1. European Centre for Disease Prevention and Control. Surveillance of antimicrobial resistance in Europe 2016: annual report of the European Antimicrobial Resistance Surveillance Network (EARS-Net). ECDC; 2017. Available at: https://www.ecdc.europa.eu/en/publications-data/surveillance-antimicrobial-resistance-europe-2016
2. Tasova Y. Management of gram-negative enteric bacterial infections. Ankem Derg. 2011;25(2):33-44.
3. Guran M. Carbapenemase enzymes: a review on the situation in Turkey. Turk Clin J Med Sci. 2016;36(2):98-105. doi:10.5336/medsci.2015-48194
4. Bilgehan A, Kayabas U. The infection problem in intensive care units. Klinik Derg. 2001;14(2):83-87.
5. Jacoby GA, Munoz-Price LS. The new beta-lactamases. N Engl J Med. 2005;352(4):380-391. doi:10.1056/NEJMra041359
6. Founou RC, Founou LL, Essack SY. Clinical and economic impact of antibiotic resistance in developing countries: a systematic review and meta-analysis. PLoS One. 2017;12(12):e0189621. doi:10.1371/journal.pone.0189621
7. World Health Organization. Antimicrobial resistance. World Health Organization; 2022. Available at: https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance
8. Sari H. Investigation of metallo-beta-lactamase presence in Gram-negative bacilli resistant to carbapenems using imipenem-EDTA/meropenem-EDTA disk method and modified Hodge test. [Specialization thesis]. Istanbul: Kartal Training and Research Hospital, Infectious Diseases and Clinical Microbiology Service; 2005.
9. European Centre for Disease Prevention and Control, World Health Organization. Antimicrobial resistance surveillance in Europe 2023-2021 data. ECDC; 2023.
10. Mermutluoglu C, Ciftci EZ, Ozcan N, Dayan S. Investigation of antibiotic susceptibilities in carbapenem-resistant Klebsiella pneumoniae and Escherichia coli strains isolated from clinical samples: four-year analysis in a comprehensive healthcare institution. Van Med J. 2023;30(4):374-381. doi:10.5505/vtd.2023.78972
11. Duran H, Ceken N, Atik B. What is the status of antibiotic resistance in Escherichia coli and Klebsiella pneumoniae species? A five-year analysis from an intensive care unit. Firat Med J. 2022;27(2):116-120.
12. Telli M. Investigation of carbapenem resistance rates and resistance genes in clinical Klebsiella pneumoniae strains between 2012 and 2020. Turk Mikrobiyol Cemiy Derg. 2022;52(2):95-102. doi:10.54453/TMCD.2022.05025
13. European Centre for Disease Prevention and Control. Antimicrobial resistance in the EU/EEA (EARS-Net)-Annual Epidemiological Report 2023. Stockholm: ECDC; 2024.
14. Süzük Yıldız S, Şimşek H, Bakkaloğlu Z, et al. The Epidemiology of carbapenemases in Escherichia coli and Klebsiella pneumoniae isolated in 2019 in Turkey. Mikrobiyol Bul. 2021;55(1):1-16. doi:10.5578/mb.20124
15. Tumturk A, Tekce AYT, Sanal L. Carbapenem resistance rates in nosocomial gram-negative bacteria: a retrospective study from a tertiary care hospital. Middle East J Med. 2019;11(4):422-426.
16. Ayobami O, Brinkwirth S, Eckmanns T, Markwart R. Antibiotic resistance in hospital-acquired ESKAPE-E infections in low- and lower-middle-income countries: a systematic review and meta-analysis. Emerg Microbes Infect. 2022;11(1):443-451. doi:10.1080/22221751.2022.2030196
17. Kılıç U, Demiray T, Altındiş M. Phenotypic and genotypic characteristics in the detection of carbapenemase-producing Enterobacteriaceae isolates. Ankem Derg. 2016;30(2):62-75. doi:10.5222/ankem.2016.062
18. Yılmaz M, Ak Ö, Hacıseyitoğlu D, Alkan S. A comparative study of VITEK-2, double disc synergy and combined disc methods for detection of ESBL (extended spectrum beta-lactamase) production in Escherichia coli and Klebsiella pneumoniae strains. J Contemp Med. 2022;12(1):116-120. doi:10.16899/jcm.954056
19. Paterson DL, Bonomo RA. Extended-spectrum beta-lactamases: a clinical update. Clin Microbiol Rev. 2005;18(4):657-686. doi:10.1128/CMR.18.4.657-686.2005
20. Orak F, Kaya E, Aral M, Doğaner A. Investigation of extended-spectrum β-lactamase, carbapenemase and AmpC β-lactamase production using phenotypic methods in carbapenem-resistant Klebsiella spp. and Escherichia coli isolates. Turk Mikrobiyol Cemiy Derg. 2023;53(2):75-83. doi:10.54453/TMCD.2023.64872
21. Aslan MH, Vural M. Gram-negative bacteria isolated from blood cultures and their antibiotic susceptibility. Trends Surg Sci. 2025;4(1):11-17. doi:10.61745/tss.1671441