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Relationship between plasma levels of factor VIII related antigen and reticulo-endothelial function in chronic uremia
The plasma levels of factor VIII related antigen (F VIIIR:Ag; determined by rocket electrophoresis) and reticulo-endothelial function (measured by means of the removal kinetics of human albumin millimicrospheres) were studied in a group of patients with chronic renal failure. F VIIIR:Ag plasma levels were increased, median 304% (interquartile ranges 211-443%) compared to the controls, median 112% (interquartile ranges 100-144%); P less than 0.01. Reticulo-endothelial function was decreased, median 8.3 micrograms/min/kg body wt (interquartile ranges 6.2-10.1 micrograms/min/kg body wt) compared to the controls, median 15.0 micrograms/min/kg body wt (interquartile ranges 11.9-19.0 micrograms/min/kg body wt); P less than 0.02. A significant inverse relationship was found between plasma levels of F VIIIR:Ag and the reticulo-endothelial function rs = 0.075; P less than 0.01). As the main site of catabolism of F VIIIR:Ag is the reticulo-endothelial system, the impairment of its function appears to be a possible explanation for the elevated plasma levels of the F VIIIR:Ag found in patients with end stage renal disease.
The plasma levels of factor VIII related antigen (F VIIIR:Ag; determined by rocket electrophoresis) and reticulo-endothelial function (measured by means of the removal kinetics of human albumin millimicrospheres) were studied in a group of patients with chronic renal failure. F VIIIR:Ag plasma levels were increased, median 304% (interquartile ranges 211-443%) compared to the controls, median 112% (interquartile ranges 100-144%); P less than 0.01. Reticulo-endothelial function was decreased, median 8.3 micrograms/min/kg body wt (interquartile ranges 6.2-10.1 micrograms/min/kg body wt) compared to the controls, median 15.0 micrograms/min/kg body wt (interquartile ranges 11.9-19.0 micrograms/min/kg body wt); P less than 0.02. A significant inverse relationship was found between plasma levels of F VIIIR:Ag and the reticulo-endothelial function rs = 0.075; P less than 0.01). As the main site of catabolism of F VIIIR:Ag is the reticulo-endothelial system, the impairment of its function appears to be a possible explanation for the elevated plasma levels of the F VIIIR:Ag found in patients with end stage renal disease.