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      Carotid Artery Atherosclerotic Disease Assessed by Flow Velocity Wave Form Analysis in Hemodialyzed Normotensive and Hypertensive Patients

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          Abstract

          Cerebrovascular accidents, often secondary to severe atherosclerotic disease, are very common in uremic patients on long-term hemodialysis. The aim of the present study is to assess asymptomatic carotid artery atherosclerotic disease (CAAD) in hemodialyzed normotensive and hypertensive patients in comparison with age-matched controls, by the use of Doppler ultrasound flow velocity wave form analysis (FVWFA), recorded from the common carotid artery. This study was performed on 47 subjects divided into four groups: 10 young and 10 middle-aged normals were considered in groups I and II, respectively, 5 young uremic normotensive, 6 young uremic hypertensive and 16 middle-aged uremic normotensive patients in groups III, IV and V, respectively. All the examined patients were nonsmokers, without diabetes or cardiopathy. The five wave form dimensions most capable of separating different degrees of atherosclerotic disease were determined on every common carotid tracing and used in a single best fit discriminant equation; the resultant discriminant score (DS) classified each carotid tracing and consequently every group’s range. DS of groups I and III were not different, but significantly higher compared to the other three groups; besides DS was statistically not different in groups II, IV and V. In conclusion, FVWFA did not detect a different degree of CAAD between normotensive dialyzed patients and age-matched normals, whereas the blood pressure pharmacological control did not affect the velocity findings of advanced CAAD in young uremic hypertensive patients.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1986
          1986
          05 December 2008
          : 44
          : 3
          : 180-185
          Affiliations
          Division of Internal Medicine, Ospedale San Miniato, Pisa, Italy
          Article
          183982 Nephron 1986;44:180–185
          10.1159/000183982
          3537816
          © 1986 S. Karger AG, Basel

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          Page count
          Pages: 6
          Categories
          Original Paper

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