breastfeeding patterns and infant body composition · 2018. 12. 18. · • eshia moodley-govender...
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Anna CoutsoudisDept. Paediatrics & Child Health
University KwaZulu-Natal, DurbanSouth Africa
Breastfeeding patterns and infant body composition
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Study Site: Cato Manor, Durban, South Africaa disadvantaged semi-urban community with high HIV prevalence
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Study Population –measuring breastmilk output and EBF
100 mother – infant pairs
Time points: infant age of: 6 weeks; 3 months; 6 months.
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Deuterium Dilution dose-to-mother (DTM) technique
By this technique determine volume breastmilk as well as other feeds that infant takes in and can therefore determine exclusivity of breastfeeding.
Can also determine total body water in the mother and therefore her fat and fat-free mass.
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Deuterium Dilution dose-to-infant technique to measure infant’s body composition at 12 months of age.
• Saliva sampled from infant.• Infant drinks a small amount of
deuterium.• Saliva sampled from infant
after 2.5 hours• Deuterium enrichment
measured using FTIR
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RESULTS
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1. Confirmed previous reports that maternal recall over-estimates EBF rates and therefore confirms value of DTM technique when an objective measurement is needed to explore associations with biological processes egbody composition
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2. Both HIV-infected and uninfected mothers produced adequate amounts of breastmilk in the first year of life and the outputs in both groups were similar.
Mulol H & Coutsoudis A: Breastfeeding Medicine 2016
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3. Although relatively high human milk intake volumes were observed, there was no significant change in fat-free mass observed in the mothers regardless of HIV status.
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4. Infants who were exclusively breastfed for six months had a significantly higher % fat-free/muscle mass at 12 months.
Mulol H & Coutsoudis A: Maternal & Child Nutrition 2016
Infant EBF 6 months
Non-EBF 6 months
P-value
% Fat-free mass
83.3 77.3 P<0.025
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Conclusions 1. Objective evidence that 6 months of EBF is associated with higher fat-free/muscle mass in infants at 12 months of age, and therefore provides additional impetus for breastfeeding promotion including EBF in the first 6 months of life.
2. No deleterious effects of breastfeeding on HIV- infected women - supports recent guidelines for HIV- infected mothers to follow similar guidelines to HIV- uninfected women.
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Acknowledgements• Helen Mulol (PhD student funded through a
IAEA doctoral scholarship programme)• Eshia Moodley-Govender (post-doc) – funded
through an IAEA training fellowship - Mark Manary Lab
• Breastfeeding Counselling Trainer: Penny Reimers
• Mothers and infants who participated in the study.
• Study Counsellors: Gcinile Maphanga, KhanyiNzama, Zanele Ndala, Queeneth Mathe.
• IAEA for funding equipment and consumables for all these studies.
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Another example of value of using DTM technique to examine association of % EBF and stool sample mRNA markers of gut inflammation in 6 month old infants
Moodley-Govender E, et al. Breastfeeding Med 2015
An association was found between higher % of human milk intake (% exclusivity) and lower gut inflammatory markers.