主动脉的

On this plane, the root aorta, the aorta valves, the left and right cardiac atria, the efferent tract of the left ventricle, the left atrioventricular orifice, the bicuspid valve and the right ventricle could be observed.

在该层面上可观察到主动脉根部及主动脉瓣，左、右心房，左室流出道及左房室口和二尖瓣，右心室等结构，是观察主动脉瓣和二尖瓣的理想层面。

The answer to the questions just posed is two fold: aortic stenosis in 2009 is the result of congenital bicuspid aortic valves and atherosclerotic/calcific aortic valves.

这个问题的答案有两个方面：2009年主动脉狭窄常见于先天性二叶主动脉瓣及动脉粥样硬化/钙化性主动脉瓣病。

Part 1: Correlation of aortic distensibility with concentric remodeling of left ventricle in patients with primary hypertensionObjectives: To explore the changes of aortic distensibility and its influencing factors and its relation with the concentric remodeling of left ventricle in patients with primary hypertension.

第一部分：高血压病患者主动脉扩张性改变与左室向心性重构关系探讨目的：通过观察高血压病患者主动脉扩张性的改变及其相关因素，探讨其主动脉扩张性改变与左室肥厚和向心性重构之间的关系。

The purpose of the present investigation is to evaluate the distensibility of both ascending and descending aorta in different type of aortic dissection by comprehensive transthoracic echocardiography and transesophageal echocardiography.

本研究在上一研究的基础上，联合应用常规经胸超声和经食管超声，对不同类型主动脉夹层(DeBakeyⅠ型夹层12例及Ⅲ型夹层11例)之不同部位主动脉扩张性进行更进一步深入对比研究，试图揭示主动脉夹层血管弹性异常的根本原因。

Considering the underlying wall deficiency and the homodynamic stress, the Robiesek operation should be an optimal choice to those patients with a mild to moderate dilated ascending aorta caused by aortic valve lesion.

由于主动脉壁本身存在病理改变和血液动力学冲击，为防止远期升主动脉进一步瘤变或夹层形成，对以主动脉瓣病变为主的轻、中度主动脉根部扩张采用Robicsek术更为合理。

Methods: Rabbits whose allogenic thoracic aorta was cross-linked by dye-mediated photo-oxidation (DMP, n=6) were in the DMP group, rabbits whose allogenic thoracic aorta was cross-linked by glutaraldehyde (GA, n=6) were in the GA group, and rabbits whose homogenic abdominal aorta was orthotropically transplanted (OT, n=6) were in the OT group. Then the donor arteries were transplanted in the position of abdominal arteries of rabbits.

以经染料介导光氧化反应处理的家兔胸主动脉为研究对象，以戊二醛处理的家兔胸主动脉以及自体腹主动脉原位移植作为对照，建立家兔胸-腹主动脉移植模型；实验动物观察饲养1个月后，取出标本，通过原子吸收光谱法测定血管组织钙含量，扫描电镜观察血管壁钙化情况。

Methods Rabbits whose allogenic thoracic aorta was cross-linked by dye-mediated photo-oxidation (DMP, n=6) were in the DMP group, rabbits whose allogenic thoracic aorta was cross-linked by glutaraldehyde (GA, n=6) were in the GA group, and rabbits whose homogenic abdominal aorta was orthotropically transplanted (OT, n=6) were in the OT group. Then the donor arteries were transplanted into the position of the abdominal arteries of rabbits.

以经染料介导光氧化反应处理的家兔胸主动脉为研究对象，以戊二醛处理的家兔胸主动脉以及自体腹主动脉原位移植作为对照，建立家兔胸－腹主动脉移植模型；实验动物观察饲养1个月后，取出标本，通过原子吸收光谱法测定血管组织钙含量，扫描电镜观察血管壁钙化情况。

Isthmal narrowing and enlargement of the ascending and descending aorta are demonstrated.

一晚期妊娠胎儿的主动脉缩窄合并充血性心力衰竭，可见环形狭窄和升主动脉和降主动脉增宽。

Methods: From December 2002 to June 2006, 30 patients with a moderately dilated ascending aorta [mean diameter,(46.7±3.1)mm] underwent concomitant aortic valve replacement or repairing and reinforced aortoplasty with a well-tailored Dacron vascular graft. Follow-up was obtained on all patients with ultrasonic cardiography or computed tomography scan and was (18.0±10.5) months.

对2002年10月至2006年6月间采用主动脉置换或成形、升主动脉缩小成形、升主和根部背心式人工血管包裹术治疗的30例主动脉瓣病变和升主动脉扩张的临床病例进行回顾性分析和随访，平均随访时间(18±10.5)个月。

And rheumatic valves also accounted for 70 cases (88.5%) of aortic stenosis plus insufficiency. The rheumatic valves was decreased dramatically as the cause of the aortic valve disease, aortic root dilation and degenerative valves increased significantly, while others had no significant changes.

随着社会进步和人口老龄化，风湿性病因所占比例大幅下降，主动脉根部扩张导致的主动脉关闭不全有较大幅度的上升，退行性主动脉瓣有所上升，二叶式主动脉瓣、感染性心内膜炎所致瓣膜损害变化不明显。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。