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Author: search.filters.author.Arslan, Handesearch.filters.applied.f.publicationcategory: search.filters.publicationcategory.Makale - Ulusal Hakemli Dergi

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    Bloodstream Infections: Etiologic Agents and Their Antibiotic Resistance Rates
    (2016) Aydin, Mehtap; Kasikcioglu, Cemre; Nargiz-Kosucu, Sibel; Timurkaynak, Funda; Arslan, Hande; 0000-0002-5708-7915; ABG-7034-2021
    Objective: In this study, we aimed to investigate the etiological agents of bloodstream infections (BSIs) and their antibiotic resistance rates. Methods: The rates of antibiotic resistance of the microorganisms isolated from blood cultures in the microbiology laboratory between 2012 and 2013 were evaluated retrospectively. Blood cultures were performed by using BACTEC (TM) 9120 (Becton Dickinson, Sparks, MD, USA) automated system. Microorganisms that were isolated were identified by routine microbiological methods. Results: In our study, BSIs were most frequently detected in the cardiovascular surgery clinic. Out of 95 bacteria isolated from blood culture, 61 (64.2) were Gram-negative bacteria (46% enteric, 18% nonfermentative), 20 (21%) were Candida spp. and 14 (15%) were Gram-positive bacteria. The most effective antibiotics for enteric bacteria were found as colistin, followed by imipenem, meropenem and amikacin and for nonfermentative Gram-negative bacteria as colistin, cefepime, piperacillin-tazobactam, imipenem and amikacin. Conclusions: When the resistance rates were compared within two years, significant increases in resistance were observed for quinolones and ceftazidime in nonfermentative bacteria, and for carbapenems in enteric bacteria. Regular monitoring of etiological agents of BSIs and their antibiotic resistance rates will guide the selection of empiric therapy.
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    The Effect of Extensively Drug-resistant Infections on Mortality in Surgical Intensive Care Patients
    (2018) Sahinturk, Helin; Ozdemirkan, Aycan; Kilic, Fatma; Ozalp, Onur; Arslan, Hande; Zeyneoglu, Pinar; Pirat, Arash
    Objective: The aim of the study was to assess the outcomes of intensive care unit acquired extensively drug-resistant (XDR) bacterial infections in a surgical patient cohort. Materials and Methods: The data of patients with XDR bacteria isolated at Baskent University Hospital, Anesthesia and Surgical Intensive Care Unit between January 2016 and December 2016 were reviewed retrospectively. Adult patients over 18 years of age who had undergone surgery within the first 24 hours and who developed intensive care unit infection 48 hours after admission to intensive care unit were included in the study. Results: All of the 341 patients who admitted to the surgical intensive care unit during the study period were underwent surgery within the first 24 hours. XDR bacterial infections were isolated in 30 out (9%) of these 341 patients. The mean APACHE II score was calculated as 18.5 +/- 5.3, and expected mean mortality rate of 35 +/- 17.1. The mean length of intensive care unit stay was 27.0 +/- 27.4 days, while the mean hospital stay was 49.0 +/- 34.3 days. The hospital mortality rate was found to be 57% (n=7). Conclusion: As a conclusion of our study, we found that XDR bacterial infections were common (9%) among intensive care surgical patients and their mortality rate was higher than their expected mortality rate according to their APACHE II scores calculated during intensive care unit admission (57% vs. 35%, respectively).