Endovascular repair of complex aortic aneurysms.
2014
BACKGROUND: Surgery for complex aortic aneurysms (thoracoabdominal, juxtarenal and pseudoaneurysms) is associated with a high morbidity and mortality rate. Branched and fenestrated stent grafts constitute a new technology intended as an alternative treatment for this disease. OBJECTIVES: To describe a single-center experience with fenestrated and branched endografts for the treatment of complex aortic aneurysms. METHODS: We reviewed all cases of complex aortic aneurysms treated with branched or fenestrated devices in our center. Data collected included device specifics, perioperative morbidity and mortality, re-intervention rates and mid-term results. RESULTS: Between 2007 and 2012 nine patients were treated with branched and fenestrated stent grafts. Mean age was 73 years. Mean aneurysm size was 63 mm. Perioperative mortality was 22% (2/9). During the follow-up, re-interventions were required in 3 patients (33%). Of 34 visceral artery branches 33 remained patent, resulting in a patency rate of 97%. Sac expansion was seen in a single patient due to a large endoleak. No late aneurysm-related deaths occurred. CONCLUSIONS: Branched and fenestrated stent grafts are feasible and relatively safe alternatives for the treatment of complex aortic aneurysms involving the visceral segment. Further research is needed to determine the long-term durability of this new technology.
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