Why the study?
What are the dynamic changes in aortic root dimensions during systole and diastole as evaluated by ECG-gated MDCT in subjects without aortic root disease?
Population
108 subjects without aortic root disease, mean age 56 ± 13 years
Design
Cross-sectional
Authors
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Individual aortic root dimensions vary up to 5 mm across phases; hypothesis-generating for phase-specific reference values in MDCT.
What are the dynamic changes in aortic root dimensions during systole and diastole as evaluated by ECG-gated MDCT in subjects without aortic root disease?
ECG-gated MDCT reveals significant, unpredictable individual dynamic changes in aortic root dimensions between systole and diastole, despite no significant mean difference in the overall group.
Heer et al. (2011) studied this question.
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