Abstract
Introduction: Strokes mimics are a set of non-vascular disorders that mimic an acute stroke. There are several studies in the literature about this theme, but we still have little information about this condition in Brazil. Method: This is a series of stroke case mimics evaluated by neurologists at a tertiary hospital in Salvador-BA from December/2020 to August/2023. Results: 441 patients were admitted, and 152 strokes were found to mimic (34%). Of these, 99 women with a mean age of 61.7 years and a median NIHSS of 4 at admission. One hundred ten patients (72.4%) had some risk factor, of which 100 had hypertension, 57 had DM, 24 had a previous stroke, 11 had CAD, and 9 had AF. The most prevalent etiology for stroke mimics was epileptic events, with 29.6%. None of the patients with stroke mimics underwent thrombolysis or thrombectomy, but 25 received mono-anti-aggregation and 30 dual- anti-aggregation on admission. The median mRs at discharge was 0, with 7.2% of deaths. Conclusion: The stroke mimics represent a considerable portion of patients admitted with suspected stroke to the service, drawing attention to the prevalence being higher than the average found in the literature, with epileptic events being the most prevalent etiology.Keywords: Stroke Mimics; Stroke; Epidemiology. Introdução: as mimetizações de AVC são um conjunto de distúrbios não vasculares que imitam um AVC agudo. Existem vários estudos na literatura sobre esse tema, mas ainda temos pouca informação sobre essa condição no Brasil. Método: esta é uma série de casos de mimetizações de AVC avaliados por neurologistas em um hospital terciário em Salvador-BA de dezembro de 2020 a agosto de 2023. Resultados: Foram admitidos 441 pacientes, e 152 casos de AVC mimetizadores foram identificados (34%). Destes, 99 eram mulheres com idade média de 61,7 anos e um NIHSS mediano de 4 na admissão. Cento e dez pacientes (72,4%) apresentavam algum fator de risco, dos quais 100 tinham hipertensão, 57 tinham DM, 24 tinham histórico de AVC anterior, 11 tinham DAC e 9 tinham FA. A etiologia mais prevalente para os mimetizadores de AVC foi eventos epilépticos, com 29,6%. Nenhum dos pacientes que mimetizaram um AVC foi submetido a trombólise ou trombectomia, mas 25 receberam terapia com mono-antiagregantes e 30 duplo-antiagregantes na admissão. A mediana do mRs na alta foi 0, com 7,2% de óbitos. Conclusão: os mimetizadores de AVC representam uma parcela considerável de pacientes admitidos com suspeita de AVC no serviço, chamando a atenção para a prevalência ser maior do que a média encontrada na literatura, com eventos epilépticos sendo a etiologia mais prevalente.Palavras-chave: Mimetizadores de AVC; AVC; Epidemiologia.
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