Document Detail

Influence of sex on the relation between heart rate and aortic stiffness.
MedLine Citation:
PMID:  12640249     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Heart rate and aortic pulse wave velocity (PWV) are both cardiovascular risk factors. The aim of this study was to evaluate the influence of sex on the heart rate-PWV relationship in two populations of normotensive and hypertensive men and women. PATIENTS AND METHODS: In a first study, steady-state data describing the heart rate-PWV relationship were determined in 558 normotensive men, 308 normotensive women, 323 hypertensive men and 93 hypertensive women. In a second study, the changes in blood pressure and PWV under atrial pacing at 60, 80 and 100 beats/min were investigated in 15 men and 15 women who were either normotensive or hypertensive. RESULTS: In women in study 1, 26.8% of PWV variance in normotensive patients and 15.4% of PWV variance in hypertensive patients was explained by a multiple regression including only age and systolic blood pressure as covariates. In men in study 1, 27% of PWV variance in normotensive patients and 28.5% of PWV variance in hypertensive patients was explained by a multiple regression including age, systolic blood pressure, weight, and also heart rate, as covariates. In study 2, atrial pacing in the overall population tended to decrease mean blood pressure (P = 0.05) and increase pulse pressure (P = 0.003), with no substantial change in PWV. However, when heart rate increased, PWV tended to decrease in women and to increase in men (interaction: P = 0.07).CONCLUSION Accelerated heart rate influences PWV in both normotensive and hypertensive men and, through this mechanism, could influence cardiovascular risk. However, heart rate does not influence PWV in women.
Pierre Albaladejo; Pierre Laurent; Bruno Pannier; Apostolos Achimastos; Michel Safar; Athanase Benetos
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hypertension     Volume:  21     ISSN:  0263-6352     ISO Abbreviation:  J. Hypertens.     Publication Date:  2003 Mar 
Date Detail:
Created Date:  2003-03-17     Completed Date:  2003-12-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  England    
Other Details:
Languages:  eng     Pagination:  555-62     Citation Subset:  IM    
Hôpital Beaujon, Clichy, France.
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MeSH Terms
Aged, 80 and over
Aorta / physiology
Arteries / physiology*
Cardiovascular Diseases / etiology
Heart Rate / physiology*
Hypertension / physiopathology
Middle Aged
Risk Factors
Sex Characteristics
Comment In:
J Hypertens. 2003 Mar;21(3):487-90   [PMID:  12640237 ]

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

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