Document Detail


Relationship between ambulatory arterial stiffness index and subclinical target organ damage in hypertensive patients.
MedLine Citation:
PMID:  20962781     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Increased arterial stiffness has been shown to predict cardiovascular risk in hypertensive patients. Our objective was to evaluate the relationship between the ambulatory arterial stiffness index (AASI) and subclinical organ damage (SOD). The design was a cross-sectional study. Subjects included 554 hypertensive patients with and without drug treatment (mean age 57±12 years, 60.6% men). The AASI was defined as 1 minus the regression slope of diastolic over systolic blood pressure (BP) readings obtained from 24-h recordings. Renal damage was evaluated on the basis of glomerular filtration rate (GFR) and microalbuminuria; vascular damage was measured by carotid intima-media thickness (IMT) and ankle/brachial index (ABI); and cardiac damage was evaluated on the basis of the Cornell voltage-duration product (VDP) and left ventricular mass index. The mean AASI was 0.38±0.07 (0.39±0.07 in treated patients and 0.37±0.06 in nontreated subjects). The AASI showed a positive correlation with IMT (r=0.417, P<0.001) and Cornell VDP (r=0.188, P<0.001), and a negative correlation with GFR (r=-0.205, P=0.001) and the ABI. The variables associated with the presence of SOD were AASI (odds ratio (OR)=3.89) and smoking (OR=1.55). The variables associated with IMT were smoking and waist circumference, whereas those associated with GFR were AASI, body mass index and waist circumference. In turn, smoking, total cholesterol and glycosylated hemoglobin A1c were associated with the ABI. Increased AASI implies a greater presence of SOD in primary hypertensive patients with or without BP-lowering drug treatment.
Authors:
Angel García-García; Manuel A Gómez-Marcos; José I Recio-Rodriguez; Luis J González-Elena; Javier Parra-Sanchez; M Fe Muñoz-Moreno; Carmen Patino Alonso; Francisco Gude; Luis García-Ortiz
Publication Detail:
Type:  Journal Article     Date:  2010-10-21
Journal Detail:
Title:  Hypertension research : official journal of the Japanese Society of Hypertension     Volume:  34     ISSN:  1348-4214     ISO Abbreviation:  Hypertens. Res.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-02-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9307690     Medline TA:  Hypertens Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  180-6     Citation Subset:  IM    
Affiliation:
Primary Care Research Unit, La Alamedilla Health Centre, Salamanca, Spain.
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