Hemodynamic performance of the Ultracor and Carpentier-Edwards aortic prostheses using exercise and dobutamine stress echocardiography
Abstract
Both prostheses demonstrated significant increases in pressure drop under stress conditions. The standard porcine C-E valve had a statistically better hemodynamic profile than the Ultracor prosthesis at higher flow rates. When a study cohort of patients is small, these differences will only be evide …
Keywords
National Center for Biotechnology Information
NCBI
NLM
MEDLINE
humans
pubmed abstract
nih
national institutes of health
national library of medicine
research support
non-u.s. gov't
female
male
aged
middle aged
Comparative Study
heart valve prosthesis*
prosthesis design
doppler
echocardiography
bioprosthesis*
hemodynamics*
exercise test*
pmid:16359066
neil a hobson
glen a l wilkinson
jane lynch
aortic valve / surgery*
dobutamine
stress*
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271293
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