[Status of the protective mucous barrier of the stomach after organ-sparing operations for duodenal ulcer].

A protective mucous barrier of the stomach was studied in 153 patients with duodenal ulcer disease. Before the operation in 70 patients, decrease in concentration of protective factors of gastric mucus, especially in complicated form of ulcer disease was noted. More complete restoration of a protective barrier was noted after organ-preserving operations with excision of ulcerous substrate (in 54 patients) than after those without its excision (in 29).

[Organ-preserving operations in the treatment of retroampullary duodenal ulcers].

The authors treated 106 patients with retroampullary duodenal ulcer. Resections were performed in 16, the organ-preserving operations--in 89 patients. In 58 (64.