Calorimetria indireta: uma ferramenta para adequaˋˋo das necessidades energ谷ticas dos rec谷m-nascidos de muito baixo peso ao nascer

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

来源：Jornal de Pediatria, 2007.

DOI：10.1590/S0021-75572007000800015

• nutrition
• indirect calorimetry
• preterm infant.

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 %26gt; 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.