As these figures show, both the literature review and the case report make it clear that there is an elevated incidence of complications after surgical treatment of these patients. After endovascular treatments, two patients died from cerebral vascular accidents after stent placement or coil embolization for carotid-cavernous fistulas; one patient died from a cerebral vascular accident after placement of a thoracic endoprosthesis; one patient died from a ruptured iliac artery after stent placement in the vertebral artery; and one patient died from bleeding after mesenteric embolization. All of the patients in the miscellaneous category died from hemorrhagic complications. The mean of age of patients who died was 31 years (range: 5 months to 53 years).2 - 4