Aim: The study of the clinical course and metabolic disorders in patients nonalcoholic fatty liver disease (NAFLD) elderly.

Subjects And Methods: 153 patients with NAFLD was investigated, including 97 men and 56 women. In comparative terms we studied clinical manifestations of NAFLD. All patients NAFLD was verified for the first time. We studied the functional state of the liver function, lipid, carbohydrate and porphyrin metabolism, insulin resistance.

Results: Revealed comorbid pathology, which is predominantly observed in elderly patients. Disturbances in lipid metabolism and insulin resistance hyperinsulinemiya and proved to be more significant in young patients. Disorders of porphyrin metabolism observed in most patients. Disorders are variable. Do young people have dominated the initial disorder, on the other hand more often in elderly patients were observed faction (later) porphyrin metabolism disorders.

Conclusion: Studies suggest that the main pathophysiologic and pathogenetic processes of formation of NAFLD (insulin resistance and dyslipidemia) significantly more pronounced in younger patients. This fact suggests that NAFLD is mainly formed at a young age. Elderly patients have comorbid pathology.

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