The Role of Endothelial Cell Function Assessment Using Flow-mediated Dilatation in Diagnosis of Coronary Artery Disease among Low-risk Patients
PurposeFlow-mediated dilatation (FMD) measurement in brachial artery (BA) is a method of assessing endothelial cell function and predicting atherosclerotic coronary artery disease. We investigated the predictive value of FMD for the presence of coronary artery disease (CAD) in a low-risk group of patients.
Materials And MethodsA prospective study was performed in 397 patients (mean age 53.2±9 years including 194 men) with chest pain who were admitted for coronary angiography. FMD was measured in the BA before coronary angiography using two-D high-resolution ultrasound. SPSS V.17 was used for data analysis.
ResultsCoronary angiography was normal in 151 patients but single vessel coronary artery disease (SVD) and multi-vessel coronary artery disease (MVD) were found in149 and 97, respectively. FMD was significantly higher in individuals with normal coronary arteries compared to those with coronary artery disease (11.1±2.5% vs. 6.8±3.1%; P
ConclusionEndothelial cell produces nitric oxide (NO) which plays a major role in vascular physiology. Measurement of NO is not possible, therefore, endothelial cell function is measured indirectly using FMD. According to this study FMD is suggested as an acceptable diagnostic tool to predict arteriosclerosis in low risk patients particularly when screening is conducted among this population.
Journal of Mazandaran University of Medical Sciences, Volume:25 Issue:133, 2016
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