Blood viscosity - A comparative study on three rotational instruments

Article type: Research Article

Authors: Ernst, E. | Monshausen, Ch. | Matrai, A.

Affiliations: Hemorheological Research Laboratory Clinic for Physical Medicine, University of Munich, 8000 Munchen 2,ZiemssenstraBe 1, FRG

Note: [] Accepted by: Editor J.C. Healy

Abstract: Three rotational viscometers for blood viscometry were compared at moderate and high shear. At high shear, coefficients of variation were all around 1% increasing 5-fold (Wells-Brookfield) and 3-fold (Carri-Med) when shear was lowered. Using pathological samples the coefficients of variation for the Carri Med mashine was doubled. Only the Contraves LS-30 viscometer showed neither an increasing coefficient of variation with declining shear, nor problems when measuring blood with suspension instability.

Keywords: blood viscometry, viscometers, reliability, methods, comparison

DOI: 10.3233/BIR-1985-22602

Journal: Biorheology, vol. 22, no. 6, pp. 471-475, 1985