Patients with COVID-19 may have higher risk of kidney injury
University of Michigan researchers have found in an observational study that hospitalized patients with COVID-19 may face an increased risk for kidney injury.The study has been published in the Journal of the American Society of Nephrology.
According to Jochen Reiser, MD, PhD, the Ralph C Brown MD professor and chairperson of Rush's Department of Internal Medicine, patients with COVID-19 experience elevated levels of soluble urokinase receptor (suPAR), an immune-derived pathogenic protein that is strongly predictive of kidney injury.
"SuPAR is a circulating factor we've seen contribute to kidney injury in thousands of patients," Reiser said. "RNA viruses such as HIV and SARS-CoV-2 (the virus that causes COVID-19) elicit a suPAR response of the innate immune system, leading to a rise in blood suPAR levels. If there is a hyperinflammatory suPAR response, kidney cells may be damaged."
Reiser is an author of the multicenter study led by Salim Hayek MD, an assistant professor of cardiology at University of Michigan, "Soluble Urokinase Receptor in COVID-19 related Acute Kidney Injury." The study results show that more than a third patients with COVID-19 end up in need of dialysis and are also at much higher risk of death.
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