NIHSS评分对急性缺血性卒中患者大血管闭塞的预测价值

被引:35
作者
范文平 [1 ]
刘文华 [1 ]
聂时南 [2 ]
马敏敏 [1 ]
韩云飞 [1 ]
代齐良 [1 ]
熊云云 [1 ]
肖露露 [1 ]
孙文 [1 ]
李华 [1 ]
李敏 [1 ]
殷勤 [1 ]
樊小兵 [1 ]
朱武生 [1 ]
刘新峰 [1 ]
机构
[1] 南京大学医学院临床学院,南京军区南京总医院神经内科
[2] 南京军区南京总医院急诊科
关键词
卒中; 脑缺血; 动脉闭塞性疾病; 神经系统检查; 试验预期值; 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)];
学科分类号
1002 ;
摘要
目的探讨基线美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分对大血管闭塞的预测价值。方法利用"南京卒中注册系统",回顾性分析发病24 h内入院且需行急诊数字减影血管造影(digital subtraction angiography,DSA)检查或介入治疗的急性缺血性卒中患者。在患者就诊即刻进行NIHSS评分,根据DSA结果分为大血管闭塞组与非大血管闭塞组。大血管闭塞定义为颈内动脉、大脑中动脉M1/M2段、椎动脉V4段或基底动脉存在血管闭塞,非大血管闭塞定义为未见血管闭塞或血管闭塞存在于大脑中动脉M3/M4段、大脑前动脉或大脑后动脉。利用受试者工作特征(receiver operator characteristic,ROC)曲线和曲线下面积(c统计量)评估NIHSS评分对大血管闭塞的预测能力,计算灵敏度、特异度、阳性预测值及阴性预测值。采用多变量logistic回归分析筛选出判别大血管闭塞的独立危险因素。结果共纳入100例急性缺血性卒中患者,其中前循环卒中63例,后循环卒中37例。NIHSS评分预测全部患者大血管闭塞的ROC曲线下面积(c统计量)为0.734[95%可信区间(confidence interval,CI)0.621~0.848],预测前循环与后循环大血管闭塞分别为0.817(95%CI0.699~0.936)和0.683(95%CI0.505~0.861)。NIHSS评分判断全部患者大血管闭塞的最佳截断值为13分(灵敏度为0.776,特异度为0.697,阳性预测值为0.839,阴性预测值为0.605)。多变量logistic回归分析显示,"意识水平提问"[优势比(odds ratio,OR)4.673,95%CI1.853~11.786;P=0.001]和"凝视"(OR 3.514,95%CI1.271~9.716;P=0.015)是大血管闭塞的独立危险因素。结论基线NIHSS评分对急性缺血性卒中患者的大血管闭塞具有一定的预测价值,尤其对于前循环大血管闭塞的预测价值较高。在NIHSS评分项目中,"意识水平提问"和"凝视"是判别大血管闭塞的独立危险因素。
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页码:842 / 847
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