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Tenpaku Y, Mabuchi N, Kawase T, Oguro H, Tatsumi H, Satoh M. A case of suspected autoimmune encephalopathy with involuntary movements and cognitive dysfunction post-COVID-19. PCN REPORTS : PSYCHIATRY AND CLINICAL NEUROSCIENCES 2024; 3:e224. [PMID: 39015732 PMCID: PMC11249827 DOI: 10.1002/pcn5.224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 05/30/2024] [Accepted: 06/18/2024] [Indexed: 07/18/2024]
Abstract
Background We report a case of suspected autoimmune encephalopathy with involuntary movements and concomitant cognitive dysfunction after COVID-19. Case Presentation The patient is a male in his 20s who presented with fever and generalized involuntary movements and was diagnosed with COVID-19. The involuntary movements improved slightly, and the fever resolved within a week of the diagnosis. However, about a month later, the patient presented with severe recurrence of the involuntary movements. Antiepileptic drugs were ineffective, and the patient was re-hospitalized with suspected autoimmune encephalopathy. The electroencephalogram (EEG) was difficult to assess accurately due to involuntary movements. Neuropsychological testing on re-admission revealed mild memory impairment, executive dysfunction, and decreased processing speed. We treated the patient with methylprednisolone (mPSL) 1000 mg/day for a total of 8 days and intravenous immunoglobulin therapy (IVIG) 27.5 g/day for 5 days. Involuntary movements were mild after 59 days. A repeat neuropsychological assessment conducted 3 weeks later showed improvement of both memory and executive functions. The patient was discharged on Day 75, and he returned to work the following month. Conclusion In our patient reported herein, early and appropriate treatment was successful. Impaired activities of daily living and cognitive dysfunction rapidly improved. The case serves to underscore the importance of early detection and intervention for the sequelae of COVID-19.
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Affiliation(s)
- Yosuke Tenpaku
- Department of RehabilitationNagoya Ekisaikai HospitalAichiJapan
- Graduate School of Health ScienceAichi Gakuin UniversityAichiJapan
| | - Naoki Mabuchi
- Department of NeurologyNagoya Ekisaikai HospitalAichiJapan
| | | | - Hideki Oguro
- Department of RehabilitationNagoya Ekisaikai HospitalAichiJapan
| | - Hiroshi Tatsumi
- Department of Health ScienceAichi Gakuin UniversityAichiJapan
| | - Masayuki Satoh
- Center for Comprehensive Care and Research on Memory DisordersNational Center for Geriatrics and GerontologyAichiJapan
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2
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Brauer T, Paika S, Kotwani R, Khanna D. Neurological Complications of COVID-19 Infection: A Comprehensive Review. Cureus 2024; 16:e65192. [PMID: 39176347 PMCID: PMC11341106 DOI: 10.7759/cureus.65192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 07/19/2024] [Indexed: 08/24/2024] Open
Abstract
The COVID-19 pandemic is well on its way to reaching endemic status across the globe. While the medical community's understanding of the respiratory complications induced by COVID-19 is improving, there is still much to be learned about the neurological manifestations associated with COVID-19 infection. This review aimed to compile relevant, available evidence of COVID-19-induced neurological complications and to provide information for each complication regarding symptomology, progression patterns, demographic risk factors, treatment, and causative mechanism of action when available. Data for this review was collected using a confined search on PubMed using the keywords ["COVID-19" OR "SARS-CoV-2"] AND ["neurological complications" OR "olfactory symptoms" OR "gustatory symptoms" OR "myalgia" OR "headache" OR "dizziness" OR "stroke" OR "seizures" OR "meningoencephalitis" OR "cerebellar ataxia" OR "acute myelitis" OR "Guillain Barré Syndrome" OR "Miller Fisher Syndrome" OR "Posterior Reversible Encephalopathy Syndrome"] between 2019 and 2023. A wide range of neurological manifestations impact a significant percentage of COVID-19 patients, and a deeper understanding of these manifestations is necessary to ensure adequate management. The most common neurological complications identified consist of olfactory and gustatory dysfunctions, myalgia, headache, and dizziness, while the most severe complications include stroke, seizures, meningoencephalitis, Guillain-Barré syndrome, Miller Fisher syndrome, acute myelitis, and posterior reversible encephalopathy syndrome. While this review effectively provides a roadmap of the neurological risks posed to COVID-19 patients, further research is needed to clarify the precise incidence of these complications and to elucidate the mechanisms responsible for their manifestation.
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Affiliation(s)
- Travis Brauer
- Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
| | - Sulaiman Paika
- Foundational Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
| | - Roshni Kotwani
- Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
| | - Deepesh Khanna
- Foundational Sciences, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Clearwater, USA
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3
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Flageol S, Sequeira N, Guo M. Successful neurorehabilitation 2 years post-COVID-19 cerebellitis. PM R 2024; 16:794-795. [PMID: 37612836 DOI: 10.1002/pmrj.13061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/25/2023]
Affiliation(s)
- Stéphanie Flageol
- Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada
| | - Nicholas Sequeira
- Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada
| | - Meiqi Guo
- Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
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4
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Yuda GPWC, Hanif N, Hermawan A. Computational Screening Using a Combination of Ligand-Based Machine Learning and Molecular Docking Methods for the Repurposing of Antivirals Targeting the SARS-CoV-2 Main Protease. Daru 2024; 32:47-65. [PMID: 37907683 PMCID: PMC11087449 DOI: 10.1007/s40199-023-00484-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 09/20/2023] [Indexed: 11/02/2023] Open
Abstract
BACKGROUND COVID-19 is an infectious disease caused by SARS-CoV-2, a close relative of SARS-CoV. Several studies have searched for COVID-19 therapies. The topics of these works ranged from vaccine discovery to natural products targeting the SARS-CoV-2 main protease (Mpro), a potential therapeutic target due to its essential role in replication and conserved sequences. However, published research on this target is limited, presenting an opportunity for drug discovery and development. METHOD This study aims to repurpose 10692 drugs in DrugBank by using ligand-based virtual screening (LBVS) machine learning (ML) with Konstanz Information Miner (KNIME) to seek potential therapeutics based on Mpro inhibitors. The top candidate compounds, the native ligand (GC-376) of the Mpro inhibitor, and the positive control boceprevir were then subjected to absorption, distribution, metabolism, excretion, and toxicity (ADMET) characterization, drug-likeness prediction, and molecular docking (MD). Protein-protein interaction (PPI) network analysis was added to provide accurate information about the Mpro regulatory network. RESULTS This study identified 3,166 compound candidates inhibiting Mpro. The random forest (RF) molecular access system ML model provided the highest confidence score of 0.95 (bromo-7-nitroindazole) and identified the top 22 candidate compounds. Subjecting the 22 candidate compounds, the native ligand GC-376, and boceprevir to further ADMET property characterization and drug-likeness predictions revealed that one compound had two violations of Lipinski's rule. Additional MD results showed that only five compounds had more negative binding energies than the native ligand (- 12.25 kcal/mol). Among these compounds, CCX-140 exhibited the lowest score of - 13.64 kcal/mol. Through literature analysis, six compound classes with potential activity for Mpro were discovered. They included benzopyrazole, azole, pyrazolopyrimidine, carboxylic acids and derivatives, benzene and substituted derivatives, and diazine. Four pathologies were also discovered on the basis of the Mpro PPI network. CONCLUSION Results demonstrated the efficiency of LBVS combined with MD. This combined strategy provided positive evidence showing that the top screened drugs, including CCX-140, which had the lowest MD score, can be reasonably advanced to the in vitro phase. This combined method may accelerate the discovery of therapies for novel or orphan diseases from existing drugs.
