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Vascular Medicine, Vol. 10, No. 3, 185-190 (2005)
DOI: 10.1191/1358863x05vm620oa

Relationship of sonographic wall components of the brachial artery to hypertension and coronary atherosclerosis

Matthias Frick

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Hannes F Alber

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Alexander Rinner

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Alois Suessenbacher

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Hanno Ulmer

Institute for Biostatistics, Innsbruck Medical University, Innsbruck, Austria

Severin P Schwarzacher

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Otmar Pachinger

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria

Franz Weidinger

Clinical Division of Cardiology, Innsbruck Medical University, Innsbruck, Austria, F.Weidinger{at}uibk.ac.at

The aim of this study was to determine whether sonographically assessed intimal (echodense, ED) or medial (echolucent, EL) thickening of the brachial artery is associated with coronary artery disease (CAD) and/or arterial hypertension (HT). In 201 patients the ED and EL wall components, as well as the total wall thickness of the brachial artery, were measured with high-resolution ultrasound (13 MHz). According to the presence or absence of CAD and HT, the patients were divided into four groups: no HT and no CAD (n = 26, group 1), CAD (≥30% diameter stenosis in ≥1 major branch) only (n = 63, group 2), HT only (n = 34, group 3), and HT and CAD (n = 78, group 4). EL (p < 0.001) and combined wall thickness (p < 0.001), but not the ED wall component, were significantly different between the groups, with the highest values occurring in group 4. On logistic regression analyses adjusting for age, coronary risk factors and body mass index, EL, but not ED, thickness correlated independently with the presence of CAD (p = 0.04) and HT (p < 0.001). High-resolution ultrasound examination of the brachial artery wall structure may contribute to the noninvasive assessment of early atherosclerosis.

Key Words: atherosclerosis • brachial artery • coronary artery disease • hypertension • medial thickness • ultrasound


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