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Is Percutaneous Coil Embolization Effective for Occluding Accessory Veins associated with Maturing Arteriovenous Fistulas
Homer H. Keadle, III, MD, Anna Royer, MD, Richard Sprouse, MD, Chris Lesar, MD, Charles Joels, MD, Dan Fisher, MD, Michael Greer, MD, Mark Fugate, MD, Sachin Phade, MD, Jeff Horn, MD.
UT Chattanooga, Chattanooga, TN, USA.
Objectives: To determine if percutaneous coil embolization is effective for occluding accessory veins and associated with maturing arteriovenous fistulas
Methods: This study is a 3-year retrospective review of 33 patients
Results: Twenty of the fistulas were brachiocephalic and 13 were radiocephalic AVF(s). Coil embolization was performed in 55 accessory veins. In 19 (34%) of these accessory veins 2 coils were used. The diameter of the coils ranged for 3 to 7 mm. Follow-up fistulagram confirmed successful occlusion in 46/55 (83%) of the accessory veins. Persistent flow was demonstrated in 5/55 (9%), and in 4/55 (7%) flow within the accessory veins could not be determined. Twenty-nine (87%) of the AVF (s) matured after undergoing percutaneous embolization.
Conclusions:
Percutaneous coil embolization of accessory veins in AVF(s) provides an acceptable alternative to open ligation and is associated with successful AVF maturation.
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