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时间:2019-05-24
《经颅多普勒超声和磁共振血管造影对老年后循环缺血的诊断价值》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中华脑血管病杂志(电子版)2013年12月第7卷第6期ChinrebrovascDis(ElectronicEdition),—Decem—ber20,7_.·4··临床研究·经颅多普勒超声和磁共振血管造影对老年后循环缺血的诊断价值邝学媚吕涵青虢周科佘响云【摘要】目的探讨椎基底动脉经颅多普勒超声(TCD)和磁共振血管造影(MRA)对老年后循环缺血(PCI1的临床诊断价值。方法对临床确诊为老年PCI患者的椎基底动脉系统TCD及MRA的检查资料进行回顾性分析,比较两种检查方法在后循环缺血中的诊断价值。结果共人选我院诊断为PCI的住院老
2、年患者60例,男28例,平均年龄67.4±8.5岁;TCD确诊老年PCI患者56例,TCD的阳性率为93-3%;MRA确诊PCI患者39例,MRA的阳性率为65%。采用配对卡方检验比较不同类型的检出率,=15.21,P<0.05。TCD的阳性检出率高于MRA,且差异有统计学意义。结论PCI的TCD阳性检出率明显高于MRA,TCD可了解侧支循环的建立情况,但两种检查方法结合起来对老年PCI的病因诊断及临床治疗观察有更大的诊断价值。【关键词】后循环缺血;经颅多普勒超声;磁共振血管造影ComparativestudyofTCDandMR
3、AfordiagnosisofposteriorcirculationischemiaKUANGXue—mei.LVHan-qing,GUOZhou-ke,SHEXiang-yun.Departmentofpsyeho-cerebropathy,TraditionalChineseMedicineofShenzhenCity,Shenzhen518033,ChinaCorrespondingauthor:KUANGXue-mei,Email:J746493197@qq.com【Abstract】objectiveToexplore
4、thediagnosticvalueoftranscranialDopplersonagraphy(TCD)andmagneticresonanceangiography(MRA)inpatientswithposteriorcirculationischemia(PCI).MethodsWeanalyzedretrospectivelytheclinicaldataofpatientswhowerediagnosedwithPCIbyTCDandMRA,andcomparedthetwomethodsofexaminationi
5、nthediagnosisvalueofPCI.ResultsAtotalof60elderin—hospitalpatients(28men;meanage67.4±8.5years)withPCIunderwentthediagnosticmethodassessment.ComparedwithMARexamination,bywhich39patientswerediagnosedasPCIandPCIpositiveratewas65%,56patientswerediagnosedasPCIbyTCDandTCDpos
6、itiveratewas93_3%.Thedetectionrateswerecomparedbymatchingchi-squaretest(。=15.21,P<0.05).PositiverateofTCDwashigherthanthatofMRA,andthediferencewasstatisticallysignificant.ConclusionsThepositiverateofTCDwassignificantlyhigherthanthatofMRAindiagnosisofPCI,andTCDcouldbeu
7、sedinevaluationoftheestablishmentofcollateralcirculationsituation.Meanwhile,thecombinationuseofTCDandMRAwouldbehelpfultodiagnosePCIatearlystage.【Keywords】Posteriorcirculationischemia;Magneticresonancean~ography;TranscranialDoppler后循环缺血(posteriorcirculationischemia,的缺血
8、性脑血管病,约占缺血性卒中的20%。患PCI)是神经科常见病、多发病,以老年人多见。者一般表现主要有:言语不清、恶心和呕吐、麻木、后循环又称椎基底动脉系统,由椎动脉、基底动站立不稳而不能行走或站立(共济失调)、突发眩脉和大脑后动脉组成,主要供血给脑
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