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      Facial paralysis as the only symptom of COVID-19: A prospective study

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          Abstract

          Purpose

          Idiopathic facial palsy is called as Bell's palsy and reports showed that facial paralysis increased during COVID-19 pandemic period. There are many reports about the relationship between COVID-19 and facial paralysis but there is no prospective study. SARS-CoV-2 IgG and IgM antibodies increase in COVID-19. Our purpose is to investigate SARS-CoV-2 IgG + IgM antibody in the Bell's palsy.

          Methods

          Prospective cross-sectional study was planned. Patients with acute peripheral facial paralysis with no reason and diagnosed as Bell's palsy was included in the study. In order to investigate SARS-CoV-2 in the etiologies of these patients, SARS-CoV-2 IgM + IgG (total) test was studied. SARS-CoV-2 IgG + IgM was measured by using the ADVIA Centaur® test kit. Test reports result in index values and as nonreactive or reactive. The results were analyzed.

          Results

          Forty-one patients were included in the study. The average age of the patients was 41,7. 17 (41,4%) were female and 24 (58,6%) were male. 21 patients had left-sided; 20 had right-sided paralysis.

          SARS-CoV-2 IgG + IgM values were measured two times of the patients. First control was in the first week of facial paralysis, 10 (24,3%) positivity was found. The average index of the positive patients were 6,74 (min.1,39–max.10) in the first control and 9,585 in the second control (min.8,7–max. 10).

          Conclusion

          We found that the SARS-CoV-2 IgM + IgG antibody test was positive in 24.3% of the patients with Bell's palsy. The results are higher than the seroprevalence studies conducted in asymptomatic individuals. Facial paralysis could be the only symptom of COVID-19 but further studies must be done.

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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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            The trinity of COVID-19: immunity, inflammation and intervention

            Matthew Tay, Chek Meng Poh, Laurent Rénia … (2020)
            Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of the ongoing coronavirus disease 2019 (COVID-19) pandemic. Alongside investigations into the virology of SARS-CoV-2, understanding the fundamental physiological and immunological processes underlying the clinical manifestations of COVID-19 is vital for the identification and rational design of effective therapies. Here, we provide an overview of the pathophysiology of SARS-CoV-2 infection. We describe the interaction of SARS-CoV-2 with the immune system and the subsequent contribution of dysfunctional immune responses to disease progression. From nascent reports describing SARS-CoV-2, we make inferences on the basis of the parallel pathophysiological and immunological features of the other human coronaviruses targeting the lower respiratory tract — severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV). Finally, we highlight the implications of these approaches for potential therapeutic interventions that target viral infection and/or immunoregulation.
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              Neurologic Features in Severe SARS-CoV-2 Infection

              Julie Helms, Stéphane Kremer, Hamid Merdji … (2020)
              To the Editor: We report the neurologic features in an observational series of 58 of 64 consecutive patients admitted to the hospital because of acute respiratory distress syndrome (ARDS) due to Covid-19. The patients received similar evaluations by intensivists in two intensive care units (ICUs) in Strasbourg, France, between March 3 and April 3, 2020. Six patients were excluded because of paralytic neuromuscular blockade when neurologic data were collected or because they had died without a neurologic examination having been performed. In all 58 patients, reverse-transcriptase–polymerase-chain-reaction (RT-PCR) assays of nasopharyngeal samples were positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The median age of the patients was 63 years, and the median Simplified Acute Physiology Score II at the time of neurologic examination was 52 (interquartile range, 37 to 65, on a scale ranging from 0 to 163, with higher scores indicating greater severity of illness). Seven patients had had previous neurologic disorders, including transient ischemic attack, partial epilepsy, and mild cognitive impairment. The neurologic findings were recorded in 8 of the 58 patients (14%) on admission to the ICU (before treatment) and in 39 patients (67%) when sedation and a neuromuscular blocker were withheld. Agitation was present in 40 patients (69%) when neuromuscular blockade was discontinued (Table 1). A total of 26 of 40 patients were noted to have confusion according to the Confusion Assessment Method for the ICU; those patients could be evaluated when they were responsive (i.e., they had a score of −1 to 1 on the Richmond Agitation and Sedation Scale, on a scale of −5 [unresponsive] to +4 [combative]). Diffuse corticospinal tract signs with enhanced tendon reflexes, ankle clonus, and bilateral extensor plantar reflexes were present in 39 patients (67%). Of the patients who had been discharged at the time of this writing, 15 of 45 (33%) had had a dysexecutive syndrome consisting of inattention, disorientation, or poorly organized movements in response to command. Magnetic resonance imaging (MRI) of the brain was performed in 13 patients (Figs. S1 through S3 in the Supplementary Appendix, available with the full text of this letter at NEJM.org). Although these patients did not have focal signs that suggested stroke, they underwent MRI because of unexplained encephalopathic features. Enhancement in leptomeningeal spaces was noted in 8 patients, and bilateral frontotemporal hypoperfusion was noted in all 11 patients who underwent perfusion imaging. Two asymptomatic patients each had a small acute ischemic stroke with focal hyperintensity on diffusion-weighted imaging and an overlapping decreased apparent diffusion coefficient, and 1 patient had a subacute ischemic stroke with superimposed increased diffusion-weighted imaging and apparent diffusion coefficient signals. In the 8 patients who underwent electroencephalography, only nonspecific changes were detected; 1 of the 8 patients had diffuse bifrontal slowing consistent with encephalopathy. Examination of cerebrospinal fluid (CSF) samples obtained from 7 patients showed no cells; in 2 patients, oligoclonal bands were present with an identical electrophoretic pattern in serum, and protein and IgG levels were elevated in 1 patient. RT-PCR assays of the CSF samples were negative for SARS-CoV-2 in all 7 patients. In this consecutive series of patients, ARDS due to SARS-CoV-2 infection was associated with encephalopathy, prominent agitation and confusion, and corticospinal tract signs. Two of 13 patients who underwent brain MRI had single acute ischemic strokes. Data are lacking to determine which of these features were due to critical illness–related encephalopathy, cytokines, or the effect or withdrawal of medication, and which features were specific to SARS-CoV-2 infection.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Am J Otolaryngol
                Journal ID (iso-abbrev): Am J Otolaryngol
                Title: American Journal of Otolaryngology
                Publisher: Elsevier Inc.
                ISSN (Print): 0196-0709
                ISSN (Electronic): 1532-818X
                Publication date PMC-release: 10 February 2021
                Publication date (Print): July-August 2021
                Publication date (Electronic): 10 February 2021
                Volume: 42
                Issue: 4
                Page: 102956
                Affiliations
                [a ]Ankara City Hospital, Department of Otolaryngology Head and Neck Surgery, Ankara, Turkey
                [b ]Ankara Yıldırım Beyazıt University, Department of Otolaryngology Head and Neck Surgery, Ankara, Turkey
                Author notes
                [* ]Corresponding author.
                Article
                Publisher Item ID: S0196-0709(21)00057-0 Publisher ID: 102956
                DOI: 10.1016/j.amjoto.2021.102956
                PMC ID: 7972325
                PubMed ID: 33592554
                SO-VID: 19b719b0-e95e-4fee-a9ae-2dbf39bf23f6
                Copyright © © 2021 Elsevier Inc. All rights reserved.
                License:

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                Date received : 24 January 2021
                Categories
                Subject: Article

                Keywords: sars-cov-2,covid-19,sars-cov-2 igg + igm,facial paralysis,bell's palsy
                Data availability:
                Keywords: sars-cov-2, covid-19, sars-cov-2 igg + igm, facial paralysis, bell's palsy

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