Abstract
Background
Early administration of colostrum may provide preterm infants with immune components. Previous studies illustrating the effects of oral colostrum (OC) have been confounded by the coincidence of enteral feedings.
Objective
To quantify OC absorption, as measured by urinary sIgA and lactoferrin, in preterm infants prior to enteral feedings.
Materials and methods
Colostrum was obtained from mothers delivering infants ≤32 weeks and ≤1500 g. sIgA and lactoferrin were measured in infant urine, and microflora in saliva and tracheal aspirates were characterized.
Results
Urinary sIgA and lactoferrin were significantly greater in infants receiving OC by syringe compared to swab (p < 0.002). Urinary sIgA correlated with the total number of doses in 72 h (R2 = 43%, p < 0.01).
Conclusions
Administration of OC by syringe and higher cumulative dose are associated with increased absorption of sIgA and lactoferrin, and early dosing may contribute to a more diverse tracheal microbiome.
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Maffei, D., Brewer, M., Codipilly, C. et al. Early oral colostrum administration in preterm infants. J Perinatol 40, 284–287 (2020). https://doi.org/10.1038/s41372-019-0556-x
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DOI: https://doi.org/10.1038/s41372-019-0556-x
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