Medical charts were queried for baseline patient characteristics (age, gender), comorbidities (heart disease, lung disease, liver disease, kidney disease, atrial fibrillation, and diabetes mellitus), COVID-19 symptoms (fever, cough, pneumonia), duration between COVID-19 symptoms and the neurological manifestation, cerebrovascular insult (aneurysm rupture, intracranial hemorrhage, and stroke), National Institute of Health Stroke Scale (NIHSS) at presentation, procedure detail (duration from the sheath into sheath out and thrombolysis in cerebral infarction (TICI) score, laboratory results, and mortality.