ABCD3-Ⅰ评分预测短暂性脑缺血发作后早期卒中风险

被引:21
作者
张晓丹
秦伟
胡文立
机构
[1] 首都医科大学附属北京朝阳医院神经内科
关键词
脑缺血发作,短暂性; 卒中; 危险性评估; ABCD3-Ⅰ评分; ABCD2评分;
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
100204 [神经病学];
摘要
目的探讨采用ABCD3-I评分法预测短暂性脑缺血发作早期进展为卒中的风险。方法收集在我院治疗的186例以短暂性脑缺血发作(transient ischemic attack,TIA)为首发症状的患者,均于发病后48小时内行常规弥散加权成像(diffusion weighted imaging,DWI)、磁共振成像(magnetic resonance imaging,MRI)、磁共振血管成像(magnetic resonance angiography,MRA)检查,按照ABCD3-I评分法分为低危组、中危组和高危组,观察TIA后7天、90天内各组卒中的发生率,并比较ABCD2评分法、ABCD3评分法、ABCD3-I评分法这3种评分方法的阳性预测值。采用logistic回归模型预测TIA后早期进展为卒中的危险因素。结果 ABCD3-I评分的低危组(0~3分)、中危组(4~7分)、高危组(8~13分)7天内卒中发生率分别为0、3.0%、33.8%,90天内卒中发生率分别为0、6.0%、52.3%。与低危组、中危组分别比较,高危组TIA后7天、90天内卒中发生率明显升高(P均<0.01)。与低危组比较,中危组90天内卒中发生率升高(P<0.01),两组7天内卒中发生率差异无统计学意义(P>0.05)。Logistic回归模型显示:双重TIA患者90天内预测卒中风险比值比(odds ratio,OR)为4.307,95%可信区间(credibility interval,CI)2.317~8.005,P<0.01;DWI检查出现高信号患者90天内预测卒中风险OR为1.102,95%CI 27.719~223.344,P<0.01;同侧颈动脉中重度狭窄患者90天内预测卒中风险OR为7.800,95%CI2.075~29.319,P=0.005。预测7天内卒中发生风险时,ABCD2评分法、ABCD3评分法、ABCD3-I评分法的曲线下面积(area under thecurve,AUC)分别为0.627、0.842、0.900;阳性预测值分别为25.3%、68.4%、81%。预测90天卒中发生风险:ABCD2评分法、ABCD3评分法、ABCD3-I评分法的AUC分别为0.608、0.796、0.860;阳性预测值分别为21.5%、59.1%、73%。结论 ABCD3-I评分≥8分时(高危组),TIA后7天及90天内卒中发生率均升高,ABCD3-I评分≥4分时(中高危组),TIA后90天内卒中发生率升高。双重TIA、DWI检查出现高信号、同侧颈动脉狭窄与TIA后早期发生卒中相关。本研究提示ABCD3-I评分法在预测TIA进展为卒中的阳性率上,明显优于ABCD2评分法和ABCD3评分法。
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页码:23 / 28
页数:6
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