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Affiliation(s)
- Gusti Putu Wahyunanda Crista Yuda
- Laboratory of Macromolecular Engineering, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara II, 55281, Yogyakarta, Indonesia
| | - Naufa Hanif
- Master Student of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Hacettepe University, Ankara, 06100, Turkey
| | - Adam Hermawan
- Laboratory of Macromolecular Engineering, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara II, 55281, Yogyakarta, Indonesia.
- Laboratory of Advanced Pharmaceutical Sciences. APSLC Building, Faculty of Pharmacy, Universitas Gadjah Mada Sekip Utara II, 55281, Yogyakarta, Indonesia.
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5
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Manto M, Hadjivassiliou M, Baizabal-Carvallo JF, Hampe CS, Honnorat J, Joubert B, Mitoma H, Muñiz-Castrillo S, Shaikh AG, Vogrig A. Consensus Paper: Latent Autoimmune Cerebellar Ataxia (LACA). CEREBELLUM (LONDON, ENGLAND) 2024; 23:838-855. [PMID: 36991252 PMCID: PMC10060034 DOI: 10.1007/s12311-023-01550-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 06/01/2023]
Abstract
Immune-mediated cerebellar ataxias (IMCAs) have diverse etiologies. Patients with IMCAs develop cerebellar symptoms, characterized mainly by gait ataxia, showing an acute or subacute clinical course. We present a novel concept of latent autoimmune cerebellar ataxia (LACA), analogous to latent autoimmune diabetes in adults (LADA). LADA is a slowly progressive form of autoimmune diabetes where patients are often initially diagnosed with type 2 diabetes. The sole biomarker (serum anti-GAD antibody) is not always present or can fluctuate. However, the disease progresses to pancreatic beta-cell failure and insulin dependency within about 5 years. Due to the unclear autoimmune profile, clinicians often struggle to reach an early diagnosis during the period when insulin production is not severely compromised. LACA is also characterized by a slowly progressive course, lack of obvious autoimmune background, and difficulties in reaching a diagnosis in the absence of clear markers for IMCAs. The authors discuss two aspects of LACA: (1) the not manifestly evident autoimmunity and (2) the prodromal stage of IMCA's characterized by a period of partial neuronal dysfunction where non-specific symptoms may occur. In order to achieve an early intervention and prevent cell death in the cerebellum, identification of the time-window before irreversible neuronal loss is critical. LACA occurs during this time-window when possible preservation of neural plasticity exists. Efforts should be devoted to the early identification of biological, neurophysiological, neuropsychological, morphological (brain morphometry), and multimodal biomarkers allowing early diagnosis and therapeutic intervention and to avoid irreversible neuronal loss.
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Affiliation(s)
- Mario Manto
- Service de Neurologie, Médiathèque Jean Jacquy, CHU-Charleroi, Charleroi, Belgium
- Service des Neurosciences, University of Mons, Mons, Belgium
| | | | | | | | - Jerome Honnorat
- French Reference Center on Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Institut NeuroMyoGene MELIS INSERM U1314/CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Bastien Joubert
- French Reference Center on Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Institut NeuroMyoGene MELIS INSERM U1314/CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Hiroshi Mitoma
- Department of Medical Education, Tokyo Medical University, Tokyo, Japan.
| | | | - Aasef G Shaikh
- Louis Stokes Cleveland VA Medical Center, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Alberto Vogrig
- Clinical Neurology, Udine University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
- Department of Medicine (DAME), University of Udine, Udine, Italy
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6
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Siddig EE, Misbah El‐Sadig S, Eltigani HF, Musa AM, Mohamed NS, Ahmed A. Delayed cerebellar ataxia induced by Plasmodium falciparum malaria: A rare complication. Clin Case Rep 2023; 11:e8053. [PMID: 37867542 PMCID: PMC10589394 DOI: 10.1002/ccr3.8053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 09/28/2023] [Accepted: 10/02/2023] [Indexed: 10/24/2023] Open
Abstract
Key Clinical Message In endemic areas, malaria-induced cerebellar ataxia should be suspected in patients presenting with neurological disorders including slurred speech, tremors, and a sense of imbalance and dizziness while walking. Healthcare providers should be aware to properly investigate and early detect and manage infections associated with the development of cerebellar ataxia to improve the case management and clinical outcome cost-effectively. Abstract Here, we report the clinical manifestations, investigations, and outcomes of a patient developed delayed cerebellar ataxia following a malaria infection: an unusual complication of the disease. This report highlights the diagnostic challenges in a country endemic with several infectious diseases, yet it has a limited diagnostic and surveillance capacity.
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Affiliation(s)
| | | | | | | | - Nouh Saad Mohamed
- Molecular Biology UnitSirius Training and Research CentreKhartoumSudan
| | - Ayman Ahmed
- Institute of Endemic DiseaseUniversity of KhartoumKhartoumSudan
- Swiss Tropical and Public Health Institute (Swiss TPH)AllschwilSwitzerland
- University of BaselBaselSwitzerland
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7
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Tabatabaee S, Akhoundi FH, Khobeydeh A, Tabatabaei SM, Haghi Ashtiani B. Acute cerebellitis following COVID-19 vaccination: A case report. Clin Case Rep 2023; 11:e8050. [PMID: 37850056 PMCID: PMC10577163 DOI: 10.1002/ccr3.8050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023] Open
Abstract
A plethora of neurological symptoms have been reported as the side effects of COVID-19 vaccines. Vaccine-associated acute cerebellitis is quite rare. Here, we report a 45-year-old female with acute onset cerebellitis, beginning 10 days after administration of Sinopharm vaccine. The patient's CSF COVID-19 PCR was found to be positive, with no pulmonary symptoms.
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Affiliation(s)
- Seyedehnarges Tabatabaee
- Department of Neurology, Firoozgar hospital, School of MedicineIran University of Medical SciencesTehranIran
| | - Fahimeh H. Akhoundi
- Department of Neurology, Firoozgar hospital, School of MedicineIran University of Medical SciencesTehranIran
| | - Afsaneh Khobeydeh
- Department of Neurology, Firoozgar hospital, School of MedicineIran University of Medical SciencesTehranIran
| | | | - Bahram Haghi Ashtiani
- Department of Neurology, Firoozgar hospital, School of MedicineIran University of Medical SciencesTehranIran
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8
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Pillai KS, Misra S, Siripurapu G, Aliyar A, Bhat P, Rajan R, Srivastava A, Goyal V, Venkitachalam A, Radhakrishnan DM. De Novo Movement Disorders Associated with COVID-19- A Systematic Review of Individual Patients. Ann Indian Acad Neurol 2023; 26:702-707. [PMID: 38022478 PMCID: PMC10666879 DOI: 10.4103/aian.aian_572_23] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/28/2023] [Accepted: 08/14/2023] [Indexed: 12/01/2023] Open
Abstract
Background COVID-19 infection is associated with neurological manifestations, including various types of movement disorders (MD). A thorough review of individual patients with COVID-19-induced MD would help in better understanding the clinical profile and outcome of these patients and in prognostication. Objective We conducted an individual patient-systematic review to study the clinical and imaging profile and outcomes of patients with COVID-19-associated MD. Methods A systematic literature search of PubMed, EMBASE, and Cochrane databases was conducted by two independent reviewers. Individual patient data COVID from case reports and case series on COVID-19-associated MD, published between December 2019 and December 2022, were extracted and analyzed. Results Data of 133 patients with COVID-19-associated MD from 82 studies were analyzed. Mean age was 55 ± 18 years and 77% were males. A mixed movement disorder was most commonly seen (41%); myoclonus-ataxia was the most frequent (44.4%). Myoclonus significantly correlated with age (odds ratio (OR) 1.02 P = 0.03, CI 1-1.04). Tremor had the longest latency to develop after SARS-CoV-2 infection [median (IQR) 21 (10-40) days, P = 0.009, CI 1.01-1.05]. At short-term follow-up, myoclonus improved (OR 14.35, P value = 0.01, CI 1.71-120.65), whereas parkinsonism (OR 0.09, P value = 0.002, CI 0.19-0.41) and tremor (OR 0.16, P value = 0.016, CI 0.04-0.71) persisted. Conclusion Myoclonus-ataxia was the most common movement disorder after COVID-19 infection. Myoclonus was seen in older individuals and usually improved. Tremor and parkinsonism developed after a long latency and did not improve in the short-term.
