Impact of energy deficit during hospitalization and biomarkers at admission on clinical outcomes in critically ill children: A longitudinal study.

Clin Nutr ESPEN

Universidade Federal do Rio de Janeiro, Instituto de Nutrição Josué de Castro, Programa de Pós-graduação em Nutrição, Programa de Pós-graduação em Nutrição Clínica, Brazil.

Published: August 2019

Background & Aims: To evaluate the impact of energy deficit during hospitalization and the biomarkers albumin and C-reactive protein (CRP) on the clinical outcomes length of stay (LOS) and duration of mechanical ventilation (DMV) in children and adolescents admitted to the pediatric intensive care unit (PICU) of a private hospital in Rio de Janeiro.

Methods: A longitudinal, retrospective study was conducted of the medical records of patients admitted to the PICU from May 2016 to June 2017 who received enteral nutrition (EN) for 72 h or longer. The cut-off points for serum albumin and CRP were set at ≥3.5 and <2.0, respectively. The energy balance was calculated as the difference between the energy prescribed and the energy received by the patient. The comparison of continuous variables related to LOS and DMV was assessed using Student's t-test and the Mann-Whitney test. The significance value was set at p < 0.05.

Results: Ninety-three patients were selected, with a median age of 32 (±39.49) months. The mean serum albumin and CRP levels were 4.04 (±0.59) and 4.67 (±7.40), respectively. In linear regression models adjusted for length of stay, reduced albumin, increased CRP, and negative energy balance were positively associated. In the models adjusted to DMV, the values for reduced albumin and increased CRP were significant.

Conclusion: A significant association was found between serum albumin and CRP at admission and the outcomes under investigation, LOS and DMV. Energy deficit was also associated with LOS.

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http://dx.doi.org/10.1016/j.clnesp.2019.04.011DOI Listing

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