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      COVID-19 and Stroke: Casual or Causal Role?

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          Background: The COVID-19 outbreak is currently the major public health concern worldwide. This infection, caused by the novel coronavirus Sars Cov2, primarily affects respiratory system, but there is increasing evidence of neurologic involvement and cerebrovascular accidents. Case Report: We present a case of stroke in a 62-year-old COVID-19-positive patient, with multiple vascular risk factors. The patient arrived 1 h after onset of symptoms, was treated with recombinant tissue plasminogen activator (rtPA) with improvement of neurologic deficits, and later developed right foot arterial ischemia (recanalized by balloon catheter angioplasty) and left arm superficial venous thrombosis. A control computed tomography (CT) scan 7 days after onset showed hemorrhagic transformation of ischemic lesion without mass effect. However, respiratory and neurologic conditions improved so that the patient was discharged to rehabilitation. Discussion: Until now, few cases of stroke in COVID-19 have been described, mainly in severe forms. This patient had ischemic injuries in different sites as well as venous thrombosis; hence, we speculate that Sars Cov2 could have a direct role in promoting vascular accidents since its receptor ACE2 is a surface protein also expressed by endothelial cells. This case suggests that COVID-19 can favor strokes and in general vascular complications, even in milder cases, and the presence of preexisting risk factors could play a determinant role.

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          Virus vasculopathy and stroke: an under-recognized cause and treatment target.

          While arteriosclerotic disease and hypertension, with or without diabetes, are the most common causes of stroke, viruses may also produce transient ischemic attacks and stroke. The three most-well studied viruses in this respect are varicella zoster virus (VZV), cytomegalovirus (CMV) and human immunodeficiency virus (HIV), all of which are potentially treatable with antiviral agents. Productive VZV infection in cerebral arteries after reactivation (zoster) or primary infection (varicella) has been documented as a cause of ischemic and hemorrhagic stroke, aneurysms with subarachnoid and intracerebral hemorrhage, arterial ectasia and as a co-factor in cerebral arterial dissection. CMV has been suggested to play a role in the pathogenesis of arteriosclerotic plaques in cerebral arteries. HIV patients have a small but definite increased incidence of stroke which may be due to either HIV infection or opportunistic VZV infection in these immunocompromised individuals. Importantly, many described cases of vasculopathy in HIV-infected patients were not studied for the presence of anti-VZV IgG antibody in CSF, a sensitive indicator of VZV vasculopathy. Unlike the well-documented role of VZV in vasculopathy, evidence for a causal link between HIV or CMV and stroke remains indirect and awaits further studies demonstrating productive HIV and CMV infection of cerebral arteries in stroke patients. Nonetheless, all three viruses have been implicated in stroke and should be considered in clinical diagnoses.
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            Coagulopathy and antiphospholipid antibodies in patients with Covid 19

             J. Zhang,  M Xiao,  S. ZHANG (2020)
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              The COVID-19 pandemic: consideration for brain infection

              Highlights • The entry of SARS-CoV-2 to brain via olfactory nerves. • The entry of SARS-CoV-2 to brain via ACE-2. • The entry of SARS-CoV-2 via cytokine storms.

                Author and article information

                Cerebrovasc Dis
                Cerebrovascular Diseases
                S. Karger AG
                July 2020
                07 July 2020
                : 49
                : 3
                : 341-344
                aUTN (Neurovascular Therapy Unit), F. Spaziani Hospital, Frosinone, Italy
                bInterventional Radiology, Policlinico Tor Vergata (PTV), Rome, Italy
                Author notes
                *Carlo Emanuele Saggese, Ospedale F. Spaziani, UOSD Unità Terapia Neurovascolare, Via Fabi snc, IT–03100 Frosinone (Italy),
                509453 Cerebrovasc Dis 2020;49:341–344
                © 2020 S. Karger AG, Basel

                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.

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                Figures: 3, Pages: 4
                Case Report


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