Cegueira cortical transitória após angiografia cerebral: relato de um caso

-Purpose: We preliminarily investigated the relevance of perf o rming digital subtraction angiography (DSA) in addition to magnetic resonance angiography (MRA) in definition of ischemic stroke etiology in young patients. Method: DSAs and MRAs from 17 young patients with nonlacunar ischemic stro k e were blindly analyzed and their impact on stroke management was evaluated. Results: Etiologies were the same considering results of either DSA or MRA in 12/17 cases. In 15/17 patients no changes would have been made in treatment, regardless of the modality of angiography considered. Conclusion: These prel i m i n a ry results suggest that DSA may be redundant in two thirds of ischemic strokes in young patients. Further larger prospective studies are necessary to determine indications of DSA in this age group.KEY WORDS: TOAST, stroke etiology, embolism, arterial lesions, cryptogenic stroke.Comparação entre arteriografia digital e angioressonância na investigação de acidente vascular cerebral isquêmico não-lacunar em pacientes jovens: resultados preliminares RESUMO -Propósito do estudo: Investigar de forma preliminar a relevância da realização de angiografia digital (AD) adicionalmente a angioressonância (AR) na definição de etiologias de acidente vascular cerebral isquêmico (AVCI) em pacientes jovens. Método: ADs e ARs de 17 pacientes jovens com AVCIs não-l a c u n a res foram analisadas. Avaliamos o impacto destes exames no manejo clínico dos casos. R e s u l t a d o s : Em 12/17 casos, as etiologias dos AVCIs de acordo com os resultados de AD ou de AR foram idênticas. Em 15/17 pacientes, nenhuma mudança de conduta terapêutica seria realizada, independentemente da modalidade de exame considerada. Conclusão: Estes resultados preliminares sugerem que os resultados da AD podem ser redundantes em relação à AR em até dois terços dos pacientes jovens com AVCI. Estudos pro s p e ctivos maiores são necessários para otimizar o estabelecimento de indicações de AD nesta faixa etária.

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Cegueira cortical transitória após angiografia cerebral: relato de um caso

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La cécité corticale

La cécité corticale

Cécité corticale

Comparison between digital subtraction angiography and magnetic resonance angiography in investigation of nonlacunar ischemic stroke in young patients: preliminary results

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