{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,3,31]],"date-time":"2024-03-31T13:41:24Z","timestamp":1711892484836},"reference-count":30,"publisher":"FapUNIFESP (SciELO)","issue":"3B","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq. Neuro-Psiquiatr."],"published-print":{"date-parts":[[1997,9]]},"abstract":"<jats:p>A ectasia da art\u00e9ria basilar (EB) \u00e9 a dilata\u00e7\u00e3o do calibre em toda ou parte de sua extens\u00e3o, e\/ou quando for anormalmente tortuosa em seu trajeto. As manifesta\u00e7\u00f5es cl\u00ednicas s\u00e3o decorrentes de compress\u00e3o de nervos cranianos, fen\u00f4meno isqu\u00eamico ou hemorr\u00e1gico, s\u00edndrome de pseudo-tumor ou hidrocefalia. Procuramos descrever casos da associa\u00e7\u00e3o de EB e acidente vascular cerebral (AVC), analisar sua frequ\u00eancia, aspectos cl\u00ednicos e os mecanismos envolvidos nas diferentes formas de apresenta\u00e7\u00e3o cl\u00ednica desta entidade. Encontramos 21 pacientes com AVC e EB. A associa\u00e7\u00e3o de EB e AVC foi prevalente em indiv\u00edduos do sexo masculino ap\u00f3s 50 anos. Os principais sintomas observados foram hemiparesia, altera\u00e7\u00e3o de nervos cranianos e ataxia cerebelar. Na instala\u00e7\u00e3o do AVC foram importantes as tonturas rotat\u00f3rias e a cefal\u00e9ia. Os infartos relacionados \u00e0 EB puderam ser atribu\u00eddos a diferentes mecanismos: trombose da art\u00e9ria, embolia art\u00e9rio-arterial, efeito de massa com angula\u00e7\u00e3o e obstru\u00e7\u00e3o de ramos das art\u00e9rias vertebrais e basilar.<\/jats:p>","DOI":"10.1590\/s0004-282x1997000400007","type":"journal-article","created":{"date-parts":[[2010,10,17]],"date-time":"2010-10-17T01:13:48Z","timestamp":1287278028000},"page":"558-562","source":"Crossref","is-referenced-by-count":4,"title":["Ectasia da art\u00e9ria basilar e acidente vascular cerebral: aspectos cl\u00ednicos de 21 casos"],"prefix":"10.1590","volume":"55","author":[{"given":"Roberto de Magalh\u00e3es Carneiro de","family":"Oliveira","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Osmar","family":"Cardeal","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o 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