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Hyperglucagonaemia in Cirrhosis. Relationship to Hepatocellular Damage

Overview
Journal Diabetologia
Specialty Endocrinology
Date 1980 Aug 1
PMID 7418964
Citations 6
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Abstract

Plasma glucagon and growth hormone concentrations were measured fasting and after oral glucose in 19 patients with portal vein block with extensive portal-systemic shunting but minimal liver cell damage, 11 cirrhotic patients and 12 matched control subjects. Portal vein block patients and controls had similar fasting glucose and glucagon levels (glucose 3.8 +/- 0.1 mmol/l VS control 3.4 +/- 0.1 mmol/l (mean +/- SEM); glucagon 57.5 +/- 9.1 pg/ml VS control 51.3 +/- 7.8 pg/ml). Cirrhotic patients were hyperglycaemic (cirrhosis 4.3 +/- 0.2 mmol/l VS control 3.4 +/- 0.1 mmol/l, p < 0.01) with significantly elevated glucagon levels (167.3 +/- 61.1 pg/ml VS control 51.3 +/- 7.8 pg/ml, p < 0.05), which suppressed towards control values after oral glucose. There was no correlation between fasting plasma glucagon levels and the degree of portal-systemic shunting in cirrhotic patients. There was a strong correlation between fasting plasma glucagon concentrations and aspartate transaminase levels (r = 0.68; p < 0.01) in cirrhotic and portal vein block patients. Significant elevations of growth hormone were seen only in cirrhotic patients. It is concluded that hyperglucagonaemia is a feature of hepatocellular damage rather than portal-systemic shunting but the relationship between elevated glucagon and growth hormone concentrations and carbohydrate intolerance in cirrhosis remains unclear.

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