Document Detail

Differences in echocardiographic indices between patients with partial and advanced interatrial conduction delay.
MedLine Citation:
PMID:  18256557     Owner:  NLM     Status:  MEDLINE    
Partial interatrial block (IAB) (P wave > or =110 ms) is a marker of left atrial abnormality. A similar association among patients with advanced IAB (biphasic P waves > or =110 ms in leads II, III, and aVF) is unknown. The authors screened 27 consecutive patients for advanced IAB with transthoracic echocardiograms (TTEs). Of those, 19 who had repeat TTEs after 2 years formed our study cohort. The authors used 44 consecutive controls with partial IAB who had been similarly screened and had follow-up TTEs 2 years apart. TTE parameters were comparable at baseline between groups but were expectedly different on follow-up. When change (delta value) in these indices was compared, however, only left atrial dimension remained significant (advanced 0.07+/-0.06 mm vs partial IAB 0.03+/-0.06 mm; P=.03). Further study over a longer duration is warranted to ascertain if advanced IAB patients would benefit from follow-up noninvasive cardiac imaging for appropriate risk stratification.
Vignendra Ariyarajah; Jaxon Fernandes; Sirin Apiyasawat; David H Spodick
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American heart hospital journal     Volume:  6     ISSN:  1541-9215     ISO Abbreviation:  Am Heart Hosp J     Publication Date:  2008  
Date Detail:
Created Date:  2008-02-07     Completed Date:  2008-03-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101156064     Medline TA:  Am Heart Hosp J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  42-7     Citation Subset:  IM    
Department of Medicine, Division of Cardiology, St Boniface General Hospital/University of Manitoba, Winnipeg, Manitoba, Canada.
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MeSH Terms
Aged, 80 and over
Atrial Fibrillation
Atrial Function, Left
Heart Conduction System / physiopathology*
Medical Audit

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