PubMed · 14892199
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1951. NARRATIVE record--a nursing tool.. https://pubmed.ncbi.nlm.nih.gov/14892199/
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Maillard products, such as Nepsilon-carboxymethyllysine (CML), are readily formed during the manufacturing of infant formulas. Little has been known, however, about the presence of CML in human breast milk and about the uptake of CML by infants. In this study, CML was measured in the serum and breast milk of 32 healthy mothers by ELISA. CML concentrations in breast milk (137 +/- 82.7 ng/mL) were significantly lower than in the serum (399 +/- 67.8 ng/mL, p < 0.001) and on average 35-fold lower than in infant formulas (4754 +/- 4299.5 ng/mL). CML was also measured in the urine of 21 infants, which were fed with breast milk or formulas. Although there was a tendency toward higher urinary CML excretion in infants fed with hypoallergenic formulas compared to breast-fed ones, the differences were not significant. Neonates that were delivered by vaginal birth had significantly higher concentrations of CML compared to those delivered by caesarean section (1306 +/- 653 vs 601 +/- 220 ng/mL, p = 0.012). It is concluded that CML passes from the serum into the breast milk, but the levels are by far lower than in infant formulas. In very young neonates (< or =3 days), the mode of delivery has a greater influence on urinary CML excretion than the nutrition.
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OBJECTIVE: To describe feeding patterns during first two years of life and their relation to sociodemographic factors. DESIGN: Longitudinal study. SETTING: Prague, Czech Republic. SUBJECTS: Ninety-seven full-term healthy singletons enrolled at maternity ward, of which 90.7% completed the study. METHODS: Diet was assessed at 9, 12 and 24 months of age using a structured 3-day dietary record. Additional information was obtained from questionnaires completed at birth and at 6 months. RESULTS: The median duration of exclusive breastfeeding was 5 months, and that of total breastfeeding 9 months. Breastfeeding rate 47.4% at 9 months declined to 4.5% at 24 months. Total duration of breastfeeding was positively associated with maternal education and marital status but not with maternal age, gender or birth order. Breastfeeding frequency at 9, 12 and 24 months was 4.8, 4 and 3.7, respectively. The complementary food feeding frequency increased significantly with age (4.5, 4.7 and 5.9 times per day, respectively). All children at any age point consumed fruits, cereal and milk products. The proportion of children consuming meat and vegetables had increased with age but between ages 9 and 24 months, at least 23-38% children did not consume vegetables daily and 28-40% did not consume foods from meat/fish/poultry/eggs group daily. The proportion of children consuming milk and foods associated with the early complementary feeding period had fallen with age while the consumption of cereal foods other than porridge had increased. Values of indicators of adequate complementary feeding practices tentatively suggested in the context of WHO expert consultation had closely reflected breastfeeding rates. CONCLUSIONS: Breastfeeding duration is shorter than WHO recommends. It is influenced by maternal education and marital status. Compliance with complementary feeding recommendations is relatively good. Continued promotion of healthy infant and young child feeding practices is needed. Indicators evaluating complementary feeding practices should assess breastfeeding separately from other aspects. SPONSORSHIP: Ministry of Health, 1st Faculty of Medicine, Charles' University of Prague.