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Affiliation(s)
- Kanchana S. Pillai
- Department of Neurology, Bombay Hospital Institute of Medical Sciences, Mumbai, Maharashtra, India
| | - Shubham Misra
- Department of Neurology, Yale University School of Medicine, New Haven, CT, USA
| | - Govinda Siripurapu
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Aminu Aliyar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Priyanka Bhat
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Roopa Rajan
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Achal Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Vinay Goyal
- Institute of Neurosciences, Medanta the Medicity, Gurugram, Haryana, India
| | - Anil Venkitachalam
- Department of Neurology, Lokmanya Tilak Municipal Medical College, Mumbai, Maharashtra, India
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9
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Plumacker F, Lambert N, Maquet P. Immune-mediated cerebellitis following SARS-CoV-2 infection-a case report and review of the literature. J Neurovirol 2023; 29:507-518. [PMID: 37589883 DOI: 10.1007/s13365-023-01163-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 03/15/2023] [Accepted: 07/26/2023] [Indexed: 08/18/2023]
Abstract
The coronavirus disease 2019 (COVID-19) can be associated with a wide variety of neurological manifestations. Some of these manifestations might result from the ongoing systemic inflammatory state, but the pathophysiology of specific neurologic involvement is still unclear. In this article, we report a patient who developed an isolated cerebellar syndrome 9 weeks after an episode of COVID-19. The reverse-transcriptase polymerase chain reaction (RT-PCR) for SARS-CoV-2 was positive on cerebrospinal fluid (CSF). A post-infectious-autoimmune-cerebellitis following COVID-19 was suspected, and the patient was treated with corticosteroids, leading to a complete recovery within a few weeks. We review the other cases of COVID-19-associated cerebellar syndrome reported so far and discuss the potential pathophysiological mechanisms underlying this neurologic manifestation.
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Affiliation(s)
- Florence Plumacker
- Department of Neurology, University Hospital of Liège, Liège, Belgium.
- Service de Neurologie, CHU de Liège, Avenue de L'Hôpital 1, 4000, Liège, Belgium.
| | - Nicolas Lambert
- Department of Neurology, University Hospital of Liège, Liège, Belgium
| | - Pierre Maquet
- Department of Neurology, University Hospital of Liège, Liège, Belgium
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10
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Fung WK, Fasano A, Fearon C. Movement Disorders and SARS-CoV-2. Mov Disord Clin Pract 2023; 10:S9-S17. [PMID: 37637980 PMCID: PMC10448146 DOI: 10.1002/mdc3.13615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- Wilson K.W. Fung
- Division of Neurology, Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital – UHNUniversity of TorontoTorontoOntarioCanada
| | - Alfonso Fasano
- Division of Neurology, Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital – UHNUniversity of TorontoTorontoOntarioCanada
- Krembil Research InstituteTorontoOntarioCanada
- Center for Advancing Neurotechnological Innovation to Application (CRANIA)TorontoOntarioCanada
- Department of Parkinson's Disease and Movement Disorders Rehabilitation‘Moriggia‐Pelascini’ Hospital – Gravedona ed UnitiComoItaly
| | - Conor Fearon
- Division of Neurology, Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital – UHNUniversity of TorontoTorontoOntarioCanada
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11
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Ousseiran ZH, Fares Y, Chamoun WT. Neurological manifestations of COVID-19: a systematic review and detailed comprehension. Int J Neurosci 2023; 133:754-769. [PMID: 34433369 PMCID: PMC8506813 DOI: 10.1080/00207454.2021.1973000] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/25/2021] [Accepted: 08/16/2021] [Indexed: 12/13/2022]
Abstract
The current pandemic caused by severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) is accompanied with a rapid increase of reports and papers detailing its neurological effects and symptoms. The virus infection causes respiratory illness named by the world health organization as corona virus 19 (COVID-19).This systematic review aims to study and summarize the different neurological manifestations of this virus. All articles published and indexed via Pubmed, Medline and Google Scholar databases between January 1st 2020 and February 28th 2021 that reported neurological symptoms of SARS-CoV-2 are reviewed following the Preferred Reporting Items for Systemic review and Meta-Analysis (PRISMA) guidelines.We included data from 113 articles: eight prospective studies, 25 retrospective studies and the rest were case reports/series. COVID-19 can present with central nervous system manifestations, such as headache, encephalitis and encephalopathy, peripheral nervous system manifestations, such as anosmia, ageusia and Guillian Barre syndrome, and skeletal muscle manifestations, such as myalgia and myasthenia gravis. Our systematic review showed that COVID-19 can be manifested by a wide spectrum of neurological symptoms reported either in the early stage or within the course of the disease. However, a detailed comprehension of these manifestations is required and more studies are needed in order to improve our scientific knowledge and to develop preventive and therapeutic measures to control this pandemic.
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Affiliation(s)
- Zeina Hassan Ousseiran
- Neuroscience Research Center, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon
| | - Youssef Fares
- Neuroscience Research Center, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon
| | - Wafaa Takash Chamoun
- Neuroscience Research Center, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon
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12
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de Vargas D, Ramírez EGL, Pereira CF, de Oliveira SR. Telenursing in mental health: effect on anxiety symptoms and alcohol consumption during the COVID-19 pandemic. Rev Lat Am Enfermagem 2023; 31:e3932. [PMID: 37283418 PMCID: PMC10243443 DOI: 10.1590/1518-8345.6172.3932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 02/26/2023] [Indexed: 06/08/2023] Open
Abstract
OBJECTIVE (1) A remote intervention with a positive impact on reducing anxiety and alcohol use. (2) Nursing as a protagonist of preventive care in mental health (3) A low-cost intervention that covers several population groups. (4) Telenursing in mental health as a care strategy during COVID-19. to investigate the effect of a remote intervention on anxiety symptoms and alcohol use in users of the Primary Health Care service. METHOD a quasi-experimental study conducted with 1,270 participants who answered the Alcohol Use Disorders Identification Test and the State-Trait Anxiety Inventory-6. Of these, 1,033 interviewees scored for moderate/severe anxiety symptoms (STAI-6 > 3) and moderate/severe risk alcohol use (AUDIT-C > 3), and received the interventions via telephone calls with follow-up periods lasting seven and 180 days. For data analysis, a mixed-effects regression model was used. RESULTS the effect of the intervention performed was positive in reducing anxiety symptoms between T0 and T1 (µ=1.6, p<0.001) and in reducing the alcohol use pattern between T1 and T3 (µ=1.57, p<0.001). CONCLUSION the follow-up results suggest a positive effect of the intervention in reducing anxiety and the alcohol use pattern, which tends to be maintained over time. There is diverse evidence that the intervention proposed can be an alternative for preventive care in mental health, in situations where accessibility of the user or the professional is compromised.
