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

《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