目的分析和观察先天性主动脉弓离断畸形的超声心动图特征。
Purpose To investigate the echocardiographic features of congenital abesnce of aortic arch.
目的：探讨主动脉弓离断（IAA）的血流动力学变化与临床及影像学表现的关系。
Objective:To study the hemodynamic changes of interrupted aortic arch (IAA) and the relationship between the hemodynamic changes, the clinical manifestations and radiologic findings of IAA.
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.
方法回顾性分析19例各型主动脉弓离断患者的超声特点，并与手术或CTA、MRA结果相对照。
Methods the echocardiographic characteristics of 19 patients with IAA were analyzed retrospectively, and the results were compared with that of MRA, CTA and surgical operation.
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.
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.
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