Key result
Higher BMI is linked to ~2 mm of aortic dilatation independent of traditional risk factors.
Why the study?
What are the normal CMR reference ranges for regional aortic diameters and how do they relate to body surface area in healthy adults?
Observational (n=447)
No
What are the normal CMR reference ranges for regional aortic diameters and how do they relate to body surface area in healthy adults?
This study provides a large, gender-specific CMR nomogram for regional aortic diameters, demonstrating a modest increase in aortic size with increasing body surface area and age in healthy individuals.
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Supports adjusting CMR aortic norms for body size; extends gender-specific reference data in low-risk adults.
Davis et al. (2014) conducted an observational in Healthy subjects (n=447). Cardiovascular magnetic resonance (CMR) was evaluated on Normal CMR reference range of aortic diameters and relationship with body surface area. Increasing body size is characterized by a modest degree of aortic dilatation (1.4-2.1 mm in males and 0.8-1.7 mm in females per 10 kg/m2 increase in BMI), even without traditional cardiovascular risk factors.
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