Yield shear stress and disaggregating shear stress of human blood

Jinmu Jung, Byoung Kwon Lee, Sehyun Shin

Research output: Contribution to journalReview article

7 Citations (Scopus)

Abstract

This review presents two distinct theological parameters of blood that have the potential to indicate blood circulation adequacy: yield shear stress (YSS) and disaggregating shear stress (DSS). YSS and DSS reflect the strength of red blood cell (RBC) aggregation in suspension under static and dynamic conditions, respectively. YSS, defined as the critical stress to disperse RBC aggregates under static conditions, was found to be dependent upon hematocrit, fibrinogen, and red cell deformability, but not temperature. DSS, defined as the minimum shear stress to disperse RBC aggregates under dynamic conditions, is dependent upon fibrinogen, red cell deformability, and temperature but not hematocrit. Owing to recent advances in measurement technology, these two parameters can be easily measured, and thus, their clinical significance in blood circulation can be verified.

Original languageEnglish
Pages (from-to)191-198
Number of pages8
JournalKorea Australia Rheology Journal
Volume26
Issue number2
DOIs
Publication statusPublished - 2014

Keywords

  • Blood
  • Disaggregating shear stress
  • RBC aggregation
  • Viscosity
  • Yield shear stress

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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