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ID:11182062
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时间:2018-07-10
《经颅多普勒诊断脑血管痉挛对比研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、经颅多普勒诊断脑血管痉挛对比研究【摘要】目的通过应用经颅多普勒(TCD)检测蛛网膜下腔出血患者的颅内血流状况,诊断脑血管痉挛(CVS)并经过数字减影血管造影(SDC)证实,说明TCD诊断CVS的可靠性。方法应用TCD检测2000-2005年CT已经明确诊断为蛛网膜下腔出血Ⅰ~Ⅲ级患者49例(Ⅳ~Ⅴ级患者病情严重不宜做血管造影检查,因此不做讨论)。于患病后第1天开始,每隔3d监测一次,动态观察10d。观察血管参数:大脑中动脉(MCA)、颈内动脉终末段(TICA)、颈内动脉颅外段(ICA)的收缩期峰值流速(Vs)、平均血流速度(Vm)以及大脑中动脉与颈内动脉颅外段(
2、ICA)峰值流速的比值(∨MCA/∨ICA),同时行SDC检查证实。结果49例患者中,TCD提示CVS者26例,痉挛条数33条。数字减影血管造影结果显示CVS者31例,痉挛条数36条,TCD诊断CVS的敏感率为83.8%,TCD诊断CVS特异性为91.6%。结论TCD技术与SDC相比具有操作简便、价廉、实时无创、敏感有效,容易重复检查等优点。【关键词】经颅多普勒;脑血管痉挛;数字减影血管造影TranscranialDopplerindiagnosisofcerebralvasospasm-Acomparativestudy5MAFeng-chun.Beijing
3、MiyunCountyHospitail,101500,China【Abstract】ObjectiveThepurposeofthisstudyistoevaluateintracranialbloodflowconditionsinpatientswithsubarachnoidhemorrhagewithtranscranialDoppler(TCD),andtoinvestigatethereliabilityofTCDindiagnosisofcerebralvasospasm(CVS)bycomparingwiththesubtractiondigi
4、talangiography(SDC)result.Methods49patientswhounderwentTCDexaminationbetween2000and2005wereinvolvedinthisstudy.AllthepatientshadappearanceofsubarachnoidhemorrhageforgradeⅠ~Ⅲoncomputerizedtomography(CT)scan(gradeⅣ~Ⅴwereexcludedbecausetooserioustoendureangiography).Fromthefirstdayofmak
5、ingadefinitediagnosis,TCDwereperformedeverythreedays,andtheobservationlastedfortendays.Evaluatedparametersincluded:ThePeakandmeanvelocity(VsandVm)ofMiddlecerebralartery(MCA),Distalinternalcarotidartery(TICA)andExtracranialinternalcarotidartery(EICA).RatioofMCAandEICA(VMCA/VICA)wascal
6、culated,andSDCfor5eachpersonwerealsoperformed.ResultsAmongthe49patients,TCDsuggested26wereCVS,and33vasospasmvesselsintotal.SDCresultsshowedtherewere31CVSpatients,and36vasospasmvesselsintotal.SpecificationofTCDinCVSdiagnosiswas83.8%,andthespecificationwas91.6%.ConclusionComparedwithth
7、eSDC,TCDhasitsadvantagesforflexibleoperations,lowcost,real-timeandnon-invasive,sensitiveandeffective,andgoodreproducibility.【Keywords】TranscranialDoppler;Vasospasm;SubtractiondigitalangiographyCVS是脑出血、蛛网膜下腔出血和重度颅脑损伤的严重并发症,严重的CVS可以引起脑缺血、脑梗塞及神经功能障碍,甚至死亡,因此早期诊断CVS非常重要。1资料与方法1.1研究对象选择本院2
8、000-2005年期间,
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