Visualization of anomalous coronary arteries on dual-source computed tomography |
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Authors: | G J de Jonge P M A van Ooijen L H Piers R Dikkers R A Tio T P Willems A F M van den Heuvel F Zijlstra M Oudkerk |
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Institution: | (1) Department of Radiology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands;(2) Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands |
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Abstract: | The purpose of this study is to assess the capability of dual-source computed tomography (DSCT) in evaluating coronary artery
anomalies. Early detection and evaluation of coronary artery anomalies is essential because of their potential association
with myocardial ischemia and sudden death. In 16 patients (12 men, mean age 50 ± 14 years), anomalous coronary arteries were
detected on contrast-enhanced DSCT in a patient cohort of 230 individuals (incidence of 7%). Six different types of anomalies
were diagnosed (three fistula, four anomalies of the circumflex artery, four anomalous right coronary arteries, three anomalies
of the left coronary artery, one absent left main coronary artery, and one left coronary artery arising from the pulmonary
trunk). Of the 16 patients, 10 also underwent conventional coronary angiography (CAG). Retrospective evaluation of the CAGs
by an experienced interventional cardiologist resulted in a precise diagnosis in 50% of patients. With DSCT, sufficient image
quality and exact visualization of the aberrant anatomy were achieved in all patients. Therefore, DSCT seems to be an accurate
diagnostic tool for examining the precise origin, course, and shape of aberrant coronary arteries. |
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Keywords: | Dual-source computed tomography Coronary artery anomalies Coronary angiography Heart abnormalities |
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