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Pediatr Nephrol ; 37(2): 433-441, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34386851

RESUMO

BACKGROUND: In critically ill children with acute kidney injury (AKI), continuous kidney replacement therapy (CKRT) enables nutrition provision. The magnitude of amino acid loss during continuous venovenous hemodiafiltration (CVVHDF) is unknown and needs accurate quantification. We investigated the mass removal and clearance of amino acids in pediatric CVVHDF. METHODS: This is a prospective observational cohort study of patients receiving CVVHDF from August 2014 to January 2016 in the pediatric intensive care unit (PICU) of a tertiary children's hospital. RESULTS: Fifteen patients (40% male, median age 2.0 (IQR 0.7, 8.0) years) were enrolled. Median PICU and hospital lengths of stay were 20 (9, 59) and 36 (22, 132) days, respectively. Overall survival to discharge was 66.7%. Median daily protein prescription was 2.00 (1.25, 2.80) g/kg/day. Median daily amino acid mass removal was 299.0 (174.9, 452.0) mg/kg body weight, and median daily amino acid mass clearance was 18.2 (13.5, 27.9) ml/min/m2, resulting in a median 14.6 (8.3, 26.7) % protein loss. The rate of amino acid loss increased with increasing dialysis dose and blood flow rate. CONCLUSION: CVVHDF prescription and related amino acid loss impact nutrition provision, with 14.6% of the prescribed protein removed. Current recommendations for protein provision for children requiring CVVHDF should be adjusted to compensate for circuit-related loss. A higher resolution version of the Graphical abstract is available as Supplementary information.


Assuntos
Injúria Renal Aguda , Terapia de Substituição Renal Contínua , Hemodiafiltração , Aminoácidos , Criança , Pré-Escolar , Estado Terminal/terapia , Feminino , Hemodiafiltração/efeitos adversos , Hemodiafiltração/métodos , Humanos , Masculino , Estudos Prospectivos , Diálise Renal
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