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Age dependency of central and peripheral systolic blood pressures: Cross-sectional and longitudinal observations in European populations.
MedLine Citation:
PMID:  21736449     Owner:  NLM     Status:  Publisher    
Abstract Background. As arteries become stiffer with ageing, reflected waves move faster and augment late systolic pressure. We investigated the age dependency of peripheral and central systolic pressure, pressure amplification (peripheral systolic blood pressure - central systolic blood pressure), and peripheral and central systolic augmentation (maximal systolic pressure minus the first peak of the pressure wave). Methods. We randomly recruited 1420 White Europeans (mean age, 41.7 years). peripheral systolic blood pressure and central systolic blood pressure were measured by means of an oscillometric sphygmomanometer and pulse wave analysis, respectively. Results. In cross-sectional analyses (731 women, 689 men), central systolic blood pressure and central systolic augmentation increased more with age than peripheral systolic blood pressure and peripheral systolic augmentation. These age-related increases were greater in women than men. The age-related decrease in pressure amplification was similar in both sexes. In longitudinal analyses (208 women, 190 men), the annual increases in central systolic blood pressure and central systolic augmentation were steeper (p < 0.001) than those in peripheral systolic blood pressure and peripheral systolic augmentation with no sex differences (p ≥ 0.068), except for peripheral systolic augmentation, which was larger in women (p = 0.002). Longitudinally, pressure amplification decreased more with age in women than men (p = 0.012). In multivariable-adjusted analyses, age was the overriding determinant of peripheral systolic blood pressure and central systolic blood pressure. Conclusion. With ageing, peripheral systolic blood pressure approximates to central systolic blood pressure. This might explain why in older subjects peripheral systolic blood pressure becomes the main predictor of cardiovascular complications.
Wiktoria Wojciechowska; Katarzyna Stolarz-Skrzypek; Valérie Tikhonoff; Tom Richart; Jitka Seidlerová; Marcin Cwynar; Lutgarde Thijs; Yan Li; Tatiana Kuznetsova; Jan Filipovský; Edoardo Casiglia; Tomasz Grodzicki; Kalina Kawecka-Jaszcz; Michael O'Rourke; Jan A Staessen;
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-7
Journal Detail:
Title:  Blood pressure     Volume:  -     ISSN:  1651-1999     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9301454     Medline TA:  Blood Press     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
The First Department of Cardiology and Hypertension, Jagiellonian University Medical College , Kraków , Poland.
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