分支型Dacron移植物置换主动脉弓顺行使用胸支架

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Authors：Antioco Cappai，.Pietro Malvindi，.Giuseppe Raffa，.Fabrizio Settepani，.Giuseppe Tarelli

Video Description：该视频演示利用“自制”冻结象鼻术治疗涉及大动脉弓和近端降主动脉的复杂大动脉疾病。该视频中患者计划进行镶嵌手术。

在中度低温停循环的情况下，应用象鼻术将主动脉弓置换为分支型Dacron移植物。从CPB脱离后，在Dacron移植片的一个分支上顺行使用胸支架。象鼻管用作主动脉弓近端血管处。

利用该技术可在一步操作中治疗复杂的主动脉疾病，与传统冷冻象鼻术相比，循环停止的时间较短。

This video shows a “home-made” frozen elephant trunk technique for the treatment of a complex aortic disease involving the arch and the proximal descending aorta. A hybrid procedure was planned.

During moderate hypothermia circulatory arrest the aortic arch was replaced with a branched Dacron graft utilizing the elephant trunk technique. After weaning from CPB, a thoracic stent-graft was deployed antegrade through a branch of the Dacron graft. The elephant trunk was utilized as the proximal neck.

This technique allows treatment of complex aortic disease in a single step, reducing the circulatory arrest time when compared to conventional frozen elephant trunk technique.