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Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 2015; 34(04): 295-303
DOI: 10.1055/s-0035-1566156
Original Article | Artigo Original
Thieme Publicações Ltda Rio de Janeiro, Brazil

Treatment of Giant Intracranial Aneurysms: a Review Based on Experience from 286 Cases

Tratamento dos aneurismas gigantes intracranianos: uma revisão baseada na experiência de 286 casos
Atos Alves de Sousa
1   Department of Neurosurgery of the Santa Casa de Belo Horizonte, Belo Horizonte, MG, Brazil
2   Faculdade de Ciências Médicas de Minas Gerais, Belo Horizonte, MG, Brazil
3   Honorary President of the World Federation of Neurosurgical Societies (WFNS), Rome, Italy
,
José Lopes de Sousa Filho
1   Department of Neurosurgery of the Santa Casa de Belo Horizonte, Belo Horizonte, MG, Brazil
,
Marcos Antônio Dellaretti Filho
1   Department of Neurosurgery of the Santa Casa de Belo Horizonte, Belo Horizonte, MG, Brazil
2   Faculdade de Ciências Médicas de Minas Gerais, Belo Horizonte, MG, Brazil
› Author Affiliations
Further Information

Publication History

10 November 2013

07 August 2015

Publication Date:
22 October 2015 (online)

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Abstract

Aneurysms are classified as giant when their largest diameter is equal to or greater than 25 mm, which represents approximately 5–7% of intracranial aneurysms. Severe disease with poor natural history presents with 68% mortality in two years and 85% in five years for untreated cases. Thus, in the majority of cases, the patients require treatment, despite the risks of therapeutic options. We discuss the epidemiology, natural history, diagnosis, and treatment of giant aneurysms based on the experience of 286 operations and literature data.

Resumo

Os Aneurismas são classificados como gigantes quando seu maior diâmetro é igual ou superior a 25 mm e representam aproximadamente de 5 a 7% dos aneurismas intracranianos. Trata-se de patologia grave com história natural ruim apresentando mortalidade de 68% em 2 anos e 85% em 5 anos para casos não tratados. Desta forma, na maioria dos casos, estes pacientes devem ser tratados apesar do alto risco das opções terapêuticas. Neste estudo, discutimos a epidemiologia, a história natural, o diagnóstico e o tratamento desta grave patologia baseado na experiência de 286 pacientes tratados e dados da literatura.

Keywords

giant aneurysm - complex aneurysm - microneurosurgery

Palavras-chave

aneurisma gigante - aneurisma complexo - microcirurgia
 

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