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前庭阵发症血管神经压迫的MRI特点分析 被引量:6

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摘要 目的探讨前庭阵发症血管神经压迫的MRI特点。方法应用三维-磁共振血管成像技术对36例前庭阵发症(vestibular paroxysmia,VP)患者(VP组)及36例其他眩晕病患者(对照组)进行扫描,进一步比较分析血管神经压迫(Neurovascular cross-compression,NVCC)的发生率、压迫类型及血管来源。结果 VP组45耳(62.5%)存在NVCC现象,其中39耳(50.0%)存在血管接触,9耳(12.5%)推移关系;对照组21耳(29.1%)存在NVCC现象,均为接触关系。2组比较差异有统计学意义(χ2=16.112,P<0.001)。VP组中Ⅰ型22耳(48.9%),Ⅱ型5耳(11.1%),Ⅲ型16耳(35.6%),Ⅳ型2耳(4.4%);对照组Ⅰ型10耳(47.6%),Ⅱ型3耳(14.3%),Ⅲ型8耳(38.1%),无Ⅳ型。VP组与对照组分型差异无统计学意义(χ2=1.083,P=0.781)。VP组中34耳(72.3%)责任血管为小脑前下动脉,9耳(19.1%)为小脑后下动脉,4耳(8.5%)为椎动脉。对照组中12耳(57.1%)责任血管为小脑前下动脉,8耳(38.1%)为小脑后下动脉,1耳(4.7%)为椎动脉。VP组与对照组压迫责任血管来源差异无统计学意义(χ2=2.561,P=0.278)。结论 NVCC在VP患者中发生率高,常见于Ⅰ、Ⅲ型,以小脑前下动脉为压迫血管多见。
出处 《中国实用神经疾病杂志》 2015年第8期60-62,共3页 Chinese Journal of Practical Nervous Diseases
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参考文献12

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