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Transient global amnesia: clinical features and prognostic factors suggesting recurrence

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dc.contributor.author Alessandro, Lucas
dc.contributor.author Calandri, Ismael Luis
dc.contributor.author Fernández Suárez, Marcos
dc.contributor.author Heredia, María Liliana
dc.contributor.author Chaves, Hernán
dc.contributor.author Allegri, Ricardo Francisco
dc.contributor.author Farez, Mauricio Franco
dc.date.accessioned 2020-02-04T12:35:21Z
dc.date.available 2020-02-04T12:35:21Z
dc.date.issued 2019-01
dc.identifier.citation Alessandro, L., Calandri, I.L., Fernández Suárez, M., Heredia, M.L., Chaves, H., Allegri, R.F., Farez, M.F., Transient global amnesia: clinical features and prognostic factors suggesting recurrence. Arquivos de Neuro-Psiquiatria 2019 Jan;77(1):3-9. doi: 10.1590/0004-282X20180157 en_US
dc.identifier.uri http://dx.doi.org/10.1590/0004-282x20180157
dc.identifier.uri https://repositorio.fleni.org.ar/handle/123456789/170
dc.description.abstract Objective: The risk of recurrence of new amnesia events in patients having previously experienced transient global amnesia (TGA) ranges between 2.9-23.8%. Our objective was to search for recurrence predictors in TGA patients. Methods: Retrospective analysis to identify recurrence predictors in a cohort of 203 TGA patients from a single center in Buenos Aires, Argentina, diagnosed between January 2011 and March 2017 Clinical features and complementary studies (laboratory results, jugular vein Doppler ultrasound and brain MRI) were analyzed. Comparison between patients with recurrent versus single episode TGA was performed, applying a multivariate logistic regression model. Results: Mean age at presentation was 65 years (20-84); 52% were female. Median time elapsed between symptom onset and ER visit was two hours, with the average episode duration lasting four hours. Mean follow-up was 22 months. Sixty-six percent of patients referred to an identifiable trigger. Jugular reflux was present in 66% of patients; and 22% showed images with hippocampus restriction on diffusion-weighted MRI. Eight percent of patients had TGA recurrence. Patients with recurrent TGA had a more frequent history of migraine than patients without recurrence (37.5% vs. 14%; p = 0.03). None of the other clinical characteristics and complementary studies were predictors of increased risk of recurrence. Conclusions: Patients with migraine may have a higher risk of recurrent TGA. None of the other clinical characteristics evaluated allowed us to predict an increased risk of recurrence. Although the complementary studies allowed us to guide the diagnosis, they did not appear to have a significant impact on the prediction of recurrence risk. en_US
dc.language.iso eng en_US
dc.publisher Associacao Arquivos De Neuro-Psiquitria en_US
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by/2.5/ar/
dc.subject Amnesia, Transient Global en_US
dc.subject Amnesia Global Transitoria en_US
dc.subject Jugular Veins en_US
dc.subject Venas Yugulares en_US
dc.subject Migraine Disorders en_US
dc.subject Trastornos Migrañosos en_US
dc.title Transient global amnesia: clinical features and prognostic factors suggesting recurrence en_US
dc.title.alternative Amnesia global transitoria: características clínicas y factores pronósticos sugestivos de recurrencia
dc.type info:eu-repo/semantics/publishedVersion
dc.type info:eu-repo/semantics/article en_US
dc.description.fil Fil: Alessandro, Lucas. Fleni. Departamento de Neurología; Argentina.
dc.description.fil Fil: Calandri, Ismael Luis. Fleni. Departamento de Neurología; Argentina.
dc.description.fil Fil: Fernández Suárez, Marcos. Fleni. Departamento de Neurología; Argentina.
dc.description.fil Fil: Heredia, María Liliana. Fleni. Centro de Rehabilitación Adultos CR. Rehabilitación Cognitiva y Lenguaje; Argentina.
dc.description.fil Fil: Chaves, Hernán. Fleni. Departamento de Diagnóstico por Imágenes; Argentina.
dc.description.fil Fil: Allegri, Ricardo Francisco. Fleni. Departamento de Neurología. Servicio de Neurología Cognitiva, Neuropsicología y Neuropsiquiatría; Argentina.
dc.description.fil Fil: Farez, Mauricio Franco. Fleni. Centro para la Investigación de Enfermedades Neuroinmunológicas; Argentina.
dc.relation.ispartofVOLUME 77
dc.relation.ispartofNUMBER 1
dc.relation.ispartofPAGINATION 3-9
dc.relation.ispartofCOUNTRY Brasil
dc.relation.ispartofCITY San Pablo
dc.relation.ispartofISSN 1678-4227
dc.type.snrd info:ar-repo/semantics/artículo es_ES


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