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Embolization of Arteriovenous Fistulae of the Maxillary Artery after Le Fort Ⅰ Osteotomy:A Case Report Shuho GOTOH 1 , Toshiya OSANAI 1 , Satoshi USHIKOSHI 2 , Kota KURISU 1 , Yusuke SHIMODA 1 , Kiyohiro HOUKIN 1 1Department of Neurosurgery, Hokkaido University Graduate School of Medicine 2Department of Neurosurgery, National Hospital Organization Hokkaido Medical Center Keyword: Le FortⅠosteotomy , arteriovenous fistulae , embolization , n-butyl cyanoacrylate , maxillary artery pp.335-340
Published Date 2020/4/10
DOI https://doi.org/10.11477/mf.1436204187
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 BACKGROUND:Le FortⅠ osteotomy, one of the most common techniques applied to correct jaw deformities, is generally considered operatively safe. However, a few articles reported that this procedure can lead to formation of arteriovenous fistulae(AVF)involving the maxillary artery infrequently.

 CASE REPORT:A man in his 40s with a jaw deformity underwent Le FortⅠ osteotomy. Two days later, he noticed pulsating tinnitus in his right ear. Angiography revealed AVF between the proximal part of the maxillary artery(first segment)and the pterygoid plexus. On further evaluation, AVF were embolized with n-butyl-2-cyanoacrylate(NBCA). Obliteration of AVF was confirmed on the final angiography. The tinnitus resolved shortly after the embolization.

 CONCLUSION:Embolization with NBCA is a promising treatment for maxillary AVF after Le FortⅠ osteotomy.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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