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颈动脉颅外段狭窄患者发生脑卒中的超声诊断及相关性探讨 被引量:8

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摘要 目的探讨颈动脉颅外段狭窄和狭窄程度与脑梗死临床类型的关系,判断超声在脑血管病诊断中的价值。方法106例脑梗死患者颈动脉颅外段行二维彩色多普勒超声检查观察血管解剖形态,内膜情况,有无斑块形成及斑块大小,管腔是否狭窄和狭窄程度。所有患者经头颅CT或MRI证实,按头颅CT或MRI结果分为单发和多发脑梗死组,按临床发病情况分为首发和复发脑梗死组,按病情程度分为轻型、中型和重型脑梗死组。结果①多发性脑梗死组颈动脉出现颅外段狭窄的比例(56/61)高于单发性脑梗死组(32/45),差异有统计学意义(χ2=7.8651,P<0.05),多发性脑梗死组颈动脉颅外段狭窄的程度严重于单发性脑梗死组(χ2=4.4103,P=0.04<0.05)。②复发性脑梗死组颈动脉出现颅外段狭窄的比例高于首发性脑梗死组(χ2=9.6317,P=0.002<0.01),复发性脑梗死组颈动脉颅外段狭窄的严重程度高于首发脑梗死组(χ2=4.5955,P=0.0320<0.05)。③中、重型脑梗死组颈动脉出现颅外段狭窄的比例略高于轻型脑梗死组,中、重型脑梗死组颈动脉颅外段狭窄的程度略严重于轻型脑梗死组。结论①多发脑梗死和复发脑梗死患者颈动脉颅外段狭窄发生率高,狭窄程度严重。②颈动脉颅外段狭窄及狭窄程度与多发性脑梗死和复发性脑梗死密切相关。
作者 司娟娟
出处 《中国实用神经疾病杂志》 2008年第3期89-90,共2页 Chinese Journal of Practical Nervous Diseases
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