Comparison of Radiofrequency Ablation of Fibroids (Acessa™  Procedure) and Uterine Artery Embolization (UAE) Uterine Artery Embolization Procedure The procedure is performed by an interventional radiologist. If complications occur, the patient is cared for by a gynecologist. Under sedation, an incision is made over the femoral artery and a catheter is inserted. Under fluoroscopy (real time, X ray imaging) the catheter is maneuvered into the left and then the right uterine artery. Permanent synthetic beads (usually made of poly vinyl alcohol PVA) are then injected which enter the uterus and block blood flow, causing ischemia or lack of oxygen throughout the