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1、天津中医药大学硕士学位论文ABSTRACTObjective:Explorethelongperonealmuscletendonasthefeasibilityofthecruciateligamentreconstructionsubstitutes,thebiomechanicalpropertiesandclinicalefficacywasobservedandaccesstothefootandanklejointfunctionafterharvestingtheautologousperoneuslonguste
2、ndon.Methods:ThesafetyandefficacyofusingthePLTasanautograftsourcewereevaluated.First,bybiomechanicalstudytotestPLT’sfailureloadandstiffness,andtocompareitwiththatofthesemitendinosusandgracilistendons.Then,aclinicalstudywasperformedtoevaluateit’sfeasibilityanddonorsit
3、emorbidity,36patientswhounderwentavarietyofkneeligamentreconstructionswiththePLTwerefollowedformorethan2years,lostfivecases,andwerethenevaluatedusingLysholmscore,KT-3000testing,theUnitedStatesanklesurgicalSociety(AOFAS)scoretodeterminetheimprovementofthekneefunctiona
4、ndtheinfluenceoftendonremovalonankleandfootfunction.Lastly,1yearafterthepatientusingthePLTtoreconstructthekneecruciateligamentwasexaminationwithbipedalreorganizationmulti-planarCT,andreadtheCTdatewithDicomsoftware,thanimportthedatetoMimics10.01softwarefor3Dreconstruc
5、tionandmeasurethelateralandmediallongitudinalarchandthesizeoftheforefoottransversearch,thencomparedwiththecontralateralside.Results:Inbiomechanicalstudy,TheaveragefailureloadofthePLTwas711.59±14.02N,accountingfor2timesand3.2timesofthesemitendinosusandgracilistendons.
6、TheaveragestiffnessofthePLTwas27.94±3.68N/mm,approximately3.2timesofthesemitendinosustendon,6.8timesofgracilistendon.Clinicalstudieshaveshownthat36casesofpreoperativedrawertestandLachmantestwerepositivetonegativeafterall.PostoperativeankleeversionstrengthchecksareCla
7、ssIV,andpreoperativesame.PostoperativeLysholmkneescorewas60-100points,anaverageof97.2points,wereexcellentin24patients(>95points),goodin4cases(84-85points),2cases(65-83points),andpoorin1case(<65points),goodrateof88.9%.Patientsinthisgroupmaybeworsewithexercisearenotpat
8、ient.Comparisonofpreoperativeandpostoperativefollow-up3万方数据天津中医药大学硕士学位论文ofthelastdifferencewasstatisticallysignificant(P<0.05points