Background: High-flow craniofacial vascular malformations are uncommon, locally aggressive lesions that pose a therapeutic challenge.
Objective: To report our experience with the treatment of high-flow craniofacial vascular malformations.
Methods: After institutional review board approval was obtained, the neurointerventional databases of two institutions were retrospectively reviewed for vascular malformations from October 2010 to June 2015. All patients who had been treated for a high-flow craniofacial vascular malformation were included in the analysis. Clinical presentation, location, type, agent and techniques used, procedural complications, and clinical and imaging follow-up were included in the analysis.
Results: Eighteen patients (12 female and 6 male) harboring 21 high-flow vascular malformations met the inclusion criteria in our study. All patients were symptomatic. One patient had two separated arteriovenous malformations (AVMs) (one nasal and the other forehead/scalp), and one patient had three separated scalp lesions. One patient with a nasal AVM had capillary malformation-AVM syndrome. Overall, 13 AVM and 8 arteriovenous fistuli were treated in 31 targeted embolization procedures (ranging from 1 procedure to 4 procedures, mean 1.7 procedures). Onyx was the predominant agent used in 25 procedures. In 31 procedures, 1 procedural complication (skin ulceration) occurred. At the end of the last treatment session 14 of the 21 lesions were cured. Symptomatic control was achieved in all cases, with resolution or significant improvement of the symptoms (mean follow-up of 10 months).
Conclusions: High-flow craniofacial vascular malformations can be successfully managed with interventional techniques.
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