Evidence of the Intact Hepatocyte Theory in Alcoholic Cirrhosis
1989
To improve our understanding of the predominant operational model involved in the decreased clearance in cirrhosis, hepatic clearance, the extraction ratio of indocyanine green, and liver plasma flow were estimated in cirrhosis, either with a method based on the Fick principle or with a pharmacokinetic method assuming a bicompartmental plasma elimination of the dye. The two methods gave similar values for clearance. In contrast, the pharmacokinetic analysis gave significantly (p < 0.01) lower hepatic plasma flow values and significantly (p < 0.01) higher extraction values than those obtained with the reference (Fick principle) method. The main finding of this work is that in these cirrhotic patients, as in normal subjects, ‘cellular’ extraction estimated by the pharmacokinetic method is in the range of 0.60480, whereas the extraction by the entire liver, assessed by the reference method, is low. In chronic liver diseases such as cirrhosis these data support the predominance of the intact hepatocyte theory...
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