Document Detail

Predictive value of resting heart rate for cardiovascular and all-cause mortality.
MedLine Citation:
PMID:  21109916     Owner:  NLM     Status:  In-Process    
BACKGROUND: Resting heart rate (which ranges from 60 to 80 bpm) is one of the simplest cardiovascular parameters, and has been considered as a predictor of cardiovascular and all-cause mortality.
OBJECTIVE: To determine the predictive value of resting heart rate (RHR) before exercise stress testing (ET) for cardiovascular (CV) and all-cause mortality.
METHODS: This was a case-control study using data from the database of the Exercise Testing Laboratory of a cardiac hospital and the death records of the Health Department of a city located in the South of Brazil from January 1995 to June 2007. A total of 7,055 patients were studied; 1,645 (23.3%) in the case group (deceased) and 5,410 (76.7%) in the control group (alive). The cut-off value of RHR for mortality was derived from the ROC curve, and a multivariate analysis was performed for the selected variables. The study's outcome measures were cardiovascular and all-cause mortality.
RESULTS: Six hundred and seventy-four patients died of cardiovascular diseases (9.5%); the cut-off value was RHR ≥ 78 bpm). After adjusting for selected variables, the odds ratio (OR) of RHR ≥ 78 bpm was 3.5 (95% CI 2.9 to 4.2) for CV mortality and 3.6 (95% CI 3.2 to 4.0) for all-cause mortality.
CONCLUSION: Resting heart rate ≥ 78 is an independent predictor of cardiovascular and all-cause mortality.
Jaqueline Eilert Fagundes; Iran Castro
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Publication Detail:
Type:  Journal Article     Date:  2010-11-12
Journal Detail:
Title:  Arquivos brasileiros de cardiologia     Volume:  95     ISSN:  1678-4170     ISO Abbreviation:  Arq. Bras. Cardiol.     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2011-01-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0421031     Medline TA:  Arq Bras Cardiol     Country:  Brazil    
Other Details:
Languages:  eng; por; spa     Pagination:  713-9     Citation Subset:  IM    
Instituto de Cardiologia do Rio Grande do Sul/Fundação Universitária de Cardiologia, Porto Alegre, RS - Brazil.
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