[1]高红华,文佳媚.大脑中动脉狭窄的磁共振血管成像与数字减影血管造影的对照研究[J].介入放射学杂志,2011,(07):573.
　GAO Hong-hua,WEM Jia-mei..Comparison of magnetic resonance angiography to digital subtraction angiography for diagnosis of MCA stenosis[J].journal interventional radiology,2011,(07):573.
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大脑中动脉狭窄的磁共振血管成像与数字减影血管造影的对照研究()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2011年07期
页码:
573
栏目:
影像技术
出版日期:
2011-07-30

文章信息/Info

Title:
Comparison of magnetic resonance angiography to digital subtraction angiography for diagnosis of MCA stenosis
作者:
高红华;  文佳媚
110032  沈阳 中国医科大学附属第四医院神经内科
Author(s):
GAO Hong-hua;  WEM Jia-mei.
Department of Neurology, the Fourth Affiliated Hospital, China Medical University, Shenyang 110032, China
关键词:
大脑中动脉;  数字减影血管造影;  磁共振血管成像
分类号:
Ｒ４４５
文献标志码:
Ａ
摘要:
目的 探讨磁共振血管成像（ＭＲＡ）在大脑中动脉狭窄或闭塞病变中的诊断价值。方法　　　３５例缺血性脑血管病患者先后行ＭＲＡ及ＤＳＡ检查，以ＤＳＡ为金标准，分析ＭＲＡ对不同程度大脑中动脉狭窄的诊断价值。结果　　　３５例患者７０支大脑中动脉中，ＭＲＡ显示正常血管２８支，病变血管４２支，病变部位４７处，ＭＲＡ与ＤＳＡ诊断符合５３处，符合率７０．７％，诊断偏高２２处。ＭＲＡ诊断大脑中动脉轻度狭窄的灵敏度、特异度、诊断符合率、阳性预测值、阴性预测值均为１００％，阳性似然比∝，阴性似然比０；中度狭窄时各值分别为１００％、７１．４％、７３．１％、１７．６％、１００％、３．５、０；重度狭窄时各值分别为１００％、８１．４％、８２％、１５．４％、１００％、５．３８、０；闭塞病变时各值分别为１００％、９６．８％、９７．３％、８６．７％、１００％、３１．２５、０。ＭＲＡ对大脑中动脉轻、中、重度狭窄及闭塞病变诊断的Ｋａｐｐａ值分别为１．０、０．２２４、０．２２２、０．９１２。结论　　　与ＤＳＡ相比，ＭＲＡ对不同程度大脑中动脉狭窄具有不同的诊断价值。对轻度狭窄诊断效度最高，适于筛查；对于中、重度狭窄诊断效度降低，应进一步做ＤＳＡ明确以决定治疗策略；对于闭塞病变诊断符合率虽高，但也应慎重对待。

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备注/Memo

备注/Memo:
收稿日期：２０１１０１２９
更新日期/Last Update: 2011-07-30