Vascular structure of cavernous sinus dural arteriovenous fistula and its impact on endovascular treatment approach selection and outcome
SHEN Shiyu
LIU Peixi
SHI Yuan
ZHU Wei
LI Peiliang
TIAN Yanlong
Abstract：Objective To investigate the influence of the vascular structure of cavernous sinus dural arteriovenous fistula(CS-DAVF)on the selection and efficacy of endovascular treatment methods.Methods A retrospective analysis was conducted on 75 patients with CS-DAVF who underwent endovascular embolization,and the selection of treatment strategies and clinical outcomes for them were reported.Results All 75 patients(12 males and 63 females;average age 51.61 years)underwent CS-DAVF embolization.The most common symptoms were proptosis(34.7%),bulbar conjunctival edema(42.7%),and headache(24%).On digital subtraction angiography images,33.3%of DAVF were unilateral,and 66.7%were supplied by the external carotid artery and internal carotid artery.In the inferior petrosal sinus(IPS)of patients,54.7%were not visualized.The most common endovascular approaches included the IPS(37.3%)and trans-arterial(26.7%)approaches.64%CSDAVFs were treated with coils and Onyx embolization.84%of fistulas were completely embolized after the surgery,and the follow-up rate was 77.3%.The final modified Rankin scale score was(0.8±0.9).Conclusions The vascular structure of CS-DAVF is closely related to the choice and outcome of intravascular treatment methods.Combined with the improved IPS recanalization technique,the IPS approach is safe and effective.The dual microcatheter and balloon-assisted technique ensure the safety and completeness of the embolization.
Keywords：dural arteriovenous fistulaendovascular proceduresembolization proceduresurgical approach
Publication Date：2026-01-28
Online Publishing Date：2026-01-17(First online date of this platform, not the publication date of the document)
Pages：6( 22-27 )