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Dural arteriovenous fistula

Q) What is the risk of rebleeding after ICH from dural arteriovenous fistula?

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A) The risk of rebleed is approximately 46% annually. However, one series showed that the risk of rebleeding was 35% within 2 weeks in dAVF with retrograde venous drainage. Therefore, ICH from dAVF should be treated as soon as possible.

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Reference:

1) Duffau H, Lopes M, Janosevic V, et al. Early rebleeding from intracranial dural arteriovenous fistulas: report of 20 cases and review of the literature. J Neurosurg. 1999;90(1):78‐84.

2) Gross BA, Albuquerque FC, McDougall CG, et al. A multi-institutional analysis of the untreated course of cerebral dural arteriovenous fistulas. J Neurosurg. 2018;129(5):1114‐1119.

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