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Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
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Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues

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Effects of changes in the physical properties of the central elastic artery on haemodynamic characteristics during

S H Shin1, Y B Park

  • 1Department of Oriental Biomedical Engineering, Sangji University, Wonju-si, Gangwon-do, 220-702, Republic of Korea. shshin@sangji.ac.kr

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
|July 24, 2009
PubMed

Insights

Aging arteries stiffen, thicken, and widen, impacting blood pressure. Computer simulations reveal increased stiffness and thickness raise systolic and pulse pressure, while wider arteries lower mean pressure, affecting blood flow dynamics.

Area of Science:

  • Cardiovascular physiology
  • Biomedical engineering
  • Computational modeling

Background:

  • Arterial properties change with age, influencing blood pressure.
  • Traditional aging studies are time-consuming and confounded by disease.
  • Computer simulations offer a controlled method to study arterial aging.

Purpose of the Study:

  • To analyze the impact of physical property changes in central elastic arteries during aging on blood pressure and input impedance.
  • To simulate the hemodynamic effects of arterial aging.

Main Methods:

  • Utilized a computer simulation model.
  • Investigated changes in arterial stiffness, wall thickness, and lumen diameter.
  • Analyzed effects on systolic pressure, pulse pressure, mean pressure, pulse wave velocity, and input impedance.

Main Results:

  • Increased arterial stiffness and wall thickness elevated systolic and pulse pressures.
  • Increased lumen diameter decreased mean pressure.
  • Pulse wave velocity, shape, and low-frequency input impedance changed within the central elastic artery group.

Conclusions:

  • Specific physical property changes in arteries significantly affect hemodynamic characteristics during aging.
  • Simulation provides insights into arterial aging mechanisms.
  • Findings contribute to understanding age-related cardiovascular changes.

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