^cparimcnlofOrthopedics,N“・nyangNinthPeople'sHospital,Nanyang473()65,HenanProvince,China;:DcparimenlofOrthopedics,NanyangSecondPeople'sHospital,Nanyang473000.HenanProvince,China临床医学JJXA钉棒脊柱内固定置入及椎间颗粒骨植骨治疗动力性腰椎不稳症46例乔保中1,刘永西勺金超S于文忠ITreatmentofdynamiclumbarspinalinstabilitywithJJXAscrew-rodinternalflxationandinterbodyboneparticlegraftsin46casesQiaoBao-zhong]LiuYong-xi2,JinChao1,YuWen-zhong'Abstract:Forty-sixecasesofsymptomaticdynamiclumbarspinalinstabilitywereselectedfromtheNinthandSecondPeople'sHospitalfromMarch2003toMarch2007・Theyreceiveddorsalspinalstrenosissurgicaldecompression,titaniumJJXAsegmentalpediclescrewfixation,in2rvcr(cbr“lpacebrace,intervertebraldiscresection,withthesidewardandtheforwardannulusfibrosusrctaincd・endplatecartilagezonecuretted,thenreceivedintcrvxrtcbralboneparticlesgraft,andpediclescrewcomprcssion.Thepatientswerefollowedupfbrmorethan15months.Thegoodandexcellentratewas91.3%.JJXAfixedfirmlywithoutrodbreakageorscrewlooseness・Inaddition,therewasnoreductionlost,inflammation,orrejectionreaction,andthebonegraftfusionratewas97.8%・Inthetreatmentoflumbarspinalinstability,JJXAscrew・rodinternalfixationandinterbodyboneparticlesgraftscanobtainimmediatereconstructionofspinestabilityandlong-termbonefusion.QiaoBZ,LiuYX?JinC,YuWZ.TreatmentofdynamiclumbarspinalinstabilitywithJJXAscrew-rodinternalfixationandinterbodyboneparticlegraftsin46cases・ZhongguoZuzhiGongchengYanjiuyuLinchuangKangfu2008;12(44):8689-8692(China)[http://www.crter.cnhttp://en.zglckf.com]QiaoBao-zhong.Associatechief摘要：选择2003-03/2007-03南阳市第九人民医院和南阳市第二人民医院收治的动力性腰椎不稳患者46例，行后正屮入路下的椎管减压手术，钛制JJXA椎弓根螺钉置入•并行椎间隙撑开，双侧切除椎间盘保留侧方以及前方的纤维环，刮除终板的软骨层，行椎间颗粒骨植骨,椎弓根螺钉系统加压固定。46例随访时间M15个月,优良率9l.3%aJJXA固定牢靠,无断钉断棒和螺钉松动现象，无复位丢失，无炎症及排异现象发生，植骨融合率为97.8%o提示JJXA钉棒内固定及椎间颗粒骨植骨治疗腰椎不稳，能够达到即刻腰椎稳定性重建以及长期忖性融介的治疗II的。physician,Deparl-mcnlofOrthopedics,NanyangNinthPeople'sHospilaLNanyang473065,HenanProvince,China关键词：JJXA钉棒系统；腰椎不稳症；椎间植骨；宿主反应；植入体nyqbz@I63.com乔保屮，刘永西，金超，于文忠JJXA钉棒脊柱内固定置入及椎间颗粒骨植骨治疗动力性腰椎不稳症46例[J]•小国组织工程研究与临床康复,2008,12(44):8689-8692[http://www.crter.orghttp://cn.zglckf.com]Received:2O()8-()7-O9Acccplcd:2008-08-231南阳市第九人民医院骨科，河南省南阳市473065;$南阳市第二人民医院骨科•河南省南阳帚473000乔保中，男，1963年生，河南省南阳市人，汉族,1985年新乡医学院毕业，副主任医师，主要从事脊柱外科、创伤骨科研究。nyqbz廻163.com0引言腰稚动力不稳的外科干预是以解除症状为主要治疗目的川。继发于椎间盘退变和突出的动丿J性腰椎不稳，单纯摘除推间盘疗效欠满惹,因英可能导致腰椎进-步不稳和疼柿复发囚。经后路椎板减床基础上同吋行椎间植骨融合是一种较为理想的治疗腰椎不稳及其引起腰椎滑移的方法。但不做内固泄单纯椎间植骨亦存在植骨吸收快、脱出、塌陷以及取骨处带來的并发症等问题叫假关节发生率高达30%〜60%⑷。随着椎弓根螺钉固足的人量应用，脊柱植骨融合率明显提高。作者4年来应用JJXA钉棒脊柱内固疋置入及椎间颗粒骨植骨融合技术治疗动力性腰稚不稳症46例，疗效满意，现报告如下。民页院骨科和南阳市第二人民医院收治动力性腰稚不稳患者46例男21例，女25例；辙25〜72岁，平均48.4岁。纳入标准：①临床症状、体征与影像学相吻合°②患者签署手...