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[Changes in the gastroduodenal system in chronic nonspecific lung diseases].

Chronic non-specific pulmonary diseases are frequently followed by the development of inflammatory-degenerative and erosive-ulcerative processes in the mucous membrane of the stomach and duodenum. The literature date are presented on the frequency of combination of these conditions, the attempt is made to assess their link from the viewpoint of pathogenesis. Disturbances of respiratory lung function and hypoxia as well as non-respiratory metabolic functions of the pulmonary tissue are regarded as etiological factors of pathological processes in the gastro-duodenal area.