Document Detail


Relationship between arterial elasticity indices and carotid artery intima-media thickness.
MedLine Citation:
PMID:  11078184     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Functional and structural changes of the arterial wall appear to serve as early hallmarks of the hypertensive disease process. Structural vascular changes can be studied by the determination of the intima-media wall thickness (IMT) at the carotid artery. The elastic behavior of the proximal and distal parts of the arterial tree can be assessed from noninvasively recorded radial artery waveforms. The aim of the study was to compare large (proximal, C1) and small (distal, C2) artery elasticity indices in two age-matched study groups with high- and low-normal blood pressure (BP) and to assess the relation between elasticity indices and IMT. A total number of 22 subjects with high-normal BP (40 +/- 2 years; BP, 147 +/- 2.5/84 +/- 1.5 mm Hg) and 22 matched controls with low-normal BP (40 +/- 2 years; BP, 123 +/- 1.9/69 +/- 1.5 mm Hg) were enrolled. The IMT was echographically determined at the common carotid artery by the leading-edge technique. Large artery (C1) and small artery (C2) elasticity indices were calculated from a third-order, four-element model of the arterial circulation. In the group with high-normal BP large and small artery elasticity indices were significantly decreased versus controls with low-normal BP (C1: 1.63 +/- 0.08 v 1.99 +/- 0.09 mL/mm Hg, P < .01; C2: 0.059 +/- 0.005 v 0.076 +/- 0.007 mL/ mm Hg, P < .05) and IMT increased significantly (0.607 +/- 0.039 v 0.516 +/- 0.027 mm, P < .05). Moreover, there was an inverse relationship between IMT and small artery elasticity index (r = -0.60, P = .004). In subjects with a high-normal BP there is already a change in the IMT of the carotid artery versus normotension. The IMT is related to the small artery elasticity index (C2).
Authors:
D A Duprez; M L De Buyzere; T L De Backer; N Van De Veire; D L Clement; J N Cohn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of hypertension     Volume:  13     ISSN:  0895-7061     ISO Abbreviation:  Am. J. Hypertens.     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2000-11-28     Completed Date:  2001-06-07     Revised Date:  2009-02-24    
Medline Journal Info:
Nlm Unique ID:  8803676     Medline TA:  Am J Hypertens     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1226-32     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Ghent University Hospital, Belgium. daniel.duprez@rug.ac.be
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MeSH Terms
Descriptor/Qualifier:
Adult
Arteries / physiology*
Blood Pressure / physiology
Carotid Arteries / pathology*
Elasticity
Humans
Male
Middle Aged
Tunica Intima / pathology*
Tunica Media / pathology*

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


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