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Angiology
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Detection of Cytomegalovirus in Atherosclerotic Plaques and Nonatherosclerotic Arteries

Evangelia Xenaki, MD

Laboratory of Clinical Virology, Faculty of Medicine, University of Crete

John Hassoulas, MD, PhD

Department of Cardiothoracic Surgery, University Hospital Heraklion, Crete, Greece

Stavros Apostolakis, MD, PhD

Laboratory of Clinical Virology, Faculty of Medicine, University of Crete

George Sourvinos, PhD

Laboratory of Clinical Virology, Faculty of Medicine, University of Crete

Demetrios A. Spandidos, PhD, DSc

Laboratory of Clinical Virology, Faculty of Medicine, University of Crete, spandidos{at}spandidos.gr

Several studies have reported an association between infectious agents and atherosclerosis. Cytomegalovirus (CMV) is the most commonly implicated viral pathogen. However, the role of CMV in atherosclerosis remains obscure. The present study evaluated the presence of CMV DNA in atherosclerotic plaques and normal vessel walls. A total of 40 arterial specimens from coronary plaques and 27 samples from normal vessels were obtained from 26 patients who underwent aortocoronary bypass surgery. The specimens were analyzed by polymerase chain reaction for the presence of the CMV immediate early genomic region. CMV DNA was detected in 9 out of 26 patients (34.6%). Viral DNA was detected in both nonatherosclerotic tissues and atherosclerotic plaques. No statistically significant differences were observed between normal and diseased vessels. Our findings, in accordance with previous studies, do not support a direct causative role of CMV in the development of atherosclerotic plaques.

Key Words: cytomegalovirus • atherosclerotic plaque • healthy vascular tissue • polymerase chain reaction

This version was published on August 1, 2009

Angiology, Vol. 60, No. 4, 504-508 (2009)
DOI: 10.1177/0003319708322390
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