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Administering labelled water to exclusively breast-fed infants in studies involving stable isotope techniques

Nielsen, S.B. and Wells, J.C. and Slater, C. and Fewtrell, M.S. and Reilly, John J (2011) Administering labelled water to exclusively breast-fed infants in studies involving stable isotope techniques. Isotopes in Environmental and Health Studies, 47 (1). pp. 18-25. ISSN 1025-6016

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Abstract

Stable isotope techniques using deuterium or 18O are reference methods for assessing total body water (TBW) for body composition. In combination, they provide total energy expenditure and human milk intake in exclusively breast-fed (EBF) infants. These techniques require an oral administration of an accurately quantified dose of labelled water to infants, who often have no prior experience of consuming water. In the present study, 18O labelled water was administered to 47 EBF infants at two time points. Route of administration, duration of dosing and spills were quantified and recorded. Eighty-seven out of 94 (92.6%) dose administrations were successful. In two-thirds of dose administrations,>90% of the prepared dose was consumed. Spills ranged from 0.2% to 57%. Approaches to correct for spills can introduce bias in the calculation of TBW. Minimising and recording all dose spills is an important issue for the accuracy and precision of stable isotope techniques, when applied to EBF infants.

Item type:Article
ID code:32009
Keywords:body composition, breast-fed infants, doubly-labelled water, total body water, stable isotope tracer techniques, Public health. Hygiene. Preventive Medicine, Environmental Science(all), Environmental Chemistry, Inorganic Chemistry
Subjects:Medicine > Public aspects of medicine > Public health. Hygiene. Preventive Medicine
Department:Faculty of Humanities and Social Sciences (HaSS) > School of Psychological Science and Health > Physical Activity for Health
Depositing user: Pure Administrator
Date deposited:17 Nov 2011 15:34
Last modified:03 Jan 2019 12:59
URI:https://strathprints.strath.ac.uk/id/eprint/32009
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