Hypocomplementemia and leukocytosis in diarrhea-associated hemolytic uremic syndrome. 1992

W L Robson, and A K Leung, and G H Fick, and A I McKenna
Department of Pediatrics, University of Calgary, Alta., Canada.

Sixty-eight children with diarrhea-associated hemolytic uremic syndrome (D+HUS) were retrospectively examined to assess clinical variables associated with the combination of leukocytosis and hypocomplementemia. There was a statistically significant association between the white blood cell count (WBC) and the level of the third component of the complement system (C3). Children with both a low C3 and a high WBC were significantly younger and required hospitalization for a significantly longer period of time. Although there were also trends to increases in the presence of anuria and central nervous system complications and in the duration of anuria, elevated WBC, thrombocytopenia, dialysis, and hemorrhagic colitis in children with both an elevated WBC and a low C3, these changes did not achieve statistical significance. The presence of a low C3 and an elevated WBC may indicate a subset of children with D+HUS with a more severe episode.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007964 Leukocytosis A transient increase in the number of leukocytes in a body fluid. Pleocytosis,Leukocytoses,Pleocytoses
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003092 Colitis Inflammation of the COLON section of the large intestine (INTESTINE, LARGE), usually with symptoms such as DIARRHEA (often with blood and mucus), ABDOMINAL PAIN, and FEVER. Colitides
D003176 Complement C3 A glycoprotein that is central in both the classical and the alternative pathway of COMPLEMENT ACTIVATION. C3 can be cleaved into COMPLEMENT C3A and COMPLEMENT C3B, spontaneously at low level or by C3 CONVERTASE at high level. The smaller fragment C3a is an ANAPHYLATOXIN and mediator of local inflammatory process. The larger fragment C3b binds with C3 convertase to form C5 convertase. C3 Complement,C3 Precursor,Complement 3,Complement C3 Precursor,Complement Component 3,Precursor-Complement 3,Pro-C3,Pro-Complement 3,C3 Precursor, Complement,C3, Complement,Complement, C3,Component 3, Complement,Precursor Complement 3,Precursor, C3,Precursor, Complement C3,Pro C3,Pro Complement 3
D003181 Complement C4 A glycoprotein that is important in the activation of CLASSICAL COMPLEMENT PATHWAY. C4 is cleaved by the activated COMPLEMENT C1S into COMPLEMENT C4A and COMPLEMENT C4B. C4 Complement,C4 Complement Component,Complement 4,Complement C4, Precursor,Complement Component 4,Pro-C4,Pro-complement 4,C4, Complement,Complement Component, C4,Complement, C4,Component 4, Complement,Component, C4 Complement,Pro C4,Pro complement 4
D003967 Diarrhea An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present. Diarrhea is not hyperdefecation or increased fecal weight. Diarrheas
D006463 Hemolytic-Uremic Syndrome A syndrome that is associated with microvascular diseases of the KIDNEY, such as RENAL CORTICAL NECROSIS. It is characterized by hemolytic anemia (ANEMIA, HEMOLYTIC); THROMBOCYTOPENIA; and ACUTE RENAL FAILURE. Gasser's Syndrome,Gasser Syndrome,Gassers Syndrome,Hemolytic Uremic Syndrome,Syndrome, Hemolytic-Uremic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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