Yacoub valve-sparing aortic root replacement with a concomitant repair of Tetralogy of Fallot: a case reportJuan Wu1, MB, Qi An2, MD, Yongjun Qian2, MD, PhD1Out-patient Department, West China Hospital, Sichuan University, 37 Guoxue Lane, Chengdu, Sichuan 610041, China2Department of Cardiovascular Surgery, West China Hospital, Sichuan University, 37 Guoxue Lane, Chengdu, Sichuan 610041, ChinaCorresponding Author: Dr. Yongjun Qian, MD, PhDE-mail: qianyongjun@scu.edu.cn