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Aortic Valve Surgery for Patients with Severely Calcified Aorta Naosumi Sekiya 1 , Taichi Sakaguchi 1 1Department of Cardiovascular Surgery, Hyogo College of Medicine Keyword: aortic calcification , aortic valve replacement , porcelain aorta pp.744-748
Published Date 2020/9/20
DOI https://doi.org/10.15106/j_kyobu73_744
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Severe atherosclerosis of the ascending aorta frequently causes difficulties during heart operations, hindering surgical maneuvers and potentially leading to systemic embolism. There have been several methods to solve these problems but the best way to treat patients requiring aortic valve replacement (AVR) has not been established yet. Surgical techniques for AVR in these patients include AVR under deep hypothermic circulatory arrest with or without endarterectomy of the ascending aorta or replacement of the ascending aorta. Endovascular clamping using a balloon is another approach but require manipulation of the heavily calcified aorta that may result in a certain risk for stroke. Another option to avoid the ascending aorta and cross-clamping is the apico-aortic conduit. Trans-catheter AVR (TAVR), especially trans-apical AVR, has been shown to be feasible in such patients. Large studies and longer follow-up will be required to scientifically prove the superiority of trans-apical AVR over conventional surgical strategies in patients with porcelain aorta requiring AVR.


© Nankodo Co., Ltd., 2020

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電子版ISSN 2432-9436 印刷版ISSN 0021-5252 南江堂

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