ENERGY REQUIREMENTS OF CRITICALLY ILL NEWBORNS

极低出生体重儿的最佳营养尚未确定 已经成立了。目前的体重增加建议是基于 在不知道确切能量需求的情况下子宫增殖率 这些婴儿。对两个早产儿都施加了额外的压力。 足月儿高于稳定的同龄人。正因为如此，那里 普遍的共识是，这些婴儿的能量消耗 相应地增加了。目前评估这一问题的研究有 重点放在较年长的慢性机械通气婴儿身上，而不是 疾病的急性期。虽然一些研究表明有一种趋势是 新陈代谢需求增加，其他人则认为目前的方法 计算能源消耗是不够的，而且可能高估了 需要。我们建议在足月和早产时衡量总能源消耗。 婴儿使用双标记水法。我们假设 患病早产儿和足月儿的能量消耗将大于 他们稳定的同行。我们希望更准确地评估 这些婴儿的能量消耗和所获得的信息 根据以下因素构建更合适的能量摄入建议 胎龄和有无疾病

Optimal nutrition for the very low birthweight infant has yet to be established. Current recommendations for weight gain are based on in utero accretion rates without knowledge of exact energy requirements in these infants. Additional stressors are placed on both the ill preterm and term infants above their stable counterparts. Because of this, there has been a general consensus that the energy expenditure of these infants is correspondingly increased. Current studies to evaluate this issue have focused on older chronically ventilated infants rather then infants in the acute stages of illness. While some studies suggest a trend toward increased metabolic requirements, others suggest that current methods of calculating energy expenditure are inadequate and may be overestimating needs. We propose to measure total energy expenditure in term and preterm infants using the doubly labeled water method. We hypothesize that the energy expenditure of ill preterm and term infants will be greater than that of their stable counterparts. We hope to more accurately assess the energy expenditure of these infants and with the information obtained structure more appropriate recommendations for energy intake based on gestational age and presence or absence of illness