Document Detail


Relation between spontaneous atrial fibrillation and atrial vulnerability in patients with Wolff-Parkinson-White pattern.
MedLine Citation:
PMID:  1701539     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An intracavitary electrophysiological study was carried out on 103 patients with Wolff-Parkinson-White (WPW), 23 symptomatic patients had documented episodes of atrial fibrillation, 54 symptomatic patients had atrioventricular reentrant tachycardias, and 26 asymptomatic. Patients were examined for the relation between spontaneous atrial fibrillation and atrial vulnerability, defined as the possibility to induce sustained (greater than 1 minute) episodes of atrial fibrillation with a stimulation protocol excluding atrial bursts. Atrail fibrillation induction was attempted by single and double atrial extrastimuli during pacing at two different cycle lengths and incremental atrial pacing. Sustained atrail fibrillation was induced in 65% of the patients with spontaneous atrial fibrillation, and in 13% of the symptomatic patients with documented episodes of atrioventricular reentrant tachycardias and in 15% of the asymptomatic patients (P less than 0.0005). Atrial vulnerability was higher in patients with spontaneous atrial fibrillation than in patients without this arrhythmia. No significant difference was observed between symptomatic without atrial fibrillation and asymptomatic patients.
Authors:
F Gaita; C Giustetto; R Riccardi; A Mazza; L Mangiardi; E Rosettani; A Brusca
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  13     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  1990 Oct 
Date Detail:
Created Date:  1991-01-24     Completed Date:  1991-01-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1249-53     Citation Subset:  IM    
Affiliation:
Istituto di Medicina e Chirurgia Cardiovascolare, Università di Torino, Italy.
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MeSH Terms
Descriptor/Qualifier:
Adult
Atrial Fibrillation / complications*,  physiopathology
Atrial Function / physiology*
Cardiac Pacing, Artificial*
Electrophysiology
Female
Heart Conduction System / physiopathology*
Humans
Longitudinal Studies
Male
Prospective Studies
Wolff-Parkinson-White Syndrome / complications*,  physiopathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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