[Viscosimetric characteristics of various membrane filters]

Methodological recommendations for plasma viscosimetry using different paper and polymer filters were elaborated. Standardization of the filters with crystalloid solutions was established to be advisable before plasma viscosity investigation. The viscosimetric characteristics of soviet and foreign filters were compared during work with donor's plasma. As a clinical trial of the method measurements were made of plasma viscosity in patients with virus hepatitis A, who were diagnosed to have the plasma hyperviscosity syndrome. It is recommended that during plasma (serum) viscosimetry, one should employ metal clamps for filters (prolongs) and filters with pores measuring over 0.65 micron in diameter.