Multislice CT imaging of anomalous coronary arteries

The purpose of the present study was to evaluate the role of 16 multislice computed tomography (MSCT) to identify the origin of anomalous coronary arteries and to confirm their anatomic course in relation to the great vessels. Accuracy of coronary artery disease (CAD) detection was a secondary aim a...

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Bibliographic Details
Published in:European radiology 2004-12, Vol.14 (12), p.2172-2181
Main Authors: Shi, Heshui, Aschoff, Andrik J, Brambs, Hans-Juergen, Hoffmann, Martin H K
Format: Article
Language:English
Subjects:
Accuracy
Adult
Aged
Aged, 80 and over
Cardiovascular disease
Coronary Angiography
Coronary Artery Disease - diagnostic imaging
Coronary Vessel Anomalies - diagnostic imaging
Female
Humans
Imaging, Three-Dimensional
Male
Medical imaging
Middle Aged
Sensitivity and Specificity
Tomography, X-Ray Computed
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Summary:The purpose of the present study was to evaluate the role of 16 multislice computed tomography (MSCT) to identify the origin of anomalous coronary arteries and to confirm their anatomic course in relation to the great vessels. Accuracy of coronary artery disease (CAD) detection was a secondary aim and was tested with conventional angiograms (CA) serving as standard of reference. Two hundred and forty-two consecutive patients referred for noninvasive coronary CT imaging were reviewed for the study. Sixteen patients (6.6%) with anomalous coronary arteries were detected and included as the study group. MSCT and CA images were analyzed in a blinded fashion for accuracy of anomalous artery origin and path detection. Results were compared in a secondary consensus evaluation. Accuracy ratios to detect CAD with MSCT in all vessels were calculated. Coronary anomalies for all 16 patients were correctly displayed on MSCT. CA alone achieved correct identification of the abnormality in only 53% (P=0.016). Sensitivity and specificity of MSCT to detect significantly stenosed vessels was 90 and 92%. 16-MSCT is accurate to delineate abnormally branching coronary arteries and allows sufficiently accurate detection of obstructive coronary artery disease in distal branches. It should therefore be considered as a prime non-invasive imaging tool for suspected coronary anomalies.
ISSN:0938-7994
1432-1084
DOI:10.1007/s00330-004-2490-2