Curr Health Sci J, vol. 42, no. 2, 2016
A Comparative Study on Antibiotic Resistance of Klebsiella Strains from Surgical and Intensive Care Wards
[Original Paper]
OANA MARIANA CRISTEA(1), O.M. ZLATIAN(1), S.N. DINESCU(2), A.T. BALASOIU(3), CARMEN AVRAMESCU(1), MARIA BALASOIU(1), MIHAELA NICULESCU(4), DANIELA CLINA(5)
(1)Department of Microbiology, University of Medicine and Pharmacy of Craiova, Romania,
(2)Department of Epidemiology, University of Medicine and Pharmacy of Craiova, Romania,
(3)Ophtalmology clinic, County Clinical Emergency Hospital of Craiova, Romania,
(4)Department of Anatomy, University of Medicine and Pharmacy of Craiova, Romania,
(5)Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Romania
Abstract:
Introduction. Klebsiella infections are common in Intensive Care Unit (ICU) and surgical wards. In order to establish the prophylaxis protocols, we must know the prevalence of infections and the antibiotic resistance profiles. Material and methods. This cross-sectional study included isolates from patients in County Clinical Emergency County Hospital, Craiova, Romania: 1254 isolates from the ICU and 1040 isolates from surgical wards. We used an automated method (Phoenix analyzer, Becton-Dickinson, USA) with antimicrobial testing according to CLSI 2014. We tested by disc diffusion the ESBL and carbapenemases production, using kits ESBL Confirm ID and KPC/Metallo-beta-lactamase/OXA-48 Confirm (ROSCO Diagnostica, Denmark). The patients in ICU were also screened at admission for carbapenemase producting strains by PCR (GeneXpert® II, Cepheid, Sunnyvale, CA, USA) for the carbapenemases: KPC, IMP-1, VIM-1, NDM, OXA-48. Results. Klebsiella strains were more prevalent in ICU (20.81%) vs. surgical wards (16.34%) and they were resistant in high percentages at: cefuroxime (95.81% vs. 87.21%),ceftazidime (91.70% vs. 84.71%), cefepime (84.2% vs. 69.82%). The highest differences in resistance were observed for Tygecycline (Risk Ratio (RR) = 7.69), Imipenem/Cilastatine (RR=3.36), Cefoperazone with sulbactam (RR=2.58), Ciprofloxacine (RR=2.11), Gentamycin (RR=2.05) and Ertapenem (RR=1.93). The ICU strains showed MDR in 48.57% of cases vs. 23.57% in surgery strains. The prevalence of ESBL production was 82.4% in ICU vs. 32.3% in surgical wards. The prevalence of carbapenemase producing strains was 43.68% in ICU vs. 23.53% in surgical wards. Conclusions. The infections with Klebsiella spp. are more frequent in ICU compared with surgical wards and their antibiotic resistance is greater.
Keywords: antibiotic resistance, Klebsiella, Intensive Care Unit, Ventilatory Associated Pneumonia
Corresponding: Zlatian Ovidiu Mircea, University of Medicine and Pharmacy of Craiova, Petru Rares St, No.2, Craiova Romania; telephone number: +40 773 849 195; email: ovidiu.zlatian@gmail.com
DOI 10.12865/CHSJ.42.02.09 - Download PDF A Comparative Study on Antibiotic Resistance of Klebsiella Strains from Surgical and Intensive Care Wards PDF
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