期刊
EMERGING INFECTIOUS DISEASES
卷 18, 期 8, 页码 1235-1241出版社
CENTERS DISEASE CONTROL & PREVENTION
DOI: 10.3201/eid1808.111234
关键词
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资金
- Spanish Network for the Research in Infectious Diseases from Instituto de Salud Carlos III, Spain [RD06/0008]
A total of 183 patients were colonized or infected with multidrug-resistant Pseudomonas aeruginosa isolates at a hospital in Spain during 2007-2010; prevalence increased over this period from 2.8% to 15.3%. To characterize these isolates, we performed molecular epidemiologic and drug resistance analysis. Genotyping showed that 104 (56.8%) isolates belonged to a single major clone (clone B), which was identified by multilocus sequence typing as sequence type (ST) 175. This clone was initially isolated from 5 patients in 2008, and then isolated from 23 patients in 2009 and 76 patients in 2010. PCR analysis of clone B isolates identified the b/a(VIM-2) gene in all but 1 isolate, which harbored b/a(IMP-22). ST175 isolates were susceptible to only amikacin (75%) and colistin (100%). Emergence of the ST175 clone represents a major health problem because it compromises therapy for treatment of P aeruginosa nosocomial infections.
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