Aim:Castor is a novel single-branched stent graft system for endovascular repair of aortic arch dissection. This is a prospective, one-arm, open, multi-center, pre-market study of Castor stent to evaluate its efficacy and safety in treatment of aortic dissection. Number of patients: 70 patients will be included and undertaken endovascular repair with Castor stent. Follow-up: 1.aortic computed tomographic angiography (CTA) examination 6 and 12 months after the surgery 2.telephone or clinical follow-up 30 days and 2-5 years after the surgery Primary Outcome Measure: success rate of endovascular repair for efficacy measurement. Secondary Outcome Measure: 1 year stent related adverse event rate for safety measurement. Other Outcome Measures: 1. efficacy: * 1 year success rate of treatment * 1 year patency rate of branch stent 2. safety: * in-hospital mortality * complication rate of neural system * 1 year dissection or stent related mortality
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success rate of endovascular repair
Timeframe: during the surgery