Document Detail


Atrial arrhythmias in adult patients with right- versus left-sided congenital heart disease anomalies.
MedLine Citation:
PMID:  20691314     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Atrial arrhythmias (AAs) are a common complication in adult patients with congenital heart disease. We sought to compare the lifetime prevalence of AAs in patients with right- versus left-sided congenital cardiac lesions and their effect on the prognosis. A congenital heart disease diagnosis was assigned using the International Disease Classification, Ninth Revision, diagnostic codes in the administrative databases of Quebec, from 1983 to 2005. Patients with AAs were those diagnosed with an International Disease Classification, Ninth Revision, code for atrial fibrillation or intra-atrial reentry tachycardia. To ensure that the diagnosis of AA was new, a washout period of 5 years after entry into the database was used, a period during which the patient could not have received an International Disease Classification, Ninth Revision, code for AA. The cumulative lifetime risk of AA was estimated using the Practical Incidence Estimators method. The hazard ratios (HRs) for mortality, morbidity, and cardiac interventions were compared between those with right- and left-sided lesions after adjustment for age, gender, disease severity, and cardiac risk factors. In a population of 71,467 patients, 7,756 adults developed AAs (isolated right-sided, 2,229; isolated left-sided, 1,725). The lifetime risk of developing AAs was significantly greater in patients with right- sided than in patients with left-sided lesions (61.0% vs 55.4%, p <0.001). The HR for mortality and the development of stroke or heart failure was similar in both groups (HR 0.96, 95% confidence interval [CI] 0.86 to 1.09; HR 0.94, 95% CI 0.80 to 1.09; and HR 1.10, 95% CI 0.98 to 1.23, respectively). However, the rates of cardiac catheterization (HR 0.63, 95% CI 0.55 to 0.72), cardiac surgery (HR 0.40, 95% CI 0.36 to 0.45), and arrhythmia surgery (HR 0.77, 95% CI 0.6 to 0.98) were significantly less for patients with right-sided lesions. In conclusion, patients with right-sided lesions had a greater lifetime burden of AAs. However, their morbidity and mortality were no less than those with left-sided lesions, although the rate of intervention was substantially different.
Authors:
Martin Bernier; Ariane J Marelli; Louise Pilote; Judith Bouchardy; Natalie Bottega; Giuseppe Martucci; Judith Therrien
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of cardiology     Volume:  106     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-09     Completed Date:  2010-09-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  547-51     Citation Subset:  AIM; IM    
Affiliation:
McGill University Health Centre, Montreal, Quebec, Canada.
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MeSH Terms
Descriptor/Qualifier:
Aged
Atrial Fibrillation / epidemiology*,  etiology
Female
Heart Atria
Heart Defects, Congenital / complications*
Humans
Male
Middle Aged
Prevalence
Prognosis
Quebec / epidemiology
Tachycardia, Supraventricular / epidemiology*,  etiology

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


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