中国组织工程研究第20卷第35期2016–08–26出版ChineseJournalofTissueEngineeringResearchAugust26,2016Vol.20,No.35ISSN2095-4344CN21-1581/RCODEN:ZLKHAH5263·研究原著·张义龙,男,1978年生,河北省深泽县人,汉族,2001年河北医科大学毕业,硕士,副主任医师,主要从事脊柱外科方面的研究。通讯作者:孙贺,主任医师,承德医学院附属医院脊柱外科,河北省承德市067000中图分类号:R318文献标识码:B文章编号:2095-4344(2016)35-05263-07稿件接受:2016-06-06椎体成形后新发椎体压缩骨折:与骨质疏松及脊柱矢状位序列失衡有关张义龙,任磊,孙志杰,王雅辉,孙贺(承德医学院附属医院脊柱外科,河北省承德市067000)引用本文:张义龙,任磊,孙志杰,王雅辉,孙贺.椎体成形后新发椎体压缩骨折:与骨质疏松及脊柱矢状位序列失衡有关[J].中国组织工程研究,2016,20(35):5263-5269.DOI:10.3969/j.issn.2095-4344.2016.35.014ORCID:0000-0001-9026-5050(孙贺)文章快速阅读:文题释义:经皮椎体成形术:指应用穿刺针经皮穿刺通过椎弓根(或椎弓根外)向椎体内注入骨水泥,以达到增加椎体强度和稳定性,缓解疼痛,防止椎体进一步塌陷,甚至部分恢复椎体高度为目的的一种微创脊柱外科技术。其适应证主要有:椎体骨质疏松性压缩骨折、椎体血管瘤、骨髓瘤、椎体原发及转移性恶性肿瘤以及部分椎体良性肿瘤。脊柱矢状位失衡:在矢状位上,脊柱有无整体失衡主要取决于骶骨后上角和C7椎体中心的垂直位置,一般采用C7椎体中点铅垂线(C7PL)至骶骨后上角距离与骶股间距(SFD)的比值来评估有无矢状位失衡,当C7PL位于骶骨后上角后方时该值为负,C7PL位于骶骨后上角前方时该值为正,位于髋关节中心前方时该值1。正常情况下,该值范围为-0.9±1,该比值≤0为理想的平衡状态,0比值≤0.5为平衡代偿,比值0.5为失衡状态。摘要背景:有关椎体成形术后或球囊扩张椎体后凸成形术后出现新发椎体骨折的报道近年来逐渐增多,究竟新发椎体骨折是骨水泥强化后导致,还是骨质疏松自然发展的结果,一直存在争议。目的:观察骨质疏松性椎体压缩骨折经过保守治疗和骨水泥强化治疗后新发骨折的情况,分析新发骨折与脊柱矢状位参数的关系,探索新发椎体骨折的危险因素。方法:选择2011年6月至2014年12月于承德医学院附属医院脊柱外科收治的胸腰椎骨质疏松性椎体压缩骨折患者160例,根据治疗方案分为2组,观察组80例行椎体成形术或椎体后凸成形术,对照组80例行保守治疗。观察组术后1d、对照组下地活动后摄脊柱全长正侧位X射线片,记录指标包括骨密度、随访期间新发椎体骨折数目和位置以及矢状位参数,对观察指标进行组间比较。末次随访后,2组病例总数按有无新发骨折再次分为2组,比较新划分的2组病例的指标差异,分析椎体新发骨折和脊柱矢状位参数之间的关系。结果与结论:①两治疗组间性别、年龄、体质量指数、骨密度、骨盆指数、骶骨斜坡、骨盆倾斜度、胸椎后凸角、腰椎前凸角、C7矢状位比值以及新发骨折发生率比较,差异均无显著性意义(P0.05);②新发椎体骨折组与非骨折组间性别、年龄、体质量指数、骨盆指数、腰椎前凸角比较,差异无显著性意义;骨密度、骶骨斜坡值、骨盆倾斜度、胸椎后凸角、C7矢状位比值2组间差异均有显著性意义(P0.05);③结果验证,骨质疏松性椎体压缩骨折经过椎体成形术、椎体后凸成形术或保守治疗后新发椎体压缩骨折,与骨质疏松及脊柱矢状位序列失衡有明确的相关性。椎体成形后新发椎体压缩骨折与脊柱矢状位失衡的关系对象:椎体成形治疗椎体骨质疏松性压缩骨折患者80例为观察组;同期保守治疗80例作为对照组。对2组病例矢状位参数等数据进行统计分析。末次随访后,2组病例总数按有无新发骨折再次分为2组,比较新划分的2组病例的指标差异;分析椎体新发骨折和脊柱矢状位参数之间的关系。对所有受试对象治疗后拍脊柱全长侧位X射线片。记录脊柱矢状位参数试验结果:两治疗组间性别、年龄、体质量指数、骨密度、矢状位影像学参数以及新发骨折发生率比较,差异均无显著性意义(P0.05);新发椎体骨折组与非骨折组间指标骨密度、骶骨斜坡角、骨盆倾斜度、胸椎后凸角、C7矢状位比值比较,差异有显著性意义(P0.05)。张义龙,等.椎体成形后新发椎体压缩骨折:与骨质疏松及脊柱矢状位序列失衡有关P.O.Box10002,Shenyang110180:SunHe,Chiefphysician,DepartmentofSpineSurgery,theAffiliatedHospitalofChengdeMedicalCollege,Chengde067000,HebeiProvince,China关键词:骨科植入物;脊柱植入物;胸腰椎;骨盆;骨质疏松;椎体压缩骨折;邻椎骨折;矢状位参数;椎体成形术;放射摄影术主题词:胸椎;腰椎;骨盆;骨质疏松;骨折,压缩性;椎体成形术;组织工程基金资助:承德医学院附属医院科研青年基金(201406)“脊柱矢状位影像学参数与椎体骨质疏松性骨折的相关性分析”Newvertebralcompressionfracturesaftervertebroplasty:associationwithosteoporosisandspinalsagittalimbalancesZhangYi-long,RenLei,SunZhi-jie,WangYa-hui,SunHe(DepartmentofSpineSurgery,theAffiliatedHospitalofChengdeMedicalCollege,Chengde067000,HebeiProvince,China)AbstractBACKGROUND:Recentreportaddressingnewvertebralfractureaftervertebroplastyorballoonkyphoplastyhasincreasedgradually.Itremainscontroversialwhethernewvertebralfractureisinducedbybonecementaugmentationorosteoporosis.OBJECTIVE:Toobservenewvertebralfractureafterconservativetreatmentandbonecementaugmentationforosteoporoticvertebralcompressionfractures,analyzetherelationshipbetweennewvertebralfractureandspinalsagittalparameters,andexploretheriskfactorsfornewvertebralfracture.METHODS:FromJune2011toDecember2014,160patientswithosteoporoticvertebralcompressionfracturesinthoracicandlumbarvertebraewereselectedfromtheDepartmentofSpineSurgery,theAffiliatedHospitalofChengdeMedicalCollege.Accordingtotherapeuticregimen,thepatientsweredividedintotwogroups.Theobservationgroup(n=80)receivedvertebroplastyorkyphoplasty.Thecontrolgroup(n=80)underwentconservativetreatment.At1dayaftersurgeryintheobservationgroupandafterwalkinginthecontrolgroup,patientsweresubjectedtoanteroposteriorandlateralX-rayintheentirelengthofthespine.Bonemineraldensity,numberandlocationofnewvertebralfracturesandsagittalparametersduringfollow-upwererecordedandcomparedbetweengroups.Afterfinalfollow-up,accordingtotheappearanceofnewvertebralfracture,patientsinbothgroupswereassignedtotwosubgroups.Thedifferenceinaboveindicatorswascomparedbetweenthetwosubgroups.Therelationshipbetweennewvertebralfractureandspinalsagittalparameterswasanalyzed.RESULTSANDCONCLUSION:(1)Therewerenostatisticallysignificantdifferencesingender,age,bodymassindex,bonemineraldensity,pelvicindex,sacralslope,pelvictilt,thoracickyphoticangle,lumbarlordoticangle,C7/sacro-femoraldistanceratioandoccurrencerateofnewfracturesbetweenthetwotreatedgroups(P0.05).(2)Therewerenostatisticallysignificantdifferencesingender,age,bodymassindex,pelvicindex,andlumbarlordoticanglebetweennewvertebralfracturegroupandnon-fracturegroup.Therewerestatisticallysignificantdifferencesinbonemineraldensity,sacralslope,pelvictilt,thoracickyphoticangleandtheC7/sacro-femoraldistancebetweenthenewvertebralfracturegroupandthecontrolgroup(P0.05).(3)Resultsconfirmedthatnewvertebralcompressionfracturesaftervertebroplasty,Kyphoplastyorconservativetreatmentforosteoporoticvertebralcompressionfracturesweredefinitelyassociatedwithosteoporosisandspinalsagittalimbalance.Subjectheadings:ThoracicVertebrae;LumbarVertebrae;Pelv