Why the study?
Does increased valvulo-arterial impedance impact left ventricular longitudinal, circumferential, and radial strain in patients with severe aortic stenosis?
Does increased valvulo-arterial impedance impact left ventricular longitudinal, circumferential, and radial strain in patients with severe aortic stenosis?
In severe aortic stenosis, increased valvulo-arterial impedance impairs subendocardial longitudinal and circumferential fibers earlier than mid-wall radial fibers.
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Supports earlier longitudinal/circumferential strain impairment with rising ZVa in severe AS; extends fiber-specific insights but leaves open causal validation.
Galli et al. (2016) studied this question.
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