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[Evaluation of aortic distensibility using cine MR imaging]
M Takahashi1, K Murata, M Mori
1Department of Radiology, Shiga University of Medical Science.
Summary
Noninvasive cine MR imaging reveals that reduced aortic distensibility correlates with aging and coronary artery disease (CAD) risk. This measurement may help predict CAD in patients with normal cholesterol levels.
Area of Science:
- Cardiovascular imaging
- Biomedical engineering
- Radiology
Context:
- Aging leads to arterial stiffening, increasing cardiovascular disease risk.
- Coronary artery disease (CAD) is a major global health concern.
- Noninvasive imaging techniques are crucial for assessing cardiovascular health.
Purpose:
- To assess regional aortic distensibility using cine MR imaging.
- To determine the correlation between aortic distensibility, aging, and CAD risk.
Summary:
- Regional aortic distensibility was measured noninvasively in 55 patients (22 with CAD, 33 without) using cine MR imaging.
- Aortic distensibility was calculated from changes in descending thoracic aorta cross-sectional area and pulse pressure.
- Decreased aortic distensibility significantly correlated with patient age (r = -0.762) and was lower in patients with CAD (p < 0.05).
Impact:
- Cine MR imaging-derived aortic distensibility is a valuable parameter for evaluating aortic aging and atherosclerosis.
- This parameter shows potential for predicting CAD risk, even in patients with normal serum cholesterol.