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  • Title: Dual-lumen balloon to increase onyx venous penetration in the treatment of spinal dural arteriovenous fistulas.
    Author: Trivelato FP, Rezende MTS, Ulhoa AC, Nakiri GS, Abud DG.
    Journal: J Neuroradiol; 2018 Mar; 45(2):142-146. PubMed ID: 28988940.
    Abstract:
    PURPOSE: Spinal dural arteriovenous fistulas (sDAVF) are the most common spinal vascular lesions. The arterialization of the recipient vein results in venous hypertension and chronic ischemia. Intravascular injection of acrylic glue in order to occlude the draining vein is the principle of endovascular treatment, but a significant portion of embolization procedures do not succeed. We present our initial experience of endovascular balloon augmented embolization of sDAVF using a dual-lumen balloon. CLINICAL PRESENTATION: Three patients harboring sDAVF were submitted to endovascular treatment by onyx injection assisted by a double-lumen balloon as the sole therapy. Control angiography demonstrated complete obliteration of the fistula in all cases with clinical improvement. CONCLUSION: Dual-lumen balloon onyx embolization of spinal dural arteriovenous fistulas appears to be an acceptable and feasible alternative.
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