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Affiliation(s)
- Divane de Vargas
- Universidade de São Paulo, Escola de Enfermagem, São Paulo, SP, Brasil
| | - Erika Gisseth León Ramírez
- Universidade de São Paulo, Escola de Enfermagem, São Paulo, SP, Brasil
- Universidade de Guarulhos, Guarulhos, SP, Brasil
- Becaria de la Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Brasil
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13
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Lin CYR, Kuo SH. Ataxias: Hereditary, Acquired, and Reversible Etiologies. Semin Neurol 2023; 43:48-64. [PMID: 36828010 DOI: 10.1055/s-0043-1763511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
A variety of etiologies can cause cerebellar dysfunction, leading to ataxia symptoms. Therefore, the accurate diagnosis of the cause for cerebellar ataxia can be challenging. A step-wise investigation will reveal underlying causes, including nutritional, toxin, immune-mediated, genetic, and degenerative disorders. Recent advances in genetics have identified new genes for both autosomal dominant and autosomal recessive ataxias, and new therapies are on the horizon for targeting specific biological pathways. New diagnostic criteria for degenerative ataxias have been proposed, specifically for multiple system atrophy, which will have a broad impact on the future clinical research in ataxia. In this article, we aim to provide a review focus on symptoms, laboratory testing, neuroimaging, and genetic testing for the diagnosis of cerebellar ataxia causes, with a special emphasis on recent advances. Strategies for the management of cerebellar ataxia is also discussed.
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Affiliation(s)
- Chi-Ying R Lin
- Department of Neurology, Parkinson's Disease Center and Movement Disorders Clinic, Baylor College of Medicine, Houston, Texas.,Department of Neurology, Alzheimer's Disease and Memory Disorders Center, Baylor College of Medicine, Houston, Texas
| | - Sheng-Han Kuo
- Department of Neurology, College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, New York.,Initiative for Columbia Ataxia and Tremor, Columbia University Irving Medical Center, New York, New York
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14
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Schmidt D. [Ocular symptoms in cerebellitis caused by COVID-19 : Cerebellitis, a less noticed disease with neuro-ophthalmological findings]. DIE OPHTHALMOLOGIE 2023; 120:2-6. [PMID: 36169716 PMCID: PMC9516533 DOI: 10.1007/s00347-022-01725-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 07/11/2022] [Accepted: 08/16/2022] [Indexed: 01/28/2023]
Abstract
The disease pattern of acute cerebellitis has been increasingly noticed in recent years. Two different courses had been observed. A mild form with slight ataxic disorders (as a postinfectious self-limiting disease) and a fulminant course of cerebellitis with cerebellar swelling, which compresses Sylvius' aqueduct, leading to an increased intracranial pressure with an obstructive hydrocephalus, and downward herniation of the cerebellar tonsils in the foramen magnum. In this case the course can be fatal if neurosurgical emergency treatment comes too late. Cerebellitis has been observed as a sequela to a virus infection and by autoimmune-mediated inflammation. Numerous publications were concerned with childhood cerebellitis but less commonly in adults. Neuro-ophthalmological findings were frequently described as nystagmus (horizontal gaze-evoked nystagmus, vertical nystagmus, downbeat nystagmus, periodic alternating nystagmus), papilledema, more rarely paresis of the abducens or facial nerve, photophobia and very rarely an opsoclonous-myoclonous syndrome. Cerebellitis with neuro-ophthalmological findings has repeatedly been described in adults during the coronavirus disease 2019 (COVID-19) pandemic.
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Affiliation(s)
- Dieter Schmidt
- Klinik für Augenheilkunde der Universität, Killianstr. 5, 79106 Freiburg, Deutschland
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15
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Chow EKH, Rabin BM, Ruge J. Postinfectious coronavirus disease 2019 hemorrhagic cerebellitis: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2022; 4:CASE22219. [PMID: 36083772 PMCID: PMC9451054 DOI: 10.3171/case22219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/28/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND
Conditions that can mimic posterior fossa tumors are rare. Their identification is crucial to avoid unnecessary surgical intervention, especially when prompt initiation of medical therapy is critical.
OBSERVATIONS
The authors presented a case of pseudotumoral hemorrhagic cerebellitis in a 3-year-old boy who presented initially with headache, persistent vomiting, and decreased level of consciousness 9 weeks after severe acute respiratory syndrome coronavirus 2 infection. Magnetic resonance imaging showed a left cerebellar hemorrhagic mass–like lesion with edema and mild hydrocephalus. The patient responded to high-dose steroids and was discharged 2 weeks later with complete recovery.
LESSONS
When evaluating patients with possible tumor syndromes, it is important to also consider rarer inflammatory syndromes that can masquerade as neoplasms. Postinfectious hemorrhagic cerebellitis is one such syndrome.
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Affiliation(s)
- Eric K. H. Chow
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, Chicago, Illinois; and
| | | | - John Ruge
- Pediatric Neurosurgery, Advocate Lutheran General Hospital, Chicago, Illinois
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16
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Zecevic M, Kotur N, Ristivojevic B, Gasic V, Skodric-Trifunovic V, Stjepanovic M, Stevanovic G, Lavadinovic L, Zukic B, Pavlovic S, Stankovic B. Genome-Wide Association Study of COVID-19 Outcomes Reveals Novel Host Genetic Risk Loci in the Serbian Population. Front Genet 2022; 13:911010. [PMID: 35910207 PMCID: PMC9329799 DOI: 10.3389/fgene.2022.911010] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/21/2022] [Indexed: 11/16/2022] Open
Abstract
Host genetics, an important contributor to the COVID-19 clinical susceptibility and severity, currently is the focus of multiple genome-wide association studies (GWAS) in populations affected by the pandemic. This is the first study from Serbia that performed a GWAS of COVID-19 outcomes to identify genetic risk markers of disease severity. A group of 128 hospitalized COVID-19 patients from the Serbian population was enrolled in the study. We conducted a GWAS comparing (1) patients with pneumonia (n = 80) against patients without pneumonia (n = 48), and (2) severe (n = 34) against mild disease (n = 48) patients, using a genotyping array followed by imputation of missing genotypes. We have detected a significant signal associated with COVID-19 related pneumonia at locus 13q21.33, with a peak residing upstream of the gene KLHL1 (p = 1.91 × 10−8). Our study also replicated a previously reported COVID-19 risk locus at 3p21.31, identifying lead variants in SACM1L and LZTFL1 genes suggestively associated with pneumonia (p = 7.54 × 10−6) and severe COVID-19 (p = 6.88 × 10−7), respectively. Suggestive association with COVID-19 pneumonia has also been observed at chromosomes 5p15.33 (IRX, NDUFS6, MRPL36, p = 2.81 × 10−6), 5q11.2 (ESM1, p = 6.59 × 10−6), and 9p23 (TYRP1, LURAP1L, p = 8.69 × 10−6). The genes located in or near the risk loci are expressed in neural or lung tissues, and have been previously associated with respiratory diseases such as asthma and COVID-19 or reported as differentially expressed in COVID-19 gene expression profiling studies. Our results revealed novel risk loci for pneumonia and severe COVID-19 disease which could contribute to a better understanding of the COVID-19 host genetics in different populations.
