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Nephron. 1995;70(4):421-4.

Creatinine clearance: an inadequate marker of renal filtration in patients with early posthepatitic cirrhosis (Child A) without fluid retention and muscle wasting.

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Department of Pediatrics, Seconda Università degli Studi, Naples, Italy.


Glomerular filtration rate (GFR) was measured in 19 patients with Child A liver cirrhosis by comparing the endogenous creatinine clearance with inulin clearance. Inulin clearance averaged 90 +/- 4.4 ml/min x 1.73 m2, while creatinine clearance averaged 122 +/- 7 ml/min x 1.73 m2 (p < 0.001). The overestimation of GFR by creatinine was present in 18 of 19 patients and was inversely correlated with inulin clearance (r = -0.452, p < 0.04). The data point to the unsuitability of creatinine as a marker of filtration in early posthepatitic cirrhosis (Child A).

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