简介：摘要目的通过对我院于2017年1月-2018年1月期间收治的28例锁骨粉碎性骨折行切开复位克氏针加丝线内固定的观察，探讨锁骨粉碎性骨折手术治疗方法和效果。方法随机分为实验组与对照组各14例，对对照组锁骨中1/3和中1/3与外1/3交界处粉碎性骨折采用切开复位克氏针加丝线固定治疗，实验组采用接骨板和螺钉固定。结果对照组病例骨折复位满意，骨折平均愈合时间为5个半月，均达骨性愈合，但回复时间及恢复程度均不及实验组，疗效有明显差异。治疗后所有患者状态明显好转。结论锁骨中段粉碎性骨折行手术接骨板和螺丝固定术，手术简单，效果良好，取内固定方便，更易被患者接受，值得临床推广。

简介：Duringperipheralnervetranspositionrepair,ifthediameterdifferencebetweentransposednervesislargeormultipledistalnervesmustberepairedatthesametime,traditionalepineurialneurorrhaphyhastheproblemofhightensionatthesuturesite,whichmayevenleadtothefailureofnervesuture.Weinvestigatedwhetherasmallgapbio-sleevesuturewithdifferentinnerdiametersatbothendscanbeusedtorepaira2-mmtibialnervedefectbyproximaltranspositionofthecommonperonealnerveinratsandcomparedtheresultswiththerepairseenafterepineurialneurorrhaphy.Threemonthsaftersurgery,neurologicalfunction,nerveregeneration,andrecoveryofnerveinnervationmusclewereassessedusingthetibialnervefunctionindex,neuroelectrophysiologicaltesting,musclebiomechanicsandwetweightmeasurement,osmicacidstaining,andhematoxylin-eosinstaining.Therewasnoobviousinflammatoryreactionandneuromaformationinthetibialnerveafterrepairbythesmallgapbio-sleevesuturewithdifferentinnerdiametersatbothends.Theconductionvelocity,musclestrength,wetmuscleweight,cross-sectionalareaofmusclefibers,andthenumberofnewmyelinatednervefibersinthebiosleevesuturegroupweresimilartothoseintheepineurialneurorrhaphygroup.Ourfindingsindicatethatsmallgapbio-sleevesuturewithdifferentinnerdiametersatbothendscanachievesurgicalsuturebetweennervesofdifferentdiametersandpromoteregenerationandfunctionalrecoveryofinjuredperipheralnerves.

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