| 凌晨,李坤成,华扬,王萍,李慎茂.颈内动脉狭窄及闭塞的超声影像学评价[J].中国医学影像技术,2002,18(7):647~650 |
| 颈内动脉狭窄及闭塞的超声影像学评价 |
| Assessment of Ultratomography of Internal Carotid Artery Stenosis and Occlusion |
| 投稿时间：2002-02-24 |
| DOI： |
| 中文关键词: 彩色多普勒超声 经颅多普勒超声 颈内动脉闭塞 颈内动脉狭窄 |
| 英文关键词: Color Doppler imaging Transcranial Doppler Internal carotid artery occlusion Internal carotid artery stenosis |
| 基金项目: |
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| 中文摘要: |
| 目的 彩超(CDI)、经颅多普勒超声(TCD)对颈内动脉(ICA)狭窄(≥70%)或闭塞诊断及颅内外血流动力学与DSA比较。方法 经全脑数字减影血管造影(DSA)检查证实的ICA狭窄或闭塞患者86例行CDI和TCD常规检测, 确定ICA狭窄或闭塞的形态学和颅内血流动力学及侧支循环的开放情况,与DSA对比分析。结果 ①与DSA比较颅外ICA检测结果的敏感性为98.4%,特异性96.0%,准确率97.6%;②与DSA比较TCD对前交通动脉(ACOA)判断的敏感性98.4%,特异性95.0%;后交通动脉(PCOA)敏感性97.5%,特异性100%;眼动脉(OA)开放的敏感性86.9%,特异性71.4%;③患侧Vmca(62.7±24.3)cm/s较对侧 (120.3±45.4)cm/s明显减低(P＜0.01);患侧大脑中动脉(MCA)的PI值(0.76±0.21)较对侧(1.07±0.21) 明显减低(P＜0.01)。结论 CDI和TCD的联合应用为重度ICA狭窄或闭塞的诊断及颅内侧支循环开放情况提供一种可靠的无创性综合检测分析方法。 |
| 英文摘要: |
| Objective To compare the hemodynamic changes of color Doppler imaging (CDI) and transcranial Doppler (TCD) with digital subtraction angiography (DSA) in patients with severe stenosis (≥70%) or occlusion of internal carotid artery (ICA).Methods Eighty-six cases of ICA stenosis or occlusion confirmed by DSA were examined by using CDI and TCD, and hemodynamic changes were evaluated.Results ①Compared with DSA,CDI and TCD in detecting stenosis or occlusion ICA, the overall accuracy (OA) was 97.6%, the sensitivity (SEN) 98.4%, the specificity (SPE) 96.0%. ②Compared with DSA, ACOA detection in TCD had SEN of 98.4% and SPE of 95.0%; PCOA detection in TCD had SEN of 97.5% and SPE of 100%;directional changes in OA had SEN of 96.9% and SPE of 71.4%. ③Vmca on the occlusion sides was lower than the contralateral sides (62.7±24.3)cm/s vs (120.3±45.4)cm/s, and the same with PI. Conclusion The combination of CDI and TCD can offer us a noninvasive quantifications of the inner and outer cerebral blood flow and assessments of collateral supply of ICA stenosis or occlusion. |
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