COVID-19 and Severe Rhabdomyolysis Causing Acute Kidney Injury and Life-Threatening Hyperkalemia in a Pediatric Patient: a Case Report.

Though initially believed to primarily be a respiratory pathogen, the SARS-CoV-2 virus has manifested as a virus that has the potential to affect multiple organ systems causing a wide variety of disease and symptomatology. Children have been largely spared in comparison to adult morbidity and mortality; however, acute pediatric illness secondary to COVID-19 infection has become both more common and more serious. Here, we present a teenager with acute COVID-19 who presented to the hospital with profound weakness and oliguria and was discovered to have severe rhabdomyolysis causing life-threatening hyperkalemia and acute kidney injury. He required treatment with emergent renal replacement therapy in the intensive care unit. His initial CK was 584,886 U/L. Creatinine was 14.1 mg/dL and potassium was 9.9 mmol/L. He was successfully treated with CRRT and was discharged on hospital day 13 with normal kidney function on follow-up. Rhabdomyolysis and acute kidney injury are increasingly recognized as complications of acute SARS-CoV-2 infection and require vigilance given the potentially fatal complications and long-standing morbidity associated with these conditions.

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Author Palen Powelson Mallory Pediatrics, Critical Care Medicine