Background: Oropharyngeal administration of colostrum (OAC) may provide immunoprotective and anti-inflammatory effects that potentially reduce the incidence of necrotizing enterocolitis (NEC) and late-onset sepsis and improve short-term outcomes. Our objective was to evaluate the role of OAC in the early prevention of NEC and late-onset sepsis in preterm infants with gestational age (GA) ≤ 32 weeks.
Methods: A pilot, single-center, 1:1 parallel randomized controlled trial was conducted in a 40-bed tertiary neonatal intensive care unit (NICU) in China from 1 January 2019 to 30 September 2020. Preterm infants were randomly divided into two groups with GA ≤ 32 weeks. The OAC group included preterm infants who received 0.4 ml of maternal colostrum via the oropharyngeal route every 3 h for 10 days beginning within the first 48 h after birth, and the control group included preterm infants who received normal saline instead. Data from the two groups were collected and compared.
Results: A total of 127 infants in the OAC group and 125 infants in the control group were enrolled. The incidence of NEC (Bell stage 2 or 3) and late-onset sepsis were lower in the OAC group [2.36% vs. 10.40%, relative risk (RR) 0.23 (95% confidence interval (CI) 0.07, 0.78), adjusted RR 0.23 (95% CI 0.06, 0.84); 4.72% vs. 13.60%, RR 0.35 (95% CI 0.14, 0.85), adjusted RR 0.36 (95% CI 0.14, 0.95)]. In addition, the incidence of proven sepsis and intraventricular hemorrhage (IVH) (stage 3 or 4) were lower in the OAC group [2.36% vs. 8.80%, RR 0.27 (95% CI 0.08, 0.94); 1.57% vs. 7.20%, RR 0.22 (95% CI 0.05, 0.99)], and the time to achieve full enteral feeding was shorter (23.13 ± 9.45 days vs. 28.50 ± 14.80 days). No adverse reactions were observed in either group.
Conclusions: Oropharyngeal administration of colostrum is a safe and simple NICU procedure that may yield a potential effect in decreasing the incidences of NEC, late-onset sepsis, and severe IVH and shorten the time to achieve full enteral feeding in preterm infants with GA ≤ 32 weeks.
Trial Registration: Chinese Clinical Trial Registry, ChiCTR1900023697 , Registered 8 June 2019, retrospectively registered.
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| http://dx.doi.org/10.1186/s13006-021-00408-x | DOI Listing |
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