Abstract/References

Drug resistance of Pseudomonas aeruginosa based on the isolation sites and types of gastrointestinal diseases: An observational study

Hironori Tsujimoto, Yuji Fujikura, Taka-aki Hamamoto, Hiroyuki Horiguchi, Risa Takahata, Yusuke Ishibashi, Takao Sugihara, Keita Kouzu, Yujiro Itazaki, Sei-ichiro Fujishima, Koichi Okamoto, Yoshiki Kajiwara, Susumu Matsukuma, Hideki Ueno

Author information
  • Hironori Tsujimoto

    Department of Surgery, National Defense Medical College
    Department of Medical Risk Management and Infection Control, National Defense Medical College Hospital, National Defense Medical College

  • Yuji Fujikura

    Department of Medical Risk Management and Infection Control, National Defense Medical College Hospital, National Defense Medical College

  • Taka-aki Hamamoto

    Department of Laboratory Medicine, National Defense Medical College Hospital

  • Hiroyuki Horiguchi

    Department of Surgery, National Defense Medical College

  • Risa Takahata

    Department of Medical Risk Management and Infection Control, National Defense Medical College Hospital, National Defense Medical College

  • Yusuke Ishibashi

    Department of Surgery, National Defense Medical College

  • Takao Sugihara

    Department of Surgery, National Defense Medical College

  • Keita Kouzu

    Department of Surgery, National Defense Medical College

  • Yujiro Itazaki

    Department of Surgery, National Defense Medical College

  • Sei-ichiro Fujishima

    Department of Surgery, National Defense Medical College

  • Koichi Okamoto

    Department of Surgery, National Defense Medical College

  • Yoshiki Kajiwara

    Department of Surgery, National Defense Medical College

  • Susumu Matsukuma

    Department of Laboratory Medicine, National Defense Medical College Hospital

  • Hideki Ueno

    Department of Surgery, National Defense Medical College

Abstract

Introduction: We investigated the drug resistance status of Pseudomonas aeruginosa (P. aeruginosa) focusing on its isolation sites and types of diseases.


Materials and methods: A microbiological laboratory database was searched to identify all clinical cultures positive for P. aeruginosa. Clinicopathologic features and susceptibility of P. aeruginosa to any antibiotics were evaluated in patients admitted to the division of upper (Upper-GI group) or lower gastrointestinal surgery (Lower-GI group). In addition, we investigated the susceptibility of P. aeruginosa to any antibiotics based on the isolation site.


Results:P. aeruginosa was frequently detected in the sputum and urine of the Upper-GI and Lower-GI groups, respectively. Among P. aeruginosa isolates from drain discharge, a significantly higher rate of resistance to imipenem, amikacin, and ciprofloxacin was observed; among P. aeruginosa isolates from wounds, a substantially higher proportion had resistance to imipenem and cefozopran in the Upper-GI group. However, there was no difference between the two groups in the drug resistance of P. aeruginosa isolated from urine, sputum, blood, and ascites. P. aeruginosa isolated from sputum showed more resistance to imipenem and ciprofloxacin than those isolated from other sites.


Conclusion: There were significant differences in the drug resistance of P. aeruginosa based on the isolation sites and types of diseases.

The cintent of reseach paper

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