Delayed interferon secretion and cytokine dysregulation are responsible for the life-threatening acute respiratory distress syndrome (ARDS), multiorgan dysfunction and shock in COVID 19, which closely resembles secondary hemophagocytic lymphohistiocytosis (sHLH). IL-6, a marker of hypercytokinemia in patients with COVID-19 is positively correlated with disease severity, development and progression of ARDS, and mortality. Therapy to either reduce IL-6 or inhibit its action with either non-specific inhibitors of inflammation like dexamthasone or Toclizumab a specific inhibitor of IL-6 has produced decrease in mortality. We describe a novel method of treatment in a patient with multiorgan involvement in COVID 19, using the oXiris hemofilter which delivers renal replacement therapy while also reducing cytokines like IL-6.
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