2017
DOI: 10.5812/iranjradiol.22024
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Assessment of the Coronary Artery in High-Pitch, Dual-Source CT Aortography Without ECG Synchronization

Abstract: Background: The high pitch, dual source computed tomography (CT) provides motion-free aortic imaging. Objectives: To evaluate the image quality of coronary artery using dual-source CT aortography without electrocardiogram (ECG) synchronization.

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“…Non-gated high-pitch (pitch 2.8/3.0) protocol has been used to minimize motion artifact in CTAs for acute pulmonary embolism or aortic dissection (21,22). Choi et al also found that image quality may not be hampered at the proximal and mid-coronary segments in non-gated scans (23). As for breathing, studies have proved that breath may not influence the image quality of coronary CTA when it was performed in one heart beat (24).…”
Section: Discussionmentioning
confidence: 99%
“…Non-gated high-pitch (pitch 2.8/3.0) protocol has been used to minimize motion artifact in CTAs for acute pulmonary embolism or aortic dissection (21,22). Choi et al also found that image quality may not be hampered at the proximal and mid-coronary segments in non-gated scans (23). As for breathing, studies have proved that breath may not influence the image quality of coronary CTA when it was performed in one heart beat (24).…”
Section: Discussionmentioning
confidence: 99%