• James E Siegler, Alicia M Zha, Alexandra L Czap, Santiago Ortega-Gutierrez, Mudassir Farooqui, David S Liebeskind, Shashvat M Desai, Ameer E Hassan, Amy K Starosciak, Italo Linfante, Vivek Rai, Jesse M Thon, Ryna Then, Mark E Heslin, Lauren Thau, Priyank Khandelwal, Mahmoud H Mohammaden, Diogo C Haussen, Raul G Nogueira, Dinesh V Jillella, Fadi Nahab, Artem Kaliaev, Thanh N Nguyen, Osama Zaidat, Tudor G Jovin, and Ashutosh P Jhadav.
• Cooper Neurological Institute, Cooper University Hospital, Camden, NJ (J.E.S., J.M.T., R.T., M.E.H., L.T., T.G.J.).
• Stroke. 2021 Jan 1; 52 (1): 40-47.

Background And PurposeThe pandemic caused by the novel coronavirus disease 2019 (COVID-19) has led to an unprecedented paradigm shift in medical care. We sought to evaluate whether the COVID-19 pandemic may have contributed to delays in acute stroke management at comprehensive stroke centers.MethodsPooled clinical data of consecutive adult stroke patients from 14 US comprehensive stroke centers (January 1, 2019, to July 31, 2020) were queried. The rate of thrombolysis for nontransferred patients within the Target: Stroke goal of 60 minutes was compared between patients admitted from March 1, 2019, and July 31, 2019 (pre-COVID-19), and March 1, 2020, to July 31, 2020 (COVID-19). The time from arrival to imaging and treatment with thrombolysis or thrombectomy, as continuous variables, were also assessed.ResultsOf the 2955 patients who met inclusion criteria, 1491 were admitted during the pre-COVID-19 period and 1464 were admitted during COVID-19, 15% of whom underwent intravenous thrombolysis. Patients treated during COVID-19 were at lower odds of receiving thrombolysis within 60 minutes of arrival (odds ratio, 0.61 [95% CI, 0.38-0.98]; P=0.04), with a median delay in door-to-needle time of 4 minutes (P=0.03). The lower odds of achieving treatment in the Target: Stroke goal persisted after adjustment for all variables associated with earlier treatment (adjusted odds ratio, 0.55 [95% CI, 0.35-0.85]; P<0.01). The delay in thrombolysis appeared driven by the longer delay from imaging to bolus (median, 29 [interquartile range, 18-41] versus 22 [interquartile range, 13-37] minutes; P=0.02). There was no significant delay in door-to-groin puncture for patients who underwent thrombectomy (median, 83 [interquartile range, 63-133] versus 90 [interquartile range, 73-129] minutes; P=0.30). Delays in thrombolysis were observed in the months of June and July.ConclusionsEvaluation for acute ischemic stroke during the COVID-19 period was associated with a small but significant delay in intravenous thrombolysis but no significant delay in thrombectomy time metrics. Taking steps to reduce delays from imaging to bolus time has the potential to attenuate this collateral effect of the pandemic.

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