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Antimicrobial Resistance of Gram-Negative Bacteria Isolated from Lower Respiratory Tract Specimens of Hospitalized Patients

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Author(s): Hörü Gazi | Talat Ecemiş | Semra Kurutepe | Nuray Gürsev | Süheyla Sürücüoğlu

Journal: Klimik Journal
ISSN 1301-143X

Volume: 24;
Issue: 02;
Start page: 112;
Date: 2011;
Original page

Keywords: Lower respiratory tract specimens | Gram-negative bacteria | drug resistance

ABSTRACT
Objective: In this study, we aimed to determine the distribution of the genera of Gram-negative bacteria isolated from lower respiratory tracts of patients treated as in-patients and to calculate the antibiotic resistance rates to guide empirical antibiotic therapy. Methods: Samples taken from the lower respiratory tract and sent to the Bacteriology Laboratory at the Celal Bayar University Faculty of Medicine from January 2008 to December 2010 were retrospectively analyzed. Results: A total of 853 Gram-negative bacteria were isolated from specimens of in-patients. The rates of carbapenem (85%) and multidrug resistance (47%) among A. baumannii were higher than those observed for P. aeruginosa (30% and 19.2%). Carbapenem resistance was not found among the bacteria of the family Enterobacteriaceae, while the highest rates of resistance were detected for ciprofloxacin and trimethoprim-sulfamethoxazole.Conclusions: Implementation of effective treatment protocols based on sensitivity test results can be useful in preventing nosocomial lower respiratory infections caused by resistant Gram-negative bacteria.
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