Why the study?
SCAD carries risks of dissection propagation during invasive coronary angiography, creating an opportunity for noninvasive assessment via improved coronary CT angiography.
Is coronary CT angiography a useful noninvasive imaging modality for the assessment of spontaneous coronary artery dissection?
Is coronary CT angiography a useful noninvasive imaging modality for the assessment of spontaneous coronary artery dissection?
Coronary CT angiography is highlighted as a safe and useful noninvasive alternative to invasive angiography for assessing spontaneous coronary artery dissection.
Answers are grounded in this paper and cite their sources.
May support coronary CT angiography for SCAD assessment to avoid invasive risks; leaves open need for prospective validation.
Spontaneous coronary artery dissection (SCAD) is more common than previously thought and is present in up to 4% of patients presenting with acute coronary syndrome. SCAD predominantly occurs in relatively young women and is an important cause of myocardial infarction in young patients without traditional risk factors of atherosclerotic coronary artery disease. There have been substantial improvements in spatial and temporal resolution and reduction in ionizing radiation dose with new generation scanners. The risk of dissection propagation with an invasive coronary angiogram, improved CT scanner parameters, and predominantly conservative management of SCAD make coronary CT angiography a useful noninvasive imaging modality for the assessment of SCAD.
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Gupta et al. (2020) studied this question.
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