Key result
Anterior abdominal aortic displacement consistently exceeds posterior motion by ~3-fold across mammalian species.
Why the study?
Variations in abdominal aortic wall motion across mammalian species and their implications for aneurysm pathogenesis and endovascular device design were not well characterized.
Cross-Sectional (n=36)
Abdominal aortic wall dynamics are similar across mammalian species, with greater anterior than posterior wall motion, which may explain the anterior development of human abdominal aortic aneurysms and inform endovascular device design.
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Cross-species aortic wall dynamics support animal models for device testing; leaves open anterior strain's role in human AAA pathogenesis.
Goergen et al. (2007) conducted a cross-sectional in Abdominal aortic wall motion (n=36). Mammalian species was evaluated on Anterior and posterior wall displacement. Abdominal aortic wall dynamics are similar across mammalian species, with anterior wall displacement being 2.5 to 4.0 times greater than posterior displacement regardless of aortic size.
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