Frozen Elephant Trunk for Aortic Arch Repair

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  • Kato Masaaki
    Department of Cardiovascular Surgery, Morinomiya Hospital

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  • オープンステント（弓部大動脈瘤手術でのFrozen Elephant Trunk（FET）法）

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<p>Frozen elephant trunk procedure is a hybrid of stent-grafting and open surgery for aortic arch disease. This procedure has widely spread all over the world as an original hybrid treatment with developing and marketing of the dedicated device. Although the most effective use of frozen elephant trunk technique is total arch repair for acute type A aortic dissection, this procedure can be indicated to all of aortic arch disease such as true aortic arch aneurysm and type B aortic dissection. A merit of this procedure is avoidance of suture anastomosis in descending aorta that is hard to suture without left thoracotomy, and subsequent diminishing pulmonary complications. Although a demerit of this procedure is increasing rate of spinal cord injury after operation, this complication is reduced to around 3% with some protection technique for spinal cord injury.</p>

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