1. World Health Organization. 2021. WHO coronavirus (COVID-19) dashboard. (Accessed November 2021). https://covid19.who.int/.
2. Fajgenbaum DC, June CH, Cytokine storm. N Engl J Med. 2020;383(23): 2255-2273. doi:10.1056/NEJMra2026131
3. McGonagle D, Sharif K, O’Regan A, Bridgewood C. The role of cytokines including interleukin-6 in COVID-19 induced pneumonia and macrophage activation syndrome-like disease. Autoimmun Rev. 2020;19(6):102537. doi: 10.1016/j.autrev.2020.102537
4. Opoka-Winiarska V, Grywalska E, Rolinski J. Could hemophagocytic lymphohistiocytosis be the core issue of severe COVID-19 cases? BMC Med. 2020;18(1):214. doi:10.1186/s12916-020-01682-y
5. Pedersen SF, Ho YC. SARS-CoV-2: a storm is raging. J Clin Invest. 2020; 130(5):2202-2205. doi:10.1172/JCI137647
6. Xu X, Han M, Li T, et al. Effective treatment of severe COVID-19 patients with tocilizumab.Proc Natl Acad Sci USA. 2020;117(20):10970-10975. doi: 10.1073/pnas.2005615117<strong> </strong>
7. Zhang W, Zhao Y, Zhang F, et al. The use of anti-inflammatory drugs in the treatment of people with severe coronavirus disease 2019 (COVID-19): the perspectives of clinical immunologists from China. Clinical Immunology. 2020;214:108393. doi:10.1016/j.clim.2020.108393
8. Bastard P, Rosen LB, Zhang Q, et al. Autoantibodies against type I IFNs in patients with life-threatening COVID-19. Science. 2020;370(6515): eabd4585. doi:10.1126/science.abd4585
9. Zhang Q, Bastard P, Liu Z, et al. Inborn errors of type I IFN immunity in patients with life-threatening COVID-19. Science. 2020;370(6515): eabd4570. doi:10.1126/science.abd4570
10. Liu Y, Du X, Chen J, et al. Neutrophil-to-lymphocyte ratio as an independent risk factor for mortality in hospitalized patients with COVID-19. J Infect. 2020;81(1):e6-e12. doi:10.1016/j.jinf.2020.04.002
11. ang AP, Liu JP, Tao WQ, Li HM. The diagnostic and predictive role of NLR, d-NLR and PLR in COVID-19 patients.Int Immunopharmacol. 2020;84: 106504. doi:10.1016/j.intimp.2020.106504
12. Boyiadzis M, Bishop MR, Abonour R, et al. The society for immunotherapy of cancer consensus statement on immunotherapy for the treatment of hematologic malignancies: multiple myeloma, lymphoma, and acute leukemia. J Immunother Cancer. 2016;4(1):90. doi:10.1186/s40425-016-0188-z
13. Herold T, Jurinovic V, Arnreich C, et al. Elevated levels of IL-6 and CRP predict the need for mechanical ventilation in COVID-19. J Allergy Clin Immunol. 2020;146(1):128-136.e4. doi:10.1016/j.jaci.2020.05.008
14. Laguna-Goya R, Utrero-Rico A, Talayero P, et al. IL-6-based mortality risk model for hospitalized patients with COVID-19. J Allergy Clin Immunol. 2020;146(4):799-807.e9. doi:10.1016/j.jaci.2020.07.009
15. Tleyjeh IM, Kashour Z, Damlaj M, et al. Efficacy and safety of tocilizumab in COVID-19 patients: a living systematic review and meta-analysis. Clin Microbiol Infect. 2021;27(2):215-227. doi:10.1016/j.cmi.2020.10.036
16. RECOVERY Collaborative Group, Horby P, Lim WS, et al. Dexamethasone in Hospitalized Patients with Covid-19.N Engl J Med. 2021;384(8):693-704. doi:10.1056/NEJMoa2021436
17. WHO rapid evidence appraisal for COVID-19 therapies (REACT) working group, Sterne JAC, Murthy S, et al. Association between administration of systemic corticosteroids and mortality among critically ill patients with COVID-19: a meta-analysis. JAMA. 2020;324(13):1330-1341. doi:10.1001/jama.2020.17023<strong> </strong>
18. World Health Organization. Corticosteroids for COVID-19: living guidance, 2 September 2020. World Health Organization.
19. Turkish Ministry of Health COVID-19 guideline: anticytokin antiinflammatory therapies coagulopathy treatment. 2 November 2020. Ankara.
20. Edalatifard M, Akhtari M, Salehi M, et al. Intravenous methylprednisolone pulse as a treatment for hospitalised severe COVID-19 patients: results from a randomised controlled clinical trial. Eur Respir J. 2020;56(6):2002808. doi:10.1183/13993003.02808-2020
21. Cusacovich I, Aparisi Á, Marcos M, et al. Corticosteroid pulses for hospitalized patients with COVID-19: effects on mortality. Mediators Inflamm. 2021;2021:6637227. doi:10.1155/2021/6637227.
22. National Institutes of Health. Coronavirus disease 2019 (COVID-19) treatment guidelines. https://covid19treatmentguidelines.nih.gov/ (Accessed on May 27, 2022).
23. Infectious diseases society of American Guidelines on the treatment and management of patients with COVID-19 https://www.idsociety.org/practice-guideline/covid-19-guideline-treatment-and-management/ (Accessed on February 21, 2022).
24. Aziz M, Haghbin H, Abu Sitta E, et al. Efficacy of tocilizumab in COVID-19: a systematic review and meta-analysis. J Med Virol. 2021;93(3):1620-1630. doi:10.1002/jmv.26509
25. Malgie J, Schoones JW, Pijls B.G. Decreased mortality in COVID-19 patients treated with Tocilizumab: a rapid systematic review and meta-analysis of observational studies. Clin Infect Dis. 2021;72(11):e742-e749. doi:10.1093/cid/ciaa1445
26. Gupta S, Wang W, Hayek SS, et al. Association between early treatment with tocilizumab and mortality among critically ill patients with COVID-19 JAMA Intern Med. 2021;181(1):41-51. doi:10.1001/jamainternmed.2020. 6252
27. Stuck AE, Minder CE, Frey FJ. Risk of infectious complications in patients taking glucocorticosteroids. Rev Infect Dis. 1989;11(6):954-963. doi:10. 1093/clinids/11.6.954
28. Cano EJ, Fonseca Fuentes X, Corsini Campioli C, et al. Impact of Corticosteroids in coronavirus disease 2019 outcomes: systematic review and meta-analysis.Chest. 2021;159(3):1019-1040. doi:10.1016/j.chest.2020. 10.054
29. Yılmaz B, Ergut Sezer B, Günkaya M, Onar LÇ, Sivri F. Yoğun bakımda COVID-19 pnömonili hastalarda tosilizumab kullanımı: olgu serisi. J Turk Soc Intens Care. 2020;18:61-66. doi:10.4274/tybd.galenos.2020.19483