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- Title
Kan Kültürlerinden İzole Edilen Serratia spp. Türlerinin Diğer Bakterilere Oranı ve Direnç Profilleri.
- Authors
Özcan, Nida; Özbek, Erdal; Atmaca, Selahattin
- Abstract
Objectives: Serratia genus, especially Serratia marcescens, has become one of the important cause of hospital infections in the last five decades. There is a limited number of publications on Serratia spp, which cause sporadic infections or outbreaks in intensive care unit patients, especially pediatric patients. The aim of this study was to investigate the antibiotic resistance profiles of the Serratia genus and detection rates among blood cultures. Materials and Methods: Blood samples were incubated in the BD BACTEC FX (Becton Dickinson, USA) system. Samples were subcultured on 5% sheep blood agar (SBA) and eosin methylene blue (EMB) agar when the system detected growth. After incubation for 16-24 hours at 35±2°C, the grown isolates on SBA and EMB agar were identified by mass spectrometry with MALDI Biotyper 3 (Bruker Daltonics, USA). Antimicrobial susceptibilities were studied with BD Phoenix 100 (Becton Dickinson, USA) system. Results: Among 9730 agents isolated from blood cultures over a six-year period, 69 (0.7%) were identified as Serratia genus, 58 of them being S. marcescens. Of Serratia spp. isolated patients, 37 (54%) were children and 47 (68%) were intensive care unit patients. A total of 20 isolates (29%) were resistant to at least one of the carbapenems tested. The most effective antibiotics against Serratia spp. isolates were found as trimethoprimsulfamethoxazole, ciprofloxacin, and amikacin with resistance rates of 3%, 4%, and 7%, respectively. Conclusion: Serratia species were isolated from blood cultures at a rate of seven per thousand in a six-year period, and high carbapenem resistance of the isolates was noteworthy.
- Publication
Van Tip Dergisi, 2022, Vol 29, Issue 2, p190
- ISSN
1300-2694
- Publication type
Article
- DOI
10.5505/vtd.2022.02439