期刊
JOURNAL OF HOSPITAL INFECTION
卷 57, 期 2, 页码 105-111出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.jhin.2004.03.001
关键词
surveillance; resistance; Pseudomonas aeruginosa; multi-drug resistance; antibiotics
Antimicrobial resistance in Pseudomonas aeruginosa is a serious clinical problem. To determine the incidence of multi-drug resistant P. aeruginosa, resistance rates of P. aeruginosa clinical isolates against commonly used antibiotics were evaluated for the period 1998 to 2002. Multidrug resistance was defined as resistance to at least three of the four drugs, ceftazidime, imipenem, ciprofloxacin, and tobramycin. Resistance to most anti-pseudomonal agents has increased by >20% over the five-year period, with dramatic increases observed with fluoroquinolones, tobramycin, and imipenem (resistance increased by 34-37%). In 1998, 78% of isolates were susceptible to all four anti-pseudomonal agents and no isolate was considered multi-drug resistant. However, in 2002, only 27% of isolates were sensitive to all four of the drugs and 32% were considered multi-drug resistant. Multi-drug resistance in individual institutions may be significantly higher than rates reported in nationwide surveillance studies and may more accurately reflect the true magnitude of local resistance problems. On-going surveillance within individual institutions is critical for the selection of appropriate empiric antimicrobial therapy. (C) 2004 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.
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