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Changes in ischemic stroke presentations, management and outcomes during the first year of the COVID-19 pandemic in Alberta: a population study

Background: Pandemics may promote hospital avoidance, and added precautions may exacerbate treatment delays for medical emergencies such as stroke. We sought to evaluate ischemic stroke presentations, management and outcomes during the first year of the COVID-19 pandemic.

Methods: We conducted a population-based study, using linked administrative and stroke registry data from Alberta to identify all patients presenting with stroke before the pandemic (Jan. 1, 2016 to Feb. 27, 2020) and in 5 periods over the first pandemic year (Feb. 28, 2020 to Mar. 31, 2021), reflecting changes in case numbers and restrictions. We evaluated changes in hospital admissions, emergency department presentations, thrombolysis, endovascular therapy, workflow times and outcomes.

Results: The study included 19 531 patients in the prepandemic period and 4900 patients across the 5 pandemic periods. Presentations for ischemic stroke dropped in the first pandemic wave (weekly adjusted incidence rate ....

United States , Balraj Mann , Michael Hill , Sun Pharma , Jillian Stang , Oleksandr Shlakhter , Jilling Stang , Finlay Mcalister , Eric Smith , Oncovir Hiltonel , Aravind Ganesh , Alberta Health Services Analytics , Heart Stroke Foundation Of Canada , Health Analytics , National Institutes Of Health Stroke Scale , American Heart Association , International Classification Of Diseases , A World Stroke Organization , Alberta Health Services , Boehringer Ingelheim , National Ambulatory Care Reporting System , Canadian Stroke Consortium , Weston Brain Institute , Association Of Indian Neurologists In America , Canada Initiative , National Institutes Of Neurological Disorders ,