数字减影血管造影和高频超声诊断颈动脉粥样硬化的对比研究(1)
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【摘要】目的：探讨数字减影血管造影和高频超声诊断颈动脉粥样硬化的优劣。方法：对100例临床怀疑颈动脉硬化的住院患者行数字减影血管造影和颈动脉超声检查，观察颈动脉管腔内径，颈动脉内中膜厚度，有无斑块及其性质、部位，有无狭窄并计算狭窄率。结果：颈动脉斑块发生部位以颈总动脉分叉处最多见。100例患者经高频超声检查有80例患者检出动脉硬化，75例患者检出动脉硬化斑块，其中轻度狭窄45例，中度狭窄26例，重度狭窄4例；100例患者经数字减影血管造影检查有70例患者检出动脉硬化斑块，其中轻度狭窄41例，中度狭窄25例，重度狭窄4例。结论：高频超声诊断颈动脉粥样硬化斑块检出率高于血管造影，联合应用两种技术对颈动脉粥样硬化的病因、诊断、临床治疗及术前评估与术后随访意义重大意义。
【关键词】血管造影术；数字减影；颈动脉；动脉硬化；超声检查
【中图分类号】R543.4 【文献标识码】A 【文章编号】1008-6455(2010)11-0011-02
Comparative study of high frequency artery ultrasound with angiography in patients with carotid atherosclerosis
【Abstract】Objective：To compare the advantages and shortcoming of carotid artery ultrasound with digital subtraction angiography(DSA) of carotid in diagnosis of carotid atherosclerosis.Methods：A total of 100 patients with suspected carotid artery atherosclerosis dangerous factors of carotid arteriosclerosis were examined with carotid artery ultrasound and carotid DSA. The diameter, intima thickness of carotid artery，character and position of plaque, stenosis were observed and the ratio of stenosis was calculated.Results：The most plaques of the bifurcation of carotid artery were found than the others. 100 patients by high frequency ultrasound detection of atherosclerosis in 80 patients, 75 patients were detected in atherosclerotic plaque, including 45 cases of mild stenosis, moderate stenosis in 26 cases, 4 cases of severe stenosis; 100 patients underwent DSA, 70 patients were detected in atherosclerotic plaque, including 41 cases of mild stenosis, moderate stenosis in 25 cases, 4 cases of severe stenosis; Conclusions：high frequency ultrasound has high sensitivity in diagnosis of carotid arteriosclerosis. Either high frequency ultrasound or DSA has advantages and shortcoming. If combinated the two methods, there will be an important significance in diagnosis, clinical treatment, observation before operation and follow up after operation in patients with carotid atherosclerosis.
【Key words】Angiography; digital subtraction; Ultrasound; Carotid arteries; Atherosclerosis
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