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Clinical Feature of Antibiotic-associated Hemorrhagic Colitis Akira Harada 1 , Koichi Kurahara 1 , Shigenao Ishikawa 2 , Tomoki Inaba 2 , Yumi Oshiro 3 , Hiroki Yaita 1 , Tomohiro Nagasue 1 , Nobuaki Kuno 1 , Masashi Kameda 1 , Takahide Tanaka 1 , Kazuhide Iwasaki 1 , Tadahiko Fuchigami 1 1Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan 2Division of Gastroenterology, Kagawa Prefectural Central Hospital, Takamatsu, Japan 3Department of Pathology, Matsuyama Red Cross Hospital, Matsuyama, Japan Keyword: 薬剤性大腸炎 , 抗菌薬 , 抗菌薬関連出血性大腸炎 , Klebsiella oxytoca pp.473-481
Published Date 2016/4/25
DOI https://doi.org/10.11477/mf.1403200600
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 To determine the clinical characteristics of AAHC(antibiotic-associated hemorrhagic colitis), we compared Klebsiella oxytoca(K. oxytoca)-positive with -negative AAHC patients. In the past 10 years, we have diagnosed 18 patients with AAHC(7 men and 11 women ; average age, 63.7 years). We tested cultures in all 18 subjects ; 14 patients(77.8%)were positive for K. oxytoca.

 The 14 patients included seven men and seven women with an average age of 65.8 years. Eight patients had been taking penicillin antibiotics, and simultaneously, three patients had been taking NSAIDs(nonsteroidal anti-inflammatory drugs), including low-dose aspirin. According to the results of the stool culture tests, five among the 14 patients had some species of Enterobacter that is resistant to penicillin. Colonoscopy revealed that nine patients had segmental hemorrhagic colitis mainly in the right-side colon. All 14 patients recovered by discontinuing or changing their antibiotics. We compared the clinical characteristics and endoscopic findings of the 14 K. oxytoca-positive patients with four K. oxytoca-negative patients ; there were almost no differences between them.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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