孤立性脑桥梗死的临床和影像学特征:脑桥旁正中梗死与脑桥腔隙性梗死的比较

被引:8
作者
陶丽红
张新江
符长标
机构
[1] 扬州市第一人民医院神经内科
关键词
脑梗死; 脑桥; 动脉粥样硬化; 基底动脉; 磁共振成像; 危险因素; 预后;
D O I
暂无
中图分类号
R743.3 [急性脑血管疾病(中风)];
学科分类号
摘要
目的探讨孤立性脑桥梗死的临床和影像学特征以及早期运动障碍进展(progressive motor deficits,PMD)和短期预后的影响因素。方法对初次发病24 h内入院的86例孤立性脑桥梗死患者进行回顾性分析,根据梗死灶最大直径和部位分为脑桥旁正中梗死(paramedian pontine infarction,PPI)和脑桥腔隙性梗死(1acunar pontine infarction,LPI),根据早期PMD情况分为PMD组和无PMD组,根据出院时改良Rankin量表(modifiedRankin Scale,mRS)评分分为转归不良组(mRS评分>2分)和转归良好组(mRS评分≤2分),对不同病例组的临床和影像学特征进行比较。结果 PPI组(n=35)高脂血症(57.14%对33.33%;χ2=4.80,P=0.028)、偏瘫(97.14%对72.55%;χ2=8.718,P=0.003)、基底动脉狭窄(45.71%对17.65%;χ2=7.930,P=0.005)和出院时转归不良(54.29%对31.37%;χ2=4.515,P=0.034)患者构成比以及基线美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分[(6.00±2.39)分对(4.61±3.41)分;t=2.087,P=0.040]均显著性高于LPI组(n=51)。PMD组(n=22)基线舒张压水平[(97.82±15.61)mm Hg对(89.55±12.23)mm Hg,1 mrn Hg=0.133 kPa;t=2.258,P=0.031]以及PPI(63.64%对32.81%;χ2=6.445,P=0.011)和基底动脉狭窄(59.10%对18.75%;χ2=12.922,P=0.000)的构成比均显著性高于无PMD组(n=64)。转归不良组(n=35)基线NIHSS评分[(6.80±2.63)分对(3.73±2.55)分;t=5.426,P=0.000]和空腹血糖水平[(9.40±5.15)mmol/L对(6.56±2.69)mmol/L;t=2.985,P=0.004]以及PPI患者构成比(54.29%对31.37%;χ2=4.515,P=0.034)均显著性高于转归良好组(n=51)。多变量logistic回归分析显示,基底动脉狭窄是PPI发病[优势比(odds ratio,OR)3.801,95%可信区间(confidenceinterval,CI)1.357~10.646;P=0.011]和孤立性脑桥梗死早期PMD(OR 4.571,95%CI1.214~17.214;P=0.025)的独立危险因素,基线NIHSS评分≥5分是其短期转归不良的独立预测因素(OR 4.277,95%CI 1.505~12.151;P=0.006)。结论 PPI主要与基底动脉分支病变有关,基线NIHSS评分≥5分可能是孤立性脑桥梗死短期转归不良的独立预测因素,其早期PMD和短期转归不良均可能与基底动脉病变有关。
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页码:606 / 611
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