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Computational Study on the Hemodynamic Behaviors of the Human Cardiovascular System with an Acute Arteriovenous Fistula  

변수영 (서울대학교 대학원 기계항공공학부)
손정락 (서울대학교 기계항공공학부)
심은보 (강원대학교 기계메카트로닉스 공학부)
노승탁 (서울대학교 기계항공공학부)
Publication Information
Journal of Biomedical Engineering Research / v.24, no.4, 2003 , pp. 329-337 More about this Journal
Abstract
Blood in congenital or acquired AY fistula(arteriovenous fistula) flows from arteries directly to veins. detouring peripheral micro-circulation. This makes a great effect on the hemodynamics of human cardiovascular system. In this study, a computational method using lumped parameter mode) was proposed to simulate the cardiovascular hemodynamics of patients with acute AV fistula The cardiovascular system model with a fistula compartment in left lower limb was built using 17 standard lumped compartments. Using fourth order Runge-Kutta method. we solved numerically the unsteady linear set of the ordinary differential equations resulting from application of Kirchhoff's law to the lumped parameter hemodynamic model. The baroreceptor reflex system was implemented to explain the auto-regulation effect of the cardiovascular system with acute AV fistula.
Keywords
Hemodynamic simulation; AV fistula; Baroreflex; Lumped parameter model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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