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Dural arteriovenous fistulas with direct cortical venous drainage treated with Onyx®: a case series / Fístulas arteriovenosas durais com drenagem cortical direta tratadas com Onyx®: casuística
Trivelato, Felipe Padovani; Abud, Daniel Giansante; Ulhôa, Alexandre Cordeiro; Menezes, Tiago de Jesus; Abud, Thiago Giansante; Nakiri, Guilherme Seikem; Colli, Benedicto Oscar; Gusmão, Sebastião Nataniel Silva; Rezende, Marco Túlio Salles.
  • Trivelato, Felipe Padovani; Federal University of Minas Gerais. Department of Neurosurgery. Division of Interventional Neuroradiology. Belo Horizonte. BR
  • Abud, Daniel Giansante; University of São Paulo. Medical School of Ribeirão Preto. Department of Internal Medicine. Division of Interventional Neuroradiology. Ribeirão Preto. BR
  • Ulhôa, Alexandre Cordeiro; Federal University of Minas Gerais. Department of Neurosurgery. Division of Interventional Neuroradiology. Belo Horizonte. BR
  • Menezes, Tiago de Jesus; Federal University of Minas Gerais. Department of Neurosurgery. Division of Interventional Neuroradiology. Belo Horizonte. BR
  • Abud, Thiago Giansante; University of São Paulo. Medical School of Ribeirão Preto. Department of Internal Medicine. Division of Interventional Neuroradiology. Ribeirão Preto. BR
  • Nakiri, Guilherme Seikem; University of São Paulo. Medical School of Ribeirão Preto. Department of Internal Medicine. Division of Interventional Neuroradiology. Ribeirão Preto. BR
  • Colli, Benedicto Oscar; University of São Paulo. Medical School of Ribeirão Preto. Department of Surgery. Division of Neurosurgery. Ribeirão Preto. BR
  • Gusmão, Sebastião Nataniel Silva; Federal University of Minas Gerais. Department of Neurosurgery. Division of Interventional Neuroradiology. Belo Horizonte. BR
  • Rezende, Marco Túlio Salles; Federal University of Minas Gerais. Department of Neurosurgery. Division of Interventional Neuroradiology. Belo Horizonte. BR
Arq. neuropsiquiatr ; 68(4): 613-618, Aug. 2010. tab
Article in English | LILACS | ID: lil-555244
ABSTRACT
Dural arteriovenous fistulas (DAVFs) may have aggressive symptoms, especially if there is direct cortical venous drainage. We report our preliminary experience in transarterial embolization of DAVFs with direct cortical venous drainage (CVR) using Onyx®.

METHOD:

Nine patients with DAVFs with direct cortical venous drainage were treated eight type IV and one type III (Cognard). Treatment consisted of transarterial embolization using Onyx-18®. Immediate post treatment angiographies, clinical outcome and late follow-up angiographies were studied.

RESULTS:

Complete occlusion of the fistula was achieved in all patients with only one procedure and injection in only one arterial pedicle. On follow-up, eight patients became free from symptoms, one improved and no one deteriorated. Late angiographies showed no evidence of recurrent DAVF.

CONCLUSION:

We recommend that transarterial Onyx® embolization of DAVFs with direct cortical venous drainage be considered as a treatment option, while it showed to be feasible, safe and effective.
RESUMO
As fistulas arteriovenosas durais (FAVDs) podem se manifestar com sintomas agressivos, especialmente se existe drenagem cortical direta. Relatamos nossa experiência preliminar na embolização transarterial de FAVDs com drenagem cortical direta usando Onyx®.

MÉTODO:

Nove pacientes com FAVDs com drenagem cortical direta foram tratados oito do tipo IV e uma do tipo III (Cognard). O tratamento consistiu na embolização transarterial usando Onyx-18®. Angiografias imediatas pós-tratamento, evolução clínica e angiografias de controle tardias foram estudadas.

RESULTADOS:

A oclusão completa da fístula foi alcançada em todos pacientes através de um só procedimento e injeção em apenas um pedículo arterial. No seguimento, oito pacientes ficaram livres de sintomas, um melhorou e nenhum deteriorou. Angiografias tardias de controle não mostraram evidência de FAVD recorrente.

CONCLUSÃO:

Nós recomendamos que a embolização transarterial com Onyx® das FAVDs com drenagem cortical direta, seja considerada como uma opção terapêutica, uma vez que mostrou ser factível, segura e efetiva.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Polyvinyls / Dimethyl Sulfoxide / Central Nervous System Vascular Malformations / Embolization, Therapeutic Type of study: Observational study / Prognostic study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Polyvinyls / Dimethyl Sulfoxide / Central Nervous System Vascular Malformations / Embolization, Therapeutic Type of study: Observational study / Prognostic study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Minas Gerais/BR / University of São Paulo/BR