Acta paediatrica (Oslo, Norway : 1992) · 2007
Improved vitamin A supplementation regimen for breastfed very low birth weight infants.
Клиническое исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Aurvåg Anne K, Henriksen Christine, Drevon Christian A, Iversen Per O, Nakstad Britt
Аннотация
OBJECTIVE: Preterm infants usually have low retinol status at birth and at discharge from hospital. We have evaluated a new protocol designed to improve plasma retinol in very low birth weight infants (VLBW, birth weight < 1500 g).
DESIGN: An open intervention trial was conducted in which vitamin A was given in a human milk fortifier. The daily dose of vitamin A varied according to bodyweight and was given mixed with human milk instead of as a bolus. Blood samples were collected at inclusion and at discharge from hospital. Plasma was analyzed for retinol using high-performance liquid chromatography. The daily intake of vitamin A and plasma retinol concentration was compared with the vitamin protocol normally used in Norwegian hospitals.
RESULTS: Sixty VLBW infants were included and 53 completed the study. At discharge from hospital, the reference group had lower median plasma retinol concentrations compared to the modified group (0.30 microM vs. 0.49 microM, p = 0.008). Fewer infants in the modified group had plasma retinol levels below 0.35 microM (indicating reduced hepatic stores) compared to infants in the reference group (44% vs. 69%, p = 0.04).
CONCLUSION: The modified protocol improved plasma retinol levels at discharge compared to the reference protocol.
DESIGN: An open intervention trial was conducted in which vitamin A was given in a human milk fortifier. The daily dose of vitamin A varied according to bodyweight and was given mixed with human milk instead of as a bolus. Blood samples were collected at inclusion and at discharge from hospital. Plasma was analyzed for retinol using high-performance liquid chromatography. The daily intake of vitamin A and plasma retinol concentration was compared with the vitamin protocol normally used in Norwegian hospitals.
RESULTS: Sixty VLBW infants were included and 53 completed the study. At discharge from hospital, the reference group had lower median plasma retinol concentrations compared to the modified group (0.30 microM vs. 0.49 microM, p = 0.008). Fewer infants in the modified group had plasma retinol levels below 0.35 microM (indicating reduced hepatic stores) compared to infants in the reference group (44% vs. 69%, p = 0.04).
CONCLUSION: The modified protocol improved plasma retinol levels at discharge compared to the reference protocol.