人工膝关节置换前后髌骨高度对膝关节功能的影响

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1、第四军医大学硕士学位论文结论术前改良Insall-Salvati指数和术后Insall-Salvati指数可以作为评价术后膝关节功能的参考指标。术前、术后的膝关节高度均会影响术后关节功能，全膝关节置换术中精确截骨和保持正常关节线对术后关节功能十分重要。关键词：Insall-Salvati指数;改良Insall-Salvati指数;全膝关节置换术;髌骨-3-第四军医大学硕士学位论文Patellarheighteffectonkneefunctionofpreversuspost-totalkneearthrop

2、lasty(TKA)CandidateforMaster:ZhengYufengSupervisor:ProfessorMaBaoanTutor:ProfessorDingYongDepartmentofOrthopaedics,TangduHospital,FourthMilitaryMedicalUniversity,Xi’an710032,ChinaAbstractObjectiveThegoalofthisstudywastocomparethekneefunctionbyInsall-Salvati

3、andimprovedInsall-Salvatiindicesbeforeandaftertotalkneearthroplasty(TKA).MethodsTheX-raydataaboutInsall-SalvatiandimprovedInsall-Salvatiindicesofpreandpost-totalkneearthroplasty(TKA)werecollectedfrom81consecutivepatients(106cases).Simultaneously,thekneefunc

4、tionofallcaseswereevaluatedthroughTheHospitalforSpecialSurgery(HSS)scoresystem,thatincludedactivity,myodynamia,flexiondeformity,stability,etc.ResultsThepostoperativeHSSscorewas89±10(mean).ThepreoperativeInsall-SalvatiratioandmodifiedInsall-Salvatiratiowere1

5、.00±0.13and1.61±0.21(mean)respectively,whilethepostoperativeInsall-SalvatiratioandmodifiedInsall-Salvatiratiowere0.94±0.19and1.67±0.34(mean)respectively.ThepostoperativeInsall-SalvatiratiosignificantlyincreasedthanthepreoperativeInsall-Salvatiratio(P<0.05),

6、whilethepostoperativemodifiedInsall-Salvatiratiosignificantlydecreasedthanthepreoperative-4-第四军医大学硕士学位论文modifiedInsall-Salvatiratio(P<0.05).ThepostoperativeHSSscore(rangeofmotion,flexioncontracture)inpostoperativepatellabajagroup(Insall-salvatiratio<0.8)sig

7、nificantlydecreasedthanthatinnormalpatellagroup(0.81.5)andnormalpatellagroup(P>0.05).ThepostoperativeHSSscore(rangeofmotion,stability,functio

8、nal,quadricepsstrength,flexioncontracture)ofpatientswhosepreoperativemodifiedInsall-salvatiratio>1.8significantlyincreasedthanthat<1.8(P<0.05).ConclusionPreoperativemodifiedandpostoperativeInsall-salva