Comparative Study of Elephant Trunk and Frozen Elephant Trunk Techniques Setsuo Kuraoka 1 , Mayumi Shinonaga 1 , Kisato Mitomi 1 , Shuuhei Suzuki 1 1Department of Cardiovascular Surgery, Mito Saiseikai General Hospital Keyword: Stanford type A acute aortic dissection , elephant trunk technique , frozen elephant trunk technique , surgical results pp.327-330
Published Date 2021/5/1
DOI https://doi.org/10.15106/j_kyobu74_327
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Twenty-six patients underwent total arch replacement for Stanford type A aortic dissection, including that with elephant trunk technique (ET group, n=10) or with frozen elephant trunk technique (FET group, n=16). We compared preoperative and intraoperative findings, postoperative results and distal aortic arch remodeling between the two groups. In FET group, anesthesia time, operation time, cardiopulmonary bypass time, cardiac arrest time and circulatory arrest time were significantly shorter than ET group. Also, intra-operative blood transfusion amount was significantly smaller than ET group. In FET group, the ratio of true lumen area and thrombosis rate of false lumen at the distal arch level were significantly higher than ET group. Other postoperative results were almost similar between the two groups.

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