Evidence indicates that human milk (HM) is the best form of nutrition uniquely suited not only to term but also to preterm infants conferring health benefits in both the short and long-term. However, HM does not provide sufficient nutrition for the very low birth weight (VLBW) infant when fed at the usual feeding volumes leading to slow growth with the risk of neurocognitive impairment and other poor health outcomes such as retinopathy and bronchopulmonary dysplasia. HM should be supplemented (fortified) with the nutrients in short supply, particularly with protein, calcium, and phosphate to meet the high requirements of this group of babies. In this paper the European Milk Bank Association (EMBA) Working Group on HM Fortification discusses the existing evidence in this field, gives an overview of different fortification approaches and definitions, outlines the gaps in knowledge and gives recommendations for practice and suggestions for future research. EMBA recognizes that “Standard Fortification,” which is currently the most utilized regimen in neonatal intensive care units, still falls short in supplying sufficient protein for some VLBW infants. EMBA encourages the use of “Individualized Fortification” to optimize nutrient intake. “Adjustable Fortification” and “Targeted Fortification” are 2 methods of individualized fortification. The quality and source of human milk fortifiers constitute another important topic. There is work looking at human milk derived fortifiers, but it is still too early to draw precise conclusions about their use. The pros and cons are discussed in this Commentary in addition to the evidence around use of fortifiers post discharge.

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Since few data are available about factors affecting renal maturation especially in the lower gestational ages (G.A.), the aim of this work was to study postnatal renal function in a representative population sample of preterm newborns (G.A.

Human milk confers health benefits of vital importance for the sick and preterm infants in neonatal intensive care units (NICUs). Mother's own milk is the first choice in preterm infant feeding, and every effort should be made to promote lactation. When mother's milk is not available or is insufficient, donor human milk (DHM) is recommended. Yet, occasionally, the concern that the use of DHM might decrease breastfeeding is being raised. The present data collection planned by the Italian Association of Human Milk Banks (AIBLUD) in collaboration with the Italian Neonatal Network (INN) attempted to address this concern. A total of 4277 very low birth weight (VLBW) infants from 83 Italian NICUs were evaluated for this comparative analysis. The 83 Italian NICUs were divided into two groups: centers with a human milk bank (HMB) and centers without a HMB; the available parameters in the network--"any and exclusive breastfeeding rates" and "exclusive formula rate" at discharge--were compared. Exclusive breastfeeding rate at discharge was significantly higher in NICUs with a HMB than in NICUs without (29.6% vs. 16.0%, respectively). Any breastfeeding rate at discharge tended to be higher in the NICUs with HMB (60.4% vs. 52.8%, P = 0.09), and exclusive formula rate was lower in the NICUs with HMB (26.5% vs. 31.3%), but this difference was not significant. This report shows that the presence of a HMB and the use of DHM in NICU are associated with increased breastfeeding rate at discharge from the hospital for VLBW infants.

Background: In the current SARS-Coronavirus-2 (SARS-CoV-2) pandemic little is known about SARS-CoV-2 in human milk. It is important to discover if breast milk is a vehicle of infection. Objective: Our aim was to look for the presence of SARS-CoV-2 RNA in the milk of a group of SARS-CoV-2 positive mothers from NorthWest Italy. Methods: This is a prospective collaborative observational study where samples of human milk from 14 breastfeeding mothers positive for SARS-CoV-2 were collected. A search of viral RNA in breast milk samples was performed by RT-PCR (Real-Time reverse-transcriptase-Polymerase-Chain-Reaction) methodology tested for human milk. All the newborns underwent a clinical follow up during the first month of life or until the finding of two sequential negative swabs. Results: In 13 cases the search for SARS-CoV-2 RNA in milk samples resulted negative and in one case it was positive. Thirteen of the 14 newborns were exclusively breastfed and closely monitored in the first month of life. Clinical outcome was uneventful. Four newborns tested positive for SARS-CoV-2 and were all detected in the first 48 h of life, after the onset of maternal symptoms. Also the clinical course of these 4 infants, including the one who received mother's milk positive for SARS-CoV-2, was uneventful, and all of them became SARS-CoV-2 negative within 6 weeks of life. Conclusion: Our study supports the view that SARS-CoV-2 positive mothers do not expose their newborns to an additional risk of infection by breastfeeding.