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  • Title: A case of filum terminale arterial venous fistula needed a long arterial access for trans-arterial shunt obliteration.
    Author: Wajima D, Nakagawa I, Park HS, Haku T, Wada T, Kichikawa K, Nakase H.
    Journal: Interv Neuroradiol; 2017 Apr; 23(2):221-227. PubMed ID: 28133986.
    Abstract:
    A 78-year-old man was referred to our institution with a predominantly progressive numbness of both legs, and bladder dysfunction with urinary retention. He was diagnosed as the symptomatic arteriovenous fistula of the filum terminale (AVFFT). A trans-arterial embolization (TAE) of the arteriovenous shunt was planned for his symptomatic AVFFT. The long distance between the origin of the radiculo meningeal artery (Th8) and the site of the fistula (S1) resulted in the first TAE having a feeder occlusion. The length of accessible feeder in the first TAE was the longest (about 40 cm) as the past reports of the endovascular therapy. However, complete shunt occlusion was accomplished at a second session two weeks after the initial TAE because a more accessible feeder was developed by the initial feeder occlusion.
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