作者对磁共振血管造影(MRA)和双功超声检查(DU)在颈动脉分叉部内膜切除术前的应用作了前瞻性研究,旨在确定两者的诊断准确性是否足以替代颈动脉对比造影(CA)。 对象为怀疑颈动脉分叉部粥样硬化而作CA的病人88例,其中171支动脉获满意的CA图像,163支获 The authors prospectively studied the use of magnetic resonance angiography (MRA) and duplex ultrasonography (DU) at the carotid bifurcation before endometrial resection in order to determine whether the diagnostic accuracy of both is sufficient to replace the carotid artery Contrast imaging (CA). Subjects were suspected of carotid bifurcation of atherosclerosis in CA patients 88 cases, of which 171 were satisfactory CA images of the artery, 163 were