A Case of Iatrogenic Dural Artery–Pial Vein Shunt Treated with Endovascular Treatment

Objective: A few cases of postsurgical iatrogenic arteriovenous shunts have been reported, with the arterial blood flow directly entering the pial veins. Herein, we reported a patient with a dural artery–pial vein shunt found 1 year after aneurysmal clipping.Case Presentation: A 64-year-old male pre...

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Bibliographic Details
Published in:Journal of Neuroendovascular Therapy 2023, Vol.17(3), pp.88-92
Main Authors: Shigematsu, Hideaki, Yokota, Kazuma, Hirayama, Akihiro, Sorimachi, Takatoshi
Format: Article
Language:English
Subjects:
Case Report
iatrogenic arteriovenous shunts
n-butyl-2-cyanoacrylate
transarterial embolization
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Summary:Objective: A few cases of postsurgical iatrogenic arteriovenous shunts have been reported, with the arterial blood flow directly entering the pial veins. Herein, we reported a patient with a dural artery–pial vein shunt found 1 year after aneurysmal clipping.Case Presentation: A 64-year-old male presented with generalized convulsion 1 year after cerebral aneurysmal clipping. A CT showed intracerebral hemorrhage in the temporo-occipital cortex and a dural artery–pial vein shunt in proximity to the previous craniotomy center. The arterial blood flow from the deep temporal artery, the middle meningeal artery, and the anterior auricular branch of the superficial temporal artery shunted into the superficial middle cerebral vein, with evident cortical venous reflux. Embolization was performed with n-butyl-2-cyanoacrylate and completely occluded the shunt. The patient was discharged without neurological deficits.Conclusion: Endovascular liquid embolization may be an effective treatment for iatrogenic dural artery–pial vein shunt.
ISSN:1882-4072
2186-2494
DOI:10.5797/jnet.cr.2022-0058