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Antibiotic susceptibility of Acinetobacter baumannii strains in a university hospital

Author(s): İlyas Yolbaş | Recep Tekin | Ali Güneş | Selvi Kelekçi | Velat Şen | İlhan Tan | Ünal Uluca

Journal: Journal of Clinical and Experimental Investigations
ISSN 1309-8578

Volume: 4;
Issue: 3;
Start page: 318;
Date: 2013;
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Keywords: A. baumannii | antibiotic | resistance

Objective: Nowadays nearly, Acinetobacter baumanniihas become an incurable nosocomial infections’ pathogendue to its ability developing multiple resistance againstantibiotics strains In our study, it was aimed to determinerates of resistance of A. baumannii strains isolated fromvarious samples in the Dicle University Hospital.Methods: A. baumannii culture results of 270 patientsthat were followed in the Dicle University Medical FacultyHospital between June 2010 and June 2011 wereevaluated. Resistance rates of A. baumannii strains werecultured by conventional methods and BD Phoenix (BDDiagnostic Systems, Sparks, MD) automated system.Results: Our study included 82 (30.4%) female and 188(69.6%) male. Resistance rates of A. baumannii strainswere as follows: amikacin (76%), ampicillin / sulbactam(94%), aztreonam (96%), cefepime (95%), cefotaxime(98%), ceftazidime (95%), ciprofloxacin (93%), colistin(6%), gentamicin (94%), imipenem (87%), levofloxacin(87%), meropenem (87%), piperacillin / tazobactam(92%), tetracycline (84%), trimethoprim / sulfamethoxazole(82%).Conclusions: A. baumannii strains isolated from ourcultures have very high rate of resistance against antimicrobialagents except colistin. It should not be forgottenthat antibiotic susceptibility may change from year to yearin the regions, hospitals and even clinics, and resistancerates should be continuously monitored. When selectingempiric treatment, resistance rates of A. baumannii of thatlocation should be considered until having culture results.In the infections caused by A. baumannii cultures and antibiogramsshould be repeated during treatment becausethat A. baumannii strains may change resistance ratio. JClin Exp Invest 2013; 4 (3): 318-321Key words: A. baumannii, antibiotic, resistance,
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