Key result
CFD simulation of chronic type B aortic dissections showed a 77% reduction in wall shear stress and 69% reduction in total pressure at the site of largest false lumen dilatation at follow-up.
Why the study?
How do hemodynamic parameters change during aneurysmal dilatation in chronic type B aortic dissections compared to healthy aortas?
Observational
How do hemodynamic parameters change during aneurysmal dilatation in chronic type B aortic dissections compared to healthy aortas?
Computational fluid dynamics modeling demonstrates that false lumen dilatation in chronic type B aortic dissection reduces total pressure and wall shear stress but unfavorably increases the pressure gradient compared to healthy aortas.
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May guide CFD-based risk models in aortic disease; leaves open clinical translation pending human validation.
Karmonik et al. (2013) conducted an observational in Chronic type B aortic dissection. Computational fluid dynamics (CFD) simulation vs. Healthy aorta and initial examination was evaluated on Hemodynamic changes including total pressure, wall shear stress, and pressure gradient. CFD simulation of chronic type B aortic dissections showed a 77% reduction in wall shear stress and 69% reduction in total pressure at the site of largest false lumen dilatation at follow-up.
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