Detection of coronary artery stenoses using multi-detector CT with 16×0.75 collimation and 375 ms rotation

Abstract

Increasing temporal and spatial resolutions of MDCT lead to improved evaluation and diagnostic accuracy for detection of coronary stenoses.

Transitioning from 16-slice to 64-slice multidetector computed tomography for the assessment of coronary artery disease: Are we really making progress?

“…In these studies, 64-slice MDCT was able to assess 97% of all coronary artery segments visualized by both CCA and MDCT (Table 1), which is approximately 5% more than previous 16-slice technology. This improvement was noted despite the inclusion of 64-slice MDCT studies that analyzed all vessel segments, compared with 16-slice MDCT studies, which generally excluded the analysis of segments smaller than 1.5 mm in diameter (Table 2) (22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37). When compared with CCA, 64-slice MDCT had a sensitivity of 89% and a specificity of 96% for the assessment of coronary artery stenosis (more than 50% luminal narrowing), similar to results obtained with 16-slice MDCT.…”

The Diagnostic Accuracy of the 64-slice Multi-detector CT Coronary Angiography for the Assessment of Coronary Artery Stenosis in Symptomatic Patients

“…However, stenoses in vessel segments with a diameter of 1.5 mm rarely constitute targets for revascularization therapy. This may imply that vessel segments > 1.5 mm diameter are clinically worthwhile (5,19,20). Sub-optimal vascular enhancement causes poor visibility and blurring of the vessel contour and remains a challenge to accurately determine the presence of significant stenosis; specifically in the distal vessels.…”

Sixty-four–slice multidetector computed tomography: the future of ED cardiac care

“…Initial studies reported sensitivity and specificity rates of 59% to 95% and 79% to 98%, respectively, primarily in patients with stable angina pectoris referred for cardiac catheterization ( Table 1). The rate of adequate visualization of coronary vessels in these studies ranged from 68% to 96% [18][19][20][21][22][23][24][25][26][27][28]. These results have compared favorably with other modalities such as intravascular ultrasound and cardiac magnetic resonance imaging [29,30] but are still inadequate.…”