coflex棘突间固定装置植入术在治疗腰椎管狭窄症中的应用价值

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1、万方数据硕士学位论文棘突间固定装置在维持临近节段椎间隙高度，延缓临近节段椎间盘退变具有优势。Coflex组因临近节段退变再次手术率较融合组低，总的再次手术率较融合组高，但均无统计学意义。对于其临床应用价值有待长期随访观察。关键词：Coflex腰椎融合术临近节段退变Pfirrmann分级7万方数据摘要TheapplicationvalueofCoflexinterspinousprocessdeviceinthetreatmentofdegenerativelumberspinalstenosisABSTRACTName：Zhengxiao—qingSupervis

2、or：Zhengqiu-jianBaekground：Lumbarspinalstenosis(LSS)iscausedbythestenosisofthemiddleofthelumbarspinalcanalorlateralrecessandintervertebralforamen．Nowadaysithavebeenrecognisedthatnervecompressionandbloodcirculationobstacleisresponsibleforitssymptoms，namelylowerlimbradiativepain，neuroge

3、nicintermittentclaudication，orbackpains．Degenerativelumberspinalstenosis(DLSS)isaspecialtypeofLSS．Itisacommondegenerativediseaseofelderly．Thecurrenttreatmentfordegenerativelumbarspinalstenosisincludesconservativetreatmentandoperationtreatment．Forthreemonthsofconservativetreatmentineff

4、ective，surgeryisrecommended．Currentlythemostoftenusedsurgicalapproachinclinicalisspinaldecompressionandinterbodyfusionwithpediclescrewfixation．However，theadjacentsegmentpathology(ASP)aftertheinterbodyfusionsurgeryisacommonseencomplicationsinlong-termfollow-up．Becauseofitsseriousimpact

5、ontherehabilitationprocessandthelong-termqualityoflifeofpatientslitmaybeoneofthemostseriouscomplications．Itevenmakepatientsdoubtabouttheeffectivenessoftreatment．Atpresent，thereareseveralfactorsbeconsiderasthereasonfortheoccurrenceofASP：thedestructionoftheposteriorcolumnstructureonthea

6、djacentsegmentafterlumbardecompressionandfusionfixationprocess；increasedrangeofmotion(ROM)oftheadjacentsegment；increased8万方数据硕士学位论文pressureintheadjacentsegment；facetjointhyperplasia．TheperformanceoftheradiologyimagingincludessignalchangesinMRoftheadjacentlumbarintervertebraldisc，inter

7、-discsspacenarrowing，hyperplasiaoffacetjointorposteriormarginaloflumbarveterbra,lumbarspineinstabilityorspondylolisthesis．Allthesechangesmayleadtostenosisofthelumbarspinalcanal．ToavoidtheASPafterinterbodyfusionsurgery，adynamicun-fusionfixationsystemdevelopsinthepresentdays．Onemostrepr

8、esent