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Affiliation(s)
- Marko Zecevic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
- Seven Bridges, Boston, MA, United States
| | - Nikola Kotur
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Bojan Ristivojevic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Vladimir Gasic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Vesna Skodric-Trifunovic
- Clinic of Pulmonology, Clinical Centre of Serbia, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Mihailo Stjepanovic
- Clinic of Pulmonology, Clinical Centre of Serbia, Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Goran Stevanovic
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Clinic for Infectious and Tropical Diseases, Clinical Centre of Serbia, Belgrade, Serbia
| | - Lidija Lavadinovic
- Clinic for Infectious and Tropical Diseases, Clinical Centre of Serbia, Belgrade, Serbia
| | - Branka Zukic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Sonja Pavlovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Biljana Stankovic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
- *Correspondence: Biljana Stankovic,
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17
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Salari M, Hojjati Pour F, Zaker Harofteh B, Etemadifar M. Acute post-infection cerebellar ataxia following SARS-CoV-2 infection: A case report. Clin Case Rep 2022; 10:e5980. [PMID: 35734190 PMCID: PMC9194466 DOI: 10.1002/ccr3.5980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/17/2022] [Accepted: 06/07/2022] [Indexed: 11/06/2022] Open
Abstract
APCA is characterized as a sudden loss of coordination of muscle movements due to an infection and is the most frequent form of acute cerebellar ataxia (ACA), a common neurological disease in children. We attempt to underline that acute post-infectious cerebellar ataxia (APCA) can be a post-COVID complication in children.
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Affiliation(s)
- Mehri Salari
- Neuro Functional Research Center, School of MedicineShahid Beheshti University of Medical SciencesTeheranIran
| | | | | | - Masoud Etemadifar
- Department of Neurology, School of MedicineIsfahan University of Medical SciencesIsfahanIran
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18
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O'Neill KA, Polavarapu A. Acute Cerebellar Ataxia Associated with COVID-19 Infection in a 5-Year-Old Boy. Child Neurol Open 2021; 8:2329048X211066755. [PMID: 34950747 PMCID: PMC8689433 DOI: 10.1177/2329048x211066755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/20/2021] [Accepted: 11/16/2021] [Indexed: 11/22/2022] Open
Abstract
Background:Neurologic manifestations can occur in many adult patients with
COVID-19 but are less frequently described in the literature than the respiratory or
inflammatory effects of the disease. There are even fewer reports of the neurologic
manifestations of the disease in children. Case Report: A 5-year-old boy with
type 1 diabetes mellitus had minimal symptoms from COVID-19 infection. Eight days later,
he developed acute ataxia, double vision, tremor, and dysmetria. Cerebrospinal fluid (CSF)
and imaging were unremarkable. He was treated with supportive care and discharged home
after 4 days. Neurologic symptoms gradually improved and resolved at 2 month follow up.
Conclusion: Providers should be aware of acute cerebellar ataxia as a
possible complication in pediatric patients recovering from COVID-19.
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Affiliation(s)
- Kimberly A O'Neill
- Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Aparna Polavarapu
- Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
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19
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Salari M, Zaker Harofteh B, Etemadifar M, Sedaghat N, Nouri H. Movement Disorders Associated with COVID-19. PARKINSON'S DISEASE 2021; 2021:3227753. [PMID: 34790346 PMCID: PMC8592762 DOI: 10.1155/2021/3227753] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 09/27/2021] [Accepted: 10/27/2021] [Indexed: 01/07/2023]
Abstract
As neurological complications associated with COVID-19 keep unfolding, the number of cases with COVID-19-associated de novo movement disorders is rising. Although no clear pathomechanistic explanation is provided yet, the growing number of these cases is somewhat alarming. This review gathers information from 64 reports of de novo movement disorders developing after/during infection with SARS-CoV-2. Three new cases with myoclonus occurring shortly after a COVID-19 infection are also presented. Treatment resulted in partial to complete recovery in all three cases. Although the overall percentage of COVID-19 patients who develop movement disorders is marginal, explanations on a probable causal link have been suggested by numerous reports; most commonly involving immune-mediated and postinfectious and less frequently hypoxic-associated and ischemic-related pathways. The current body of evidence points myoclonus and ataxia out as the most frequent movement disorders occurring in COVID-19 patients. Some cases of tremor, chorea, and hypokinetic-rigid syndrome have also been observed in association with COVID-19. In particular, parkinsonism may be of dual concern in the setting of COVID-19; some have linked viral infections with Parkinson's disease (PD) based on results from cerebrospinal fluid analyses, and PD is speculated to impact the outcome of COVID-19 in patients negatively. In conclusion, the present paper reviewed the demographic, clinical, and treatment-associated information on de novo movement disorders in COVID-19 patients in detail; it also underlined the higher incidence of myoclonus and ataxia associated with COVID-19 than other movement disorders.
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Affiliation(s)
- Mehri Salari
- Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Masoud Etemadifar
- Alzahra Research Institute, Alzahra University Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahad Sedaghat
- Alzahra Research Institute, Alzahra University Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
- Network of Immunity in Infection Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Isfahan, Iran
| | - Hosein Nouri
- Alzahra Research Institute, Alzahra University Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
- Network of Immunity in Infection Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Isfahan, Iran
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20
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Abdurrahman L, Fang X, Zhang Y. Molecular Insights of SARS-CoV-2 Infection and Molecular Treatments. Curr Mol Med 2021; 22:621-639. [PMID: 34645374 DOI: 10.2174/1566524021666211013121831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 06/15/2021] [Accepted: 07/23/2021] [Indexed: 01/18/2023]
Abstract
The coronavirus disease emerged in December 2019 (COVID-19) caused by Severe Acute Respiratory Syndrome-related coronavirus 2 (SARS-CoV-2) and its rapid global spread has brought an international health emergency and urgent responses for seeking efficient prevention and therapeutic treatment. This has led to imperative needs for illustration of the molecular pathogenesis of SARS-CoV-2, identification of molecular targets or receptors, and development of antiviral drugs, antibodies, and vaccines. In this study, we investigated the current research progress in combating SARS-CoV-2 infection. Based on the published research findings, we first elucidated, at the molecular level, SARS-CoV-2 viral structures, potential viral host-cell-invasion and pathogenic mechanisms, main virus-induced immune responses, and emerging SARS-CoV-2 variants. We then focused on the main virus- and host-based potential targets, summarized and categorized effective inhibitory molecules based on drug development strategies for COVID-19, that can guide efforts for the identification of new drugs and treatment for this problematic disease. Current research and development of antibodies and vaccines were also introduced and discussed. We concluded that the main virus entry route- SARS-CoV-2 spike protein interaction with ACE2 receptors has played a key role in guiding the development of therapeutic treatments against COVID-19, four main therapeutic strategies may be considered in developing molecular therapeutics, and drug repurposing is likely to be an easy, fast and low-cost approach in such a short period of time with urgent need of antiviral drugs. Additionally, the quick development of antibody and vaccine candidates has yielded promising results, but the wide-scale deployment of safe and effective COVID-19 vaccines remains paramount in solving the pandemic crisis. As new variants of the virus begun to emerge, the efficacy of these vaccines and treatments must be closely evaluated. Finally, we discussed the possible challenges of developing molecular therapeutics for COVID-19 and suggested some potential future efforts. Despite the limited availability of literatures, our attempt in this work to provide a relatively comprehensive overview of current SARS-CoV-2 studies can be helpful for quickly acquiring the key information of COVID-19 and further promoting this important research to control and diminish the pandemic.
