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  • Title: [Hemorrheologic disorders of red cells in subjects at risk for atherosclerosis].
    Author: Craveri A, Tornaghi G, Paganardi L, Ranieri R, Di Bella M, Gallo E.
    Journal: Minerva Med; 1987 Jul 15; 78(13):893-8. PubMed ID: 3601134.
    Abstract:
    Cigarette smoking, hypercholesterolaemia, hypertriglyceridaemia, are all known risk factors for atherosclerotic vascular lesions. Often they are associated with alterations mainly due to increased haematocrit (smoking) or to the influence of triglycerides and cholesterol on the erythrocyte membrane or plasma viscosity. In order to eliminate these factors, washed red blood cells, poor in leucocytes and platelets, in a suspension with phosphate saline buffer were studied. 20 heavy smokers, 40 patients with hyperlipidaemia (26 II a or b; 14 IV) and 50 healthy people were considered. Red blood cell viscosity was calculated at 4 shear rate between 0.37 and 69.5 sec-1. Red blood cell deformability, as an indicator of cell filtration through Nucleopore membranes was also studied. There was no difference in the filtration index among the subjects under study. Red blood cell viscosity increased in smokers and in patients with hyperlipidaemia.
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