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Self-measured (blood pressure) arterial stiffness index: A promising new measure of arterial stiffness.
MedLine Citation:
PMID:  20409865     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Increased arterial stiffness is predictive of increased cardiovascular risk. The ambulatory arterial stiffness index is a new measure derived from 24-hour ambulatory blood pressure (BP) monitoring. We retrospectively studied 59 consecutive patients, (36 females; age 62 +/- 12 years), evaluated for hypertension in an academic cardiology practice. All had eight or more self-measured BP recorded over a period of 2 through 8 weeks while stable. The self-measured arterial stiffness index (SMASI) was calculated according to the same formula as the ambulatory arterial stiffness index, 1 minus the regression slope of the regression line of diastolic plotted against systolic BP. Mean SMASI was 62 +/- 0.20. SMASI correlated directly with age (r = 0.27; P = .03), BP load (r = 0.40; P = .002), home pulse pressure (r = 0.47; P < .001), and office pulse pressure (r = 0.44; P = .001). SMASI was higher in patients with multiple cardiovascular risk factors and correlated with pulse wave velocity (r = 0.45; P = .04) among 21 patients who underwent arterial tonometry. SMASI correlated with left ventricle (LV) mass/body surface area (BSA) (r = 0.30; P = .035) in 50 patients. SMASI increases with age, is associated with weaker BP control, hypertensive organ damage and correlates with pulse wave velocity. SMASI obtained by self-measured BP may serve as a useful surrogate measure of arterial stiffness.
Authors:
Ghazanfar Qureshi; Jason M Lazar; Hera Javaid; Michael Weber; Louis Salciccioli
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Society of Hypertension : JASH     Volume:  1     ISSN:  1933-1711     ISO Abbreviation:  J Am Soc Hypertens     Publication Date:    2007 Sep-Oct
Date Detail:
Created Date:  2010-04-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101312518     Medline TA:  J Am Soc Hypertens     Country:  United States    
Other Details:
Languages:  eng     Pagination:  347-52     Citation Subset:  -    
Affiliation:
Division of Cardiovascular Medicine, State University of New York Downstate Medical Center, Brooklyn, New York, USA.
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