颈内动脉狭窄的检测。二维磁共振血管造影、双功扫描和动脉造影的比较。
Detection of internal carotid artery stenosis. Comparison of 2D-MR angiography, duplex scanning, and arteriography.
作者信息
Spartera C, Morettini G, Marino G, Marsili L, Di Cesare E, La Barbera G, Petrassi C, Ventura M
机构信息
Department of Vascular Surgery, University of L'Aquila, Italy.
出版信息
J Cardiovasc Surg (Torino). 1993 Jun;34(3):209-13.
The purpose of this study was to compare digital subtraction angiography (DSA) and duplex scanning with 2D-Magnetic Resonance Angiography (MRA) to evaluate the accuracy of MRA in determining carotid stenosis. All three methods were applied to 101 carotid arteries in 51 patients. Diameter stenosis of the internal carotid artery was categorized as follows: 0 to 39%, 40% to 59%, 60% to 94%, 95% to 99%, and occlusion (100%). All images were read in blind fashion by different physicians. DSA is still considered the "gold standard" investigation. In 78 arteries the degree of stenosis according to MRA correlated exactly with that of conventional angiography. In the remaining 23, carotid arteries MRA upgraded the stenosis in 13 and downgraded it in 8. The principal problem is the overestimation of the lesion, which was particularly revealing in lesions of more than 60%. Furthermore to date MRA is not able to evaluate the presence of ulceration. For this reason 2D-MRA alone is not a reliable method for evaluating the presence of carotid artery stenosis.
本研究的目的是比较数字减影血管造影（DSA）、双功扫描与二维磁共振血管造影（MRA），以评估MRA在确定颈动脉狭窄方面的准确性。这三种方法均应用于51例患者的101条颈动脉。颈内动脉直径狭窄程度分类如下：0%至39%、40%至59%、60%至94%、95%至99%以及闭塞（100%）。所有图像均由不同的医生以盲法读取。DSA仍被视为“金标准”检查。在78条动脉中，MRA显示的狭窄程度与传统血管造影完全相关。在其余23条颈动脉中，MRA将13条动脉的狭窄程度上调，8条下调。主要问题是对病变的高估，这在超过60%的病变中尤为明显。此外，迄今为止MRA无法评估溃疡的存在。因此，单独使用二维MRA不是评估颈动脉狭窄存在与否的可靠方法。
Zotero 插件