Risk of Transmission of Imipenem-Resistant Pseudomonas aeruginosa through Use of Mobile Bathing Service

DOI 参考文献41件
  • SAKURAI-KOMADA Naomi
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences
  • HIRANO Masako
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences
  • NAGATA Ikumi
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences
  • EJIMA Yumi
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences
  • NAKAMURA Michiko
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences
  • KOIKE Kazuko A.
    Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences

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Objectives: The demand for mobile bathing service (MBS) is increasing in the Japanese society. Therefore, we assessed the risk of MBS-associated infection in MBS clients and their caregivers by examining the bacterial colonization of MBS equipment and utensils.<br> Methods: Bacterial isolates collected by the stamp agar culture method were examined by disk diffusion assay for their susceptibility to the following drugs: imipenem, ciprofloxacin, amikacin, azutreonam, ceftazidim, meropenem, piperacillin, tobramycin, ofloxacin and cefoperazone. Furthermore, these isolates were subtyped by SpeI-pulsed field gel electrophoresis (SpeI-PFGE).<br> Results: Fifty-four P. aeruginosa isolates were recovered from different sampling sites, and of these, 26 (47.3%) were isolated from pillows. Eighteen isolates (33.3%) were imipenem (IPM) resistant. The minimum inhibitory concentrations (MICs) of 17 isolates were between 16 and 32 μg/ml, and the MIC of one isolate was greater than 32 μg/ml. The SpeI-PFGE typing of IPM-resistant isolates revealed that 13 of the 18 isolates were closely related (F=1.0−0.87).<br> Conclusion: Our findings suggest that MBS equipment and utensils, particularly pillows, are the primary sources of bacterial contamination and transmission and that there is a risk of MBS-mediated infection among MBS clients and their caregivers.<br>

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