ArticlePediatric nephrology (Berlin, Germany)2014
Urinary excretion of calcium, magnesium, phosphate, citrate, oxalate, and uric acid by healthy schoolchildren using a 12-h collection protocol.
Article in Pediatric nephrology (Berlin, Germany), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Urinary excretion of calcium, phosphate, magnesium, and uric acid in healthy infants and young children. Influence of feeding practices in early infancy.Pediatric nephrology (Berlin, Germany) · 2024Article
- Urinary minerals excretion among primary schoolchildren in Dubai-United Arab Emirates.PloS one · 2021Article
- Urinary supersaturation on fractioned urine collections: which urine sample can explain better the variability observed on 24-h urine? A proof-of-concept study.Urolithiasis · 2020Observational
- Urinary stone risk factors in the descendants of patients with kidney stone disease.Pediatric nephrology (Berlin, Germany) · 2018Article
- Urinary oxalate to creatinine ratios in healthy Turkish schoolchildren.Renal failure · 2017Article
- Urinary excretion of calcium, magnesium, phosphate, citrate, oxalate, and uric acid by healthy schoolchildren using a 12-h collection protocol.Pediatric nephrology (Berlin, Germany) · 2014Article
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Authors and funding
7 authors.
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Abstract
backgroundImproving knowledge about normal urine composition in children is important for early prevention of lithiasis. We describe urinary excretion values of calcium (Ca), magnesium (Mg), phosphate (P), citrate (Cit), uric acid (Ur), and oxalate (Ox) in healthy children with and without a family history of lithiasis, using a 12-h urine collection protocol.
methodsUrine samples were obtained from 184 children (5-12 years): a spot sample collected in the afternoon, and a 12-h overnight sample. Solute/creatinine (Cr) and 12-h solute excretion was calculated.
resultsUrinary excretion values of the studied solutes are presented as percentile values, separately for each type of sample. Due to age-related differences in the solute/creatinine ratios, except for Ca and Cit, results are described according to the child's age. The presence of excretion values related to an increased risk of lithiasis was more common in children with a family history.
conclusionsWe report data from urine samples collected by using a simplified collection protocol. The observed differences between children with and without a family history of lithiasis could justify that in population studies aimed at setting reference values, the former are excluded.
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