Journal
ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE
Volume 165, Issue 10, Pages 884-889Publisher
AMER MEDICAL ASSOC
DOI: 10.1001/archpediatrics.2011.152
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Funding
- Doris Duke Clinical Research Fellowship
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Objectives: To determine if interventions during the prehemolytic uremic syndrome (HUS) diarrhea phase are associated with maintenance of urine output during HUS. Design: Prospective observational cohort study. Settings: Eleven pediatric hospitals in the United States and Scotland. Participants: Children younger than 18 years with diarrhea-associated HUS(hematocrit level <30% with smear evidence of intravascular erythrocyte destruction), thrombocytopenia (platelet count < 150 x 10(3)/mm(3)), and impaired renal function (serum creatinine concentration > upper limit of reference range for age). Interventions: Intravenous fluid was given within the first 4 days of the onset of diarrhea. Outcome Measure: Presence or absence of oligoanuria (urine output <= 0.5 mL/kg/h for > 1 day). Results: The overall oligoanuric rate of the 50 participants was 68%, but was 84% among those who received no intravenous fluids in the first 4 days of illness. The relative risk of oligoanuria when fluids were not given in this interval was 1.6 (95% confidence interval, 1.1-2.4; P = .02). Children with oligoanuric HUS were given less total intravenous fluid (r = -0.32; P = .02) and sodium (r = -0.27; P = .05) in the first 4 days of illness than those without oligoanuria. In multivariable analysis, the most significant covariate was volume infused, but volume and sodium strongly covaried. Conclusions: Intravenous volume expansion is an underused intervention that could decrease the frequency of oligoanuric renal failure in patients at risk of HUS.
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