Patients infected with COVID-19 virus, show a highly variable symptomatology which can include central nervous system (CNS) dysfunction. One of the most disabling CNS manifestations is persistent severe encephalopathy seen for weeks after the resolution of the acute viral pneumonia and associated acute systemic illnesses. The precise pathophysiology of this persistent Post COVID Encephalopathy is unknown but may involve direct viral invasion of microvascular endothelium, microvascular thrombosis, toxic neuronal effects of inflammatory products, vasoactive pathology at arteriolar level or leptomeningeal inflammation. Currently, there are no established specific treatments for Post COVID -19 encephalopathy. We present a case series of three patients that underwent Therapeutic Plasma Exchange (TPE) with salinized albumin that suggests a positive therapeutic effect. We believe that the results warrant further evaluation for the role of TPE with a prospective randomized trial in persistent Post COVID -19 encephalopathy syndrome.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7868106 | PMC |
| http://dx.doi.org/10.1016/j.ensci.2021.100327 | DOI Listing |
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