Abstract
The hepatic clearance ofd-sorbitol, a natural polyol which is metabolized by the liver, was studied in normal and cirrhotic subjects after bolus intravenous injection (2 g) and during constant infusion (54 mg/min) with the aim of providing a noninvasive and simple measure of functional liver plasma flow. The high hepatic extraction ofd-sorbitol and the dose-independence of its clearance pointed to a flow-dependent clearance regimen. The renal excretion was taken into account when computing the hepatic clearance. Day-today reproducibility of the test was good. No significant difference was found when the hepatic clearance was measured by bolus injection or constant infusion methods. As measured by the bolus injection method, the mean (±sd) hepatic clearance in the normal subjects (911±137 ml/min) was significantly greater (P<0.001) than that of the cirrhotics (456±181 ml/min).
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This study was partially supported by grants from Consiglio Nazionale Ricerche (84.01760.04) and Ministero Pubblica Istruzione (2.12.2).
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Molino, G., Cavanna, A., Avagnina, P. et al. Hepatic clearance ofd-sorbitol. Digest Dis Sci 32, 753–758 (1987). https://doi.org/10.1007/BF01296143
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DOI: https://doi.org/10.1007/BF01296143