目的探讨急性脑梗死患者颈动脉粥样硬化斑块的稳定性与血管内皮功能的相关性。方法应用颈动脉彩色多普勒超声技术检查研究对象颈动脉粥样硬化斑块的大小、数目及性质。选取血管性假血友病因子(Von Willebrand factor,vWF)与可溶性血管...目的探讨急性脑梗死患者颈动脉粥样硬化斑块的稳定性与血管内皮功能的相关性。方法应用颈动脉彩色多普勒超声技术检查研究对象颈动脉粥样硬化斑块的大小、数目及性质。选取血管性假血友病因子(Von Willebrand factor,vWF)与可溶性血管内皮细胞蛋白C受体(Soluble endothelial protein C receptor,sEPCR)作为急性脑梗死患者血管内皮功能的评价指标。采用ELISA方法检测其血浆中vWF与sEPCR含量。根据颈动脉彩超的结果,将急性脑梗死患者分为不稳定性斑块脑梗死组、稳定性斑块脑梗死组,并选取健康对照组,组间比较采用独立样本t检验,并行简单相关分析。结果不稳定性斑块脑梗死组血浆中vWF与sEPCR含量显著高于稳定性斑块脑梗死组(P<0.001),急性脑梗死患者颈动脉粥样硬化斑块的稳定性与vWF及sEPCR呈负相关(P<0.001)。结论急性脑梗死患者血管内皮功能损伤越严重,则颈动脉粥样硬化斑块可能越不稳定。展开更多
BACKGROUND Unstable carotid atherosclerotic plaques are prone to cause ischemic stroke.Contrast-enhanced ultrasound(CEUS) is the primary method of assessing plaque stability, but CEUS cannot be a method for screening ...BACKGROUND Unstable carotid atherosclerotic plaques are prone to cause ischemic stroke.Contrast-enhanced ultrasound(CEUS) is the primary method of assessing plaque stability, but CEUS cannot be a method for screening for unstable plaque. The emergence of superb micro-vascular imaging(SMI) offers the possibility of clinically screening for unstable plaque AIM To investigate the value of SMI in predicting ischemic stroke in patients with carotid atherosclerotic plaques.METHODS Patients with carotid atherosclerotic plaques(luminal stenosis of 50%-70%) were enrolled into the present study. All patients received conservative medication.The patient's clinical baseline data, serological data, CEUS and SMI data were analyzed. All patients underwent a 3-year follow-up. The follow-up endpoint was the occurrence of ischemic stroke and patients were divided into stroke group and non-stroke group according to whether the prognosis occurred or not.Subsequently, the difference in clinical data was compared, the correlation of SMI and CEUS was analyzed, and multiple Cox regression and receiver operating characteristic curve were applied to investigate the value of SMI and CEUS in predicting cerebral arterial thrombosis in three years.RESULTS In this study, 43 patients were enrolled in the stroke group and 82 patients were enrolled in the non-stroke group. Cox regression revealed that SMI level(P =0.013) and enhancement intensity(P = 0.032) were the independent factors influencing ischemic stroke. There was a positive correlation between SMI level and enhancement intensity(r = 0.737, P = 0.000). The area under curve of SMI level predicting ischemic stroke was 0.878. The best diagnostic point was ≥ level Ⅱ, and its sensitivity and specificity was 86.05% and 79.27%. The area under curve of enhancement intensity predicting ischemic stroke was 0.890. The best diagnostic point was 9.92 db, and its sensitivity and specificity was 88.37% and89.02%. As the SMI level gradually increased, the incidence of ischemic stroke increased grad展开更多
目的系统评价通心络和他汀类药物治疗颈动脉粥样硬化斑块的临床疗效。方法计算机检索中外数据库,检索日期为从建库起至2015年5月1日,收集通心络和他汀类药物治疗颈动脉粥样硬化斑块疗效的相关随机对照研究。采用Rev Man 5.2软件进行Met...目的系统评价通心络和他汀类药物治疗颈动脉粥样硬化斑块的临床疗效。方法计算机检索中外数据库,检索日期为从建库起至2015年5月1日,收集通心络和他汀类药物治疗颈动脉粥样硬化斑块疗效的相关随机对照研究。采用Rev Man 5.2软件进行Meta分析。结果共纳入23篇文献,包括2355名患者,平均研究周期为20±7周,其中单用通心络和他汀类药物改善患者颈动脉内膜中膜厚度(IMT)及血脂水平的疗效无明显差别(MD为-0.06,95%CI为-0.17~0.05,P=0.26和MD为0.19,95%CI为-0.00~0.38,P=0.05),但单用通心络在改善患者甘油三酯(TG)水平上较他汀类药物更有优势(MD为-0.28,95%CI为-0.44^-0.11,P=0.001),通心络联合他汀类药物在改善患者IMT及斑块面积、斑块积分以及血脂水平和C反应蛋白(CRP)上比单用他汀类药物更有优势(P<0.01),而单用通心络比单用他汀类药物所表现的不良反应明显减少(OR为0.44,95%CI为0.27~0.73,P=0.001)。结论治疗颈动脉粥样硬化斑块的最佳治疗方案是通心络联合他汀类药物的使用。展开更多
文摘目的探讨急性脑梗死患者颈动脉粥样硬化斑块的稳定性与血管内皮功能的相关性。方法应用颈动脉彩色多普勒超声技术检查研究对象颈动脉粥样硬化斑块的大小、数目及性质。选取血管性假血友病因子(Von Willebrand factor,vWF)与可溶性血管内皮细胞蛋白C受体(Soluble endothelial protein C receptor,sEPCR)作为急性脑梗死患者血管内皮功能的评价指标。采用ELISA方法检测其血浆中vWF与sEPCR含量。根据颈动脉彩超的结果,将急性脑梗死患者分为不稳定性斑块脑梗死组、稳定性斑块脑梗死组,并选取健康对照组,组间比较采用独立样本t检验,并行简单相关分析。结果不稳定性斑块脑梗死组血浆中vWF与sEPCR含量显著高于稳定性斑块脑梗死组(P<0.001),急性脑梗死患者颈动脉粥样硬化斑块的稳定性与vWF及sEPCR呈负相关(P<0.001)。结论急性脑梗死患者血管内皮功能损伤越严重,则颈动脉粥样硬化斑块可能越不稳定。
