Why the study?
Does aortic wall strain rate measured by tissue Doppler imaging provide a more accurate index of regional arterial stiffness than brachial-ankle pulse wave velocity in patients with normal cardiac function?
Population
72 patients (18 to 78 years) with normal cardiac function and without large vessel complications
Comparison
Aortic wall strain rate measured by tissue… vs Brachial-ankle pulse wave velocity
Design
Cross-sectional
Authors
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May support strain rate as BP-independent stiffness marker in normal hearts; leaves open prospective validation vs baPWV.
Does aortic wall strain rate measured by tissue Doppler imaging provide a more accurate index of regional arterial stiffness than brachial-ankle pulse wave velocity in patients with normal cardiac function?
Aortic wall strain rate measured by tissue Doppler imaging may be a more accurate, blood pressure-independent index of regional arterial stiffness compared to brachial-ankle pulse wave velocity.
Haiden et al. (2008) studied this question.
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