[1]胡振顺,崔国庆,康智勇,等.多模态CT关键灌注参数联合侧支循环评分在急性缺血性脑卒中患者静脉溶栓后出血性转化中的预测价值[J].陕西医学杂志,2026,(4):485-490.[doi:DOI:10.3969/j.issn.1000-7377.2026.04.009]
 HU Zhenshun,CUI Guoqing,KANG Zhiyong,et al.The predictive value of multimodal CT key perfusion parameters combined with collateral circulation score in hemorrhagic transformation after intravenous thrombolysis in patients with acute ischemic stroke[J].,2026,(4):485-490.[doi:DOI:10.3969/j.issn.1000-7377.2026.04.009]
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多模态CT关键灌注参数联合侧支循环评分在急性缺血性脑卒中患者静脉溶栓后出血性转化中的预测价值

《陕西医学杂志》[ISSN:1000-7377/CN:61-1281/TN]

卷:
期数:
2026年4期
页码:
485-490
栏目:
临床研究
出版日期:
2026-04-05

文章信息/Info

Title:
The predictive value of multimodal CT key perfusion parameters combined with collateral circulation score in hemorrhagic transformation after intravenous thrombolysis in patients with acute ischemic stroke
作者:
胡振顺崔国庆康智勇黄琛垒魏艳玲
(河北北方学院附属第一医院医学影像部,河北 张家口 075000)
Author(s):
HU ZhenshunCUI GuoqingKANG ZhiyongHUANG ChenleiWEI Yanling
(Department of Medical Imaging,The First Affiliated Hospital of Hebei North University,Zhangjiakou 075000,China)
关键词:
多模态CT急性缺血性脑卒中静脉溶栓出血性转化灌注参数侧支循环预测价值
Keywords:
Multimodal CTAcute ischemic strokeIntravenous thrombolysisHemorrhagic transformationPerfusion parametersCollateral circulationPredictive value
分类号:
R 743
DOI:
DOI:10.3969/j.issn.1000-7377.2026.04.009
文献标志码:
A
摘要:
目的:探讨多模态计算机断层扫描(CT)的关键灌注参数脑血容量(CBV)、脑血流量(CBF)、表面渗透性(PS)联合侧支循环评分在急性缺血性脑卒中(AIS)患者静脉溶栓治疗后出血性转化(HT)中的预测价值。方法:回顾性选取收治的130例AIS患者,根据静脉溶栓后是否发生HT分为发生组(n=30)和未发生组(n=100)。所有患者均行多模态CT检查[CT平扫+CT灌注成像(CTP)+CT血管成像(CTA)],检测并比较两组CBV、CBF、达峰时间(TTP)、最大血流峰值时间(Tmax)、PS及侧支循环评分;收集两组基线资料[年龄、性别、发病至溶栓时间、基线美国国立卫生研究院卒中量表(NIHSS)评分等],采用多因素Logistic回归分析AIS患者溶栓后HT的独立危险因素;通过受试者工作特征(ROC)曲线分析多模态CT单指标及联合指标对HT的预测效能。结果:①两组TTP、Tmax比较差异无统计学意义(均P>0.05);与未发生组比较,发生组PS显著升高,CBV、CBF及侧支循环评分显著降低(均P<0.05)。②两组年龄、性别、血管闭塞部位、抗凝药应用史、吸烟史、饮酒史、冠心病、高脂血症、高血压史比较差异无统计学意义(均P>0.05);发生组发病至溶栓时间、基线NIHSS评分显著高于未发生组(均P<0.05)。③发病至溶栓时间长(OR=2.261,95%CI:1.852~3.109)、基线NIHSS评分高(OR =2.296,95%CI:1.073~4.886)、CBV低(OR =0.558,95%CI:0.473~0.742)、CBF低(OR =0.796,95%CI:0.439~0.975)、PS高(OR =2.187,95%CI:1.124~4.256)、侧支循环评分低(OR =0.864,95%CI:0.879~0.962)是AIS患者溶栓后HT的独立危险因素(均P<0.05)。④CBV、CBF、PS、侧支循环评分单独预测HT的AUC分别为0.638、0.611、0.710、0.722;四者联合检测的AUC为0.924,灵敏度89.00%、特异度90.00%,显著高于单指标检测(均P<0.05)。结论:多模态CT的CBV、CBF、PS联合侧支循环评分对AIS患者静脉溶栓后HT具有优异的预测效能,可为临床制定个体化治疗方案及风险评估提供可靠依据。
Abstract:
Objective:To explore the predictive value of key perfusion parameters [cerebral blood volume (CBV),cerebral blood flow (CBF),permeability surface product (PS)]of multimodal computed tomography (CT) combined with collateral circulation score in hemorrhagic transformation (HT) after intravenous thrombolysis in patients with acute ischemic stroke (AIS).Methods:A total of 130 AIS patients admitted to The First Affiliated Hospital of Hebei North University from January 2023 to February 2025 were retrospectively selected.They were divided into the HT group (n=30) and nonHT group (n=100) according to whether HT occurred after intravenous thrombolysis.All patients underwent multimodal CT examination [plain CT + CT perfusion (CTP) + CT angiography (CTA)].CBV,CBF,time to peak (TTP),time to maximum (Tmax),PS and collateral circulation score were detected and compared between the two groups.Baseline data [age,gender,time from onset to thrombolysis,baseline National Institutes of Health Stroke Scale (NIHSS) score,etc.] of the two groups were collected.Multivariate Logistic regression was used to analyze the independent risk factors of HT after thrombolysis in AIS patients.Receiver operating characteristic (ROC) curve was used to analyze the predictive efficacy of single and combined multimodal CT indicators for HT.Results:① There was no significant difference in TTP and Tmax between the two groups (all P>0.05).Compared with the nonHT group,PS in the HT group was significantly higher,while CBV,CBF and collateral circulation score were significantly lower (all P<0.05).②There were no significant differences in age,gender,vascular occlusion site,history of anticoagulant use,smoking history,drinking history,coronary heart disease,hyperlipidemia and hypertension between the two groups (all P>0.05).The time from onset to thrombolysis and baseline NIHSS score in the HT group were significantly higher than those in the nonHT group all (P<0.05).③Long time from onset to thrombolysis (OR =2.261,95%CI:1.852~3.109),high baseline NIHSS score (OR =2.296,95%CI:1.073~4.886),low CBV (OR =0.558,95%CI:0.473~0.742),low CBF (OR =0.796,95%CI:0.439~0.975),high PS (OR =2.187,95%CI:1.124~4.256) and low collateral circulation score (OR =0.864,95%CI:0.879~0.962) were independent risk factors for HT after thrombolysis in AIS patients (all P<0.05).④The AUC of CBV,CBF,PS and collateral circulation score in predicting HT alone were 0.638,0.611,0.710 and 0.722 respectively.The AUC of the combined detection of the four indicators was 0.924,with a sensitivity of 89.00% and a specificity of 90.00%,which was significantly higher than that of single indicator detection (all P<0.05).Conclusion:CBV,CBF,PS of multimodal CT combined with collateral circulation score have excellent predictive efficacy for HT after intravenous thrombolysis in AIS patients.It can provide a reliable basis for clinical formulation of individualized treatment plans and risk assessment,and is worthy of promotion and application.

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备注/Memo

备注/Memo:
国家自然科学基金资助项目(82191635);河北省卫生健康委员会科研项目(2024SF1062)
更新日期/Last Update: 2026-04-05