Why the study?
Do clinical characteristics and presentation differ between patients with obstructive coronary lesions with and without coronary calcification?
Do clinical characteristics and presentation differ between patients with obstructive coronary lesions with and without coronary calcification?
Significant obstructive coronary artery disease can occur in the absence of coronary calcification, particularly in younger patients presenting with acute coronary syndromes.
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Obstructive CAD without calcium may present unstably in younger patients; leaves open whether calcium scoring alone suffices for risk stratification.
Marwan et al. (2009) studied this question.
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