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KMID : 0378019750180060786
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New Medical Journal
1975 Volume.18 No. 6 p.786 ~ p.792
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An analysis of Enteropathogenic Bacteria Isolation
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Abstract
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Enteropathogenic bacteria continue to be important pathogens in many parts of the world and Korea is no exception. Isolation of the bacteria from clinical specimens not only aids definitive etiologic diagnosis but also helps the choice of proper antibiotics for the treatment of individual patients. Accumulated data from isolation of the bacteria could provide some information on the status of occurence of the diseases and on the nature of the pathogens. The data on the enteropathofenic bacteria isolation at Yonsei Medical Center for the year 1969-1973 was analysed retrospectively, and the following results were obtained.
1. During the 5 year period, 6104 stool or rectal swab specimens were received for enteropathogenic bacteria isolation and 871 specimens (844 patients) were positive for Salmonella, Shigella, EPEC, or V. parahaemolyticus.
2. The most frequently isolated bacteria were Shigella (571) and Sal. typhi (201). Annual isolation figures did not show any tendency to decline.
3. Among the Shigella isolates, subgroup B was most numberous. The proportion of D was definitely increasing.
4. Monthly isolation rates showed peaks in June and November for Sal. typhi and July for Shigella.
5. EPEC was isolated from 49 patients. Most frequently isolated serogroups were 0128, 0126, and 055.
6. V. parahaemolyticus isolations were made from only 15 patients, probably due to the nature of the infection.
7. Chloramphenicol and ampicillin resistant Sal. typhi were rarely found. Many Shigella strains showed resistance to various antibictics and simultaneous resistance to chloramphenicol, streptomycin and tetracycline. However, most of them were susceptible to ampicillin.
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