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Kopańska M, Banaś-Ząbczyk A, Łagowska A, Kuduk B, Szczygielski J. Changes in EEG Recordings in COVID-19 Patients as a Basis for More Accurate QEEG Diagnostics and EEG Neurofeedback Therapy: A Systematic Review. J Clin Med 2021; 10:jcm10061300. [PMID: 33809957 PMCID: PMC8004106 DOI: 10.3390/jcm10061300] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 01/11/2023] Open
Abstract
INTRODUCTION AND PURPOSE The SARS-CoV-2 virus is able to cause abnormalities in the functioning of the nervous system and induce neurological symptoms with the features of encephalopathy, disturbances of consciousness and concentration and a reduced ability to sense taste and smell as well as headaches. One of the methods of detecting these types of changes in COVID-19 patients is an electroencephalogram (EEG) test, which allows information to be obtained about the functioning of the brain as well as diagnosing diseases and predicting their consequences. The aim of the study was to review the latest research on changes in EEG in patients with COVID-19 as a basis for further quantitative electroencephalogram (QEEG) diagnostics and EEG neurofeedback training. Description of the state of knowledge: Based on the available scientific literature using the PubMed database from 2020 and early 2021 regarding changes in the EEG records in patients with COVID-19, 17 publications were included in the analysis. In patients who underwent an EEG test, changes in the frontal area were observed. A few patients were not found to be responsive to external stimuli. Additionally, a previously non-emerging, uncommon pattern in the form of continuous, slightly asymmetric, monomorphic, biphasic and slow delta waves occurred. CONCLUSION The results of this analysis clearly indicate that the SARS-CoV-2 virus causes changes in the nervous system that can be manifested and detected in the EEG record. The small number of available articles, the small number of research groups and the lack of control groups suggest the need for further research regarding the short and long term neurological effects of the SARS-CoV-2 virus and the need for unquestionable confirmation that observed changes were caused by the virus per se and did not occur before. The presented studies described non-specific patterns appearing in encephalograms in patients with COVID-19. These observations are the basis for more accurate QEEG diagnostics and EEG neurofeedback training.
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Affiliation(s)
- Marta Kopańska
- Department of Pathophysiology, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
- Correspondence:
| | - Agnieszka Banaś-Ząbczyk
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
| | - Anna Łagowska
- Student Research Club “Reh-Tech”, Medical College of Rzeszow University, 35-959 Rzeszow, Poland; (A.Ł.); (B.K.)
| | - Barbara Kuduk
- Student Research Club “Reh-Tech”, Medical College of Rzeszow University, 35-959 Rzeszow, Poland; (A.Ł.); (B.K.)
| | - Jacek Szczygielski
- Department of Neurosurgery, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
- Department of Neurosurgery, Faculty of Medicine, Saarland University, 06841 Saarbrücken, Germany;
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Siddiqi OK, Elafros MA, Sikazwe I, Birbeck GL, Kalungwana L, Potchen MJ, Bositis CM, Koralnik IJ, Theodore WH. Acute EEG findings in HIV-infected Zambian adults with new-onset seizure. Neurology 2015; 84:1317-22. [PMID: 25740861 DOI: 10.1212/wnl.0000000000001411] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To describe acute EEG findings in HIV-infected adults with new-onset seizure, assess baseline clinical characteristics associated with EEG abnormalities, and evaluate the relationship between EEG abnormalities and recurrent seizure. METHODS Eighty-one HIV-infected adults with new-onset seizure had EEG recordings during their index admission. Baseline characteristics assessed included HIV stage, seizure semiology, serum and CSF studies, neuroimaging, cognitive function based on the Zambian Mini-Mental State Examination and International HIV Dementia Scale, and psychiatric symptoms using the Shona Symptom Questionnaire. We evaluated the relationship between baseline characteristics and EEG abnormalities. Patients were followed for seizure recurrence, and the association between acute EEG abnormalities and seizure recurrence was assessed. Death was a secondary outcome. RESULTS Fifty-five patients had abnormal EEGs (68%): 18 (22%) had interictal spikes (12) or a recorded seizure (6). Among baseline clinical characteristics, more advanced HIV disease (p = 0.039) and any imaging abnormality (p = 0.027) were associated with abnormal EEGs. Cortical (p = 0.008) and white matter (p = 0.004) abnormalities were associated with slow posterior dominant rhythm. Patients were followed for a median of 303 days (interquartile range 103-560). Twenty-four (30%) died and 23 (28%) had recurrent seizures. EEG abnormalities were not associated with recurrent seizure. There was a nonsignificant association between seizures recorded during EEG and death (67% vs 26%, p = 0.051). CONCLUSIONS EEG abnormalities are common in this population, particularly in patients with imaging abnormalities and advanced HIV. Acute EEG abnormalities were not associated with recurrent seizure, but high mortality rates during follow-up limited this analysis.
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Affiliation(s)
- Omar K Siddiqi
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD.
| | - Melissa A Elafros
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Izukanji Sikazwe
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Gretchen L Birbeck
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Lisa Kalungwana
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Michael J Potchen
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Christopher M Bositis
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - Igor J Koralnik
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
| | - William H Theodore
- From the Global Neurology Program (O.K.S., I.J.K.), Division of Neuroimmunology, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Internal Medicine (O.K.S.), University of Zambia School of Medicine, Lusaka; International Neurologic and Psychiatric Epidemiology Program (M.A.E.) and College of Human Medicine (M.A.E.), Michigan State University, East Lansing; Epilepsy Division, Department of Neurology (G.L.B.), and Neuroradiology Division, Department of Imaging Sciences (M.J.P.), University of Rochester, NY; Chikankata Epilepsy Care Team (G.L.B.), Mazabuka; Centre for Infectious Disease Research in Zambia (I.S.), Lusaka; Department of Psychiatry (L.K.), University of Zambia, Lusaka; Greater Lawrence Family Health Center (C.M.B.), MA; and Clinical Epilepsy Section (W.H.T.), NINDS, NIH, Bethesda, MD
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