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Dural Arteriovenous Fistula of the Superior Petrosal Sinus: Postinterventional SAH and Edema of the Brainstem and Cerebellum due to Thrombosis of the Superior Petrosal Vein

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The Arteriovenous Malformations and Fistulas Casebook

Abstract

A 65-year-old female patient presented with refractory trigeminal neuralgia causally related to a dural arteriovenous fistula (DAVF) located at the petrous apex with venous dilatation and contact with the trigeminal nerve in the cisternal course. Endovascular treatment was performed using transarterial Squid embolization via the petrous branch of the middle meningeal artery (MMA) but did not result in a complete occlusion. Therefore, this was followed by transvenous embolization with Squid via the superior petrosal sinus. Following the intervention, the patient became less alert. A CT scan showed fresh subarachnoid blood and progressive hydrocephalus over the following hours. The patient was re-intubated and given external ventricular drainage. MR imaging revealed marked edema in the brainstem and in the anterior portions of the cerebellum, which was interpreted as a venous infarction due to the occlusion of the superior petrosal vein. Therapeutic heparinization was initiated. Gradually, the patient became more alert and her edema resolved. Petrosal DAVFs are a rare cause of trigeminal neuralgia. Treatment is challenging and harbors the risk of venous occlusion of the superior petrosal vein following transvenous Squid embolization.

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Abbreviations

AV:

Arteriovenous

CCA:

Common carotid artery

DAVF:

Dural arteriovenous fistula

DMSO:

Dimethyl sulfoxide

DSA:

Digital subtraction angiography

DWI:

Diffusion-weighted imaging

ECA:

External carotid artery

FLAIR:

Fluid-attenuated inversion recovery

ICA:

Internal carotid artery

MMA:

Middle meningeal artery

MRI:

Magnetic resonance imaging

n-BCA:

n-butyl cyanoacrylate

NECT:

Nonenhanced computed tomography

SPS:

Superior petrosal sinus

SPV:

Superior petrosal vein

VA:

Vertebral artery

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Correspondence to Franziska Dorn .

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Dorn, F. (2022). Dural Arteriovenous Fistula of the Superior Petrosal Sinus: Postinterventional SAH and Edema of the Brainstem and Cerebellum due to Thrombosis of the Superior Petrosal Vein. In: Henkes, H., Lylyk, P., Ganslandt, O. (eds) The Arteriovenous Malformations and Fistulas Casebook. Springer, Cham. https://doi.org/10.1007/978-3-030-51200-2_34-1

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  • DOI: https://doi.org/10.1007/978-3-030-51200-2_34-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-51200-2

  • Online ISBN: 978-3-030-51200-2

  • eBook Packages: Springer Reference MedicineReference Module Medicine

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