Blood viscoelasticity changes in cardiac surgery

George B. Thurston, Nancy Henderson, Akif Undar, John H. Calhoon

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

A viscoelasticity profile is produced to assess the flow properties of the blood at various stage of the cardiopulmonary bypass procedure. The profile is obtained by measuring the pressure-to-flow relation with the blood sample confined in a cylindrical capillary tube and subjected to sinusoidal oscillatory flow near the pulse rate. At low strains, the red cells are largely in random aggregates and at high strains, the cells form layers separated by plasma. The change is accompanied by reduction of both the viscosity and elasticity.

Original languageEnglish (US)
Number of pages1
StatePublished - Jan 1 1998
Externally publishedYes
EventProceedings of the 1998 17th Southern Biomedical Engineering Conference - San Antonio, TX, USA
Duration: Feb 6 1998Feb 8 1998

Other

OtherProceedings of the 1998 17th Southern Biomedical Engineering Conference
CitySan Antonio, TX, USA
Period2/6/982/8/98

ASJC Scopus subject areas

  • Engineering(all)

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