Factors influencing calcium deficit in children and adolescents

Revista Romana de PEDIATRIE | Volumul LXII, Nr. 1, An 2013

ISSN 1454-0398 | e-ISSN 2069-6175
ISSN-L 1454-0398
DOI: 10.37897/RJP

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E. Cîrdeiu and Dana Teodora Anton Păduraru

ABSTRACT

Calciu, the most abundant mineral in the body, is a real nutriment. Its homeostasis involvesthe parathyroid hormone, serum vitamin D level, calcium sensing receptos and vitamin D receptors. The authors present data on calcium and vitamin D intake in infants, children and adolescents, as well as nutritional factors leading to fecal and urinary calcium loss: excess fat, salt, oxalate, phytate, meat, cocoa, coffee. The genetic factor, represented by vitamin D receptors in bone, influences the number of polymorphisms and phenotypic polymorphism 70-80% of the individual bone density, even if dietary intake of calcium is adequate.

Key words: calcium deficiency, involoved factors, child

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