Whyte R K, Sinclair J C, Bayley H S, Campbell D, Singer J
Acta Paediatr Acad Sci Hung. 1982;23(1):85-98.
The objective of this paper is to review approaches to the determination of the energy cost of growth in premature infants. Two approaches are compared: one based on the composition of weight gain, and one based on the determination of energy balance. Data are lacking on the composition of weight gained by the premature infant after birth, while the composition of fetal weight gain and its energy cost can be calculated from data on fetal body composition. These calculations show that energy storage amounts to less than 8.4 kJ/g weight gain below a body weight of 2 kg; the total energy cost of growth is less than 10.5 kJ/g. Estimates twice as high have been obtained from energy balance studies of growing premature infants and older infants. We conclude that the energy cost of growth in premature infants is still uncertain and requires further study.
本文的目的是综述确定早产儿生长能量消耗的方法。比较了两种方法：一种基于体重增加的组成，另一种基于能量平衡的测定。目前缺乏关于早产儿出生后体重增加组成的数据，而胎儿体重增加的组成及其能量消耗可根据胎儿身体组成数据计算得出。这些计算表明，体重低于2 kg时，能量储存量低于8.4 kJ/g体重增加；生长的总能量消耗低于10.5 kJ/g。从对生长中的早产儿和较大婴儿的能量平衡研究中得到的估计值是这个值的两倍。我们得出结论，早产儿生长的能量消耗仍不确定，需要进一步研究。
