| Predictive value of resting heart rate for cardiovascular and all-cause mortality. | |
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MedLine Citation:
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PMID: 21109916 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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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. |
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Authors:
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Jaqueline Eilert Fagundes; Iran Castro |
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Publication Detail:
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Type: Journal Article Date: 2010-11-12 |
Journal Detail:
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Title: Arquivos brasileiros de cardiologia Volume: 95 ISSN: 1678-4170 ISO Abbreviation: Arq. Bras. Cardiol. Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2011-01-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0421031 Medline TA: Arq Bras Cardiol Country: Brazil |
Other Details:
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Languages: eng; por; spa Pagination: 713-9 Citation Subset: IM |
Affiliation:
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Instituto de Cardiologia do Rio Grande do Sul/Fundação Universitária de Cardiologia, Porto Alegre, RS - Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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