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Predicting hospital rates of fluoroquinolone-resistant Pseudomonas aeruginosa from fluoroquinolone use in US hospitals and their surrounding communities
Journal article   Open access   Peer reviewed

Predicting hospital rates of fluoroquinolone-resistant Pseudomonas aeruginosa from fluoroquinolone use in US hospitals and their surrounding communities

Ronald E Polk, Christopher K Johnson, Donna McClish, Richard P Wenzel and Michael B Edmond
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, Vol.39(4), pp.497-503
08/15/2004
DOI: 10.1086/422647
PMID: 15356812
url
https://doi.org/10.1086/422647View
Published (Version of record) Open Access

Abstract

Rates of fluoroquinolone resistance among Pseudomonas aeruginosa in hospitals are increasing, but interhospital variability is great. We sought to determine whether this variability correlated to fluoroquinolone use in hospitals and in the surrounding community. Hospital quinolone use in 1999 (24 hospitals) through 2001 (35 hospitals) was determined from billing records. The number of fluoroquinolone prescriptions within a 10-mile (approximately 16-km) radius of each hospital was determined for 1999 and 2000. Hospital fluoroquinolone use increased from 1999 through 2001, from 137 to 163 defined daily doses (DDD)/1000 patient-days (P=.01). The rate of community fluoroquinolone use also increased, from 2.3 to 2.8 DDD/1000 inhabitant-days (P<.001). Rates of fluoroquinolone-resistant P. aeruginosa increased from 29% in 1999 to 36% in 2001 (P=.003). Both community and hospital fluoroquinolone use were predictive of rates of fluoroquinolone-resistant P. aeruginosa. Levofloxacin was associated with resistance, but ciprofloxacin was not. Most of the variability in resistance rates is explained by volume of fluoroquinolone use, both in the hospital and the surrounding community.
Length of Stay Predictive Value of Tests United States - epidemiology Community-Acquired Infections - epidemiology Pseudomonas Infections - drug therapy Humans Middle Aged Fluoroquinolones - therapeutic use Pseudomonas aeruginosa - drug effects Infection Control - methods Communicable Disease Control - methods Microbial Sensitivity Tests Anti-Bacterial Agents - therapeutic use Pseudomonas Infections - metabolism Fluoroquinolones - metabolism Adolescent Adult Female Anti-Bacterial Agents - adverse effects Drug Resistance, Bacterial - drug effects Population Surveillance - methods Cross Infection - epidemiology

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