应用genesisⅱps型假体行全膝关节置换术的中期疗效

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1、中义摘要应用GenesisIIPS型假体行全膝关节置换术的中期疗效评分为45．1±5．7分，关节活动度为114．2±7．5度，平均Feller髌骨评分为26．4±2．3分，均较术前及术后半年均明显改善(P

2、线或假体松动迹象。结论1．采用GenesisIIPS型假体行膝关节置换术，可有效缓解膝关节疼痛，改善膝关节功能，术后恢复快，并发症少，中期疗效满意，但尚需进一步观察远期疗效。2．GenesisIIPS型假体设计合理，是目前人工膝关节置换较理想的假体选择。关键词：全膝关节置换；PS型假体；随访研究作者：郑鸿鸣指导老师：孙俊英教授ⅡMidtermresultsofprimarytotalkneearthroplasty‘GenesisIIooste"；tabilized)rostheshusingenesisposterior-stabilizeOprosthesisAbstrac

3、tObjective：Thepurposeofthecurrentretrospectivefollow-upstudywastoreportthemidtermclinicalandX-rayresultsofprimarytotalkneearthroplastyusingGenesisIIposterior-stabilized(PS)prosthesis．Toanalysisthepossibleaffectfactbrsofdesignfeaturesofprosthesisandsex，andtoprovidethebasisinprosthesisselectin

4、g．Methods：Onehundredandtwenty-six(135knees)consecutivepatientsperformedtotalkneearthroplastyusingGenesisIIPSprosthesisbetweenDecember2001andOctober2008．7patients(8knees)diedforotherreasons，10patients(13knees)werelosttofollow-up．107consecutivepatients(114knees)werefollowedbyameanof6．4years(ra

5、nge，3-9years)aftersurgery．Insevenpatients，bilateraltotalkneearthroplastywereperformed．ThemeanBMlwas26．0-a：1．0．Preoperativediagnosesincludedosteoarthritisin97patients(103knees)，rheumatoidarthritisin3patients(4knees)，traumaticarthritisin7patients(7knees)．PreoperativemeanKSSwas47．8士6．1points，me

6、anfunctionscoreswas49．1士10．8points，meanFellerpateilarscorewas18．6士3．6points，themeanrangeofmotionwas86．8士14．9。．Allcomponentswerecemented．NopatellaWasresurfaced，but1kneeresurfacedforpostoperativemalunionofpatellafracturefixation．Results：Noinfection，dislocation，orneurovascularinjuryoccurred，but

7、2kneesoccurredinteroperativeposteriorlateralfemoralcondylefractures，andanteriorkneepainoccurredin10knees．Nocomponentswereradiographicallyloose．Norevisionsurgerieswereperformed．Atthehalfyearpastsurgery，theKSSaveraged85．5士9．6points，themeanfunctionsco