彩色多普勒超声对主动脉夹层的诊断价值(附48例分析)

Diagnostic value of Color Doppler ultrasonography in diagnosing aortic dissecting:Report of 48 cases

目的探讨彩色多普勒超声(简称彩超)对主动脉夹层的诊断价值。方法应用彩超测量主动脉内径,观察主动脉及其分支内膜分离的部位和范围,鉴别真假腔。观察主动脉瓣返流情况,评价左室功能,并与MRI、多层螺旋CT血管成像(MSCTA)进行比较分析。结果彩超、MRI及MSCTA诊断主动脉夹层的准确率分别为65.8%,89.7%及90.0%。彩超能更好地检出主动脉瓣关闭不全、左室功能及心包积液情况。结论彩超检查能正确评价本病受累血管,是诊断主动脉夹层的一种较为可靠的方法。

Objective To explore the diagnostic value of color doppler ultrasonography(CDUS) in aortic dissection.Methods The diameter of aorta was measured,the location and extent of separation of intimae in aorta and its braches were observed,and true lumen was indentified from false lumen by CDUS.To observe aortic regurgitation and evaluate the left ventricular function,and then compare analysis with the result of MRI and MSCTA.Results The accuracy in diagnosis of CDUS,MR and MSCTA reached 65.8%,89.7%,90% respectively.but CDUS could better show aortic regurgitation,the left ventricular function and pericardial effusion.Conclusion CDUS can well evaluate the involved vessels,and it is a reliable modality of imaging examinations in diagnosing aortic dissections.