alexa Creatinine clearance predicted from body cell mass is a good indicator of renal function.


Journal of Environmental & Analytical Toxicology

Author(s): Donadio C, Lucchesi A, Tramonti G, Bianchi C, Donadio C, Lucchesi A, Tramonti G, Bianchi C

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Abstract The aim of this study was to evaluate the agreement between the glomerular filtration rate (GFR) and an estimate of creatinine clearance (CCr), calculated from the values of body cell mass (BCM) and of plasma creatinine (PCr), thus avoiding urine collection. The value of BCM was obtained from the measurement of total body impedance in 80 renal patients. The relationship between 24-hour urinary creatinine excretion and BCM was evaluated in 30 of these patients. Body cell mass CCr (ml/min) was then calculated in each of the remaining 50 patients. For comparison, 24-hour CCr was measured in the same patients. The correlation coefficient of BCM CCr with GFR was 0.961, while that of 24-hour CCr with GFR was 0.869. Also, the agreement with GFR was better for BCM CCr than for 24-hour CCr. In conclusion, creatinine clearance predicted from body cell mass and plasma creatinine is a better indicator of renal function than measured 24-hour creatinine clearance.
This article was published in Kidney Int Suppl and referenced in Journal of Environmental & Analytical Toxicology

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