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The influence of a cooked-meat meal on estimated glomerular filtration rate

Preiss, David J.; Godber, Ian M.; Lamb, Edmund J.; Dalton, R. Neil; Gunn, Ian R.

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2007-01

10/chqx5q

PMID: 17270090

Abstract:

BACKGROUND: Chronic kidney disease (CKD) is an important but under-recognized condition. Recent national guidelines have recommended that biochemistry laboratories report estimated GFR (eGFR) to improve diagnosis of CKD and facilitate disease staging and management. Previous reports have suggested that intake of large amounts of cooked meat can lead to a significant increase in serum creatinine concentration. METHODS: Participants (n = 32), consisting of 17 healthy volunteers and 15 outpatients, were recruited. Measurement of serum creatinine (kinetic Jaffe method, enzymatic, isotope-dilution mass spectrometry [IDMS]) and cystatin C, and calculation of eGFR were carried out before (i) and after a meal containing cooked meat (ii) and a meat-free meal (iii). RESULTS: Following intake of cooked meat, median serum creatinine concentration (kinetic Jaffe) increased from 80.5 micromol/L preprandially to 101.0 micromol/L 1-2 h postprandially (P<0.0001), and 99.0 micromol/L 3-4 h postprandially (P<0.0001). Median eGFR decreased from 84.0 mL/min/1.73 m2 preprandially to 59.5 mL/min/1.73 m2 1-2 h postprandially (P<0.0001), and 64.0 mL/min/1.73 m2 3-4 h postprandially (P

Automatic Tags

Female; Humans; Male; Middle Aged; Diet, Vegetarian; Biomarkers; Creatinine; Meat; Postprandial Period; Glomerular Filtration Rate; Cooking

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