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Coronary artery ectasia: remains a clinical dilemma

Boles, Usama; Eriksson, Peter; Zhao, Ying; Henein, Michael Y.

Coronary Artery Disease:
doi: 10.1097/MCA.0b013e32833b20da
Perspective
Abstract

Coronary artery ectasia (CAE) is defined as localized coronary dilatation that exceeds the diameter of normal adjacent segments or the diameter of the patient's largest coronary vessel by 1.5 times. The incidence of CAE varies from 1.5 to 5% in most literature; however, it was reported as high as 10% in some nations. Although, the pathogenesis of CAE is not fully understood, atherosclerosis remains the main association with CAE, in the western world. Kawasaki disease is another common cause of acquired heart disease in children, causing CAE. Kawasaki disease prevalence is overstated by its geographical distribution. Current modalities of investigation looked at the anatomical distribution of the disease and its possible ischemic effects. Biomarkers were studied in depth to explain the active nature of CAE; however, the common association with atherosclerosis weakens its significance. Here we reviewed CAE, its prevalence, relationship to other systemic anomalies in the vascular bed, pathogenesis and diagnostic tools currently in use.

Author Information

Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

Correspondence to Dr Michael Y. Henein, Department of Public Health and Clinical Medicine, Umeå University and Heart Centre, Umeå, Sweden

Tel: +46 907850000; fax: +46 90137633;

e-mail: Michael.henein@medicin.umu.se

Received 20 March 2010

Accepted 19 April 2010

© 2010 Lippincott Williams & Wilkins, Inc.