小于胎龄儿的总能量消耗
Total energy expenditure in small for gestational age infants.
作者信息
Davies P S, Clough H, Bishop N J, Lucas A, Cole J J, Cole T J
机构信息
School of Human Movement Studies, Faculty of Health, Brisbane, Queensland 4059, Australia.
出版信息
Arch Dis Child Fetal Neonatal Ed. 1996 Jul;75(1):F46-8. doi: 10.1136/fn.75.1.f46.
OBJECTIVE
To measure total energy expenditure and body composition in small for gestational age (SGA) infants, to investigate hypermetabolism.
METHODS
A cross-sectional study was performed in 52 small for gestational age (SGA) measured at 5 weeks of age, using existing data from appropriate for gestational age (AGA) infants as controls. The doubly-labelled water technique was used to assess both total energy expenditure and body composition in both cohorts of infants.
RESULTS
Multiple regression analysis revealed that expressing energy expenditure per kg fat free mass adjusts for body composition in infants of this age. Regression analysis also showed that the relation between total energy expenditure and fat free mass differed between the two groups.
CONCLUSION
These data indicate that for a given fat free mass, the total energy expenditure of SGA infants is greater than that of AGA infants. Such data should be taken into account when energy requirements for SGA infants are being considered.
目的
测量小于胎龄儿（SGA）的总能量消耗和身体成分，以研究代谢亢进情况。
方法
对52名5周龄的小于胎龄儿进行横断面研究，将来自适于胎龄儿（AGA）的现有数据用作对照。采用双标记水技术评估两组婴儿的总能量消耗和身体成分。
结果
多元回归分析显示，以每千克去脂体重表示能量消耗可校正该年龄段婴儿的身体成分。回归分析还表明，两组之间总能量消耗与去脂体重的关系有所不同。
结论
这些数据表明，对于给定的去脂体重，小于胎龄儿的总能量消耗高于适于胎龄儿。在考虑小于胎龄儿的能量需求时应考虑这些数据。
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