Fig. 1

The implantation of the modified triple-branched stent graft for the replacement of the descending aorta combined with aortic root reconstruction. a Modified triple-branched stent-graft; b aortic root reconstruction and replacement of the ascending aorta with artificial graft; c exposure of the branching arteries in the aortic arch; d implantation and release of the modified triple-branched stent-graft; e Two-branch stent grafts were secured appropriately; f a perfusion tube was inserted into the left carotid artery via the second branch of the stent graft, and bilateral antegrade cerebral perfusion was performed; g the artificial graft was continuously sutured with the proximal end of the modified triple-branched stent graft