主动脉弓中断的超声诊断技术探讨

Echocardiographic technical research in diagnosis of interrupted aortic arch.

目的 :探讨主动脉弓中断 (IAA)患者的超声心动图表现 ,提高诊断水平 ,减少误诊漏诊。方法 :采用胸骨上窝、胸前各标准切面与非标准切面观察主动脉弓降部、心内结构及大血管之间的关系。结果 :胸骨上窝切面可见主动脉弓部与降主动脉失去连续 ,成为盲端 ,降主动脉通过未闭的动脉导管与肺动脉相连。适当地改进探查技术可显示中断的部位与头臂动脉的关系进而分型。IAA的心内畸形亦具有一定特点。结论 :( 1)超声心动图对于诊断IAA是一种有效、无创、经济的检查手段。 ( 2 )对于先心病人 ,尤其对于婴幼儿童 ,应常规检查胸骨上窝切面。 ( 3)超声工作者需要增加对本病的理论知识及改进胸骨上窝操作技术。

Objective:To research the echocardiography imaging of interrupted aortic arch(IAA).Methods:Suprasternal views and precardial views were used to watch the aortic arch and the construction of cardium.Result:Suprasternal views:the descending aorta didn't continue to the aortic arch but to the pulmonary aorta by patent ductus.We could show their anatomical types by proper technique.It has special feature in cardio deformation.Conclusion:(1)Echocardiography is useful,harmless and economic to diagnose IAA.(2)The suprasternal views are necessary to patients with congenital heart diseases,especialy to infant.(3)We must increase our relevant theoretic knowledge and raise our operative skill in suprasternal views to diagnosis this disease.