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《胸腰椎经皮椎弓根螺钉置钉的准确性分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、794中国脊柱脊髓杂志2013年第23卷第9期ChineseJournalofineandinalCord,2013,Vo1.23,No.9胸腰椎经皮椎弓根螺钉置钉的准确性分析夏天,董双海,王雷,赵庆华,田纪伟(上海交通大学附属第一人民医院骨科200080上海市)【摘要】目的:分析胸腰椎经皮椎弓根螺钉固定术的置钉准确性。方法:回顾分析2010年7月~2012年12月我院53例胸腰椎经皮椎弓根螺钉固定术患者,男31例,女22例;年龄18~73岁,平均51.2岁。腰椎退变性疾病24例.胸腰椎骨折29例。置钉节段为T8~S1。根据术后CT轴位扫描图像以及患者是否出现椎弓根螺钉相关并发症.将椎
2、弓根螺钉位置分级:0级,螺钉位于椎弓根皮质内;1级,螺钉突破椎弓根骨壁但≤2mm;2级,螺钉突破椎弓根骨壁>2ram,但无神经受压等症状;3级,出现螺钉相关并发症。结果:共置人椎弓根螺钉212枚,平均4.0枚/例。212枚螺钉中,0级175枚(82.5%);1级32枚(15.1%);2级4枚(1.9%);3级1枚(0.5%),患者出现神经受压症状,行翻修术。37枚位置不佳的螺钉中,24枚向内侧切出椎弓根,13枚向外侧切出。结论:胸腰椎经皮椎弓根螺钉固定技术虽置钉位置欠佳率较高,但很少发生2级以上置钉位置不佳者。【关键词】胸椎;腰椎;经皮椎弓根螺钉;置钉准确性doi:10.3969~.i
3、ssn.1004-406X.2013.09.06中图分类号:R687.3文献标识码:A文章编号:1004—406X(2013)一09—0794—04Accuracyofpercutaneouspediclescrewinsertioninthoracicandlumbarspine/XIATian,DONGShuanghai,WANGLei,etal//ChineseJournalofSpineandSpinalCord,2013,23(9):794-797【Abstract】Objectives:Toanalyzetheaccuracyofpereutaneouspediclescr
4、ewsinthoracicandlumbarspine.Methods:53patientstreatedwithpereutaneouspediclescrewinstrumentationinthoracicand/orlumbarspinewereretrospectivelyanalyzedinourhospitalfromJuly2010toDecember2012.Thepatientsagedfrom18to73years(average,51.2years),therewere31malesand22females.Twenty—fourpatientssuffered
5、fromdegen—erativelumbardiseasesandtheother29fromspinalfractures.ThesegmentsofpediclescrewinsertionrangedfromT8toSI.ThepediclescrewaccuracywasgradedbyCTaxialscans,alongwiththeoeeu~enceofscrew—relatedcomplications.GradeO:screwwithincortexofpedicle;grade1:screwthreadbreachofpediclewall≤2ram;grade2:
6、significantbreach>2mmwithnoneurologicalcompromise;grade3:screwrelatedcorn—plications.Results:Totally212screwswereinserted,withanaverageof4.0percase.Amongall212screws,175(82.5%)weregradedintograde0,32(15.1%)intograde1,4(1.9%)intograde2.Onlyonepatientwithgrade3inonescrewdevelopedneurologicalcompro
7、misesandrelivedafterrevisionsurgery.Twenty—fouroutofthe37inaccuratelyplacedpediclescrewsencroachedthepediclefromthemedialwall,while13fromthelateralwal1.Conclusions:Theinaccuracyrateofpereutaneouspediclescrewinsertioninthorac
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