The growth retardation of preterm LBW infants in the neonatal intensive care unit continues to pose challenges. Relevant factors other than gestational age include intrauterine growth restriction, severe chronic lung disease, and poor nutrition.
Although human milk contains contagious agents and authorities do not recommend giving other mother's milk as a substitute for OMM, other mother's milk is still a choice in NICU in Japan. Many neonatologists, however, would prefer a safer alternative, that is, DHM obtained from an accredited HMB. A well-regulated HMB should be established and safe DHM should be available for all preterm infants if necessary.
We report a case who was born with extremely low birth weight infant and had experienced abdominal operation for necrotizing enterocolitis, eventually developed ileus due to fatty acid calcium stones after giving human milk fortifier. He had developed necrotizing enterocolitis on day 30 of his age, such that we performed enterectomy and ileostomy. He could not tolerate enteral feeding fully, because intestinal fistula infection was repeated. Although we administered hindmilk, he grew up slowly and he suffered cholestasis as well. We performed end-to-end anastomosis to prevent fistula infections on day 87. After this operation, breast milk feeding volume was increased easily. However, we started to add HMF of half-strength on day 124, because his body weight gain remained very poor. And we confirmed to intensify the ratio of HMF full-strength on day 128. After that his abdomen had distended on day 131. As there is no effect of conservative therapy to occlusive ileus, we did emergency laparotomy on day 139. Intestinal calculi were impacted at anastomic portion. Although all stones were removed, he died on 144 days due to disseminated intravascular coagulation and renal failure. Calculi analysis revealed that all of them were fatty acid calcium stones. There is no report about like our case. We speculate that the construction of fatty acid calcium result from either high concentration of calcium/phosphorus or rapid increase in the fortification. We could have prevented this case happened by slower increment of fortification.
Breast milk (BM) is the main source of human cytomegalovirus (HCMV) infection. We examined whether the number of HCMV DNA copies in BM is related to HCMV infection in very low birth weight (VLBW) infants. We identified 11 pairs of VLBW infants and mothers. BM samples were collected every week until 10 weeks postpartum. Urine samples were collected from the infants within 1 week, at 6 to 8 weeks, at discharge, and whenever HCMV infection was suspected. HCMV DNA in BM was positive in 7 of 11 mothers and reached a peak at 4 to 5 weeks postpartum. Of the 11, 5 infants were determined to be infected from positive HCMV DNA in the urine, despite the fact that BM was used after being frozen. Of the five, four infected infants exhibited symptoms between 35 and 60 days of age. Symptomatic infants had longer stays and slower weight gain. The HCMV infection rate is high in very preterm infants. A new strategy to prevent HCMV infection other than freezing should therefore be established.
Birthweight SD score, gestational age, and cord serum adiponectin levels are significant predictors of BMI Z-score gain from birth to 3 years of age in Japanese infants.
For preterm and very low birthweight infants, the mother’s own milk is the best nutrition. Based on the latest information for mothers who give birth to preterm and very low birthweight infants, medical staff should encourage and assist mothers to pump or express and provide their own milk whenever possible.
If the supply of maternal milk is insufficient even though they receive adequate support, or the mother’s own milk cannot be given to her infant for any reason, donor human milk should be used.
Donors who donate their breast milk need to meet the Guideline of the Japan Human Milk Bank Association.
Donor human milk should be provided according to the medical needs of preterm and very low birthweight infants, regardless of their family’s financial status.
In the future, it will be necessary to create a system to supply an exclusive human milk‐based diet (EHMD), consisting of human milk with the addition of a human milk‐derived human milk fortifier, to preterm and very low birthweight infants.
Background/Aims: This study aimed to investigate total adiponectin (T-Ad) and high-molecular-weight adiponectin (HMW-Ad) levels in preterm infants at term-equivalent age and to assess the relationship between adiponectin levels and early postnatal growth. Methods: The study included 43 term infants and 58 preterm infants born at 34 weeks' gestation or less. T-Ad and HMW-Ad levels were measured in the preterm infants at birth and at term-equivalent age, and in the term infants at birth. Adiponectin levels were statistically compared between preterm and term infants to evaluate the association between postnatal growth and changes in the adiponectin levels in preterm infants. Results: The T-Ad levels were higher and the ratio of HMW-Ad to T-Ad (HMW%) was lower in preterm infants at term-equivalent age than in term infants. Further, body weight SD score changes were positively associated with T-Ad and HMW-Ad increases in preterm infants from birth to term-equivalent age. The HMW% changes had a negative association only with HMW% in cord blood. Conclusion: Preterm infants have altered adiponectin levels at term-equivalent age. Further, postnatal growth may contribute to adiponectin increases from birth to term-equivalent age, although HMW% changes might be regulated before birth at least up to term-equivalent age in preterm infants.
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