Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy · 2022
Reducing the urine collection rate could prevent hospital-acquired horizontal transmission of multidrug-resistant Pseudomonasaeruginosa.
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Hashimoto Kenyu, Gotoh Kenji, Masunaga Kenji, Iwahashi Jun, Sakamoto Toru, Miura Miho, Horita Rie, Sakai Yoshiro, Murotani Kenta, Watanabe Hiroshi
Аннотация
INTRODUCTION: Multidrug-resistant Pseudomonas aeruginosa (MDRP) is a waterborne pathogen that occasionally causes hospital-acquired infection in immunocompromised or critically ill patients. Urine is frequently collected to evaluate renal function or to perform hormonal examinations, but the procedure involves risk due to the possibility of healthcare workers with contaminated hands. Our objective was to evaluate the association between the urine collection and hospital-acquired horizontal transmission of MDRP.
METHODS: We monitored the urine collection rate from 2011 to 2017, as part of ongoing efforts to reduce the need to collect urine. The urine collection rate and the frequency of isolation of MDRP, Methicillin resistant S. aureus (MRSA) and extended spectrum β-lactamases (ESBL)-producing E. coli were analyzed during the same period. PFGE and MLST were also performed to analyze the identity of 5 MDRP strains detected on the same ward in 2014-2015.
RESULTS: The urine collection rate was dramatically decreased from 4.8% in 2011 to less than 0.5% in 2017, because the isolation rate of MDRP was significantly positively associated (RR = 1.72, 95%CI:1.03-2.85) with the urine collection rate. Isolations of MRSA and ESBL-producing E. coli showed no significant. Molecular typing showed the PFGE patterns of 3 of 5 MDRP strains were closely related as did MLST (ST17), and the remaining 2 MDRP strains had different PFGE and MLST patterns (ST14, ST655). Our data implicated the urine collection as one of the causes of hospital-acquired MDRP infections.
CONCLUSIONS: We concluded that a reducing the urine collection rate could contribute to preventing hospital-acquired horizontal transmission of MDRP.
METHODS: We monitored the urine collection rate from 2011 to 2017, as part of ongoing efforts to reduce the need to collect urine. The urine collection rate and the frequency of isolation of MDRP, Methicillin resistant S. aureus (MRSA) and extended spectrum β-lactamases (ESBL)-producing E. coli were analyzed during the same period. PFGE and MLST were also performed to analyze the identity of 5 MDRP strains detected on the same ward in 2014-2015.
RESULTS: The urine collection rate was dramatically decreased from 4.8% in 2011 to less than 0.5% in 2017, because the isolation rate of MDRP was significantly positively associated (RR = 1.72, 95%CI:1.03-2.85) with the urine collection rate. Isolations of MRSA and ESBL-producing E. coli showed no significant. Molecular typing showed the PFGE patterns of 3 of 5 MDRP strains were closely related as did MLST (ST17), and the remaining 2 MDRP strains had different PFGE and MLST patterns (ST14, ST655). Our data implicated the urine collection as one of the causes of hospital-acquired MDRP infections.
CONCLUSIONS: We concluded that a reducing the urine collection rate could contribute to preventing hospital-acquired horizontal transmission of MDRP.