| Can simple Doppler measurements estimate interatrial conduction time? | |
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MedLine Citation:
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PMID: 12687861 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Prolongation of the interatrial conduction time (ia-CT) is considered an important factor in the pathophysiology of atrial fibrillation (AF) and as a criterion to perform multisite atrial pacing. Measurement of ia-CT requires an electrophysiologic study. The aim of this study was to compare echocardiographic with electrophysiologic measurements to determine if they are correlated. METHODS AND RESULTS: The study included 32 consecutive patients who underwent electrophysiologic studies. We measured ia-CT between the high right atrium and the distal coronary sinus. In all patients we measured P wave duration, left atrial diameter and area, and ia-CT by Doppler echocardiography was measured as the difference in time intervals between the QRS onset and the tricuspid A wave, and the QRS onset and the mitral A wave (DT). Ia-CT was statistically correlated with DT (r = 0.79, P < 0.0001), but not with P wave duration or left atrial dimensions. CONCLUSIONS: Measurement DT may be reliable to estimate ia-CT without invasive procedure. Accordingly, DT could be used as a simple selection criterion when considering patients for atrial resynchronization therapy. |
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Authors:
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Dragos Cozma; Jerome Kalifa; Sorin Pescariu; Daniel Lighezan; Marcel Stiubei; Constantin Tudor Luca; Jean-Claude Deharo; Pierre Djiane; Stefan-Iosif Dragulescu |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Pacing and clinical electrophysiology : PACE Volume: 26 ISSN: 0147-8389 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 2003 Jan |
Date Detail:
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Created Date: 2003-04-11 Completed Date: 2003-07-03 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: United States |
Other Details:
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Languages: eng Pagination: 436-9 Citation Subset: IM |
Affiliation:
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Institute of Cardiovascular Medicine, Str. Gheorghe Adam nr. 13a, Timisoara, Romania. dragoscozmafr@yahoo.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Atrial Fibrillation
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physiopathology*,
ultrasonography Cardiac Pacing, Artificial Echocardiography, Doppler* Electrocardiography Electrophysiologic Techniques, Cardiac Female Heart Atria / innervation* Heart Conduction System / physiopathology* Humans Male Middle Aged |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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