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ID:33810313
大小:2.68 MB
页数:24页
时间:2019-03-01
《大脑中动脉分叉部动脉瘤分型与双干型血管分支关系的分析》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、温州医学院硕士学位论文betweentheNeckTypeofMiddleCerebralArteryBifurationAneurysmsandtheDoubleStemTypeBranchesBackgroundandPurpose:Thereisahighincidenceofintracranialaneurysmsatthebifurcationssuggestingthevascularmorphologyiscloselyrelatedtotheformationofintracr
2、anialaneurysms.ThecasesofMCAbifurcationaneurysmSwerestudiedretrospectively.Bygatheringthemorphologicalparametersofvascularbifurcations,analysetheconnectionbetweenmetypeofaneurysmsandthebranchesofcorrespondingbifurcations.Furtherdiscussionoftherelativ
3、itybetweenvascularmorphologywithlocalhemodynamicsandtheformationanddevelopmentofaneurysmswillprovideatheoreticalbasisofsubsequentperspectivestudy.Methods:Theimagingdatasofthe17consecutivepatientssufferMCAbifurcationaneurysmswerestudiedretrospectively
4、,whichwerediagnosedbySkullmulti.slicespiralCTangiography(MSCTA)inTheFirstAffiliatedHospitalofWenzhouMedicalCollege,fromJanuary2008toDecember2011.Selectedconditions:1.TheMCAbifurcation、肮mtwobranches;2.singleaneurysmonthebi如rcation(includingthecaseswhi
5、chaccompanyotheraneurysms);3.Imagedisplaygood,therelationofbifurcationmainarteryandbranchesareshownclearly;4.nooccupyinglesionsaroundtheMCAoftheaffectedside;5.VerifiedbyDSAorsurgery.Thereare64casesmatchtheconditions,including2caseshadhibateralMCAbifu
6、rcationIAs,SOtherewere66IAsforthisstudy.Asforthenecklocation,Thebifurcationaneurysmswereclassifiedintotwotypes:whentheneckwaslocatedontheextensionofthemidlineoftheparentartery,itwasdefinedasaclassicalnecktypeaneurysm(typeC),andwhenitwasnot,itwasdefin
7、edasadeviatingnecktypeaneurysm(typeD).Accordingtothepost.processingimages,classifytheaneurysmsbylocationoftheirnecks.ThefollowingVasculargeometryparametersweremeasured:1.thediameterofthetWOdaughterarterysintheirinitialsegment,avoidingtheneckoftheaneu
8、rysm.6-温州医学院硕士学位论文s;2.Thebranchangles,whicharetheanglesbetweenparentarteryanddaugtherarterysseparately;3.theanglebetweentwodaugtherarterys.Calculatethediameterratiosofbranchesandtheratiosofbranchangles.Parametersaforementionedofthetwotypeswereanalyze
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