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Updated: Aug 9, 2026
Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
Published on: May 11, 2011
Endovascular treatment of cerebral arteriovenous malformations following radiosurgery
M P Marks1, B Lane, G K Steinberg
1Department of Diagnostic Radiology, Stanford University School of Medicine, CA.
Purpose:
Previous reports of embolization of cerebral arteriovenous malformations (AVMs) have evaluated the technique as adjunctive therapy prior to surgery or radiosurgery; our aim is to assess the role of embolization following radiosurgery.
Patients:
Six patients previously treated with radiosurgery and showing no response as judged by cerebral angiography were embolized 24 to 55 months (mean 34.3 months) after initial radiosurgery.
Results:
In five of six, a significant volume reduction was achieved ranging from 60%-100% (mean 74%). One patient was treated with embolization alone and the AVM has remained fully thrombosed 2 years after treatment. Three patients underwent surgical resection for cure after embolization, and two patients had repeat radiosurgery to a significantly smaller AVM volume. One patient had an asymptomatic carotid dissection at embolization; however, no clinically apparent complications occurred in the treatment group.
Conclusion:
Embolization can be used after radiosurgery to assist in the management of those AVMs that have not responded to initial treatment.
