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比较单、双钢板与髓内钉三种内固定方法在股骨远端内侧粉碎性骨折患者中的应用效果.[方法]选择本院2013年1月至2017年12月收治的股骨远端内侧粉碎性骨折患者82例作为研究对象,根据内固定材料分为单钢板组27例、双钢板组34例、髓内钉组21例.术后即刻、末次随访X线摄片检查股骨角,观察股骨角变化量;记录各组患者手术时间、术中出血量、骨折愈合时间和骨折愈合情况.[结果]双钢板组平均手术时间、平均出血量明显高于单钢板组和髓内钉组,差异有统计学意义(P<0.05).单钢板组畸形愈合率显著高于双钢板组和髓内钉组,差异有统计学意义(P0.05);术后与末次随访,单钢板组术后股骨角差值明显高于双钢板组和髓内钉组,双钢板组明显高于髓内钉组,差异有统计学意义(P<0.05).[结论]从手术创伤和维持复位能力综合评价,三种内固定方法治疗股骨远端内侧粉碎性骨折的疗效依次为髓内钉、双钢板、单钢板固定,但除外累及关节面者.“,”Tocomparetheapplicationeffectofthreeinternalfixationmethodsinpatientswithcomminu-teddistalmedialfemoralfracture:singlesteelplate,doublesteelplateandintramedullarynail.[Methods]Atotalof82pa-tientswithdistalmedialcomminutedfemoralfracturesinourhospitalfromJanuary2013toDecember2017wereselected astheresearchsubjects.Accordingtotheinternalfixationmaterials,patientsweredividedintothesinglesteelplategroup (27cases),thedoublesteelplategroup(34cases),andtheintramedullarynailinggroup(21cases).,Thefemurangle variationwerecomparedbytheX-rayradiographyexaminationoffemoralangleatimmediatelyaftersurgeryandthelast follow-up.Theoperationtime,intraoperativebloodloss,fracturehealingstatusandtimewererecorded.[Results]The averageoperationtimeandtheaveragebloodlossinthedouble-plategroupweresignificantlyhigherthanthoseinthesin-gle-plategroupandtheintramedullarynailgroup,withstatisticallysignificantdifferences(P<0.05).Therateofmal-formationinthesingleplategroupwassignificantlyhigherthanthatinthedoubleplategroupandtheintramedullarynail group,andthedifferencewasstatisticallysignificant(P0.05).X-rayradiographyexaminationsoffemoralangleatimmediatelyaftersurgeryandthe lastfollow-upshowedthatthedifferenceoffemoralanglechangesinsingleplategroupwassignificantlyhigherthanthat indoubleplategroupandtheintramedullarynailgroup,andthedoubleplategroupwassignificantlyhigherthanthatin theintramedullarynailinggroup.Thedifferenceswerestatisticallysignificant(P<0.05).[Conclusion]Accordingtothe comprehensiveevaluationofsurgicaltraumaandreductionabilitymaintenance,thetherapeuticeffectofthethreetypesof internalfixationforthetreatmentofcomminutedfractureofthedistalfemurwerefollowedbyintramedullarynail,double plateandsingleplate,exceptforthoseinvolvingthearticularsurface.