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10.3390/v13061067

http://scihub22266oqcxt.onion/10.3390/v13061067
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34205217!8229480!34205217
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suck abstract from ncbi


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pmid34205217      Viruses 2021 ; 13 (6): ä
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  • Efficacy of Tocilizumab Therapy in Different Subtypes of COVID-19 Cytokine Storm Syndrome #MMPMID34205217
  • Oliynyk O; Barg W; Slifirczyk A; Oliynyk Y; Gurianov V; Rorat M
  • Viruses 2021[Jun]; 13 (6): ä PMID34205217show ga
  • BACKGROUND: Cytokine storm in COVID-19 is heterogenous. There are at least three subtypes: cytokine release syndrome (CRS), macrophage activation syndrome (MAS), and sepsis. METHODS: A retrospective study comprising 276 patients with SARS-CoV-2 pneumonia. All patients were tested for ferritin, interleukin-6, D-Dimer, fibrinogen, calcitonin, and C-reactive protein. According to the diagnostic criteria, three groups of patients with different subtypes of cytokine storm syndrome were identified: MAS, CRS or sepsis. In the MAS and CRS groups, treatment results were assessed depending on whether or not tocilizumab was used. RESULTS: MAS was diagnosed in 9.1% of the patients examined, CRS in 81.8%, and sepsis in 9.1%. Median serum ferritin in patients with MAS was significantly higher (5894 vs. 984 vs. 957 ng/mL, p < 0.001) than in those with CRS or sepsis. Hypofibrinogenemia and pancytopenia were also observed in MAS patients. In CRS patients, a higher mortality rate was observed among those who received tocilizumab, 21 vs. 10 patients (p = 0.043), RR = 2.1 (95% CI 1.0-4.3). In MAS patients, tocilizumab decreased the mortality, 13 vs. 6 patients (p = 0.013), RR = 0.50 (95% CI 0.25-0.99). CONCLUSIONS: Tocilizumab therapy in patients with COVID-19 and CRS was associated with increased mortality, while in MAS patients, it contributed to reduced mortality.
  • |*COVID-19 Drug Treatment[MESH]
  • |Aged[MESH]
  • |Antibodies, Monoclonal, Humanized/*therapeutic use[MESH]
  • |COVID-19/classification/immunology/mortality[MESH]
  • |Cytokine Release Syndrome/*classification/*drug therapy/immunology/mortality[MESH]
  • |Female[MESH]
  • |Ferritins/blood[MESH]
  • |Humans[MESH]
  • |Macrophage Activation Syndrome/drug therapy/mortality/virology[MESH]
  • |Male[MESH]
  • |Retrospective Studies[MESH]
  • |Sepsis/drug therapy/virology[MESH]


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