[Frequency of isolation of enteropathogenic and enterotoxigenic Escherichia from adult patients with diarrhea].
Enteropathogenic E. coli (EPEC), among which enterotoxigenic E. coli (ETEC) constituted 90%, were detected in the fecal specimens from 42% of hospitalized patients by means of the bacteriological method and experimental models. 209 out of 479 patients, including 9 cases of yersiniosis, provided 180 findings. All previously known invasive EPEC (12 strains belonging to 7 serovars) and ETEC (76 strains belonging to 20 serovars) isolated in the bacteriological study, were found to be invasive or toxigenic in animal experiments. This indicated that the method of serotyping could be suitable for the diagnosis of escherichiosis in practical laboratories. Suckling mice were used to detect ETEC additionally in 54.7% of patients which increased the total frequency of findings to 43.6%. The isolated bacteria were found to be etiologically lined with diarrheal diseases observed in the patients, which was demonstrated by the results obtained in the determination of their content in the inoculated culture and in the survey of 452 healthy persons (the frequency of isolated from seed material was 2.4%, the frequency of findings on the model was 7%, the total frequency of findings was 5.3%.
D000328:Adult; D000818:Animals; D000942:Antigens, Bacterial; D003967:Diarrhea / Q000382:microbiology*; D004195:Disease Models, Animal; D004925:Escherichia / Q000145:classification / Q000302:isolation & purification* / Q000472:pathogenicity; D005243:Feces / Q000382:microbiology; D006801:Humans; D051379:Mice; D008828:Microbiological Techniques; D012703:Serotyping
D000942:Antigens, Bacterial; C022863:H antigen
Chastota vydeleniia énteropatogennykh i énterotoksigennykh ésherikhiĭ ot vzroslykh bol'nykh s diareiami.