缺血性脑小血管病患者轻度认知障碍的危险因素和临床特征:回顾性病例系列研究

被引:24
作者
樊亚超
王海峰
王新
孔伟
邢成名
机构
[1] 青岛大学医学院附属青岛市立医院东院神经内科
关键词
卒中; 脑梗死; 脑血管障碍; 脑白质疏松; 认知障碍; 神经心理学测验; 危险因素;
D O I
暂无
中图分类号
R743.3 [急性脑血管疾病(中风)]; R749.1 [脑器质性精神障碍];
学科分类号
100204 [神经病学];
摘要
目的探讨缺血性脑小血管病(small vessel disease,SVD)患者轻度认知障碍(mildcognitive impairment,MCI)的危险因素和临床特征,为早期诊断和早期干预提供依据。方法应用蒙特利尔认知评估量表(Montreal Cognitive Assessment,MoCA)筛查MCI,收集相关危险因素和其他临床资料,并进行其他神经心理学测试。根据MRI表现将SVD分为脑白质疏松(leukoaraiosis,LA)、腔隙性梗死(lacunar infarction,LI)和LA与LI并存(LA-LI)3种类型。结果共纳入143例SVD患者,其中MCI组68例,非MCI组75例。单变量分析显示,MCI组年龄、性别构成比与非MCI组无显著差异,但MCI组受教育年限显著短于非MCI组,而高血压(69.11%对45.33%;x2=8.215,P=0.004)、糖尿病(57.35%对40.00%;x2=4.301,P=0.038)、高脂血症(48.53%对24.00%;x2=9.352,P=0.002)、颈动脉粥样硬化(41.18%对21.33%;x2=6.592,P=0.010)和吸烟(32.35%对14.67%;x2=6.285,P=0.012)的构成比以及尿酸[(351.81±83.21)mmol/L对(323.03±80.43)mmol/L;t=2.102,P=0.037]和总胆固醇[(5.26±1.26)mmol/L对(4.56±1.23)mmol/L;t=3.326,P=0.001]水平显著高于非MCI组。多变量logistic回归分析显示,高血压[优势比(odds ratio,OR)2.227,95%可信区间(confidence interval,CI)1.001~4.954;P=0.026]、糖尿病(OR 2.056,95%CI 1.862~4.937;P=0.046)、高脂血症(OR 2.528,95%CI 1.361~5.770;P=0.028)、颈动脉粥样硬化(OR 2.658,95%CI 1.110~6.367;P=0.029)、吸烟(OR 2.566,95%CI 1.017~6.474;P=0.046)和受教育年限(OR 0.825,95%CI 0.745~0.914;P=0.000)是SVD患者出现MCI的独立危险因素。MCI组MoCA总分[(18.44±5.60)分对(27.09±1.37)分;t=-12.422,P=0.000]以及视空间/执行能力[(2.65±1.39)分对(4.49±0.74)分;t=-9.762,P=0.000]、注意力[(4.48±1.70)分对(5.89±0.31)分;t=6.706,P=0.000]、语言[(1.69±0.80)分对(2.41±0.95)分;t=4.893,P=0.018]、抽象能力[(0.85±0.69)分对(1.71±0.53)分;t=-7.081,P=0.000]、延迟回忆[(1.29±1.01)分对(4.04±0.99)分;t=13.824,P=0.000]等亚项得分均显著低于非MCI组,而命名和定向力得分无显著差异。在MCI组中,LA-LI组MoCA总分[(17.04±6.15)分对(21.04±3.98)分;P<0.05]以及视空间/执行功能[(1.68±1.16)分对(3.24±1.13)分;P<0.05]、注意力[(3.92±2.03)分对(5.19±0.87)分;P<0.05]、延迟回忆[(1.35±1.01)分对(1.86±1.58)分;P<0.05]等亚项得分显著低于LI组;LA组MoCA总分[(18.18±5.31)分对(21.04±3.98)分;P<0.05]以及视空间/执行功能[(2.56±1.78)分对(3.24±1.13)分;P<0.05]、语言[(0.64±0.23)分对(1.24±0.83)分;P<0.05]、延迟回忆[(0.69±0.58)分对(1.86±1.58)分;P<0.01]等亚项得分显著低于LI组;LA-LI组视空间/执行功能评分显著低于LA组[(1.68±1.16)分对(2.56±1.78)分;P<0.05]和LI组[(1.68±1.16)分对(3.24±1.13)分;P<0.05]。结论高血压、糖尿病、高脂血症、颈动脉粥样硬化、吸烟和受教育水平较低是SVD患者MCI的独立危险因素。SVD后MCI的认知损害表现为包括视空间/执行功能、延迟回忆在内的多个认知域损害,不同类型脑小血管病之间的认知损害有所不同。
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