Impact of COVID-19 Pandemic on a Regional Stroke Thrombectomy Service in the United Kingdom

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Abstract

Introduction: We examined the impact of the coronavirus disease 2019 (COVID-19) pandemic on our regional stroke thrombectomy service in the UK. Methods: This was a single-center health service evaluation. We began testing for COVID-19 on 3 March and introduced a modified “COVID Stroke Thrombectomy Pathway” on 18 March. We analyzed the clinical, procedural and outcome data for 61 consecutive stroke thrombectomy patients between 1 January and 30 April. We compared the data for January and February (“pre-COVID,” n = 33) versus March and April (“during COVID,” n = 28). Results: Patient demographics were similar between the 2 groups (mean age 71 ± 12.8 years, 39% female). During the COVID-19 pandemic, (a) total stroke admissions fell by 17% but the thrombectomy rate was maintained at 20% of ischemic strokes; (b) successful recanalization rate was maintained at 81%; (c) early neurological outcomes (neurological improvement following thrombectomy and inpatient mortality) were not significantly different; (d) use of general anesthesia fell significantly from 85 to 32% as intended; and (e) time intervals from onset to arrival, groin puncture, and recanalization were not significantly different, whereas internal delays for external referrals significantly improved for door-to-groin puncture (48 [interquartile range (IQR) 39–57] vs. 33 [IQR 27–44] minutes, p = 0.013) and door-to-recanalization (82.5 [IQR 61–110] vs. 60 [IQR 55–70] minutes, p = 0.018). Conclusion: The COVID-19 pandemic has had a negative impact on the stroke admission numbers but not stroke thrombectomy rate, successful recanalization rate, or early neurological outcome. Internal delays actually improved during the COVID-19 pandemic. Further studies should examine the effects of the COVID-19 pandemic on longer term outcome.

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Clinical Characteristics of Coronavirus Disease 2019 in China

Wei-jie Guan, Zheng-yi Ni, Yu Hu … (2020)

Abstract Background Since December 2019, when coronavirus disease 2019 (Covid-19) emerged in Wuhan city and rapidly spread throughout China, data have been needed on the clinical characteristics of the affected patients. Methods We extracted data regarding 1099 patients with laboratory-confirmed Covid-19 from 552 hospitals in 30 provinces, autonomous regions, and municipalities in mainland China through January 29, 2020. The primary composite end point was admission to an intensive care unit (ICU), the use of mechanical ventilation, or death. Results The median age of the patients was 47 years; 41.9% of the patients were female. The primary composite end point occurred in 67 patients (6.1%), including 5.0% who were admitted to the ICU, 2.3% who underwent invasive mechanical ventilation, and 1.4% who died. Only 1.9% of the patients had a history of direct contact with wildlife. Among nonresidents of Wuhan, 72.3% had contact with residents of Wuhan, including 31.3% who had visited the city. The most common symptoms were fever (43.8% on admission and 88.7% during hospitalization) and cough (67.8%). Diarrhea was uncommon (3.8%). The median incubation period was 4 days (interquartile range, 2 to 7). On admission, ground-glass opacity was the most common radiologic finding on chest computed tomography (CT) (56.4%). No radiographic or CT abnormality was found in 157 of 877 patients (17.9%) with nonsevere disease and in 5 of 173 patients (2.9%) with severe disease. Lymphocytopenia was present in 83.2% of the patients on admission. Conclusions During the first 2 months of the current outbreak, Covid-19 spread rapidly throughout China and caused varying degrees of illness. Patients often presented without fever, and many did not have abnormal radiologic findings. (Funded by the National Health Commission of China and others.)

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Neurologic Manifestations of Hospitalized Patients With Coronavirus Disease 2019 in Wuhan, China

Ling Mao, Huijuan Jin, Mengdie Wang … (2020)

The outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, China, is serious and has the potential to become an epidemic worldwide. Several studies have described typical clinical manifestations including fever, cough, diarrhea, and fatigue. However, to our knowledge, it has not been reported that patients with COVID-19 had any neurologic manifestations.

