Associations between growth and childhood body composition in very preterm, late preterm and term children.

IF 2.4 4区医学 Q1 PEDIATRICS

Acta Paediatrica Pub Date : 2024-12-09 DOI:10.1111/apa.17534

David A Nyakotey, Greg D Gamble, Christopher J D McKinlay, Frank H Bloomfield, Jane E Harding

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引用次数: 0

Abstract

Aim: To determine how gestational age at birth and postnatal growth relate to body composition in childhood.

Methods: We calculated conditional growth (birth-2 years, 2 years-6 years) and measured body composition at 2 and 6 years using bioelectrical impedance in cohorts of New Zealand children born very preterm (VPT; 23-31 weeks), late preterm (LPT; 35- <37 weeks) and term (≥37 weeks). We explored the relationships between growth and fat mass (FM) index and fat-free mass (FFM) index at 6 years using multivariable linear regression.

Results: Of 1125 children (51% male), 202 were VPT, 114 LPT and 809 Term. Compared to Term, VPT but not LPT were lighter and shorter at 2 and 6 years and had lower FM index and FFM index. The association between weight growth from 2 to 6 years and both FM index and FFM index at 6 years was stronger than for weight growth from birth to 2 years or height growth at any period in all gestational age groups.

Conclusions: Size and body composition at 2 and 6 years are different between infants born VPT, but not LPT, and at term. Later weight growth is more strongly associated with childhood body composition than earlier growth.

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极早产儿、晚期早产儿和足月儿童的生长与儿童身体组成之间的关系。

目的：确定出生时胎龄和出生后生长与儿童时期身体成分的关系。方法：我们计算条件生长（出生-2岁，2 -6岁），并在2岁和6岁时使用生物电阻抗测量新西兰早产儿(VPT；23-31周)，晚期早产(LPT；结果：1125例患儿（51%男性）中，VPT 202例，LPT 114例，Term 809例。与Term相比，VPT在2岁和6岁时较轻，较短，FM指数和FFM指数较低，而LPT则没有。2 ~ 6岁体重增长与6岁FM指数和FFM指数的相关性强于出生~ 2岁体重增长和各胎龄组任何时期的身高增长。结论：VPT出生的婴儿2岁和6岁时的体型和身体组成不同，而LPT出生的婴儿和足月时的体型和身体组成不同。较晚的体重增长与儿童时期的身体成分的关系比较早的体重增长更为密切。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Paediatrica 医学-小儿科

CiteScore

6.50

自引率

5.30%

发文量

384

审稿时长

2-4 weeks

期刊介绍： Acta Paediatrica is a peer-reviewed monthly journal at the forefront of international pediatric research. It covers both clinical and experimental research in all areas of pediatrics including: neonatal medicine developmental medicine adolescent medicine child health and environment psychosomatic pediatrics child health in developing countries