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Resumen: Objetivos: Desde el inicio de la pandemia por el virus SARS-CoV2 la Sociedad Española de Neurología (SEN) creó un registro de afectación neurológica para informar al neurólogo clínico. Las encefalopatías y encefalitis fueron una de las complicaciones más descritas. Analizamos las características de las mismas. Pacientes y métodos: Estudio descriptivo retrospectivo, observacional multicéntrico, de pacientes con sintomatología compatible con encefalitis o encefalopatía, introducidos en el Registro SEN COVID-19 desde el 17 de marzo hasta el 6 de junio de 2020. Resultados: Se han registrado 232 casos con síntomas neurológicos, 51 casos de encefalopatía/encefalitis (21,9%). Ningún paciente era trabajador sanitario. Los síndromes más frecuentes fueron: cuadro confusional leve-moderado (33%) y encefalopatía grave o coma (9,8%). El tiempo medio entre el inicio de la infección y la clínica neurológica fue de 8,02 días. Punción lumbar en el 60,8% de pacientes; solo hubo un caso con PCR positiva. Resonancia craneal en el 47% de los pacientes (alterada en el 7,8% de ellos). Se realizó electroencefalograma en el 41,3% de los casos (alterado en el 61,9% de los mismos). Conclusiones: Las encefalopatías y encefalitis son dos de las complicaciones más frecuentes descritas en el SEN COVID-19. Más de un tercio de los pacientes presentó un cuadro de síndrome confusional leve o moderado. El tiempo medio de aparición de la sintomatología neurológica desde el inicio de la infección fue de 8 días (hasta 24 h antes en mujeres que en hombres). El electroencefalograma fue la prueba más sensible en estos pacientes, encontrando muy pocos casos con alteraciones en las pruebas de neuroimagen. Todos los pacientes que recibieron tratamiento con bolos de corticoides o inmunoglobulinas tuvieron una evolución favorable. Abstract: Objectives: Since the beginning of the COVID-19 pandemic, the Spanish Society of Neurology has run a registry of patients with neurological involvement for the purpose of informing clinical neurologists. Encephalopathy and encephalitis were among the most frequently reported complications. In this study, we analyse the characteristics of these complications. Patients and methods: We conducted a retrospective, descriptive, observational, multicentre study of patients with symptoms compatible with encephalitis or encephalopathy, entered in the Spanish Society of Neurology's COVID-19 Registry from 17 March to 6 June 2020. Results: A total of 232 patients with neurological symptoms were registered, including 51 cases of encephalopathy or encephalitis (21.9%). None of these patients were healthcare professionals. The most frequent syndromes were mild or moderate confusion (33%) and severe encephalopathy or coma (9.8%). The mean time between onset of infection and onset of neurological symptoms was 8.02 days. Lumbar puncture was performed in 60.8% of patients, with positive PCR results for SARS-CoV-2 in only one case. Brain MRI studies were performed in 47% of patients, with alterations detected in 7.8% of these. EEG studies were performed in 41.3% of cases, detecting alterations in 61.9%. Conclusions: Encephalopathy and encephalitis are among the complications most frequently reported in the registry. More than one-third of patients presented mild or moderate confusional syndrome. The mean time from onset of infection to onset of neurological symptoms was 8 days (up to 24 hours earlier in women than in men). EEG was the most sensitive test in these patients, with very few cases presenting alterations in neuroimaging studies. All patients treated with boluses of corticosteroids or immunoglobulins progressed favourably.

