Glucocorticoid and mineralocorticoid hormones in chronic liver diseases.

Overview

In patients with chronic liver disease a dissociation of the two most important partial functions of the adrenal cortex may be observed. A widening of the zona glomerulosa is associated with an increased aldosterone secretion and an atrophy of the zona fasciculata with a decreased cortisol production rate. In acute alcoholic liver damage there are sometimes remarkable special features concerning the adrenal function. The pathogenesis of the altered C21-steroid hormone metabolism is nonuniform and depends upon the etiology of the liver disease. Following factors may play role: 1. Decreased activity of specific hepatic enzymes a)direct enzyme damage b)indirect enzyme activity decreasing processed by deficiency of hydrogen from NADPH 2. Decreased hepatic blood flow 3. Disturbance of intracellular transport of substrates (e.g. cholestasis 4. Changes of transport proteins. 5. Direct or reactive changes of other factors of hormonal feedback systems (hypothalamus-pituitary-adrenal or gonadal-system; renin-angiotensin-aldosterone-system).