Influence of feeding types during the first months of life on calciuria levels in healthy infants: a secondary analysis from a randomized clinical trial.
PBN-AR
Instytucja
Instytut "Pomnik - Centrum Zdrowia Dziecka"
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Annals of Nutrition and Metabolism (25pkt w roku publikacji)
ISSN
0250-6807
EISSN
1421-9697
Wydawca
DOI
URL
Rok publikacji
2017
Numer zeszytu
2
Strony od-do
132-139
Numer tomu
70
Identyfikator DOI
Liczba arkuszy
Autorzy
(liczba autorów: 12)
Pozostali autorzy
+ 10
Słowa kluczowe
en
calciuria
feeding type
infants
protein intake
Streszczenia
Język
angielski
Treść
Background/Aims: Dietary factors can modify calciuria. We aim to investigate urinary calcium excretion in healthy infants according to their protein. Methods: Secondary data analysis from a randomized clinical trial where healthy term infants were randomized after birth to a higher (HP) or lower (LP) protein content formula that was consumed until age 1 year. A non-randomized group of breastfed (BF) infants was used for reference. Anthropometry, dietary intakes and calciuria (calcium/creatinine ratios) from spot urine samples were assessed at ages 3 and 6 months. At 6 months, the kidney volumes were assessed using ultrasonography, and the serum urea and creatinine levels were determined. Results: BF infants showed the highest calciuria levels, followed by the HP and the LP groups (p < 0.001 for all comparisons). Either protein intakes or formula types modulated the calciuria in linear regression models adjusted for other influencing dietary factors. The usual cut-off values classified 37.8% (BF), 16.8% (HP) and 4.9% (LP) of the infants as hypercalciuric. Conclusions: Feeding types during the first months of life affect calciuria, with BF infants presenting the highest levels. We propose new cut-off values, based on feeding types, to prevent the overestimation in hypercalciuria diagnoses among BF infants.
Cechy publikacji
original-article
Inne
System-identifier
0000016821
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