术后12个月分别观察患者的耳廓及经主动脉内直径。
The falselumen and transaortic diameter were observed at 12 months after it.
然而，与外科瓣膜置换术（目前即使在高危患者中仍然是金标准）相比较，经导管主动脉瓣置换术需要证明它的有效性。
Nevertheless, transcatheter aortic valve replacement needs to prove its effectiveness in comparison to surgical valve replacement, which remains the gold standard, even in high-risk patients.
一些本来经主动脉输送到全身的血液通过这个连接分流到肺去获取氧。
Some of the blood traveling through the aorta towards the body will "shunt" through this connection and flow into the pulmonary artery to receive oxygen.
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