The valve might be a safer and less-invasive alternative to surgical therapy for patients with severe emphysema.
对于严重肺气肿患者而言,(支气管内)瓣膜可能是手术之外更为安全、更少侵袭性的治疗选择之一。
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Nevertheless, transcatheter aortic valve replacement needs to prove its effectiveness in comparison to surgicalvalve replacement, which remains the gold standard, even in high-risk patients.