Abstract
BackgroundA recent study showed that coronary high-intensity plaques (HIPs) visualized by noncontrast T1-weighted imaging (T1WI) in cardiac magnetic resonance were associated with coronary events. We used coronary angioscopy to analyze HIP plaque morphology. Methods and resultsA total 17 lesions from 17 patients with stable or unstable angina pectoris were evaluated at the culprit lesion by noncontrast T1WI using 1.5-T magnetic resonance; of them, nine (53%) were HIPs and eight (47%) were non-HIPs, and all were analyzed by coronary angioscopy. We assessed the existence of thrombus and plaque yellow color grade (YG). YG was assessed visually according to a four-grade scale: 0, white; 1, light yellow; 2, yellow; 3, intense yellow. The frequency of thrombus was significantly higher in HIPs than in non-HIPs (89% vs. 25%, respectively; p=0.007). YG was significantly more frequent in HIPs than in non-HIPs (2.2±0.4 vs. 0.7±0.7, respectively; p=0.01). ConclusionsThese data indicated that HIPs on noncontrast T1WI were associated with the presence of high-grade yellow plaque with thrombus.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
