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Epidemiology and antimicrobial susceptibility profiles of pathogens causing urinary tract infections in the Asia-Pacific region: Results from the Study for Monitoring Antimicrobial Resistance Trends (SMART), 2010-2013
- Authors
- Jean, Shio-Shin; Coombs, Geoffrey; Ling, Thomas; Balaji, V.; Rodrigues, Camilla; Mikamo, Hiroshige; Kim, Min-Ja; Rajasekaram, Datin Ganeswrie; Mendoza, Myrna; Tan, Thean Yen; Kiratisin, Pattarachai; Ni, Yuxing; Weinman, Barry; Xu, Yingchun; Hsueh, Po-Ren
- Issue Date
- Apr-2016
- Publisher
- Elsevier BV
- Keywords
- Urinary tract infection; Gram-negative bacteria; Extended-spectrum beta-lactamase; ESBL; Susceptibility; Hospital-acquired
- Citation
- International Journal of Antimicrobial Agents, v.47, no.4, pp 328 - 334
- Pages
- 7
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- International Journal of Antimicrobial Agents
- Volume
- 47
- Number
- 4
- Start Page
- 328
- End Page
- 334
- ISSN
- 0924-8579
1872-7913
- Abstract
- A total of 9599 isolates of Gram-negative bacteria (GNB) causing urinary tract infections (UTIs) were collected from 60 centres in 13 countries in the Asia-Pacific region from 2010-2013. These isolates comprised Enterobacteriaceae species (mainly Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Klebsiella oxytoca, Enterobacter cloacae and Morganella morganii) and non-fermentative GNB species (predominantly Pseudomonas aeruginosa and Acinetobacter baumannii). In vitro susceptibilities were determined by the agar dilution method and susceptibility profiles were determined using the minimum inhibitory concentration (MIC) interpretive breakpoints recommended by the Clinical and Laboratory Standards Institute in 2015. Production of extended-spectrum beta-lactamases (ESBLs) amongst E. coli, K. pneumoniae, P. mirabilis and K. oxytoca isolates was determined by the double-disk synergy test. China, Vietnam, India, Thailand and the Philippines had the highest rates of GNB species producing ESBLs and the highest rates of cephalosporin resistance. ESBL production and hospital-acquired infection (isolates obtained >= 48 h after admission) significantly compromised the susceptibility of isolates of E. coli and K. pneumoniae to ciprofloxacin, levofloxacin and most beta-lactams, with the exception of imipenem and ertapenem. However, > 87% of ESBL-producing E. coli strains were susceptible to amikacin and piperacillin/tazobactam, indicating that these antibiotics might be appropriate alternatives for treating UTIs due to ESBL-producing E. coli. Fluoroquinolones were shown to be inappropriate as empirical therapy for UTIs. Antibiotic resistance is a serious problem in the Asia-Pacific region. Therefore, continuous monitoring of evolutionary trends in the susceptibility profiles of GNB causing UTIs in Asia is crucial. (C) 2016 Elsevier B.V. and the International Society of Chemotherapy. All rights reserved.
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Related Researcher
- Kim, Min Ja
- Anam Hospital (Department of Infectious Diseases, Anam Hospital)