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  • Title: [Osmotic homeostasis and blood rheology in patients in the acute period of ischemic cerebral infarction].
    Author: Gusev EI, Chukanova EI, Iasamanova AN.
    Journal: Zh Nevropatol Psikhiatr Im S S Korsakova; 1990; 90(7):12-6. PubMed ID: 2175076.
    Abstract:
    The authors describe the role of changes in osmotic homeostasis and hemorheology in the pathogenesis of ischemic brain stroke. 48 patients experiencing an acute period of ischemic brain stroke were examined. For this purpose the following methods were employed: measurements of blood, urine and CSF osmolality by Knauer osmometer; glucose and urea by the enzymatic assay; blood electrolytes by flame photometer; aggregation of platelets, red blood cells, blood viscosity, fibrinogen, hematocrit; the ethanol test, and thromboelastography. The data obtained demonstrate that the unfavorable prognostic signs may include steady and increasing hyperosmia, rise of the mmol discriminant of osmolality to over 35-40 mOsm/l, a progressive decrease of the rheological blood parameters and of colloid-osmotic pressure together with a progressive reduction of the urine/blood osmolality, which points to the rupture of the compensation for osmotic homeostasis and decompensation for the functional system regulating the blood aggregation state.
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