Key result
Bidimensional Laser Doppler Anemometry highlighted different flow field features and velocity profiles downstream of four 19 mm sized bileaflet cardiac valves during peak systolic flow.
Population
Four models of 19 mm sized bileaflet valve prostheses in aortic position
Comparison
Bidimensional Laser Doppler Anemometry at high… vs Comparison among the four valve models
Design
Preclinical
Authors
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Flow variations among 19 mm bileaflet valves warrant no practice change; leaves open effects on clinical hemodynamics or outcomes.
In vitro analysis of 19 mm bileaflet valve prostheses reveals distinct downstream flow field features among different models at high cardiac output.
Barbaro et al. (1997) studied Cardiac valve prosthesis flow field (in vitro) (n=4). 19 mm sized bileaflet valve prostheses vs. Comparison among the four valve models was evaluated on Velocity profiles during the peak flow systolic phase at high cardiac output regime. Bidimensional Laser Doppler Anemometry highlighted different flow field features and velocity profiles downstream of four 19 mm sized bileaflet cardiac valves during peak systolic flow.
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