Study reveals hospitalised COVID-19 patients have low risk o
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Patients hospitalised with COVID-19 may have a lower risk of stroke, according to a study that found majority of afflicted patients had existing risk factors, such as high blood pressure and diabetes.

Researchers performed a retrospective, observational study of stroke incidence and mechanisms in all patients with COVID-19 hospitalized at 3 Philadelphia hospitals.

-- Researchers identified 844 hospitalized patients with COVID-19; 20 had confirmed ischemic stroke; and 8 had intracranial hemorrhage.
-- Of the ischemic stroke patients, mean age was 64 years, with only one patient (5%) under age 50, and 80% were Black.
-- Conventional vascular risk factors were common, with 95% of patients having a history of hypertension and 60% a history of diabetes mellitus.
-- Median time from onset of COVID symptoms to stroke diagnosis was 21 days.
-- Stroke mechanism was cardioembolism in 40%, small vessel disease in 5%, other determined mechanism in 20%, and cryptogenic in 35%.
-- Of the 11 patients with complete vascular imaging, 3 (27%) had large vessel occlusion.
-- Newly positive antiphospholipid antibodies were present in more than 75% of tested patients.
-- Of the patients with intracranial hemorrhage, 5/8 were lobar intraparenchymal hemorrhages, and 3/8 were subarachnoid hemorrhage; 4/8 were on extracorporeal membrane oxygenation.

Conclusively, A low risk of acute cerebrovascular events in patients hospitalized with COVID-19 was found. Most patients with ischemic stroke had conventional vascular risk factors, and traditional stroke mechanisms were common.

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