Modeling of pressure pulse waves in bypass grafting / Selezov, / Kryvonos. (2017)
Ukrainian

English  Cybernetics and Systems Analysis   /     Issue (2017, 53 (1))

Selezov I.T., Kryvonos I.G.
Modeling of pressure pulse waves in bypass grafting

We investigate the dynamics of a bypass in terms of determining the optimal parameters of shunt operation. The equations that describe the propagation of pressure pulse waves in blood vessels are presented in differential form and in approximate form for the averaged values based on the conservation laws. The correspondence of these forms is shown from the solution of the initial–boundary-value problem for vascular junction. The influence of the parameters such as various diameters, wall thicknesses, and elastic properties of blood vessels on the shunt effectiveness is investigated. In particular, we investigate the influence of the shunt form and junction area, as well as the angle of the shunt connection with the vessel, on the passage of the coronary vessels and blood coagulation. On the basis of the calculations, conclusions about the influence of various parameters on the dynamics of bypass are made. © 2017, Springer Science+Business Media New York.

Keywords: bypass grafting, coronary artery, hydraulic losses, physicomechanical properties of blood vessels, Boundary value problems, Blood coagulation, Bypass grafting, Coronary arteries, Differential forms, Elastic properties, Hydraulic loss, Optimal parameter, Physicomechanical properties, Blood vessels


Cite:
Selezov I.T., Kryvonos I.G. (2017). Modeling of pressure pulse waves in bypass grafting. Cybernetics and Systems Analysis, 53 (1), 16-25. doi: https://doi.org/10.1007/s10559-017-9902-1 http://jnas.nbuv.gov.ua/article/UJRN-0000621670 [In Russian].


 

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