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额叶癫痫症候学与致痫灶定侧的关系探讨 被引量:1

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摘要 目的系统地分析额叶癫痫(FLE)患者症候学对致痫灶定位的价值。方法本组对47例药物难治性FLE的449次不同类型抽搐症候进行了比较分析,观察其抽搐发作症候对定侧价值的阳性预后值(PPV)。其中,31例致痫灶位于左侧,16例位于右侧。抽搐症候以长程视频脑电记录为准。结果头部转动27例(占57.4%,P<0.001;PPV=92.6%,P<0.001),发生76次抽搐(占16.9%,PPV=72.4%,P<0.001);一侧阵挛26例(占55.3%,PPV=80.8%,P<0.01),发生57次抽搐(占12.7%,PPV=84.2%,P<0.001);一侧失张力姿势12例(占25.5%,PPV=66.7%,P>0.5),发生79次抽搐(占17.6%,PPV=81.0%,P=0.001);击剑姿势15例(占31.9%,PPV=73.3%,P=0.127),发生26次抽搐(占5.8%,PPV=76.9%,P<0.01);表情怪异12例(占25.5%,PPV=100%,P<0.01),发生23次抽搐(占5.1%,PPV=100%,P<0.001),以上症候的出现定位对致痫灶于对侧额叶具有显著意义。以下症状出现对于致痫灶定位在同侧额叶有显著意义,如非对称性结束9例(占19.1%,PPV=65.6%,P=0.428),发生15次抽搐(占3.3%,PPV=86.7%,P<0.05)。单纯发作性语言障碍多见于左侧半球发作,本组有18例(占38.3%,PPV=71%,P<0.05),发生86次抽搐(占19.2%,PPV=89.9%,P<0.001)。其他症候如:"4"字征、一侧手自动症、早期头旋转、发作性拭鼻征及一侧瞬目等症候无定位价值。结论对于额叶难治性癫痫来说,临床抽搐症候的正确分析对致痫灶定位的准确率可达80%以上。
出处 《中华临床医师杂志(电子版)》 CAS 2011年第17期5125-5128,共4页 Chinese Journal of Clinicians(Electronic Edition)
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