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Large-Vessel Stroke as a Presenting Feature of Covid-19 in the Young

Thomas Oxley, J Mocco, Shahram Majidi … (2020)

To rapidly communicate information on the global clinical effort against Covid-19, the Journal has initiated a series of case reports that offer important teaching points or novel findings. The case reports should be viewed as observations rather than as recommendations for evaluation or treatment. In the interest of timeliness, these reports are evaluated by in-house editors, with peer review reserved for key points as needed. We report five cases of large-vessel stroke in patients younger than 50 years of age who presented to our health system in New York City. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was diagnosed in all five patients. Cough, headache, and chills lasting 1 week developed in a previously healthy 33-year-old woman (Patient 1) (Table 1). She then had progressive dysarthria with both numbness and weakness in the left arm and left leg over a period of 28 hours. She delayed seeking emergency care because of fear of Covid-19. When she presented to the hospital, the score on the National Institutes of Health Stroke Scale (NIHSS) was 19 (scores range from 0 to 42, with higher numbers indicating greater stroke severity), and computed tomography (CT) and CT angiography showed a partial infarction of the right middle cerebral artery with a partially occlusive thrombus in the right carotid artery at the cervical bifurcation. Patchy ground-glass opacities in bilateral lung apices were seen on CT angiography, and testing to detect SARS-CoV-2 was positive. Antiplatelet therapy was initiated; it was subsequently switched to anticoagulation therapy. Stroke workup with echocardiography and magnetic resonance imaging of the head and neck did not reveal the source of the thrombus. Repeat CT angiography on hospital day 10 showed complete resolution of the thrombus, and the patient was discharged to a rehabilitation facility. Over a 2-week period from March 23 to April 7, 2020, a total of five patients (including the aforementioned patient) who were younger than 50 years of age presented with new-onset symptoms of large-vessel ischemic stroke. All five patients tested positive for Covid-19. By comparison, every 2 weeks over the previous 12 months, our service has treated, on average, 0.73 patients younger than 50 years of age with large-vessel stroke. On admission of the five patients, the mean NIHSS score was 17, consistent with severe large-vessel stroke. One patient had a history of stroke. Other pertinent clinical characteristics are summarized in Table 1. A retrospective study of data from the Covid-19 outbreak in Wuhan, China, showed that the incidence of stroke among hospitalized patients with Covid-19 was approximately 5%; the youngest patient in that series was 55 years of age. 1 Moreover, large-vessel stroke was reported in association with the 2004 SARS-CoV-1 outbreak in Singapore. 2 Coagulopathy and vascular endothelial dysfunction have been proposed as complications of Covid-19. 3 The association between large-vessel stroke and Covid-19 in young patients requires further investigation. Social distancing, isolation, and reluctance to present to the hospital may contribute to poor outcomes. Two patients in our series delayed calling an ambulance because they were concerned about going to a hospital during the pandemic.

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Author and article information

Journal

Journal ID (publisher-id): CED

Journal ID (nlm-ta): Cerebrovasc Dis

Journal ID (doi): 10.1159/issn.1015-9770

Title: Cerebrovascular Diseases

Publisher: S. Karger AG

ISSN (Print): 1015-9770

ISSN (Electronic): 1421-9786

Publication date (Electronic): 11 December 2020

Volume:

Issue:

Pages: 1-7

Affiliations

[_a] _aDepartment of Stroke Medicine, Imperial College London NHS Healthcare Trust, London, United Kingdom

[_b] _bDepartment of Brain Sciences, Imperial College London, Hammersmith Hospital, London, United Kingdom

[_c] _cImaging Department, Imperial College London NHS Healthcare Trust, London, United Kingdom

Author notes

*Joseph Kwan, Department of Stroke Medicine, Imperial College Healthcare NHS Trust, Fulham Palace Road, London W6 8RF (UK), joseph.kwan@nhs.net, or, Kyriakos Lobotesis, Imaging Department, Imperial College London NHS Healthcare Trust, Fulham Palace Road, London W6 8RF (UK), k.lobotesis@nhs.net

Author information

Paul Bentley https://orcid.org/0000-0001-8036-7010

Dheeraj Kalladka https://orcid.org/0000-0002-0484-1494

Neil Rane https://orcid.org/0000-0002-1717-6083

Eleanor Taylor https://orcid.org/0000-0001-9439-9371

Marius Venter https://orcid.org/0000-0003-1829-9015

Soma Banerjee https://orcid.org/0000-0003-2466-2909

Article

Publisher ID: 512603 Other ID: Cerebrovasc Dis

DOI: 10.1159/000512603

SO-VID: 954ed3ff-b1c8-4758-90f9-0b266fb8c080

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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

History

Date received : 24 June 2020

Date accepted : 15 October 2020

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Tables: 2, Pages: 7

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Impact of COVID-19 Pandemic on a Regional Stroke Thrombectomy Service in the United Kingdom

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Abstract

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Karger: Coronavirus / COVID-19

Most cited references 28

Clinical Characteristics of Coronavirus Disease 2019 in China

Neurologic Manifestations of Hospitalized Patients With Coronavirus Disease 2019 in Wuhan, China

Large-Vessel Stroke as a Presenting Feature of Covid-19 in the Young

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