Plasma level of asymmetric dimethylarginine (ADMA) as a predictor of carotid intima-media thickness progression: six-year prospective study using carotid ultrasonography
Abstract
This study was designed to determine the relationship between plasma asymmetric dimethylarginine (ADMA) and the development of carotid atherosclerosis. Cross-sectional studies have revealed that plasma ADMA concentration is correlated with the intima-media thickness (IMT) of the carotid artery, but no prospective studies have appeared. Therefore we prospectively investigated whether or not plasma ADMA level can predict IMT progression. In a community-based cohort, we enrolled 712 subjects who were over 40 years old and who had no apparent cardiovascular diseases according to high-resolution carotid ultrasonography. Blood chemistries including ADMA were measured at baseline. In 575 subjects, IMT was re-measured 6 years later. The value of baseline ADMA for predicting IMT changes was investigated by multivariable analysis. At baseline, there was a significant (beta=0.321; p<0.001) relationship between IMT and ADMA levels. Multiple linear regression analysis revealed that baseline ADMA (beta=0.241; p<0.01) was the only predictor of IMT progression after adjustments for age, sex, baseline IMT, and four major risk factors (hypertension, hypercholesterolemia, diabetes mellitus, and smoking) plus hyperuricacidemia. Plasma ADMA was a p...Continue Reading
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Influence of dietary fat ingestion on asymmetrical dimethylarginine in lean and obese human subjects
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