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Jornal de Pediatria
Article . 2007
Data sources: DOAJ
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Calorimetria indireta: uma ferramenta para adequação das necessidades energéticas dos recém-nascidos de muito baixo peso ao nascer Indirect calorimetry: a tool to adjust energy expenditure in very low birth weight infants

Authors: Fernanda V. M. Soares; Maria E. L. Moreira; Andrea D. Abranches; José R. M. Ramos; Saint C. S. Gomes Junior;

Calorimetria indireta: uma ferramenta para adequação das necessidades energéticas dos recém-nascidos de muito baixo peso ao nascer Indirect calorimetry: a tool to adjust energy expenditure in very low birth weight infants

Abstract

OBJETIVO: Verificar o gasto energético de repouso dos recém-nascidos de muito baixo peso ao nascer através da calorimetria indireta. MÉTODOS: Estudo transversal com 29 recém-nascidos de muito baixo peso ao nascer, clinicamente estáveis, recebendo dieta > 100 kcal/kg/dia. A desnutrição foi determinada como todo escore z do peso para idade ≤ -2 DP. A aferição do gasto energético de repouso foi realizada através da calorimetria indireta com o sistema aberto. RESULTADOS: No momento do exame, o peso médio foi de 1.564±393 g, idade corrigida de 35±3 semanas, e a desnutrição estava presente em 62,1%. O valor médio da taxa metabólica basal foi de 57,01±7,76 kcal/kg/dia, maior do que o usado como referência. CONCLUSÃO: O elevado gasto energético de repouso pode estar exercendo um forte impacto no desenvolvimento da desnutrição no período de hospitalização, pois o gasto energético de repouso é o principal componente calórico do gasto energético total.OBJECTIVE: To determine the resting metabolic rate in very low birth weight infants through indirect calorimetry. METHODS:Cross-sectional study including 29 clinically stable very low birth weight infants receiving an enteral diet > 100 kcal/kg/day. Malnutrition was defined as weight-for-age z score ≤ - 2 SD. Resting energy expenditure was measured using open circuit indirect calorimetry. RESULTS: At the time of the examination, mean weight was 1,564±393 g and corrected gestational age was 35±3 weeks. Malnutrition was diagnosed in 62.1% of the preterm infants. The mean resting metabolic rate was 57.01±7.76 kcal/kg/day. CONCLUSION: Since resting energy expenditure is the main caloric component of total energy expenditure, the high resting metabolic rate observed may have a strong impact on the development of malnutrition during hospitalization.

Keywords

calorimetria indireta, indirect calorimetry, pré-termos, Nutrição, Pediatrics, RJ1-570, Nutrition, preterm infant

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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