Creatinine and urea clearances compared to inulin clearance in preterm and mature babies

1965, Lancet, ii, 276 Barratt, 1974, Assessment of renal function in children, Vol. 4, 181 Barratt, 1982, Commentary on evaluation of a height/plasma creatinine formula in the measurement of glomerular filtration rate, Arch. Dis. Child., 57, 614, 10.1136/adc.57.8.614 Biereus de Haas, 1972, Creatinine in serum and plasma (direct microdetermination by kinetics) Boyd, 1935 Chaney, 1962, Modified reagents for determination of urea and ammonia, Clin. Chem., 8, 130, 10.1093/clinchem/8.2.130 Cook, 1975, Factors influencing the assay of creatinine, Ann. Clin. Biochem., 12, 219, 10.1177/000456327501200162 Coulthard, 1983, Comparison of methods of measuring renal function in preterm babies using inulin, J. Pediatr., 102, 923, 10.1016/S0022-3476(83)80026-2 Coulthard, 1984, Weight as the best standard for glomerular filtration in the newborn, Arch. Dis. Child., 59, 373, 10.1136/adc.59.4.373 Counahan, 1976, Estimation of glomerular filtration rate from plasma creatinine concentration in children, Arch. Dis. Child., 51, 875, 10.1136/adc.51.11.875 Davies, 1982, Clinical limitations of the estimation of glomerular filtration rate from height/plasma creatinine ratio: A comparison with simultaneous 51Cr-edetic acid slope clearance, Arch. Dis. Child., 57, 607, 10.1136/adc.57.8.607 Doolan, 1962, A clinical appraisal of the plasma concentration and endogenous clearance of creatinine, Am. J. Med., 32, 65, 10.1016/0002-9343(62)90183-3 Mellanby, 1974, 1840 Morris, 1982, Evaluation of height/plasma creatinine formula in the measurement of glomerular filtration rate, Arch. Dis. Child., 57, 611, 10.1136/adc.57.8.611 Roe, 1949, A photometric method for the determination of inulin in plasma and urine, J. Biol. Chem., 178, 839, 10.1016/S0021-9258(18)56901-5 Schwartz, 1976, A simple estimate of glomerular filtration rate in children derived from body length and plasma creatinine, Pediatrics, 58, 259 Spitzer, 1978, Renal physiology and functional development, Vol. I, 25 Stonestreet, 1979, Validity of endogenous creatinine clearance in low birthweight infants, Pediat. Res., 13, 1012, 10.1203/00006450-197909000-00013 Stoten, 1968, A micromethod for creatinine using resin to remove interfering substances, J. Med. Lab. Technol., 25, 240 Sutphen, 1982, Anthropometric determinants of creatinine excretion in preterm infants, Pediatrics, 69, 719 Zacchello, 1982, Simple estimate of creatinine clearance from plasma creatinine in neonates, Arch. Dis. Child., 57, 297, 10.1136/adc.57.4.297