Complex and frequency-dependent compliance of viscoelastic windkessel resolves contradictions in elastic windkessels

被引：0
|
作者：
Burattini, Roberto [1 ,2 ]
Natalucci, Silvia [1 ]
机构：
[1] Dept. of Electronics and Automatica, University of Ancona, 60131, Ancona, Italy
[2] Dept. Vet. Compar. Anat. P., Washington State University, Pullman, WA 99164-6520, United States
来源：
Medical Engineering and Physics | 1998年 / 20卷 / 07期
关键词：
Blood - Blood vessels - Body fluids - Computer simulation - Fluid dynamics - Hemodynamics - Mathematical models - Microcirculation - Numerical methods;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aortic input impedance was interpreted in terms of a viscoelastic windkessel (VW). Using ascending aortic pressure and flow taken from four dogs, the estimates of compliance obtained from the three-element windkessel (W3) and VW models and from different W2-based estimation methods were compared. Analysis of data fit and compliance estimates indicated that the VW models yields an improvement over the W3 in the physical interpretation of the overall arterial properties.
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页码：502 / 514
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