Management of acute kidney injury in COVID-19.

Acute kidney injury has been reported in as many as 29% of COVID-19 patients. Reported risk factors include elevated baseline serum creatinine, elevated blood urea nitrogen, acute kidney injury, proteinuria, and hematuria. Suspected causes include sepsis and acute tubular necrosis resulting from renal hypoperfusion, cytokine release syndrome, direct viral invasion, renal medullary hypoxia secondary to alveolar damage, rhabdomyolysis, and cardiorenal syndrome due to viral myocarditis.