Numerical computation of blood flow for a patient-specific hemodialysis shunt model

Surabhi Rathore, Tomoki Uda, Viet Q.H. Huynh, Hiroshi Suito, Toshitaka Watanabe, Hironobu Sugiyama, D. Srikanth

Research output: Contribution to journalArticlepeer-review

Abstract

Hemodialysis procedure is usually advisable for end-stage renal disease patients. This study is aimed at computational investigation of hemodynamical characteristics in three-dimensional arteriovenous shunt for hemodialysis, for which computed tomography scanning and phase-contrast magnetic resonance imaging are used. Several hemodynamical characteristics are presented and discussed depending on the patient-specific morphology and flow conditions including regurgitating flow from the distal artery caused by the construction of the arteriovenous shunt. A simple backflow prevention technique at an outflow boundary is presented, with stabilized finite element approaches for incompressible Navier–Stokes equations.

Original languageEnglish
JournalJapan Journal of Industrial and Applied Mathematics
DOIs
Publication statusAccepted/In press - 2021

Keywords

  • Arteriovenous shunt
  • Backflow prevention
  • Hemodialysis
  • Oscillatory shear index
  • Regurgitation

ASJC Scopus subject areas

  • Engineering(all)
  • Applied Mathematics

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