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Number of coils necessary to treat cerebral aneurysms according to each size group: a study based on a series of 952 embolized aneurysms / Quantidade de molas necessárias para o tratamento endovascular dos aneurismas cerebrais de acordo com seu tamanho: estudo baseado em uma série de 952 aneurismas embolizados
Vanzin, José Ricardo; Abud, Daniel Giansante; Rezende, Marco Tulio Salles; Moret, Jacques.
  • Vanzin, José Ricardo; Interventional Neuroradiology of the Neurology and Neurosurgery Service. Passo Fundo. BR
  • Abud, Daniel Giansante; University of São Paulo. School of Medicine of Ribeirão Preto. Hospital das Clínicas. Ribeirão Preto. BR
  • Rezende, Marco Tulio Salles; Federal University of Minas Gerais. Hospital das Clínicas. Belo Horizonte. BR
  • Moret, Jacques; Hôpital Beaujon. Service de Neuroradiologie Interventionnelle. Paris. FR
Arq. neuropsiquiatr ; 70(7): 520-523, July 2012. tab
Article in English | LILACS | ID: lil-642977
ABSTRACT
OBJECTIVE: The Brazilian public health system determines a quantity of coils allowed to treat a cerebral aneurysm. The goal of this paper was to determine the number of coils necessary to treat an aneurysm based on size. METHODS: All patients harboring an aneurysm treated by endovascular approach between 1999 and 2003 were reviewed. RESULTS: There were 952 aneurysms included. Mean diameter sac was 8.2 mm with 7.9 coils per aneurysm. Out of 462 small aneurysms, mean size was 4.8 mm, with 4.6 coils/aneurysm used. A total of 315 medium aneurysms were treated, mean size was 8.6 mm, with 8.2 coils. Out of 135 large, mean size was 17 mm, with 16.1 coils. Forty giant aneurysms were treated with a mean size of 32 mm and 28.7 coils. CONCLUSIONS: We propose size as a reference to predict the number of coils necessary to treat each aneurysm: one coil for each millimeter of diameter.
RESUMO
OBJETIVO: O sistema público brasileiro determina uma quantidade limitada de molas permitida para o tratamento endovascular dos aneurismas cerebrais. O objetivo deste trabalho foi determinar a quantidade de molas necessária para tratar um aneurisma usando tamanho como referência. MÉTODO: Foram revisados todos os pacientes com aneurismas embolizados entre 1999 e 2003. RESULTADOS: No total, 952 aneurismas foram analisados. O diâmetro médio foi de 8,2 mm, com 7,9 molas usadas por aneurisma. Do total, 462 aneurismas eram pequenos, com tamanho médio de 4,8 mm e 4,6 molas/aneurisma. Foram tratados 315 aneurismas médios, com tamanho médio de 8,6 mm e 8,2 molas/aneurisma. Dentre os 135 aneurismas grandes, o tamanho foi de 17 mm, com 16,1 molas/aneurisma. Foram tratados 40 aneurismas gigantes, com média de 32 mm e 28,7 molas/aneurisma. CONCLUSÃO: Propomos que se utilize o tamanho do aneurisma como referência para prever o número de molas necessário para embolização: uma mola para cada milímetro de tamanho do saco aneurismático.
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Full text: Available Index: LILACS (Americas) Main subject: Stents / Intracranial Aneurysm / Embolization, Therapeutic Type of study: Observational study / Risk factors Limits: Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2012 Type: Article Affiliation country: Brazil / France Institution/Affiliation country: Federal University of Minas Gerais/BR / Hôpital Beaujon/FR / Interventional Neuroradiology of the Neurology and Neurosurgery Service/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Stents / Intracranial Aneurysm / Embolization, Therapeutic Type of study: Observational study / Risk factors Limits: Female / Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2012 Type: Article Affiliation country: Brazil / France Institution/Affiliation country: Federal University of Minas Gerais/BR / Hôpital Beaujon/FR / Interventional Neuroradiology of the Neurology and Neurosurgery Service/BR / University of São Paulo/BR