Nafamostat mesylate (NM) is used clinically in combination with antiviral drugs to treat coronavirus disease (COVID‐19). One of the adverse events of NM is hyperkalaemia due to inhibition of the… Click to show full abstract
Nafamostat mesylate (NM) is used clinically in combination with antiviral drugs to treat coronavirus disease (COVID‐19). One of the adverse events of NM is hyperkalaemia due to inhibition of the amiloride‐sensitive sodium channels (ENaC). The incidence and risk factors for hyperkalaemia due to NM have been studied in patients with pancreatitis but not in COVID‐19. COVID‐19 can be associated with hypokalaemia or hyperkalaemia, and SARS‐CoV‐2 is thought to inhibit ENaC. Therefore, frequency and risk factors for hyperkalaemia due to NM may differ between COVID‐19 and pancreatitis. Hyperkalaemia may worsen the respiratory condition of patients. The objective of this study was to determine the incidence and risk factors for hyperkalaemia in COVID‐19 patients treated with favipiravir, dexamethasone and NM.
               
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