目的：探讨“烟囱”技术在主动脉夹层腔内隔绝术中保留重要分支动脉的作用及疗效。
Objective: to assess the use and outcomes of chimney grafts inserting into the left carotid artery in endovascular repair of aortic dissection.
SSD显示真性主动脉瘤最优，能立体、形象的显示动脉瘤大小、形态、部位及与主要分支的关系。
SSD was the best choice for displaying the stereographic features of true aortic aneurysm, such as its size, three dimensional shape, location and its relation with main arterial branches.
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