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Affiliation(s)
- Lama Abdurrahman
- Department of Chemistry, The University of Texas Rio Grande Valley, Edinburg, Texas 78539. United States
| | - Xiaoqian Fang
- Department of Molecular Science, School of Medicine, The University of Texas Rio Grande Valley, Edinburg, Texas 78539. United States
| | - Yonghong Zhang
- Department of Chemistry, The University of Texas Rio Grande Valley, Edinburg, Texas 78539. United States
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21
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Malayala SV, Jaidev P, Vanaparthy R, Jolly TS. Acute COVID-19 Cerebellitis: A Rare Neurological Manifestation of COVID-19 Infection. Cureus 2021; 13:e18505. [PMID: 34754665 PMCID: PMC8569692 DOI: 10.7759/cureus.18505] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2021] [Indexed: 12/31/2022] Open
Abstract
The COVID-19 virus is well known to cause respiratory tract infections but several non-respiratory presentations and post-infectious complications have been well reported since its origin. With this case report, we present a rare manifestation of COVID-19 infection that presented as acute cerebellitis. This is a case of a 63-year-old Caucasian male patient who presented with altered mental status and ataxia. He was diagnosed with COVID-19 infection about five days prior to presenting to the hospital. Neurological exam was consistent with cerebellar symptoms like broad bases gait, truncal ataxia and subsequent imaging revealed white matter degeneration and edema of the cerebellar hemispheres. The symptoms completely resolved following treatment of ongoing COVID-19 infection with corticosteroids and intravenous remdesivir. With this case report, we intend to discuss the available literature regarding the clinical manifestations, management, and prognosis of COVID-19-induced cerebellitis.
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Affiliation(s)
| | | | | | - Taranjeet S Jolly
- Psychiatry and Behavioral Sciences, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
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22
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Zamani R, Pouremamali R, Rezaei N. Central neuroinflammation in Covid-19: a systematic review of 182 cases with encephalitis, acute disseminated encephalomyelitis, and necrotizing encephalopathies. Rev Neurosci 2021; 33:397-412. [PMID: 34536341 DOI: 10.1515/revneuro-2021-0082] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/19/2021] [Indexed: 12/11/2022]
Abstract
Growing evidence demonstrates the association of encephalitis, meningoencephalitis or encephalomyelitis, with SARS-CoV-2 infection. This study aims to determine the profile and possible mechanisms behind CNS inflammatory diseases in the context of Covid-19. We conducted a systematic review of case reports on Covid-19-related encephalitis, meningoencephalitis, acute necrotizing encephalitis, and acute disseminated encephalomyelitis in adults, published before January 2021. A total of 182 cases (encephalitis = 109, meningoencephalitis = 26, acute disseminated encephalomyelitis = 35, acute necrotizing (hemorrhagic) encephalitis = 12) were included. While cerebrospinal fluid (CSF) pleocytosis and increased protein level was present in less than 50%, magnetic resonance imaging (MRI) and electroencephalogram (EEG) were abnormal in 78 and 93.2% of all cases, respectively. Viral particles were detected in cerebrospinal fluid of only 13 patients and autoantibodies were present in seven patients. All patients presented with altered mental status, either in the form of impaired consciousness or psychological/cognitive decline. Seizure, cranial nerve signs, motor, and reflex abnormalities were among associated symptoms. Covid-19-associated encephalitis presents with a distinctive profile requiring thorough diagnosis and thereby a comprehensive knowledge of the disease. The clinical profile of brain inflammation in Covid-19 exhibits majority of abnormal imaging and electroencephalography findings with mild/moderate pleocytosis or proteinorrhachia as prevalent as normal cerebrospinal fluid (CSF). Oligoclonal bands and autoantibody assessments are useful in further evaluating neuro-covid patients, as supported by our pooled evidence. Despite the possibility that direct viral invasion cannot be easily estimated, it is still more likely that immune-mediated or autoimmune reactions play a more important role in SARS-CoV-2 neuroinflammation.
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Affiliation(s)
- Raha Zamani
- School of Medicine, Tehran University of Medical Sciences (TUMS), Children's Medical Center Hospital, Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran.,Research Center for Immunodeficiencies, Tehran University of Medical Sciences (TUMS), Children's Medical Center Hospital, Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran
| | - Rozhina Pouremamali
- School of Medicine, Tehran University of Medical Sciences (TUMS), Children's Medical Center Hospital, Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Tehran University of Medical Sciences (TUMS), Children's Medical Center Hospital, Dr. Qarib St., Keshavarz Blvd, Tehran, 14194, Iran.,Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran,1419733151, Iran
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23
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Moody R, Wilson KL, Boer JC, Holien JK, Flanagan KL, Jaworowski A, Plebanski M. Predicted B Cell Epitopes Highlight the Potential for COVID-19 to Drive Self-Reactive Immunity. FRONTIERS IN BIOINFORMATICS 2021; 1:709533. [PMID: 36303764 PMCID: PMC9581003 DOI: 10.3389/fbinf.2021.709533] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/03/2021] [Indexed: 12/14/2022] Open
Abstract
COVID-19, caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), whilst commonly characterised as a respiratory disease, is reported to have extrapulmonary manifestations in multiple organs. Extrapulmonary involvement in COVID-19 includes autoimmune-like diseases such as Guillain-Barré syndrome and Kawasaki disease, as well as the presence of various autoantibodies including those associated with autoimmune diseases such a systemic lupus erythematosus (e.g. ANA, anti-La). Multiple strains of SARS-CoV-2 have emerged globally, some of which are found to be associated with increased transmissibility and severe disease. We performed an unbiased comprehensive mapping of the potential for cross-reactivity with self-antigens across multiple SARS-CoV-2 proteins and compared identified immunogenic regions across multiples strains. Using the Immune Epitope Database (IEDB) B cell epitope prediction tool, regions predicted as antibody epitopes with high prediction scores were selected. Epitope sequences were then blasted to eight other global strains to identify mutations within these regions. Of the 15 sequences compared, eight had a mutation in at least one other global strain. Predicted epitopes were then compared to human proteins using the NCBI blast tool. In contrast to studies focusing on short sequences of peptide identity, we have taken an immunological approach to selection criteria for further analysis and have identified 136 alignments of 6–23 amino acids (aa) in 129 human proteins that are immunologically likely to be cross-reactive with SARS-CoV-2. Additionally, to identify regions with significant potential to interfere with host cell function-or promote immunopathology, we identified epitope regions more likely to be accessible to pathogenic autoantibodies in the host, selected using a novel combination of sequence similarity, and modelling protein and alignment localization with a focus on extracellular regions. Our analysis identified 11 new predicted B-cell epitopes in host proteins, potentially capable of explaining key aspects of COVID-19 extrapulmonary pathology, and which were missed in other in silico studies which used direct identity rather than immunologically related functional criteria.
