Comparison of image characteristics of plaques in culprit coronary arteries by 64 slice CT and intravascular ultrasound in acute coronary syndromes

Comparison of Plaque Burden and Vessel Remodeling in Obstructive Saphenous Vein Graft Lesions as Assessed by Intravascular Ultrasound and Dual-source Computed Tomography

“…Several studies showed good correlation between IVUS and CT assessment of plaque burden and vessel remodeling in native coronary arteries. [3][4][5]8 To our knowledge, our study is the first report confirming those findings in an SVG lesion subset. The study by Hong et al 9 showed that positive remodeling assessed with IVUS was associated with increased risk for tissue prolapse and distal embolization resulting in no reflow during PCI of SVG lesions despite use of a distal protection device.…”

Coronary CT Angiography in the Quantitative Assessment of Coronary Plaques

“…Takaoka et al in their study compared CCTA with IVUS for analysing unstable plaques and they found that CT densities correlated with soft plaques as diagnosed by IVUS were 32.9 ± 8.7 HU and those associated with thrombus were 43.2 ± 10.7 HU, while both values were significantly lower than those of fibrous plaques as identified by IVUS, which were 82.5 ± 22.6 HU [67]. Their findings showed that CT values for plaque density are significantly lower for the soft components than for fibrous components of the atherosclerotic plaques.…”

A two center 320 slice CT study for evaluating coronary arteries in subjects with chronic atrial fibrillation: A comparison of prospective and retrospective ECG-gating acquisition

“…[8], and in this study, we compared the CT findings of a total of 53 CAF subjects with ICA in a two-center analysis. Even though this study included CAF subjects with high CHA2DS2-VASc scores, which indicate high risk of coronary artery disease [12], the detectability of luminal stenosis in coronary arteries by 320-slice CT compared with ICA was good overall; in particular, specificity and NPV were as high as shown in previous studies [5,6].…”

“…This modality can achieve visualization of the lumen of coronary arteries [1][2][3][4] as well as plaque characteristics [5][6][7]. Many previous studies have shown that this modality has high sensitivity, specificity, and positive (PPV) and negative predictive values (NPV) for detection of significant stenosis in coronary arteries confirmed by invasive coronary angiography (ICA), if the subjects have normal sinus rhythm with low heart rates (HR) [1,2].…”