8Ye J, Cheung A, Lichtenstein S V, et al.Transapical aor- tic valve impla-ntation in humans[J].J Thorac Cardio- vasc Surg,2006,131(5) :1194-1196.
9Dashkevich A, Blanke P, Siepe M, et al. Preoperative as- sessment of aortic annulus dimensions: Comparison of noninvasive and intraoperative measurement [ J ]. Ann Thorac Surg, 2011,91 (3) : 709-714.
10Bagur R, Rodfis-Cabau J, Doyle D, et al. Usefulness of TEE as the primary imaging technique to guide tran- seatheter transapical aortic valve implantation[J].JACC Cardiovasc Imaging,2011,4(2) : 115-124.
