Document Detail


Early nutritional determinants of intrahepatocellular lipid deposition in preterm infants at term age.
MedLine Citation:
PMID:  23318718     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: We have previously shown that by term age, preterm infants have elevated intrahepatocellular lipid (IHCL) content and altered regional adiposity, both of which are risk factors for cardiometabolic illness in adult life. Preterm nutritional intake is a plausible determinant of these aberrant trajectories of development.
OBJECTIVE: We aimed to establish if macronutritional components of the preterm diet were determinants of IHCL deposition measured at term equivalent age, using (1)H Magnetic Resonance spectroscopy (MRS).
METHODS: Prospective observational case-control study in a single UK neonatal unit. (1)H MR spectra were acquired from 18 preterm infants (<32 weeks gestational age at birth) at term age and 31 healthy term infants, who acted as a control group. Neonatal nutritional information was collected from birth to 34(+6) weeks postmenstrual age.
RESULTS: IHCL (median, interquartile range) was significantly higher in preterm-at-term infants compared with term-born infants: 0.735, 0-1.46 versus 0.138, 0-0.58; P=0.003. In preterm infants, IHCL was positively correlated with lipid intake in the first week of life (r=0.52, P=0.04).
CONCLUSIONS: This study confirms our previous observation of elevated IHCL in preterm infants at term and suggests that early lipid intake may be a determinant. Future work is warranted to establish the clinical relevance and the role of nutritional intervention in attenuating or exacerbating this effect in preterm infants.
Authors:
V Vasu; E L Thomas; G Durighel; M J Hyde; J D Bell; N Modi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2013-01-15
Journal Detail:
Title:  International journal of obesity (2005)     Volume:  37     ISSN:  1476-5497     ISO Abbreviation:  Int J Obes (Lond)     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-04-09     Completed Date:  2013-11-08     Revised Date:  2014-02-20    
Medline Journal Info:
Nlm Unique ID:  101256108     Medline TA:  Int J Obes (Lond)     Country:  England    
Other Details:
Languages:  eng     Pagination:  500-4     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adiposity*
Case-Control Studies
Female
Gestational Age
Great Britain
Hepatocytes / metabolism*
Humans
Infant Nutritional Physiological Phenomena
Infant, Newborn
Infant, Premature / growth & development,  metabolism*
Lipid Metabolism
Magnetic Resonance Spectroscopy
Male
Pregnancy
Prenatal Nutritional Physiological Phenomena
Prospective Studies
Grant Support
ID/Acronym/Agency:
MC_U120061305//Medical Research Council; //Medical Research Council

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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