Objectives: Since the beginning of the COVID-19 pandemic, the Spanish Society of Neurology has run a registry of patients with neurological involvement for the purpose of informing clinical neurologists. Encephalopathy and encephalitis were among the most frequently reported complications. In this study, we analyse the characteristics of these complications. Patients and methods: We conducted a retrospective, descriptive, observational, multicentre study of patients with symptoms compatible with encephalitis or encephalopathy, entered in the Spanish Society of Neurology's COVID-19 Registry from 17 March to 6 June 2020. Results: A total of 232 patients with neurological symptoms were registered, including 51 cases of encephalopathy or encephalitis (21.9%). None of these patients were healthcare professionals. The most frequent syndromes were mild or moderate confusion (33%) and severe encephalopathy or coma (9.8%). The mean time between onset of infection and onset of neurological symptoms was 8.02 days. Lumbar puncture was performed in 60.8% of patients, with positive PCR results for SARS-CoV-2 in only one case. Brain MRI studies were performed in 47% of patients, with alterations detected in 7.8% of these. EEG studies were performed in 41.3% of cases, detecting alterations in 61.9%. Conclusions: Encephalopathy and encephalitis are among the complications most frequently reported in the registry. More than one-third of patients presented mild or moderate confusional syndrome. The mean time from onset of infection to onset of neurological symptoms was 8 days (up to 24 hours earlier in women than in men). EEG was the most sensitive test in these patients, with very few cases presenting alterations in neuroimaging studies. All patients treated with boluses of corticosteroids or immunoglobulins progressed favourably. Resumen: Objetivos: Desde el inicio de la pandemia por el virus SARS-CoV2 la Sociedad Española de Neurología (SEN) creó un registro de afectación neurológica para informar al neurólogo clínico. Las encefalopatías y encefalitis fueron una de las complicaciones más descritas. Analizamos las características de las mismas. Pacientes y métodos: Estudio descriptivo retrospectivo, observacional multicéntrico, de pacientes con sintomatología compatible con encefalitis o encefalopatía, introducidos en el Registro SEN COVID-19 desde el 17 de marzo hasta el 6 de junio de 2020. Resultados: Se han registrado 232 casos con síntomas neurológicos, 51 casos de encefalopatía/encefalitis (21,9%). Ningún paciente era trabajador sanitario. Los síndromes más frecuentes fueron: cuadro confusional leve-moderado (33%) y encefalopatía grave o coma (9,8%). El tiempo medio entre el inicio de la infección y la clínica neurológica fue de 8,02 días. Punción lumbar en el 60,8% de pacientes; solo hubo un caso con PCR positiva. Resonancia craneal en el 47% de los pacientes (alterada en el 7,8% de ellos). Se realizó electroencefalograma en el 41,3% de los casos (alterado en el 61,9% de los mismos). Conclusiones: Las encefalopatías y encefalitis son dos de las complicaciones más frecuentes descritas en el SEN COVID-19. Más de un tercio de los pacientes presentó un cuadro de síndrome confusional leve o moderado. El tiempo medio de aparición de la sintomatología neurológica desde el inicio de la infección fue de 8 días (hasta 24 h antes en mujeres que en hombres). El electroencefalograma fue la prueba más sensible en estos pacientes, encontrando muy pocos casos con alteraciones en las pruebas de neuroimagen. Todos los pacientes que recibieron tratamiento con bolos de corticoides o inmunoglobulinas tuvieron una evolución favorable.

Objective: The aim of this case report is to highlight the importance of recognizing uncommon causes of cerebellar involvement., Case Presentation: A 45-year-old woman with no medical history who presented gait instability that appears suddenly and evolves rapidly in two weeks, causing frequent falls. Neurological examination revealed an inability to walk due to severe ataxia, accompanied by global hypotonia, appendicular dysmetria, opsoclonus and dysarthria. We studied this patient with cerebellar syndrome, obtaining as relevant findings global cerebellar atrophy in MRI (magnetic resonance imaging) and especially, considerably elevated levels of antibodies against thyroid peroxidase (TPO). The patient was treated with high doses of intravenous methylprednisolone for 5days. Six months after diagnosis and in treatment with low doses of prednisone, the patient is asymptomatic., Conclusion: We must considerer the cerebellar involvement secondary to steroid responsive encephalopathy associated with autoimmune thyroiditis (SREAT) in a patient in whom other more frequent causes of isolated cerebellar disease have been ruled out., (Copyright © 2017 Elsevier B.V. All rights reserved.)

Currently the use of idarucizumab to reverse the effect of dabigatran emerges as a possibility of treatment for those patients who present with an ischemic stroke despite taking this anticoagulant. We present our experience regarding the use of intravenous tissue plasminogen activator in a patient with ischemic stroke due to complete occlusion of the left middle cerebral artery after blocking the effect of dabigatran with idarucizumab and whose result was an almost total improvement of the neurologic deficit. The use of this monoclonal antibody without a prothrombotic effect seems safe to be an intravenous fibrinolytic treatment option for patients taking dabigatran and having an ischemic stroke; however, more extensive studies are needed to determine its safety and efficacy., (Copyright © 2017 National Stroke Association. Published by Elsevier Inc. All rights reserved.)