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Clinical Factors Associated with Acquisition of Resistance to Levofloxacin in Stenotrophomonas maltophilia

 Ji Hyeon Baek  ;  Chang Oh Kim  ;  Su Jin Jeong  ;  Nam Soo Ku  ;  Sang Hoon Han  ;  Jun Yong Choi  ;  Dongeun Yong  ;  Young Goo Song  ;  Kyungwon Lee  ;  June Myung Kim 
 Yonsei Medical Journal, Vol.55(4) : 987-993, 2014 
Journal Title
 Yonsei Medical Journal 
Issue Date
PURPOSE: Fluoroquinolones, rapidly gaining prominence in treatment of Stenotrophomonas maltophilia (SMP), are noted for their potency and tolerability. However, SMP may rapidly acquire resistance to fluoroquinolones. We evaluated associations of clinical factors with acquisition of levofloxacin resistance (LFr) in SMP. MATERIALS AND METHODS: Our retrospective cohort study was based on patient data collected between January 2008 and June 2010. Through screening of 1275 patients, we identified 122 patients with data for SMP antibiotic susceptibility testing in ≥3 serial SMP isolates. RESULTS: We assigned the 122 patients to either the SS group (n=54) in which levofloxacin susceptibility was maintained or the SR group (n=31) in which susceptible SMP acquired resistance. In multivariate regression analysis, exposure to levofloxacin for more than 3 weeks [odds ratio (OR) 15.39, 95% confidential interval (CI) 3.08-76.93, p=0.001] and co-infection or co-colonization with Klebsiella pneumoniae resistant to levofloxacin (OR 4.85, 95% CI 1.16-20.24, p=0.030) were independently associated with LFr acquisition in SMP. CONCLUSION: Acquisition of LFr during serial sampling of SMP was related to the levofloxacin exposure.
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1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
구남수(Ku, Nam Su) ORCID logo https://orcid.org/0000-0002-9717-4327
김준명(Kim, June Myung)
김창오(Kim, Chang Oh) ORCID logo https://orcid.org/0000-0002-0773-5443
백지현(Baek, Ji Hyeon)
송영구(Song, Young Goo) ORCID logo https://orcid.org/0000-0002-0733-4156
용동은(Yong, Dong Eun) ORCID logo https://orcid.org/0000-0002-1225-8477
이경원(Lee, Kyungwon) ORCID logo https://orcid.org/0000-0003-3788-2134
정수진(Jeong, Su Jin) ORCID logo https://orcid.org/0000-0003-4025-4542
최준용(Choi, Jun Yong) ORCID logo https://orcid.org/0000-0002-2775-3315
한상훈(Han, Sang Hoon) ORCID logo https://orcid.org/0000-0002-4278-5198
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