Document Detail


Relation of atrial and/or ventricular premature complexes on a two-minute rhythm strip to the risk of sudden cardiac death (the Atherosclerosis Risk in Communities [ARIC] study).
MedLine Citation:
PMID:  21211594     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Ventricular premature complexes (VPCs) and atrial premature complexes (APCs) are common findings on routinely obtained electrocardiograms. Despite their common occurrence, the significance of these irregular beats is unclear, especially with regard to risk of sudden cardiac death (SCD). In this study, we examined the prospective relation between baseline VPCs or APCs and SCD, myocardial infarction, and fatal coronary heart disease (CHD) in a population-based sample of subjects from the Atherosclerosis Risk in Communities (ARIC) study excluding participants with known history of CHD or stroke. Baseline examination was conducted from 1987 to 1989, with follow-up data regarding clinical cardiac events collected until December 2002. The total study population was 14,574 subjects. Kaplan-Meier curves and computed univariate and multivariate Cox proportional hazard models were employed to estimate the effect of VPC and APC occurrences on incident cardiac events. During the follow-up period, there were 130 incident cases of SCD, 1,657 incident cases of CHD cases, and 288 cases of fatal CHD. Participants with VPC were 2 times as likely to have SCD (hazard ratio [HR] 2.09, 95% confidence interval [CI] 1.22 to 3.56) compared to those without VPC. Presence of APC was not significantly associated with SCD (HR 1.15, 95% CI 0.56 to 2.39). Compared to subjects without VPC and APC, risk of SCD in subjects with VPC and APC was significantly increased (HR 6.39, 95% CI 2.58 to 15.84). In conclusion, our study shows that subjects with VPCs are significantly more likely to die from SCD, despite not having any known history of cardiovascular disease. This effect appears to be additive when APCs occur concurrently.
Authors:
Pramil Cheriyath; Fan He; Ian Peters; Xian Li; Peter Alagona; Chuntao Wu; Min Pu; Wayne E Cascio; Duanping Liao
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  107     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  151-5     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Affiliation:
Department of Internal Medicine, Harrisburg Hospital, Pennsylvania, USA. drpramil@gmail.com
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