Key result
Women had greater longitudinal strain than men, resulting in higher longitudinally corrected circumferential ascending aortic strain (14.4% vs 13.0%; P=0.010).
Population
375 participants (72 to 94 years old, 204 women) in the Age, Gene/Environment Susceptibility-Reykjavik Study
Design
Cross-sectional
Authors
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Longitudinal strain may variably underestimate ascending aortic circumferential strain; hypothesis-generating for aortic mechanics in isolated systolic hypertension.
Cross-Sectional (n=375)
Absolute Event Rate: 14.4% vs 13%
p-value: p=0.010
Longitudinal strain creates substantial errors in circumferential ascending aortic area strain measurements, particularly in women, and should be corrected to avoid misclassification of aortic stiffness.
Bell et al. (2014) conducted a cross-sectional in Aortic stiffness (n=375). Female sex vs. Male sex was evaluated on Longitudinally corrected circumferential ascending aortic strain (p=0.010). Women had greater longitudinal strain than men, resulting in higher longitudinally corrected circumferential ascending aortic strain (14.4% vs 13.0%; P=0.010).
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