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Biomedical subjects

M A Rozhavin

Publications and source records attributed to M A Rozhavin.

At least 19 recordsLinked to original sources

[Diagnosis of Campylobacter pylori based on the level of urea in the gastric juice].

Comparison of urea levels in 3 portions of gastric juice, obtained on an empty stomach, basal, and stimulated, from 28 patients, C. pylori carriers, and 20 patients without C. pylori carriership, has shown that the presence of this bacterium in the gastric mucosa is related not so much with a decrease in the absolute level of urea in the portion collected on an empty stomach but mostly with changes in this parameter in three portions of gastric juice collected in succession. Decreased urea levels in the second portion as against the first one or in the third one as against the two previous ones were detected in 97% of patients with C. pylori carriership. In 100% of patients without C. pylori carriership urea levels in the three portions remained unchanged or were decreasing. The method for measuring urea levels in three portions of gastric juice is recommended for the diagnosis of C. pylori carriership in gastroduodenal diseases.

Campylobacter Infections↗

[Assessment of methods of rapid diagnosis of Campylobacter pylori in duodenal ulcers].

A study of diagnostic value of the Campylobacter pylori test as well as microbiological, bacteriological and biochemical findings in 134 patients with gastroduodenal ulcer and 20 healthy persons indicates that association of the Campylobacter pylori and biochemical tests are reliable and may be recommended for wide use in practical public health.

Campylobacter↗

[Epidemiological study of the associations of Staphylococcus aureus and Pseudomonas aeruginosa in the pulmonology clinic].

The results of the five-year study of S. aureus and P. aeruginosa associations isolated from the sputa of pulmonological patients are presented. The incidence rate of these bacteria in monocultures and associations is estimated. The results of the phage typing and serotyping of S. aureus and P. aeruginosa strains suggest that the formation of the associations of these organisms occurs mainly due to the tendency of P. aeruginosa hospital strains to associate with S. aureus cultures present in the patients.

Bacteriophage Typing↗

[Beta-lactam antibiotic sensitivity of Gram-negative bacteria isolated from urology patients].

Sensitivity of 172 strains of gram-negative bacteria isolated from the urine of urological patients was tested to the beta-lactam antibiotics penicillin, oxacillin, carbenicillin, cefradin, cerhazolin, cephapirin, cefotaxim, and cefuroxim. The method of two-fold serial dilutions in a meat-peptone agar was used. In the therapeutic concentrations the above antibiotics except carbenicillin, cefotaxim and cefuroxim had no inhibitory effect on P. aeruginosa. With respect to E. coli the highest activity was observed with the use of carbenicillin and the new cephalosporins cephazolin, cephapirin, cefradin, cefotaxim and cefuroxim. A significant number of Proteus strains sensitive to the minimal concentrations of the cephalosporins and carbenicillin were detected. However, highly resistant strains were also isolated.

Anti-Bacterial Agents↗