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      Creatinine clearance, pulse wave velocity, carotid compliance and essential hypertension.

      Kidney International

      Risk Factors, Adult, physiopathology, Radial Artery, Pulsatile Flow, Middle Aged, Male, etiology, Kidney Failure, Chronic, Kidney, complications, blood, Hypertension, Humans, Female, Creatinine, Carotid Arteries, Cardiovascular Diseases, Blood Flow Velocity, Aorta, Aged, 80 and over, Aged

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          Abstract

          The vascular hallmark of subjects with end-stage renal disease is increased arterial stiffness independent of blood pressure, wall stress, and cardiovascular risk factors such as hypertension, plasma glucose and cholesterol, obesity, and tobacco consumption. Whether arterial stiffness and kidney function are statistically associated in subjects with plasma creatinine < or =130 micromol/L has not yet been determined. Material. In 1290 subjects with normal or elevated blood pressure values and plasma creatinine < or =130 micromol/L, subjects were divided into three tertiles according to the calculated creatinine clearance. Blood pressure, aortic pulse wave velocity (PWV), and standard cardiovascular risk factors were determined in parallel. In 112 of the hypertensive subjects, common carotid and radial artery structure and function (high-resolution echo-Doppler techniques) also were measured. From the 1290 subjects, only the low-tertile group presented a significant negative association between PWV and creatinine clearance independently of blood pressure and standard risk factors. This association was stronger in subjects < or =55 years of age. In the 112 hypertensive subjects, carotid compliance was positively correlated to creatinine clearance even after an adjustment for age, gender, and blood pressure. At less than 55 years of age, creatinine clearance represented 20% of the variance of carotid compliance. Such findings were not observed for radial artery compliance. Increased stiffness of central arteries is statistically associated with reduced creatinine clearance in subjects with mild-to-moderate renal insufficiency, indicating that kidney alterations may interact not only with small but also large arteries, and this is independent of age, blood pressure, and standard risk factors.

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          Journal
          10.1046/j.1523-1755.2001.0590051834.x
          11318954

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