An Exclusively Human Milk-Based Diet Is Associated with a Lower Rate of Necrotizing Enterocolitis than a Diet of Human Milk and Bovine Milk-Based Products

Published:December 28, 2009DOI:https://doi.org/10.1016/j.jpeds.2009.10.040

      Objective

      To evaluate the health benefits of an exclusively human milk–based diet compared with a diet of both human milk and bovine milk–based products in extremely premature infants.

      Study design

      Infants fed their own mothers' milk were randomized to 1 of 3 study groups. Groups HM100 and HM40 received pasteurized donor human milk–based human milk fortifier when the enteral intake was 100 and 40 mL/kg/d, respectively, and both groups received pasteurized donor human milk if no mother's milk was available. Group BOV received bovine milk–based human milk fortifier when the enteral intake was 100 mL/kg/d and preterm formula if no mother's milk was available. Outcomes included duration of parenteral nutrition, morbidity, and growth.

      Results

      The 3 groups (total n = 207 infants) had similar baseline demographic variables, duration of parenteral nutrition, rates of late-onset sepsis, and growth. The groups receiving an exclusively human milk diet had significantly lower rates of necrotizing enterocolitis (NEC; P = .02) and NEC requiring surgical intervention ( P = .007).

      Conclusions

      For extremely premature infants, an exclusively human milk–based diet is associated with significantly lower rates of NEC and surgical NEC when compared with a mother's milk–based diet that also includes bovine milk–based products.
      BOV ( Bovine milk-based human milk fortifier), HMF ( Human milk fortifier), HM40 ( Human milk-based HMF added once feeding volume reached 40 mL/kg/day, and pasteurized donor milk used if no mother's own milk available. ), HM100 ( Human milk-based HMF added once feeding volume reached 100 mL/kg/day and pasteurized donor milk used if no mother's own milk available. ), NEC ( Necrotizing enterocolitis), PN ( Parenteral nutrition), SD ( Standard deviation)

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