Annals of Biomedical Engineering

, Volume 33, Issue 11, pp 1607–1630

Long-Term Mathematical Model Involving Renal Sympathetic Nerve Activity, Arterial Pressure, and Sodium Excretion

  • Fatih Karaaslan
  • Yagmur Denizhan
  • Abidin Kayserilioglu
  • H. Ozcan Gulcur
Article

Abstract

This paper presents a physiological long-term model of the cardiovascular system. It integrates the previous models developed by Guyton, Uttamsingh and Coleman. Additionally it introduces mechanisms of direct effects of the renal sympathetic nerve activity (rsna) on tubular sodium reabsorption and renin secretion in accordance with experimental data from literature. The resulting mathematical model constitutes the first long-term model of the cardiovascular system accounting for the effects of rsna on kidney functions in such detail. The objective of developing such a model is to observe the consequences of long-term rsna increase and impairment of rsna inhibition under volume loading. This model provides an understanding of the rsna-related mechanisms, which cause mean arterial pressure increase in hypertension and total sodium amount increase (sodium retention) in congestive heart failure, nephrotic syndrome and cirrhosis.

Key Words

Long-term cardiovascular system model Hypertension Congestive heart failure Nephrotic syndrome Cirrhosis 

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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Fatih Karaaslan
    • 1
  • Yagmur Denizhan
    • 2
    • 4
  • Abidin Kayserilioglu
    • 3
  • H. Ozcan Gulcur
    • 1
  1. 1.Institute of Biomedical EngineeringBogazici UniversityTurkey
  2. 2.Electrical and Electronics Engineering DepartmentBogazici UniversityTurkey
  3. 3.Sports Medicine Department, Istanbul Medical FacultyIstanbul UniversityTurkey
  4. 4.Electrical and Electronics Engineering DepartmentBogazici UniversityBebekTurkey

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