB and left ...
Characteristics and identification of sites of chagasic ventricular tachycardia by endocardial mapping
(Sociedade Brasileira de Cardiologia - SBC, 1999-04-01)
OBJECTIVE: To study electrophysiological characteristics that enable the identification and ablation of sites of chagasic tachycardia. METHODS: Thirty-one patients with chronic Chagas' heart disease and sustained ventricular ...
Ablação por cateter do flutter atrial. Caracterização eletrofisiológica da interrupção da condução pelos istmos posterior e septal
(Sociedade Brasileira de Cardiologia - SBC, 1998-07-01)
PURPOSE: Evaluate the different types of conduction blocks obtained between inferior vena cava-tricuspid annulus (posterior isthmus) and between tricuspid annulus-coronary sinus ostium (septal isthmus) after radiofrequency ...
Focal and linear endocardial and epicardial catheter-based cryoablation of normal and infarcted ventricular tissue
(WILEY-BLACKWELL, 2008)
Background: This study of a chronic porcine postinfarction model examined whether linear epicardial cryoablation was capable of creating large, homogenous lesions in regions of the myocardium including scarred ventricle. ...
Selective Vagal Denervation of the Sinus and Atrioventricular Nodes, Guided by Vagal Reflexes Induced by High Frequency Stimulation, to Treat Refractory Neurally Mediated Syncope
(WILEY-BLACKWELL PUBLISHING, INC, 2009)
Vagal Denervation and Neurally Mediated Syncope. A 15-year-old female patient presented with frequent episodes of vasovagal syncope refractory to non-pharmacological and pharmacological measures. Two tilt-table tests ...
Taquicardia atrial focal incesante como causa de cardiomiopatía. A propósito de un caso
(Seguro Social de Salud (EsSalud)PE, 2021-06-18)
La taquicardia atrial focal es un tipo de taquiarritmia supraventricular poco prevalente, generalmente presente en jóvenes, y constituye una causa rara de taquicardiomiopatía (10%). Presentamos un caso clínico de ...
Síndrome del nodo sinusal enfermo ¿marcapaso o ablación? Reporte de caso
(Seguro Social de Salud (EsSalud), 2023-12-02)
El síndrome taquicardia-bradicardia es la forma de presentación más frecuente del síndrome del nodo sinusal enfermo, y comúnmente se caracteriza por episodios de fibrilación auricular paroxística seguidos de pausas ...