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- Title
Fluid restriction versus volume expansion in children with diarrhea-associated HUS: a retrospective observational study.
- Authors
Bonany, Pablo; Bilkis, Manuel D.; Iglesias, Guillermo; Braun, Amalia; Tello, Juliana; Ratto, Viviana; Vargas, Ana; Koch, Emilio; Jannello, Patricia; Monteverde, Ezequiel
- Abstract
Background: Fifty percent of patients with typical diarrhea-associated hemolytic uremic syndrome (D+HUS) require kidney replacement therapy (KRT). In these patients, dehydration worsens disease prognosis. We evaluated dialysis requirement, presence of seizures, and mortality rate among patients diagnosed with D+HUS treated with volume expansion (VE) versus fluid restriction (FR). Methods: Thirty-five patients with D+HUS were enrolled; 16 received VE and 19 were historical patients who received conventional FR. Results: Upon admission or during treatment, neither group presented evidence of fluid overload. The VE group received higher volumes of saline (VE 27 ml/kg [10–30] over a 3-h period vs. FR 0 ml), had higher urine output after 12 h (VE vs. FR: OR 6.2 [1.2–41.6], P = 0.03), and required less dialysis (VE 2 [12.5%, CI 95% 0–29] vs. FR 9 [47.4%, CI 95% 24–70], P = 0.035). The VE group had an absolute risk reduction of 0.34 (CI 95% 0.07–0.63); hence, three patients treated with VE were required to avoid one KRT. VE also corrected initial hyponatremia and maintained serum sodium within normal ranges. No statistical differences were observed regarding number of patients with seizures (P = 0.08) or mortality (P = 1.0). Conclusions: VE markedly reduces the number of patients requiring KRT and keeps serum sodium within a normal range. We propose to initially hydrate every patient with D+HUS and without signs of fluid overload, with 10 ml/kg/h 0.9% saline solution IV, over a 3-h period. Afterwards, if urine output is ≥ 0.5 ml/kg/h, it is recommended to not dialyze and continue IV hydration schedule with isotonic (D5) saline solution, according to their needs.
- Subjects
HEMOLYTIC-uremic syndrome treatment; CONVULSIONS -- Risk factors; RISK factors of spasms; BLOOD plasma substitutes; CONFIDENCE intervals; DEHYDRATION; DIARRHEA; FLUID therapy; HEMOLYTIC-uremic syndrome; HYPONATREMIA; SCIENTIFIC observation; REFERENCE values; RISK management in business; SODIUM; THERAPEUTICS; RETROSPECTIVE studies; INTRAVASCULAR space; DESCRIPTIVE statistics; RENAL replacement therapy; DISEASE complications; DISEASE risk factors; CHILDREN
- Publication
Pediatric Nephrology, 2021, Vol 36, Issue 1, p103
- ISSN
0931-041X
- Publication type
Article
- DOI
10.1007/s00467-020-04673-6