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.
目的回顾性总结主动脉瓣和二尖瓣联合瓣膜置换术的体外循环经验。
OBJECTIVE To summarize the clinical experience of cardiopulmonary bypass in double valve replacement.
方法：采取右侧小切口及横断胸骨小切口，对23例二尖瓣、主动脉瓣病变患者行瓣膜置换术。
Methods: Through right minimally incision and transected sternal incision, 23 patients underwent mitral or aortic valve replacement.
全组行二尖瓣成形术2例，二尖瓣置换术9例，主动脉瓣置换术3例，二尖瓣、主动脉瓣双瓣膜置换术10例；
Mitral valvoplasty in 2 patients and mitral valve replacement in 9 and aortic valve replacement in 3 and double valve replacement in 10 were performed.
目的探讨主动脉瓣膜置换术的麻醉及体外循环管理效果。
Objective To explore the clinical management effect of anaesthesia and extracorporeal circulation in valve replacement of heart aorta.
无论何种模型的植入生物瓣膜，主动脉瓣置换术的主要目的是改善血流动力学状况。
Regardless model of implanted bioprosthesis the primary purpose of aortic valve replacement is to improve hemodynamic conditions.
无论何种模型的植入生物瓣膜，主动脉瓣置换术的主要目的是改善血流动力学状况。
Regardless model of implanted bioprosthesis the primary purpose of aortic valve replacement is to improve hemodynamic conditions.
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