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颈椎病致脊髓前动脉综合征 被引量:4

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摘要 目的因颈椎病引起的脊髓前动脉综合征,分析临床表现,探讨其机制和影像学表现特点和治疗。方法本组共25例在典型的脊髓型颈椎病基础上,无外伤等明显诱因,短期内症状明显加重19例,逐渐加重6例。除脊髓型颈椎病的体征外,均出现浅感觉丧失或减退,而深感觉存在"感觉分离"现象。下肢痉挛性瘫痪。其中12例伴有不同程度的肛门、膀胱功能失控。X线片和CT显示颈椎不同程度的退变。其中伴有颈椎管狭窄10例、颈椎不稳12例,颈椎后纵韧带骨化6例。MR检查发现均有椎间盘中央型突出,脊髓前中央受压迫。脊髓多有不同程度的萎缩。大部分患者在脊髓前2/3T1WI信号稍低或无明显变化,T2WI高信号或稍高信号,有6例T1WI和T2WI信号均无改变。在缓慢起病的患者中,有3例脊髓前2/3囊性变。前路减压24例,后路减压1例,采用JOA评分评估疗效。结果平均随访16个月,术后疗效优(脊髓功能恢复率≥75%)11例,良(50%~74%)7例,一般(25%~49%)6例,差(≤24%)1例。结论在无明显诱引下,颈椎病、椎间盘中央型突出可引起脊髓前动脉综合征。"感觉分离"是诊断此疾病的基础,同时结合病史、临床症状和其他体征及影像学检查给予确诊。及时减压可取得较佳的疗效。
作者 巫蓉忠
出处 《四川医学》 CAS 2010年第5期667-668,共2页 Sichuan Medical Journal
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