Blood coagulation and propagation of autowaves in flowстатья

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

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[1] Ermakova E. A., Panteleev M. A., Shnol E. E. Blood coagulation and propagation of autowaves in flow // Pathophysiology of Haemostasis and Thrombosis. — 2005. — Vol. 34, no. 2-3. — P. 135–142. This study analyses the effect of flow and boundary reactions on spatial propagation of waves of blood coagulation. A simple model of coagulation in plasma consisting of three differential reaction-diffusion equations was used for numerical simulations. The vessel was simulated as a two-dimensional channel of constant width, and the anticoagulant influence of thrombomodulin present on the undamaged vessel wall was taken into account. The results of the simulations showed that this inhibition could stop the coagulation process in the absence of flow in narrow channels. For the used mathematical model of coagulation this was the case if the width was below 0.2 mm. In wider vessels, the process could be stopped by the rapid blood flow. The required flow rate increased with the increase of the damage region size. For example, in a 0.5-mm wide channel with 1-mm long damage region, the propagation of coagulation may be terminated at the flow rate of more than 20 mm/min. [ DOI ]

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