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1、HindawiPublishingCorporationeScientificWorldJournalVolume2014,ArticleID457634,8pageshttp://dx.doi.org/10.1155/2014/457634ClinicalStudyTheRetrospectiveAnalysisofPosteriorShort-SegmentPedicleInstrumentationwithoutFusionforThoracolumbarBurstFracturewithNeurologicalDeficit121131ZhoumingDeng,Hui
2、Zou,LinCai,AnsongPing,YongzhiWang,andQiyongAi1DepartmentofOrthopaedic,ZhongnanHospitalofWuhanUniversity,No.169DonghuRoad,Wuhan,HubeiProvince430071,China2DepartmentofOrthopaedic,CentralHospitalofHuanggangCity,Huanggang,China3DepartmentofUrology,ZhongnanHospitalofWuhanUniversity,Wuhan,ChinaCo
3、rrespondenceshouldbeaddressedtoLinCai;guke3559@aliyun.comReceived31August2013;Accepted19December2013;Published2March2014AcademicEditors:N.BoariandR.PflugmacherCopyright©2014ZhoumingDengetal.ThisisanopenaccessarticledistributedundertheCreativeCommonsAttributionLicense,whichpermitsunrestricte
4、duse,distribution,andreproductioninanymedium,providedtheoriginalworkisproperlycited.Thisstudyaimstoinvestigatetheefficacyofposteriorshort-segmentpedicleinstrumentationwithoutfusionincuringthoracolumbarburstfracture.Allofthe53patientsweretreatedwithshort-segmentpedicleinstrumentationandlamin
5、ectomywithoutfusion,andtherestorationofretropulsedbonefragmentswasconductedbyanovelcustom-designedrepositor(RRBF).Themeanoperationtimeandbloodlossduringsurgerywereanalyzed;theradiologicalindexandneurologicalstatuswerecomparedbeforeandaftertheoperation.Themeanoperationtimewas93min(range:62–1
6、10min)andthemeanintraoperativebloodlosswas452mLinallcases.Theaveragecanalencroachmentwas50.04%and10.92%priortothesurgeryandatlastfollowup,respectively(?<0.01).Thepreoperativekyphoticanglewas17.2degree(±6.87degrees),whereasitdecreasedto8.42degree(±4.99degrees)atlastfollowup(?<0.01).Besides,t
7、hemeanvertebralbodyheightincreasedfrom40.15%(±9.40%)beforesurgeryto72.34%(±12.32%)atlastfollowup(?<0.01).45patientsshowed1-2gradesimprovementinFrankel’sscaleatlastfollowup.Thistechniqueallowsforsatisfactorycanalclearanceandrestorationofvertebralbodyheigh