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Affiliation(s)
- Rhiane Moody
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
| | - Kirsty L. Wilson
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
| | - Jennifer C. Boer
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
| | - Jessica K. Holien
- School of Science, STEM College, RMIT University, Bundoora, VIC, Australia
| | - Katie L. Flanagan
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
- Tasmanian Vaccine Trial Centre, Clifford Craig Foundation, Launceston General Hospital, Launceston, TAS, Australia
- School of Medicine, University of Tasmania, Launceston, TAS, Australia
- Department of Immunology and Pathology, Monash University, Melbourne, VIC, Australia
| | - Anthony Jaworowski
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
| | - Magdalena Plebanski
- School of Health and Biomedical Science, STEM College, RMIT University, Bundoora, VIC, Australia
- *Correspondence: Magdalena Plebanski,
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24
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Sullivan BN, Fischer T. Age-Associated Neurological Complications of COVID-19: A Systematic Review and Meta-Analysis. Front Aging Neurosci 2021; 13:653694. [PMID: 34408638 PMCID: PMC8366271 DOI: 10.3389/fnagi.2021.653694] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/08/2021] [Indexed: 12/15/2022] Open
Abstract
The outbreak of the novel and highly infectious severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has resulted in hundreds of millions of infections and millions of deaths globally. Infected individuals that progress to coronavirus disease-19 (COVID-19) experience upper and lower respiratory complications that range in severity and may lead to wide-spread inflammation and generalized hypoxia or hypoxemia that impacts multiple organ systems, including the central and peripheral nervous systems. Since the SARS-CoV-2 outbreak, multiple reports continue to emerge that detail neurological symptoms, ranging from relatively mild (e.g., impaired taste and/or smell) to severe (e.g., stroke), suggesting SARS-CoV-2 may be neurotropic and/or contribute to nervous system injury through direct and/or indirect mechanisms. To gain insight into the types of neurological complications associated with SARS-CoV-2 infection and their possible relationship with age, sex, COVID-19 severity, and comorbidities, we performed a systematic review of case reports and series published in 2020 - April 4, 2021 of infected patients with neurological manifestations. Meta-analyses were conducted using individual patient data from reports where these data could be extracted. Here, we report neurological injury occurs across the lifespan in the context of infection, with and without known comorbidities, and with all disease severities, including asymptomatic patients. Older individuals, however, are more susceptible to developing life-threatening COVID-19 and cerebrovascular disease (CVD), such as stroke. A mild but inverse correlation with age was seen with CNS inflammatory diseases, such as encephalitis, as well as taste and/or smell disorders. When reported, increased age was also associated with comorbid cardiovascular risk factors, including hypertension, diabetes mellitus, and lipid disorders, but not with obesity. Obesity did correlate with development of critical COVID-19. Discussion into potential pathophysiological mechanisms by which neurological symptoms arise and long-term consequences of infection to the nervous system is also provided.
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Affiliation(s)
- Brianne N. Sullivan
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, United States
- Neuroscience Program, Tulane Brain Institute, School of Science and Engineering, Tulane University, New Orleans, LA, United States
| | - Tracy Fischer
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, United States
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
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25
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Emekli AS, Parlak A, Göcen NY, Kürtüncü M. Anti-GAD associated post-infectious cerebellitis after COVID-19 infection. Neurol Sci 2021; 42:3995-4002. [PMID: 34328578 PMCID: PMC8322110 DOI: 10.1007/s10072-021-05506-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 07/18/2021] [Indexed: 12/20/2022]
Abstract
The coronavirus disease 2019 (COVID-19), caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), continues to spread rapidly all over the world. Besides severe pneumonia, it causes multisystemic disease, including neurological findings. Here, we present a patient with anti–glutamic acid decarboxylase (anti-GAD) antibody-associated cerebellitis developed after COVID-19 infection. The patient responded well to the immune treatments. Our knowledge about SARS-CoV-2 infection–related neurological disorders is limited. New data are needed to recognize the clinical spectrum of autoimmune neurological disorders that emerges after SARS-CoV-2 infection.
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Affiliation(s)
- Ahmed Serkan Emekli
- Department of Neurology, Karabuk University Training and Research Hospital, Karabuk, Turkey.
| | - Asuman Parlak
- Department of Neurology, Karabuk University Training and Research Hospital, Karabuk, Turkey
| | - Nejla Yılmaz Göcen
- Department of Infectious Diseases, Karabuk University Training and Research Hospital, Karabuk, Turkey
| | - Murat Kürtüncü
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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26
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Moreno-Escobar MC, Feizi P, Podury S, Tandon M, Munir B, Alvi M, Adcock A, Sriwastava S. Acute cerebellitis following SARS-CoV-2 infection: A case report and review of the literature. J Med Virol 2021; 93:6818-6821. [PMID: 34314031 PMCID: PMC8427025 DOI: 10.1002/jmv.27232] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 07/24/2021] [Indexed: 12/13/2022]
Abstract
Novel coronavirus disease (COVID‐19) first described in Wuhan, China in December 2019, has rapidly spread across the world and become a global public health emergency. Literature on the neurological manifestations of COVID‐19 is limited. We report a 24‐year‐old male, who presented with vertigo, dysarthria, and bradyphrenia 3 weeks after being diagnosed with COVID‐19 on nasopharyngeal reverse transcription polymerase chain reaction. The patient was diagnosed with acute cerebellitis based on magnetic resonance imaging features and showed improvement posttreatment with intravenous methylprednisone for 5 days. The scope of this article is to highlight the importance of early identification of neurological symptoms and timely management as the outcomes may be catastrophic.
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Affiliation(s)
- Maria Camila Moreno-Escobar
- Department of Neurology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA
| | - Parissa Feizi
- Department of Neuroradiology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA
| | | | - Medha Tandon
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Badria Munir
- Department of Neurology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA
| | - Muhammad Alvi
- Department of Neurology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA
| | - Amelia Adcock
- Department of Neurology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA.,West Virginia Clinical and Translational Science Institute, Morgantown, West Virginia, USA
| | - Shitiz Sriwastava
- Department of Neurology, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia, USA.,West Virginia Clinical and Translational Science Institute, Morgantown, West Virginia, USA
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27
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Khan A, Chakravarty A, Jain A, Harish R, Naqishbandi R, Ishani T. Clinical Spectrum of Neurological Manifestations in Pediatric COVID-19 Illness: A Case Series. J Trop Pediatr 2021; 67:6319043. [PMID: 34247238 PMCID: PMC8344577 DOI: 10.1093/tropej/fmab059] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
We describe a cohort of three patients with variable neurological presentations by SARS-COV-2 infection. It includes one case each of acute cerebellitis, acute encephalomyelitis and arterial ischemic stroke. To the best of our knowledge, we report the first pediatric case of acute cerebellitis due to SARS-CoV-2 infection. All critically ill patients were treated with methylprednisolone pulse therapy and dexamethasone. Patient with acute cerebellitis in addition required intravenous immunoglobulin infusion. All the patients responded to the treatment with complete neurological recovery.
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Affiliation(s)
- Afreen Khan
- MD Pediatrics Assistant Professor, Department of Pediatrics, HIMSR & HAHC Hospital
New Delhi,Address of the correspondence: Dr Afreen Khan, J-738, Gaursportswood, Noida Sector-79, GautamBuddha Nagar, U.P.
