目的探讨腔内修复主动脉弓动脉瘤或夹层动脉瘤的疗效。
Objective To evaluate the efficacy of endovascular repair (EVR) for aneurysms or dissection aneurysms of the aortic arch.
目的探讨脑栓塞患者的主动脉弓动脉粥样硬化(AAA)严重程度及其有关的危险因素。
Objective to investigate the severity and relative risk factors of aortic arch atherosclerosis (AAA) in patients with cerebral embolism.
研究背景：主动脉弓处动脉粥样斑块是缺血性卒中的危险因素。
Background: Atherosclerotic plaques in the aortic arch are a risk factor for ischemic stroke.
病例14。本例中，两大血管血流方向正常，但是肺动脉较主动脉弓粗(图19)。
Case 14 In this case, both vessels have antegrade flow, but now the pulmonary artery is larger then the aorta (Figure 19).
结论颈、股动脉斑块及主动脉弓钙化对冠心病有一定的预测价值。
Conclusions Periphery artery atherosclerosis and aortic arch calcification have great values in predicting CAD.
图11。正常动脉导管和主动脉弓汇合切面。
Figure 11. Normal confluence of the ductal and aortic arches.
血管造影显示主动脉弓和大动脉。
This angiogram demonstrates the aortic arch and great vessels.
目的总结并讨论我科15例升主动脉和主动脉弓替换手术的临床体会。
Objective To summarize the surgical experience of the ascending aortic root and aortic arch replacement with 15 cases report.
方法：9例志愿者行主动脉弓同层动态增强扫描，利用获得的主动脉弓时间-密度曲线（TDC），寻求触发技术的理论阈值。
Methods:Dynamic CT scan was performed in 9 volunteers, measuring the CT value of the same plane of aortic arch and the theoretical threshold was obtained by the time density curve(TDC).
病例10。本病例中，两血管同为前向血流，且肺动脉内径小于主动脉弓(图15)。
Case 10 in this case, both vessels have antegrade flow, and the pulmonary artery is thinner than the aorta (Figure 15).
结论：SCTA及血管仿真内镜作为一种无创性血管造影技术，对诊断主动脉弓缩窄和主动脉弓离断有重要价值。
Conclusion: Being a non invasive angiographic technique, SCTA and CTVE are valuable for the diagnosis of the aortic coarctation and interruption of aortic arch.
主要观察指标：主动脉弓、颈内动脉及椎基底动脉系统血管结构异常的类型、分布及比例。
MAIN OUTCOME MEASURES: Type, distribution and proportion of vessel structural abnormity of aortic arch, carotid artery and vertebrobasilar system.
肺主动脉是在胎儿时期时由第六对主动脉弓衍生而来。
The main pulmonary arteries are derived from the sixth aortic arch during intrauterine development.
其中主动脉缩窄、校正型大血管错位、右位主动脉弓及主动脉弓离断分别为3、3、4和1例。
Coarctation of aorta, corrected transposition of the great vessels, right aortic arch and aortic arch interruption were seen in 3, 3, 4 and 1 cases, respectively.
确诊后做主动脉弓及降主动脉人工血管吻合术。
Aortic continuity was achieved by surgical anastomosis of artificial vessel.
高剂量染毒组动物主动脉弓、心肌、肝和大脑皮质透射电镜观察结果显示：主动脉弓内皮细胞出现肿胀、细胞核变形、部分核染色质溶解、染色质边聚现象；
The endothelial cells of aortic arch were swelling, the nuclei of which was twisted, a part of chromatin was dissolved and migrated to the cell edge.
结果：以左肺动脉受肿块压迫的表现，间接提示左喉返神经压迫征，分别来自主动脉弓下肿大淋巴结3例；
Result: Ultrasonic indirect sign of left larynx return nerve constricted must be depend on sign of left pulmonary constricted by lymph node mass from below aortic arch 3 cases;
主动脉弓近端斑块较主动脉弓远端斑块CIS复发率高；
Proximal aortic arch plaques compared to distal aortic arch plaques by a high CIS recurrence rate;
主动脉弓近端斑块较主动脉弓远端斑块CIS复发率高；
Proximal aortic arch plaques compared to distal aortic arch plaques by a high CIS recurrence rate;
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