Infant nutrition (donor human milk vs. maternal milk) and long-term neurodevelopmental and growth outcomes in very low birth weight infants

医学 儿科 新生儿重症监护室 母乳 出生体重 回顾性队列研究 低出生体重 队列 队列研究 头围 怀孕 内科学 遗传学 生物化学 生物 化学
作者
Raza Bajwa,Muppala Raju,Vinayak Govande,Martha Hemingway,Kendall Hammonds,Niraj Vora
出处
期刊:Journal of Maternal-fetal & Neonatal Medicine [Informa]
卷期号:35 (25): 10025-10029 被引量:3
标识
DOI:10.1080/14767058.2022.2086794
摘要

Human milk, the ultimate source of nutrition for premature infants, enhances host defense mechanism, gastrointestinal maturation, lowers infection rate, improves neurodevelopmental outcomes, and reduces long-term cardiovascular and metabolic disease. Recently, there has been an increase in donor breast milk (DBM) use for premature infants; however, data are limited on the long-term effects of DBM on the infant's growth and neurodevelopmental outcomes.To determine if there is an association between type of infant nutrition (maternal breast milk (MBM) or DBM) and neurodevelopmental and growth outcomes in very low birth weight (VLBW) infants.Retrospective cohort study of VLBW (<1500 g) infants admitted to the Baylor Scott & White Memorial Hospital Neonatal Intensive Care Unit from January 2014 to December 2016. Infants with major congenital anomalies, born at an outside hospital, who were nil per os (NPO) for >15 days, or who died before NICU discharge were excluded. Infants were stratified into two groups (MBM or DBM) based on predominant nutrition (>50%) received in the first month of life. Primary outcomes of neurodevelopmental delay(s) between 2 and 4 years of age identified via ICD 9/10 codes. Growth data (weight, length, and head circumference) were obtained from well-check visits at 12-, 18-, 24-, 36-, and 48-months. Severity of illness was determined using the Clinical Risk Index in Babies-II (CRIB-II) score. Generalized linear models were used to assess the relationship between nutrition and neurodevelopmental delay and trends in growth over time.Two hundred and nine infants were included: 146 MBM; 63 DBM. Median gestational age was 28 weeks (range, 23-35) and median birthweight was 1050 g (range, 410-1470). There were no significant differences in birthweight, gestational age, CRIB-II score, or length of stay between the groups. Infants fed DBM had a significantly larger weight z-score (p=.005), length z-score (p=.01), and head circumference z-score (p=.04), on average from birth to 48 months compared to MBM infants, while controlling for NICU length of stay and number of follow-up months; however, this only equated to DBM infants being 0.5 in taller and 0.9 lbs heavier at 48 months. There were no statistically significant differences among type of infant nutrition and long-term neurodevelopmental outcomes, while controlling for CRIB-II score.Infants fed DBM have a slightly greater propensity for growth over time compared to infants fed MBM. Longer follow-up is needed to further determine the effect, infant nutrition has on neurodevelopmental outcomes.
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