Document Detail


Dispersion of P wave duration and P wave vector in patients with atrial septal aneurysm.
MedLine Citation:
PMID:  17540665     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIMS: Atrial septal aneurysm (ASA) may be involved in the genesis of atrial arrhythmias as a consequence of disturbances in the propagation of depolarization, which may be easily assessed by P wave dispersion measurement. The aim of this study is to assess the dispersion of P wave duration and P wave vector in patients with ASA and to determine the effect of associated interatrial shunt on the magnitude of P wave dispersion. METHODS AND RESULTS: The study population consisted of 23 healthy volunteers and 88 patients with ASA base more than 15 mm and protrusion more than 7.5 mm. The size of aneurysms and atria was determined by echocardiography and P wave dispersion was measured on the surface ECG. In ASA patients, dispersion of P wave duration was significantly increased when compared with healthy controls (7.8 +/- 12.1 vs. 3.7 +/- 3.5 ms; P < 0.01). Dispersion of P wave vector was also significantly increased (8.5 +/- 10.1 degrees vs. 4.6 +/- 3.6 degrees ; P < 0.005). In healthy volunteers, the mean values of both parameters were below the cutoff points. CONCLUSION: In patients with ASA, there was a significant dispersion of P wave duration and P wave vector. Variation in P wave duration was significantly correlated with the dispersion of P wave vector and age of these patients. Dispersion of P wave vector was significantly decreased in ASA patients with interatrial shunt. P wave dispersion in ASA patients may predispose to the development of atrial arrhythmias.
Authors:
Marianna Janion; Jacek Kurzawski; Janusz Sielski; Katarzyna Ciuraszkiewicz; Marcin Sadowski; Edyta Radomska
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Publication Detail:
Type:  Journal Article     Date:  2007-05-30
Journal Detail:
Title:  Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology     Volume:  9     ISSN:  1099-5129     ISO Abbreviation:  Europace     Publication Date:  2007 Jul 
Date Detail:
Created Date:  2007-07-19     Completed Date:  2007-11-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883649     Medline TA:  Europace     Country:  England    
Other Details:
Languages:  eng     Pagination:  471-4     Citation Subset:  IM    
Affiliation:
Swietokrzyskie Centrum Kardiologii WSzZ, ul.Grunwaldzka 45, 25-736 Kielce, Poland. mjanion@interia.pl
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MeSH Terms
Descriptor/Qualifier:
Case-Control Studies
Echocardiography
Electrocardiography
Female
Heart Aneurysm / physiopathology*,  ultrasonography
Heart Conduction System / physiopathology*
Heart Septal Defects, Atrial / physiopathology*,  ultrasonography
Humans
Male
Middle Aged

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


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