한국가시화정보학회지 (Journal of the Korean Society of Visualization)

  • 제14권1호
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  • Pages.33-39
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  • 2016
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  • 1598-8430(pISSN)
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  • 2093-808X(eISSN)
한국가시화정보학회 (The Korean Society of Visualization)
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μ-PIV기법을 이용한 동정맥루 모사혈관에서의 모사 혈액의 점도특성에 따른 혈류역학적 분석

Hemodynamical analysis by viscosity characteristics of artificial blood for μ-PIV experiment of Radio-cephalic arteriovenous fistula(RC-AVF)

  • Song, Ryungeun (School of Mechanical Enginnering, Sungkyunkwan University) ;
  • Lee, Jinkee (School of Mechanical Enginnering, Sungkyunkwan University)
  • 투고 : 2016.03.25
  • 심사 : 2016.04.13
  • 발행 : 2016.04.30
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초록

Radio-cephalic arteriovenous fistula(RC-AVF) is the most recommended operation of achieving access for hemodialysis. However, it has high rates of early failure depending on the many haemodynamic conditions. To increase RC-AVF patency rate, many researches were performed by in-vitro experiment via artificial vessel and blood analogue fluid, and there were conflicting opinions about whether the non-Newtonian properties of blood have an influence on the flow in large arteries. To investigate the influence of viscoelasticity of blood within the RC-AVF, we fabricated three dimensional artificial RC-AVF and two kinds of blood analogue fluid. The velocity field of two fluids within the vessel were measured by micro-particle velocimetry(m-PIV) and compared with each other. The velocity profiles of both fluids for systolic phase were matched well while those for diastolic phase did not correspond. Therefore, it is desired to use non-newtonian fluid for in-vitro experiment of RC-AVF.

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참고문헌

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