Edwardsiella tarda is included the family
Enterobacteriacae recentry recognized as probably normal intestinal inhabitant of such animals as snakes, seals and alligators.
Although occationally found from human, the role of
Edwardsiella tarda in producing disease in man has not known.
We isolated a strain of
Edwardsiella tarda from duodenal juice and feces of a hospitalized man with chronic cholangitis.
He was a 48 years old male who had had cholecystectomy because of the complication with prulent cholecystitis following appendectomy at 31 years old. And then he has repeated the symptoms of chronic cholangitis such as high degree of fever with chills and right hypochondralgia. So he was admitted to Ehime Univercity Hospital because of further precise examination.
Admitting to the hospital, he was asymptomatic. We, however, isolated
Edwardsiella tarda with E. coli, Klebsiella and
Pseudomonas aeruginosa from the duodenal juice. And we also isolated these microorganisms from the feces.
Thus, because of mixed infection we could not clarisfy the disease due to Edwardsiella tarda only. But we considered that it might play a part of the role of chronic inflammation.
Antimicrs bial sensitivity tests using Disc method showed that our newly isolated
Edwardsiella tarda was sensitive to aminobenzylpenicillin, sulbenicillin, carbenicillin, cephaloridin, cefazolin, kanamycin, streptomycin, gentamicin, tetracycline, chloramphenicol and pyromidic acid.
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