[Characteristics of atherosclerotic lesion of the abdominal aorta and its unpaired visceral branches in patients with chronic abdominal ischemia].

Aim: To study characteristics of echocardiographically detectable structural changes of the abdominal major arteries due to atherosclerosis with consideration of clinical symptoms.

Material And Methods: 174 participants of the study had chronic abdominal ischemia (CAI). 20 healthy individuals served as control.

[Principles of current classification of duodenitis].

The paper considers the principles of classification of chronic duodenitis. The current classification of chronic duodenitis may be divided into three parts: endoscopic, histological, and etiological. The characterizing terms of the endoscopic part are as follows: erythema, hemorrhages, atrophy, erosions, follicles.

[Identification of Helicobacter Pylori in stomach contents].

Development of noninvasive methods for the diagnosis of Helicobacter pylori infection is an important problem. We investigated the possibility of detecting the bacterium in gastric juice. Noninvasive methods (bacteriological and urease test) for detection of H.