With the new procedure, only a small incision in the groin is required to introduce a catheter to the site of the tear, with no need for circulatory support, Dr.Steinmetz said.

• 利用这种新技术，只需要在患者的腹股沟切个小口，然后把一个导管放到撕裂部位，根本不需要体外循环支持，Steinmetz博士说。