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Nutritional intake and growth in very low birth weight infants: a comparison of standardized versus parent-led
Melanie Gsoellpointner1, Margarita Thanhaeuser2, Margit Kornsteiner-Krenn2
1Department of Neonatology, Kepler University Hospital, Johannes Kepler University, Linz, Austria.
Insights
Complementary feeding (CF) strategies for very low birth weight (VLBW) infants show varied nutrient intake but similar growth outcomes. Standardized feeding increased iron and zinc, while parent-led feeding boosted protein, fat, and fatty acids.
Area of Science:
- Neonatal nutrition
- Infant growth and development
- Pediatric gastroenterology
Background:
- The complementary feeding (CF) period is crucial for nutrient intake in very low birth weight (VLBW) infants.
- Optimal nutrition during CF supports growth and development in VLBW infants.
Purpose of the Study:
- To compare nutrient intake and growth between a standardized, protocol-driven CF approach and a non-standardized, parent-led CF approach in VLBW infants.
- To identify differences in nutritional intake and their potential impact on growth in VLBW infants.
Main Methods:
- Comparison of two CF strategies in VLBW infants (<1500g birth weight).
- Standardized group followed an age-dependent protocol using commercial baby foods.
- Non-standardized group used parent-led feeding without restrictions; nutritional intake assessed via 3-day records.
Main Results:
- Non-standardized group had higher intakes of protein, fat, arachidonic acid, and docosahexaenoic acid.
- Standardized group showed higher iron and zinc intake from 6 months corrected age.
- Despite nutritional differences, infant growth was similar between both CF strategy groups.
Conclusions:
- Complementary feeding approaches significantly impact nutrient intake in VLBW infants.
- Individualized CF strategies may be necessary to meet specific nutritional needs.
- Further research can guide optimal feeding practices for VLBW infants.
Abstract:
The complementary feeding (CF) period is critical for ensuring adequate nutrient intake to support optimal growth in very low birth weight (VLBW) infants. This analysis compares nutritional intake and growth across two CF strategies: a standardized, protocol-driven approach and a non-standardized, parent-led approach. Both cohorts included infants with a birth weight <1500 g. The standardized group followed an age-dependent CF protocol utilizing commercial baby jars, whereas the non-standardized cohort practiced parent-led feeding without dietary restrictions. Nutritional intake was assessed using 3-day dietary records. Infants in the non-standardized study had significantly higher intakes of protein, fat, arachidonic and docosahexaenoic acid, while the standardized cohort showed higher iron and zinc intakes from 6 months corrected age onwards. Despite nutritional differences, growth was similar between cohorts. This comparison demonstrates notable differences in nutrient intake between CF approaches and may guide individualized strategies to support the nutritional needs of VLBW infants. Clinical trial registration: Randomized, standardized study: ClinicalTrials.gov: NCT01809548. Non-standardized, prospective study: ClinicalTrials.gov: NCT02936219.
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