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中华医学超声杂志(电子版) ›› 2026, Vol. 23 ›› Issue (03) : 236 -243. doi: 10.3877/cma.j.issn.1672-6448.2026.03.008

头颈部超声影像学

经颅多普勒超声脑血流动力学参数对前循环小动脉闭塞型脑卒中短期预后的预测价值
郭慧1, 孔琦2, 程芸3, 张思然2,()   
  1. 1 310053 杭州,浙江中医药大学第二临床医学院
    2 310013 杭州,浙江医院神经内科
    3 310013 杭州,浙江医院超声医学科
  • 收稿日期:2026-01-07 出版日期:2026-03-01
  • 通信作者: 张思然

Predictive value of transcranial Doppler hemodynamic parameters for short-term prognosis in patients with anterior circulation small artery occlusion stroke

Hui Guo1, Qi Kong2, Yun Cheng3, Siran Zhang2,()   

  1. 1 the Second School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China
    2 Department of Neurology, Zhejiang Hospital, Hangzhou 310013, China
    3 Department of Ultrasound, Zhejiang Hospital, Hangzhou 310013, China
  • Received:2026-01-07 Published:2026-03-01
  • Corresponding author: Siran Zhang
引用本文:

郭慧, 孔琦, 程芸, 张思然. 经颅多普勒超声脑血流动力学参数对前循环小动脉闭塞型脑卒中短期预后的预测价值[J/OL]. 中华医学超声杂志(电子版), 2026, 23(03): 236-243.

Hui Guo, Qi Kong, Yun Cheng, Siran Zhang. Predictive value of transcranial Doppler hemodynamic parameters for short-term prognosis in patients with anterior circulation small artery occlusion stroke[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2026, 23(03): 236-243.

目的

探讨前循环小动脉闭塞型脑卒中(SAO)患者急性期经颅多普勒超声(TCD)脑血流动力学参数与3个月预后的关系,并评估其预测价值。

方法

回顾性纳入2023年7月1日至2025年2月28日浙江医院神经内科住院的前循环SAO患者150例。根据发病后3个月改良Rankin量表(mRS)评分将其分为2个组:mRS≥2分为病例组(预后不良组,38例),mRS<2分为对照组(预后良好组,112例)。比较2组一般资料、生理参数、实验室指标及TCD参数差异;采用Spearman秩相关分析评估相关变量与3个月mRS评分的关系;采用多因素Logistic回归分析不良预后的独立影响因素;进一步进行亚组分析、交互作用检验及受试者工作特征(ROC)曲线分析,评估患侧收缩期峰值流速(PSV)对不良预后的预测效能。

结果

病例组患侧PSV、患侧平均血流速度(MFV)、患侧阻力指数(RI)、健侧PSV及健侧MFV均高于对照组,差异均具有统计学意义(P均<0.05)。多因素Logistic回归分析显示,患侧PSV是前循环SAO患者3个月不良预后的独立影响因素(OR=1.066,95%CI:1.039~1.094,P<0.001)。交互作用检验显示,患侧PSV与梗死部位之间存在统计学交互作用(P=0.042),与前循环相关的轻度狭窄之间呈边界统计学意义的交互作用(P=0.050)。ROC曲线分析显示,患侧PSV预测总体人群3个月不良预后的曲线下面积(AUC)为0.830(95%CI:0.734~0.926,P<0.001)。

结论

患侧PSV与前循环SAO患者3个月不良预后密切相关,且为独立影响因素。其与预后的关系在不同梗死部位间可能存在异质性,可作为短期预后评估及早期风险分层的辅助指标。

Objective

To investigate the relationship between acute-phase cerebral hemodynamic parameters measured by transcranial Doppler ultrasonography (TCD) and 3-month functional outcome in patients with anterior circulation small artery occlusion (SAO) stroke, and to evaluate their predictive value.

Methods

Clinical data were retrospectively collected from patients with anterior circulation SAO admitted to the Department of Neurology, Zhejiang Hospital between July 1, 2023 and February 28, 2025. Based on the modified Rankin Scale (mRS) score at 3 months after stroke onset, patients were divided into a poor-prognosis group (mRS≥2, n=38) and a good-prognosis group (mRS<2, n=112). Baseline clinical characteristics, physiological parameters, laboratory indices, and TCD parameters were compared between the two groups. Spearman correlation analysis was used to assess associations between relevant variables and 3-month mRS scores. Multivariate logistic regression analysis was performed to identify independent predictors of poor 3-month outcome. Subgroup analysis, interaction analysis, and receiver operating characteristic (ROC) curve analysis were further conducted to evaluate the predictive performance of ipsilateral peak systolic velocity (PSV).

Results

Ipsilateral PSV, ipsilateral mean flow velocity (MFV), ipsilateral resistance index (RI), contralateral PSV, and contralateral MFV were all significantly higher in the poor-prognosis group than in the good-prognosis group (all P<0.05). Multivariate logistic regression analysis demonstrated that ipsilateral PSV was an independent predictor of poor 3-month outcome in patients with anterior circulation SAO (odds ratio=1.066, 95% confidence interval [CI]: 1.039–1.094, P<0.001). Interaction analysis revealed a significant interaction between ipsilateral PSV and infarct location (P=0.042), and a borderline significant interaction between ipsilateral PSV and anterior circulation-related mild intracranial large-artery stenosis (P=0.050). ROC curve analysis showed that the area under the curve of ipsilateral PSV for predicting poor 3-month outcome in the overall population was 0.830 (95%CI: 0.734–0.926, P<0.001).

Conclusion

Ipsilateral PSV was independently associated with poor 3-month outcome in patients with anterior circulation SAO and may serve as a useful marker for predicting short-term prognosis. This association may vary across different infarct locations. Additionally, ipsilateral PSV may function as an adjunctive marker for early risk stratification in this population.

表1 前循环SAO型脑卒中患者一般资料比较
表2 2组SAO型脑卒中患者生理参数与实验室指标比较[MQ1Q3)]
表3 2组TCD脑血流动力学参数比较[MQ1Q3)]
表4 TCD参数及相关变量与3个月mRS评分的Spearman相关分析
表5 前循环SAO患者3个月不良预后影响因素的多因素Logistic回归分析
表6 不同亚组中患侧PSV的组间比较及预测效能[MQ1Q3)]
图1 低危险因素负荷丘脑梗死患者中不同预后患者患侧大脑中动脉经颅多普勒超声代表性频谱图 注:图a为预后不良病例(病例组代表),患侧大脑中动脉(MCA)M1段TCD频谱显示PSV升高至124 cm/s(箭头所示),该患者发病3个月后改良Rankin量表(mRS)评分为3分;图b为预后良好病例(对照组代表),患侧MCA M1段TCD频谱显示PSV为87 cm/s(箭头所示),该患者发病3个月后mRS评分为0分
表7 关键交互作用Logistic回归分析
图2 患侧PSV预测前循环SAO患者3个月不良预后的ROC曲线 注:PSV为收缩期峰值流速;SAO为小动脉闭塞型脑卒中
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