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1、46中国介入影像与治疗学2011年第8卷第1期ChinJIntervImagingTher,2011,Vol8,No1Characteristicsofcerebralarterystenosisandcollateralcirculation:Analysisof362patientswithischemiccerebrovasculardisease1*22GAOXueliang,LINHao,BAIXiaoxin(1.SecondClinicalMedicalCollege,GuangzhouUniversityofTraditionalChinese
2、Medicine,Guangzhou510405,China;2.Departmentof5thNeurology,CerebrovascularDiseaseCenter,HospitalofGuangdongProvinceTraditionalChineseMedicine,Guangzhou510120,China)[Abstract]ObjectiveToanalyzethecharacteristicsofcerebralarterystenosisandthecollateralcirculationmodel,inordertofindoutth
3、erelationshipbetweenneurologicalfunctionandtheestablishofcompensatorycollateralcirculation.MethodsAtotalof362patientswithischemiccerebrovasculardiseasewhounderwentDSAwereanalyzedretrospectively.Thecharacteristicsofcerebralarterystenosisandtherelationshipbetweencollateralcirculationand
4、neurologicimpairmentwereanalyzed.ResultsTherewere334cases(totally716segments)ofcerebralarterystenosisin362patientsofischemiccerebrovasculardisease.Therewere143cases(4281%)ofpureintracranialarterystenosis,84patients(2515%)ofpureextracranialarterystenosisand107cases(3204%)ofintracran
5、ialandextracranialarterystenosisTherewere173cases(5180%)withanteriorcirculationlesions,58patients(1737%)withposteriorcirculationlesionsand103cases(3084%)withjointdiseaseTherewere300segmentswithextracranialarterystenosis,inwhich185segments(6167%)withextracranialinternalcarotidarter
6、yand96segments(3200%)withextracranialvertebralartery.Therewere416segmentswithintracranialarterialstenosis,inwhich171segments(4111%)withmiddlecerebralartery.NIHSSscoresincerebralarteryocclusionpatientswithorwithoutcollateralcirculationweresignificantlydifferent.Thedifferentbetweencer
7、ebralinfarctionandTIApatientswasnotstatisticalsignificant(P<005).ConclusionExtracranialarterystenosisoftenoccurredinextracranialinternalcarotidartery,intracranialarterialstenosisoftenoccurredinmiddlecerebralartery.TIApatientshavehighriskfordevelopingtoinfarction.[Keywords]In
