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Kyobu Geka. 2012 Jul;65(7):519-26.

[Total aortic arch replacement in Stanford type A aortic dissection using a new method of implanting the stented graft].

[Article in Japanese]

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1
Department of Cardiovascular Surgery, Sayama Hospital, Sayama, Japan.

Abstract

In surgery for Stanford type A aortic dissection (SAAD) with intimal tear in the arch or proximal descending aorta, we performed total arch replacement with frozen elephant trunk technique for the purpose of achieving complete exclusion of the entry. To reduce the circulatory arrest time, we developed a quick stent graft placement method in the proximal descending aorta. We reported the early results and assessed the efficacy of our new method. Between March 2006 and February 2010, 52 consecutive patients with SAAD were divided into 2 groups:group A consisted of 17 patients who received total arch replacement with our new method;group B consisted of 35 patients who received ascending aorta or partial arch replacement. The duration of operation and cardiopulmonary bypass were significantly longer in group A. However, the duration of circulatory arrest time and postoperative factors including hospital mortality did not differ in both groups. In group A, thrombus obliteration of the residual false lumen in the descending aorta was observed in 75% at 19.2±13.1 months postoperatively. Shrinkage of false lumen in the aortic arch occurred in 15 patients( 93.8%). There was no reoperation for the residual false lumen and late death. Total aortic arch replacement with our new method for SAAD is technically feasible without increasing the operative risk and might reduce the necessity for further operations.

PMID:
22750824
[Indexed for MEDLINE]
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