| | - Aparna Chakravarty
- MD Pediatrics, Fellowship Pediatric Infectious Disease (Canada), HIMSR & HAHC Hospital, New Delhi
| | - Abhinav Jain
- MD Radiology, Professor & Head of the Department, Department of Radiodiagnosis, HIMSR & HAHC, New Delhi
| | - Rekha Harish
- MD Pediatrics, Professor & Head of the Department, Department of Pediatrics, HIMSR & HAHC, New Delhi
| | | | - Twisha Ishani
- Post Graduate Student, Department of Pediatrics, HIMSR & HAHC, New Delhi
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28
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New-Onset Movement Disorders Associated with COVID-19. Tremor Other Hyperkinet Mov (N Y) 2021; 11:26. [PMID: 34277139 PMCID: PMC8269765 DOI: 10.5334/tohm.595] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 06/29/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction Movement disorders are increasingly described in hospitalized and milder cases of SARS-CoV-2 infection, despite a very low prevalence compared to the total patients. Methods We reviewed the scientific literature published in English, spanning from the initial descriptions of COVID-19 until January 25, 2021, in the PubMed/MEDLINE database. Results We identified 93 new-onset movement disorders cases (44 articles) from 200 papers screened in the database or reference lists. Myoclonus was present in 63.4% (n = 59), ataxia in 38.7% (n = 36), action/postural tremor in 10.8% (n = 10), rigid-akinetic syndrome in 5.38% (n = 5), oculomotor abnormalities in 20.4% (n = 19), catatonia in 2.1% (n = 2), dystonia in 1.1% (n = 1), chorea in 1.1% (n = 1), functional (psychogenic) movement disorders in 3.2% (n = 3) of the reported COVID-19 cases with any movement disorder. Encephalopathy was a common association (n = 37, 39.78%). Discussion Comprehensive neurophysiological, clinical, and neuroimaging descriptions of movement disorders in the setting of SARS-CoV-2 infection are still lacking, and their pathophysiology may be related to inflammatory, postinfectious, or even indirect mechanisms not specific to SARS-CoV-2, such as ischemic-hypoxic brain insults, drug effects, sepsis, kidney failure. Cortical/subcortical myoclonus, which the cited secondary mechanisms can largely cause, seems to be the most common hyperkinetic abnormal movement, and it might occur in association with encephalopathy and ataxia. Conclusion This brief review contributes to the clinical description of SARS-CoV-2 potential neurological manifestations, assisting clinical neurologists in identifying features of these uncommon syndromes as a part of COVID-19 symptomatology. Highlights - Movement disorders are probably uncommon neurological manifestations in SARS-CoV-2 infection;- Myoclonus is the most reported movement disorder associated with COVID-19, its clinical complications or pharmacological management;- The pathophysiology is yet not well-understood but can include systemic inflammation, autoimmune mechanisms, or hypoxia.
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29
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Sharma S, Ruparelia J, Bhaskar S, Tiwari S, Nag VL, Panda S. Acute Fulminant Cerebellitis in Children with COVID-19 Infection: A Rare But Treatable Complication. Pediatr Neurol 2021; 119:45-47. [PMID: 33894640 PMCID: PMC7997024 DOI: 10.1016/j.pediatrneurol.2021.03.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/04/2021] [Accepted: 03/17/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Sanjiv Sharma
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, Rajasthan
| | - Jigish Ruparelia
- Department of Neurosurgery, All India Institute of Medical Sciences, Jodhpur, Rajasthan
| | | | - Sarbesh Tiwari
- Department of Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan
| | - Vijaya Lakshmi Nag
- Department of Microbiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan
| | - Samhita Panda
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, Rajasthan.
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30
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Tomar LR, Shah DJ, Agarwal U, Batra A, Anand I. Acute Post-Infectious Cerebellar Ataxia Due to COVID-19. Mov Disord Clin Pract 2021; 8:610-612. [PMID: 33981797 PMCID: PMC8088087 DOI: 10.1002/mdc3.13208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 03/07/2021] [Accepted: 03/14/2021] [Indexed: 12/19/2022] Open
Affiliation(s)
| | | | - Utkarsh Agarwal
- Department of Neurology Sir Ganga Ram Hospital New Delhi India
| | - Anuradha Batra
- Department of Neurology Sir Ganga Ram Hospital New Delhi India
| | - Ish Anand
- Department of Neurology Sir Ganga Ram Hospital New Delhi India
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31
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Werner J, Reichen I, Huber M, Abela IA, Weller M, Jelcic I. Subacute cerebellar ataxia following respiratory symptoms of COVID-19: a case report. BMC Infect Dis 2021; 21:298. [PMID: 33761897 PMCID: PMC7988684 DOI: 10.1186/s12879-021-05987-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/15/2021] [Indexed: 02/08/2023] Open
Abstract
Background Severe acute respiratory syndrome virus 2 (SARS-CoV-2) is spreading globally and causes most frequently fever and respiratory symptoms, i.e. Coronavirus disease 2019 (COVID-19), however, distinct neurological syndromes associated with SARS-CoV-2 infection have been described. Among SARS-CoV-2-infections-associated neurological symptoms fatigue, headache, dizziness, impaired consciousness and anosmia/ageusia are most frequent, but less frequent neurological deficits such as seizures, Guillain-Barré syndrome or ataxia may also occur. Case presentation Herein we present a case of a 62-year-old man who developed a subacute cerebellar syndrome with limb-, truncal- and gait ataxia and scanning speech 1 day after clinical resolution of symptomatic SARS-CoV-2 infection of the upper airways. Apart from ataxia, there were no signs indicative of opsoclonus myoclonus ataxia syndrome or Miller Fisher syndrome. Cerebral magnetic resonance imaging showed mild cerebellar atrophy. SARS-CoV-2 infection of the cerebellum was excluded by normal cerebrospinal fluid cell counts and, most importantly, absence of SARS-CoV-2 RNA or intrathecal SARS-CoV-2-specific antibody production. Other causes of ataxia such as other viral infections, other autoimmune and/or paraneoplastic diseases or intoxication were ruled out. The neurological deficits improved rapidly after high-dose methylprednisolone therapy. Conclusions The laboratory and clinical findings as well as the marked improvement after high-dose methylprednisolone therapy suggest a post-infectious, immune-mediated cause of ataxia. This report should make clinicians aware to consider SARS-CoV-2 infection as a potential cause of post-infectious neurological deficits with an atypical clinical presentation and to consider high-dose corticosteroid treatment in case that a post-infectious immune-mediated mechanism is assumed.
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Affiliation(s)
- Jana Werner
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Ina Reichen
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Michael Huber
- Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Irene A Abela
- Institute of Medical Virology, University of Zurich, Zurich, Switzerland.,Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland
| | - Michael Weller
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland
| | - Ilijas Jelcic
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland. .,Neuroimmunology and Multiple Sclerosis Research Section, Department of Neurology, University Hospital Zurich, Zurich, Switzerland.
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32
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Myoclonus and cerebellar ataxia associated with COVID-19: a case report and systematic review. J Neurol 2021; 268:3517-3548. [PMID: 33616739 PMCID: PMC7897737 DOI: 10.1007/s00415-021-10458-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 12/28/2022]
Abstract
Background Since the beginning of the coronavirus disease 2019 (COVID-19) pandemic in December 2019, neurological manifestations have been recognized as potential complications. Relatively rare movement disorders associated with COVID-19 are increasingly reported in case reports or case series. Here, we present a case and systematic review of myoclonus and cerebellar ataxia associated with COVID-19. Methods A systematic review was performed according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guideline using the PubMed and Ovid MEDLINE databases, from November 1, 2019 to December 6, 2020. Results 51 cases of myoclonus or ataxia associated with COVID-19, including our case, were identified from 32 publications. The mean age was 59.6 years, ranging from 26 to 88 years, and 21.6% were female. Myoclonus was multifocal or generalized and had an acute onset, usually within 1 month of COVID-19 symptoms. Myoclonus occurred in isolation (46.7%), or with ataxia (40.0%) or cognitive changes (30.0%). Most cases improved within 2 months, and treatment included anti-epileptic medications or immunotherapy. Ataxia had an acute onset, usually within 1 month of COVID-19 symptoms, but could be an initial symptom. Concurrent neurological symptoms included cognitive changes (45.5%), myoclonus (36.4%), or a Miller Fisher syndrome variant (21.2%). Most cases improved within 2 months, either spontaneously or with immunotherapy. Conclusions This systematic review highlights myoclonus and ataxia as rare and treatable post-infectious or para-infectious, immune-mediated phenomena associated with COVID-19. The natural history is unknown and future investigation is needed to further characterize these movement disorders and COVID-19. Supplementary Information The online version contains supplementary material available at 10.1007/s00415-021-10458-0.
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