The use of plasma creatinine concentration for estimating glomerular filtration rate in infants, children, and adolescents

G. J. Schwartz, L. P. Brion, A. Spitzer

Research output: Contribution to journalArticle

1294 Citations (Scopus)

Abstract

The formula GFR = kL/Pcr can be used to estimate GFR in infants, children, and adolescents who have grossly normal body habitus and are in steady-state condition. GFR is expressed in ml/min per 1.73m2 BSA, L represents body length in cm. Pcr represents plasma creatinine concentration in mg per dl and k is a constant of proportionality that reflects the relationship between urinary creatinine excretion and units of body size. The value of k varies as a function of age and sex being 0.33 in preterm infants, 0.45 in full-term infants, 0.55 in children and adolescent girls, and 0.70 in adolescent boys. The advantages of rapid determination, reasonable accuracy, and the avoidance of urine collection justify the use of this formula in pediatric patients.

Original languageEnglish (US)
Pages (from-to)571-590
Number of pages20
JournalPediatric Clinics of North America
Volume34
Issue number3
StatePublished - 1987

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Glomerular Filtration Rate
Creatinine
Urine Specimen Collection
Body Size
Premature Infants
Pediatrics

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

The use of plasma creatinine concentration for estimating glomerular filtration rate in infants, children, and adolescents. / Schwartz, G. J.; Brion, L. P.; Spitzer, A.

In: Pediatric Clinics of North America, Vol. 34, No. 3, 1987, p. 571-590.

Research output: Contribution to journalArticle

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