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首页> 外文期刊>Journal of Biomechanics >Prosthetic heart valves' mechanical loading of red blood cells in patients with hereditary membrane defects
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Prosthetic heart valves' mechanical loading of red blood cells in patients with hereditary membrane defects

机译:遗传性膜缺损患者人工心脏瓣膜对红细胞的机械负荷

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摘要

Grigioni et al. (2005) have proposed a model for loading of blood cells in turbulent flow. At each point on the surface of a geometrically simplified cell, the Reynolds stress tensor is resolved into normal and tangential components. The magnitude of the tangential component is then integrated over the whole of the cell surface to give a single scalar parameter, which is presented as an expression of the overall shear loading on a cell. Grigioni et al. have suggested that their results explain differences in observed hemolytic state among patients with prosthetic heart valves and abnormal erythrocyte morphology, based on a clinical sample of two patients.
机译:Grigioni等。 (2005)提出了湍流中血细胞负荷的模型。在几何简化单元的表面上的每个点,雷诺应力张量都分解为法向分量和切向分量。然后,将切向分量的大小积分到整个单元表面上,以给出单个标量参数,该参数表示为单元上整体剪切载荷的表达。 Grigioni等。已有研究表明,基于两名患者的临床样本,他们的结果解释了人工心脏瓣膜和红细胞形态异常的患者观察到的溶血状态的差异。

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