基金Supported by Shanghai Jiading District Health and Family Planning Commission Health Planning Commission Scientific Research Project,No.KYXM,2015-KY-02
文摘BACKGROUND Unstable carotid atherosclerotic plaques are prone to cause ischemic stroke.Contrast-enhanced ultrasound(CEUS) is the primary method of assessing plaque stability, but CEUS cannot be a method for screening for unstable plaque. The emergence of superb micro-vascular imaging(SMI) offers the possibility of clinically screening for unstable plaque AIM To investigate the value of SMI in predicting ischemic stroke in patients with carotid atherosclerotic plaques.METHODS Patients with carotid atherosclerotic plaques(luminal stenosis of 50%-70%) were enrolled into the present study. All patients received conservative medication.The patient's clinical baseline data, serological data, CEUS and SMI data were analyzed. All patients underwent a 3-year follow-up. The follow-up endpoint was the occurrence of ischemic stroke and patients were divided into stroke group and non-stroke group according to whether the prognosis occurred or not.Subsequently, the difference in clinical data was compared, the correlation of SMI and CEUS was analyzed, and multiple Cox regression and receiver operating characteristic curve were applied to investigate the value of SMI and CEUS in predicting cerebral arterial thrombosis in three years.RESULTS In this study, 43 patients were enrolled in the stroke group and 82 patients were enrolled in the non-stroke group. Cox regression revealed that SMI level(P =0.013) and enhancement intensity(P = 0.032) were the independent factors influencing ischemic stroke. There was a positive correlation between SMI level and enhancement intensity(r = 0.737, P = 0.000). The area under curve of SMI level predicting ischemic stroke was 0.878. The best diagnostic point was ≥ level Ⅱ, and its sensitivity and specificity was 86.05% and 79.27%. The area under curve of enhancement intensity predicting ischemic stroke was 0.890. The best diagnostic point was 9.92 db, and its sensitivity and specificity was 88.37% and89.02%. As the SMI level gradually increased, the incidence of ischemic stroke increased grad
文摘目的系统评价通心络和他汀类药物治疗颈动脉粥样硬化斑块的临床疗效。方法计算机检索中外数据库,检索日期为从建库起至2015年5月1日,收集通心络和他汀类药物治疗颈动脉粥样硬化斑块疗效的相关随机对照研究。采用Rev Man 5.2软件进行Meta分析。结果共纳入23篇文献,包括2355名患者,平均研究周期为20±7周,其中单用通心络和他汀类药物改善患者颈动脉内膜中膜厚度(IMT)及血脂水平的疗效无明显差别(MD为-0.06,95%CI为-0.17~0.05,P=0.26和MD为0.19,95%CI为-0.00~0.38,P=0.05),但单用通心络在改善患者甘油三酯(TG)水平上较他汀类药物更有优势(MD为-0.28,95%CI为-0.44^-0.11,P=0.001),通心络联合他汀类药物在改善患者IMT及斑块面积、斑块积分以及血脂水平和C反应蛋白(CRP)上比单用他汀类药物更有优势(P<0.01),而单用通心络比单用他汀类药物所表现的不良反应明显减少(OR为0.44,95%CI为0.27~0.73,P=0.001)。结论治疗颈动脉粥样硬化斑块的最佳治疗方案是通心络联合他汀类药物的使用。
文摘该研究旨在了解小檗碱对急性缺血性脑卒中(acute cerebral ischemic stroke,AIS)患者颈动脉粥样硬化斑块及血清炎症因子的作用。将120例AIS患者按照随机数字表分为小檗碱组(n=60)和常规组(n=60)。常规组按照最新AIS诊治指南给予常规治疗,小檗碱组在常规组治疗基础上加用盐酸小檗碱片(300 mg/次,每日3次)。测定所有患者治疗前后炎症因子浓度、神经功能缺损评分及颈动脉粥样硬化斑块指标[包括颈动脉粥样硬化斑块总面积(total plaque area,TPA)、内膜中层厚度(intima-media thickness,IMT)及不稳定性斑块数目]的变化并进行比较。研究结果发现,第1天,2组患者炎症因子浓度,NIHSS(national institute of health stroke scale)评分及颈动脉粥样硬化斑块指标的比较无明显统计学差异且炎症因子水平与NIHSS评分呈正相关(P<0.05)。第14天较第1天,2组患者炎症因子浓度及NIHSS评分显著下降(P<0.05)。第14天,小檗碱组较常规组炎症因子浓度及NIHSS评分下降明显(P<0.05)。第90天较第1天,2组患者TPA及不稳定性斑块数目显著减低,差异有统计学意义(P<0.05),而IMT有下降趋势,差异无统计学意义。第90天,小檗碱组较常规组TPA及不稳定性斑块数目减少明显(P<0.05),mRS(modified rankin scale)评分显著偏低且短期预后良好率显著偏高(P<0.05)。2组不良反应发生率无明显差异。该研究结果表明在常规治疗基础上加用小檗碱可显著降低AIS患者急性期血清炎症因子水平,并在一定程度上减轻AIS患者的颈动脉粥样硬化程度,促进神经功能的恢复,改善缺血性卒中病人的短期预后。
