Figure 2 D , Intubate venous cannulation in the right
atrial appendage, start cardiopulmonary bypass, complete aortic root
reconstruction (take the Bentall procedure as an example). E ,
Insert frozen elephant trunk (FET) into descending aorta, anastomose the
distal vascular graft trunk was with the proximal FET. F ,
Anastomose the proximal end of the fourābranched vascular graft with the
aortic root.