Analytical fuzzy solution of the ventricular pressure equation and prediction of the blood pressure

Document Type : Research Paper

Authors

1 Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran.

2 Department of Mathematics, facullty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Turkey.

3 Department of Applied Mathematics, Faculty of Science, Imam Khomeini International University, Qazvin, 34149-16818, Iran.

4 Department of Medical Genetics & Molecular Medicine, Tehran University of Medical Sciences, Tehran, Iran.

Abstract

The cardiovascular system is an extremely intelligent and dynamic system which adjusts its performance depending on the individual's physical and environmental conditions. Some of these physical and environmental conditions may create slight disruptions in the cardiovascular system leading to a variety of diseases. Since prevention has always been preferable to treatment, this paper examined the Instantaneous Pressure-Volume Relation (IPVR) and also the pressure of the artery root. Fuzzy mathematics as a powerful tool is used to evaluate and predict the status of an individual's blood pressure. The arterial pressure is modeled as a first-order fuzzy differential equation and an analytical solution for this equation is obtained and an example shows the behavior of the solution. The risk factors using fuzzy rules are assessed, which help diagnose the status of an individual's blood pressure. Using the outcome by drawing the individual's attention to these risk factors, the individual's health is improved. Moreover, in this study, adaptive neuro-fuzzy inference system (ANFIS) models are evaluated to predict the status of an individual's blood pressure on the basis of the inputs.

Keywords

References

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Computational Methods for Differential Equations
Volume 9, Issue 4
October 2021
Pages 919-939

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History

  • Receive Date: 21 June 2019
  • Revise Date: 21 July 2020
  • Accept Date: 22 July 2020

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