Williams' publicist says he needs to have an aortic valve replacement.

威廉的公关人员指出威廉需要进行主动脉瓣更换。

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Aortic valve replacement can performed for reoperation during follow-up.

随访中再次手术可选择换瓣手术。

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Objective To investigate the application of continuous suture in aortic valve replacement.

目的探讨主动脉瓣置换中连续缝合方法的应用。

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Traditionally, aortic valve replacement has been performed with open-heart surgery.

CNN: Aortic valve regurgitation

In a startling break with tradition, the American College of Cardiology and the Society of Thoracic Surgeons will manage and run their own clinical trials testing expanded uses for transcatheter aortic valve replacement (TAVR).

FORBES: Two Medical Societies Break New Ground To Test Medical Device

Following the approval of the first device for transcathether aortic valve replacement therapy (TAVR) earlier this month, the Society of Thoracic Surgeons (STS) and The American College of Cardiology (ACC) have announced the launch of th e TVT Registry, a joint initiative that will monitor the rollout of the new technology.

FORBES: ACC and STS Announce Launch of TAVR Registry