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A Novel Murine Model of Arteriovenous Fistula Failure: The Surgical Procedure in Detail
Published on: February 3, 2016
Obstructive hydrocephalus associated with spontaneous dural arteriovenous fistula: A case report
Chang Wei Zhang1, Wei Fu1, Seidu A Richard1,2
1Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Rationale:
Dural arteriovenous fistulae (DAVF) are vascular disorders depicted with direct interconnection between dural arteries and cerebral venous sinuses and/or cortical veins. Only a hand full of cases have been reported in literature. DAVF obstructing the 3rd ventricle and quadrigeminal cistern resulting in hydrocephalus is very rare.
Patient Concerns:
We present a 55-year-old female with 2 years history of headaches and blurring of vision. Cranial nerves examinations were unremarkable.
Diagnoses:
Magnetic Resonance Imaging (MRI) and digital subtraction angiography showed multiple tortuous vascular malformation in the 3rd ventricle and quadrigeminal cistern resulting in obstructive hydrocephalus (OHC).
Interventions:
We utilized endovascular embolization treatment option to obliterate the lesion. We used Onyx embolization agent (ev3 Neurovascular, Irvine, CA) to embolize the lesion via the transarterial route.
Outcomes:
The OHC resolved spontaneously after the endovascular embolization of the DAVF. The patient recovered with no further neurologic complication. Two years follow-up reveal no recurrence of the DAVF as well as hydrocephalus.
Lessons:
Adequate knowledge on the vascular anatomy is very crucial in managing DAVF.
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