Safety and Efficacy of XJ-Procedure in Patients With Acute Type A Aortic Dissection Surgery

A 1.5-2cm wide bovine pericardial patch and graft ring will be placed inside and outside the aortic root and against the aortic wall, respectively, and continuously sutured near the commissure using 5-0 polypropylene. Then an eversion about 15mm of vascular graft will be intermittently sutured to full layers of aortic vascular with 2-0 pad polyester suture. Finally, the eversion and aortic wall will be continuously sutured together in one more turn.