Growth and metabolic outcome in adolescents born preterm (GROWMORE): follow-up protocol for the Newcastle preterm birth growth study (PTBGS)

BMC Pediatrics

Nicholas D Embleton⁴  Michael I Trenell²  Kieren G Hollingsworth²  Mark S Pearce⁴  Richard J Cooke¹  Caroline L Relton⁵  Timothy D Cheetham⁶  S Murthy Korada³  Robert J Tinnion⁴  Claire L Wood³ 

[1] Newcastle Neonatal Service, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK;Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK;Child Health, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK;Institute of Health and Society, Newcastle University, Newcastle upon Tyne, UK;MRC Integrative Epidemiology Unit, School of Social and Community Medicine, University of Bristol, Bristol, UK;Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, UK

关键词: Magnetic resonance spectroscopy;    Metabolic outcomes;    Childhood growth;    Insulin sensitivity;    Preterm birth;   

Others  :  1144031
DOI  :  10.1186/1471-2431-13-213

 received in 2013-08-29, accepted in 2013-12-03,  发布年份 2013

【 摘 要 】

Background

Preterm infants represent up to 10% of births worldwide and have an increased risk of adverse metabolic outcomes in later life. Early life exposures are key factors in determining later health but current lifestyle factors such as diet and physical activity are also extremely important and provide an opportunity for targeted intervention.

Methods/Design

This current study, GROWMORE, is the fourth phase of the Newcastle Preterm Birth Growth Study (PTBGS), which was formed from two randomised controlled trials of nutrition in early life in preterm (24–34 weeks gestation) and low birthweight infants. 247 infants were recruited prior to hospital discharge. Infant follow-up included detailed measures of growth, nutritional intake, morbidities and body composition (Dual X Ray Absorptiometry, DXA) along with demographic data until 2 years corrected age. Developmental assessment was performed at 18 months corrected age, and cognitive assessment at 9–10 years of age. Growth, body composition (DXA), blood pressure and metabolic function (insulin resistance and lipid profile) were assessed at 9–13 years of age, and samples obtained for epigenetic analysis. In GROWMORE, we will follow up a representative cohort using established techniques and novel metabolic biomarkers and correlate these with current lifestyle factors including physical activity and dietary intake. We will assess auxology, body composition (BODPOD™), insulin resistance, daily activity levels using Actigraph™ software and use ³¹P and ¹H magnetic resonance spectroscopy to assess mitochondrial function and intra-hepatic lipid content.

Discussion

The Newcastle PTBGS is a unique cohort of children born preterm in the late 1990’s. The major strengths are the high level of detail of early nutritional and growth exposures, and the comprehensive assessment over time. This study aims to examine the associations between early life exposures in preterm infants and metabolic outcomes in adolescence, which represents an area of major translational importance.

【 授权许可】

   
2013 Wood et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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