[Proteolytic activity in the stomach in duodenal ulcer].

An analysis of results of studying proteolytic activity in the stomach of patients with ulcer of the duodenum with the help of an installation "Ferment-2MT" has shown the method to be undoubtedly objective. A direct relation between the clinical course of the disease and proteolytic activity in the stomach before and after the operative treatment has been established. Correlation of the proteolytic activity in the stomach with the gastric acid secretion has been found. The authors consider that the determination of the proteolytic activity in the stomach gives the information which can be used for the determination of indications to operative treatment, choice of the operative method and the assessment of effectiveness of the surgical treatment of the disease.