a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart

the impulse response method is employed to analyse the effect of aortic valve on the cardiovascular coupling in this paper.

本文应用脉沖响应法研究了主动脉瓣对心脏—血管系统动态耦合的影响，得到了与生理相符的结果。

is there a risk in avoiding risk for younger patients with aortic valve disease?

患有主动脉瓣疾病的年轻患者在规避风险中存在风险吗？

in this article, percutaneous replacement of aortic valve and pulmonary valve is discussed.

文章主要介绍经皮肺动脉瓣置换术及经皮主动脉瓣置换术的应用现状。

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。

could you share your experience with us in transcatheter aortic valve implantation?

能否介绍你在经皮主动脉瓣置入方面的经验？

we have performed avb surgery as an alternative to conventional aortic valve replacement for high-risk as patients.

对于高危主动脉瓣狭窄患者，我们已经把主动脉瓣旁路术作为一种常规的替代主动脉瓣置换术的方法。

however, long-term data on a programmatic approach to aortic valve implantation remain sparse.

但是，常规主动脉瓣植入术的长期数据仍然稀缺。

symptoms of aortic valve disease include shortness of breath, chest pain or dizziness.

心脏主动脉瓣硬化癥状表现是呼吸短促，胸痛，头昏眼花。

also there are some very exciting work on percutaneous aortic valve replacement, with catheter based technique.

此外，也有关于经皮主动脉瓣置换术非常令人鼓舞的研究，是经导管置换。

objective to investigate the clinical application of aortic valve repair in pediatric aortic valve disease.

目的 总结主动脉瓣整形术在小儿主动脉瓣疾病中的应用经验。

a total of 358 patients with severe aortic stenosis, a heart disease characterized by obstruction of the aortic valve due to calcification, participated in the trial.

总计358名伴严重主动脉瓣狭窄（特征为因钙化主动脉瓣梗阻的一种心脏病）患者参加了这项实验。

objective to analyse the closing mechanism of ideal aortic valve model.

目的分析理想状态下主动脉瓣关闭机制。

conclusion: valve-sparing root replacement operation is a good option for patients with aortic valve insufficiency due to aneurysm of aortic root or ascending aorta.

结论主动脉根部替换手术时，对由于主动脉根部瘤或升主动脉瘤导致的主动脉瓣反流者，可优选采用保留主动脉瓣的主动脉根部替换术。

aortic valve replacement was performed through aortic root incision.

行常规主动脉根部切口法行主动脉瓣替换。

aortic stenosis is the inability of the aortic valve to open completely .

主动脉狭窄使得主动脉瓣不能够完全的开放。

if left untreated, a hardened aortic valve can result in heart failure or sudden cardiac death, according to the hospital.

医院表示如果心脏主动脉瓣硬化之后不及时治疗，会导致心脏衰竭或心脏性猝死。

experience in percutaneous aortic valve insertion is progressing rapidly. the proof of concept has been made, the technique is out there, it is feasible and reproducible.

经皮主动脉瓣植入的经验正迅速发展，这个概念已经明确，技术成熟，因此是可行的。

methods and results-transcatheter aortic valve implantation was performed in 168 patients (median age, 84 years) in the setting of severe aortic stenosis and high surgical risk.

方法和结果：168名主动脉严重狭窄并且手术风险较高的患者进行了经导管主动脉瓣植入术（年龄中位数84岁）。

objective to explore the clinical effects of aortic valvuloplasty in treatment of ventricular septal defect(vsd)with moderate or severe aortic valve insufficiency(ai)in children.

目的探讨室间隔缺损（vsd）并中重度主动脉瓣关闭不全（ai）患儿行主动脉瓣成形术的疗效。

this paper reports the clinical characteristics and the treatment of 10 eases of ventricular septal defect (vsd) with aortic valve prolapse and insufficiency.

报告10例室间隔缺损合并主动脉瓣关闭不全与脱垂的临床特点及治疗方法。

objective:to report the experiences of surgical treatment of infective aortic valve endocarditis.

目的：报告感染性主动脉瓣心内膜炎的外科治疗经验。