Techniques for the Detection of Coronary Atherosclerosis: Multi–detector Row CT Coronary Angiography
Authors:
- Nasreddin D. AbolmaaliNANasreddin D. Abolmaali
- Thomas DieboldTDThomas Diebold
- Kerstin EngelmannKEKerstin Engelmann
- Mehtap AyMAMehtap Ay
- Selami DoganSDSelami Dogan
- Gerhardt Wimmer-GreineckerGWGerhardt Wimmer-Greinecker
- Anton MoritzAMAnton Moritz
- Christopher HerzogCHChristopher Herzog
- 1 April 2002
- journal article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 223 (1) , 212-220
Abstract
PURPOSE: To investigate the accuracy of different computed tomographic (CT) reformation techniques in assessing the coronary arteries. MATERIALS AND METHODS: Sixty-four patients undergoing both multi–detector row CT and invasive coronary angiography were consecutively included in a retrospective study. CT scans were obtained with collimation of 4 × 1 mm, pitch of 1.5, and rotation time of 500 msec. Retrospective electrocardiographic gating was used for image reconstruction, with 1.25-mm section thickness and 0.5-mm increment. The CT data set of each patient was evaluated by independent observers using transverse scanning, virtual endoscopic, and three-dimensional reformation and multiplanar reformation. RESULTS: Hemodynamically relevant stenoses (>50%) were detected with highest sensitivity at transverse scanning (58 of 79 [73.4%] stenoses), followed by virtual endoscopic (38 of 79 [48.1%] stenoses) and three-dimensional reformation (34 of 79 [43.0%] stenoses), and multiplanar reformation (37 of 79 [46.8%...Keywords
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