Key result
A newly proposed cardiovascular system model under-predicted peak pressure drop by 25% and over-predicted mean pressure drop by 7% for severely stenosed aortic valves compared to literature values.
Why the study?
Valvular heart diseases are a growing concern causing significant mortality, and modeling the effects of regurgitant and obstructive lesions can assist clinicians in preparing personalized treatments.
A newly proposed lumped parameter model of aortic stenosis provides more accurate predictions of transvalvular pressure drops compared to previously published models.
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Residual prediction errors caution against clinical use in aortic stenosis; extends prior models but leaves open prospective validation.
Laubscher et al. (2022) studied Aortic valve stenosis. Newly proposed valve modeling approach vs. Previously published valve models was evaluated on Transvalvular pressure drops (peak and mean). A newly proposed cardiovascular system model under-predicted peak pressure drop by 25% and over-predicted mean pressure drop by 7% for severely stenosed aortic valves compared to literature values.
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