COVID-19(8) acute respiratory distress syndrome(6) reduce(6) patients with COVID-19(6) pandemic(6) recent(6) SARS-CoV-2(5) Coronavirus disease 2019(5) peripheral oxygen saturation(4) neurologic(4) discharge(4) edema(4) marker(4) Occurrence(4) Oxygenation(4) epileptic(4) invasive(4) oxygen(4) Hypoxemia(4) Neurological complications(4) optic nerve sheath(4) Neurological complication(4) Limited(4) emboli(4) Doppler(4) mechanical ventilation(4) coronavirus disease(4) Brain(4) Encephalopathy(4) Evidence(4)