[Factors that determine the high blood viscosity syndrome in rheumatoid arthritis patients].

High blood viscosity is a syndrome that may be attributed to a group of the most important disorders of microcirculation under different pathological conditions of the body. The given syndrome manifests itself by disorders of red blood cell deformability (RBCD), high plasma and whole blood viscosity. 32 patients with a verified diagnosis of rheumatoid arthritis (RA) were examined, showing varying activity and systemic manifestations.