Abstract
This review summarizes recent data on the correlation of somatic constitution and portal hypertension.Somatotype reflects the constitutional composition of the human body. Excess endomorphic component (i.e. obesity) increases the risk of portal hypertension (PH - elevated pressure in the portal system above 12 mmHg) development. Among the prehepatic and posthepatic PH causes only congestive hepatopathy, a consequence of heart failure, is connected with obesity. A number of pathways connect the hepatic PH causes with obesity. Firstly, the action of proinflammatory cytokines produced by adipose tissue in greater amount in obesity promotes fatty acid uptake and storage by hepatocytes, leading to elevated oxidative stress and metabolic dysfunctions, activation of stellate cells, that differentiate into myofibroblasts and produce components of the intercellular matrix such as collagen into the perisinusoidal space resulting in fibrosis. Secondly, insulin resistance associated with obesity promotes dysfunction of the hepatic microcirculatory blood vessels, hyperlipidemia and liver steatosis. Thirdly, AMISS (Absence of Meal-induced Insulin Sensitization Syndrome), caused by regular high-carbohydrate and low-protein food consumption, manifested in decreased postprandial secretion of hepatic hormone hepatalin, which increases glucose uptake by skeletal and cardiac muscle, results in prolonged postprandial hyperglycemia, compensatory hyperinsulinemia and hyperlipidemia, leading to increased insulin resistance and a prediabetic state, associated with steatohepatosis. Thus, excess endomorphic component is to be regarded as a prognostic factor for portal hypertension.
Published Version
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