新的脊柱-骨盆矢状面测量参数-骶骨骨盆角的提出及意义-尹刚辉

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2014248ChineseJournalofSpineandSpinalCord,2014,Vol.24,No.8:(1973-),,,::(020)62784300E-mail:yghspine@163.com新的脊柱-骨盆矢状面测量参数:骶骨骨盆角的提出及意义尹刚辉1,金大地1,陈方尧2,陈克冰1,张忠民1,黎庆初1(1510630;2510525)【】:-:(sacralpelvicangle,SPA),SPA,。:X(PR)SPA。SPA(PA)、(SS)。111(56,55)XSPA-,:SPA、(TK)、(TLK)、(LL)、SS、(PT)、(PI)、(SVA)、(SSA)、PA、PR-S1(pelvicmorphology)、-(totallumbopelviclordosis,PR-T12)。Pearson。111X80,2SPA5,1SPA5,,(CV)SPA,(introclasscorrelationcoefficient,ICC)。:SPA=PA+SS=90°-PR-S1。SPAPI、PR-S1、PA、PT、SS、SSA(r=0.994,1.000,0.482,0.538,0.699,0.465,P0.05),LL(r=-0.532,P0.05)。SPACV0.0023±0.020.0085±0.053,ICC0.99,P0.010.97,P0.01,ICC0.99,P0.01。:SPA,SPA=PA+SS;SPA;SPAPI,-。【】;;;doi:10.3969/j.issn.1004-406X.2014.08.07:R816.8,R682.3:A:1004-406X(2014)-08-0704-06Sacralpelvicangle:anewpelvicanatomicalparameterforassessingspino-pelvicsagittalbalance/YINGanghui,JINDadi,CHENFangyao,etal//ChineseJournalofSpineandSpinalCord,2014,24(8):704~709【Abstract】Objectives:Tointroduceanewspine-pelvicparameter,sacralpelvicangle(SPA),andtoinvesti-gatethegeometricalvalueofSPAandtoevaluateitscorrelation,reliabilityandreproducibilitycomparedwithotherparametres.Methods:SPAwasdefinedastheanglebetweenPRlineandthelineperpendiculartothesacralendplate.TherelationshipofSPAwithpelvicangle(PA)andsacralslope(SS)wasdeducedwithgeo-metricmethod.Wholespine,standingradiographsof111Chineseadultvolunteersweretaken.Cobbangleandpelvicradiustechniquewereadoptedtomeasurethespino-pelvicsagittalparametersincludingSPA,tho-racickyphosis(TK),thoracolumbarkyphosis(TLK),lumbarlordosis(LL),SS,pelvictilt(PT),pelvicincidence(PI),sagittalverticalaxis(SVA),spino-sacralangle(SSA),PA,pelvicmorphology(PR-S1)andtotallumbopelviclordo-sis(PR-T12).ThecorrelationsamongallparameterswereanalyzedbyPearsoncorrelationanalysis.80radio-graphswererandomlychosenforSPAmeasurementbytwoindependentspinesurgeonsfor5timesatfirstandanother5timesonemonthlater.Coefficientofvariation(CV)wascalculatedtoevaluatethestabilityofSPA,andintroclasscorrelationcoefficient(ICC)wasusedtoreflecttheconsistencyofmeasurementsbythesameobserverandbetweenthetwoobservers.Results:GeometricdeductionconfirmedthatSPA=PA+SS=90°-7042014248ChineseJournalofSpineandSpinalCord,2014,Vol.24,No.8PR-S1.TherewerestatisticallysignificantpositivecorrelationsofSPAwithPI,PR-S1,PA,PT,SS,SSA(r=0.994,1.000,0.482,0.538,0.699,0.465,P0.05).NegativecorrelationwaspresentedbetweenSPAandLL(r=-0.532,P0.05).CVofSPAwas0.0023±0.02and0.0085±0.053forthetwicemearurement.ICCbetweenobserverswas0.99(P0.01)and0.97(P0.01),andICCbetweentwicemeasurementswas0.99(P0.01).Conclusions:SPAisananatomicalparameterwithgoodreliabilityandreproducibility.SPA=PA+SS.ThecorrelationofSPAwithotherparametreswassimilartothatofPIwithotherparametres,whichcanbeadoptedtoassessthespino-pelvicsagittalbalance.【Keywords】Sacralpelvicangle;Spine;Pelvis;Sagittalbalance【Author′saddress】DepartmentofOrthopaedics,theThirdAffiliatedHospitalofSouthenMedicalUniversity,Guangzhou,510630,ChinaX-。(pelvicincidence,PI)PR-S1-,,[1~8],PI,;PR-S1-。,Roussouly[9](sacralslope,SS)PI4;Chanplakorn[10]PR-S13。。:(1)PI(pelvictilt,PT)(HA),PR-S1(pelvicangle,PA)HA;(2)PR-S1SS,。PI=SS+PT,PR-S1=90°-(SS+PA),,。-:(sacralpelvicangle,SPA),SPASS、PA,SPA-,。11.1SPA-X(PR)SPA。SPA-。1.22011~2012,、、223:(1)20~60;(2);(3)。、X。()。111,56,55。20~60,(37±11);144~186cm(165±8cm);45~99kg(61±11kg)。1.3-CobbPRX,:(1)SPA,PR(HA)。(2)(thoracickypho-sis,TK),T1T12,,。(3)(thoracolumbarkyphosis,TLK),T10L2,,。(4)(lumbarlordosis,LL),L1,,。(5)SS,。(6)PT,HA,HA。(7)PI,HA。(8)(sagittalverticalaxis:SVA),C7,C7PL,。(9)PA,HA,HA。(10)(spino-sacralangle,SSA),C7。(11)PR-S1,PR。(12)-(totallumbopelviclordosis,7052014248ChineseJournalofSpineandSpinalCord,2014,Vol.24,No.8PR-T12),PRT12。1.4SPA11180X,36,44,2SPA5,1SPA5,,SPA。1.5IBMSPSS20.0。±(x±s)。Pearson,r。(CV)SPA,(ICC),LandisKoch[11],ICC0.81~1.00,0.61~0.80,0.41~0.60,0.21~0.40,0.20。,α=0.05,P0.05。22.1SPAPASS1。,SS,β,SS+β=90°。α,90°=α+β,α=SS。HA,PRHAPA,PRPA。SPA=PA+α=PA+SS=90°-PR-S1。2.21111。2。SPAPI、PR-S1、PA、PT、SS、SSA(r=0.994,1.000,0.482,0.538,0.699,0.465,P0.05),LL(r=-0.532,P0.05),SVA、TLK(r=0.234,-0.281,P0.05),PR-T12TK(r=0.177,0.08,P0.05)。2.3SPA50.25°±7.84°、50.44°±7.64°,SPA50.04°±7.72°、50.01°±7.72°;21111-(n=111)Table1Thevalueofspinopelvicparametersin111volunteersParameters±x±sRangeSPA(°)Sacralpelvicangle49.95±8.3528.42~72.83LL(°)Lumbarlordosis-48.75±10.03-68.6~-21.2TK(°)Thoracickyphosis36.03±7.3417.8~56.5TLK(°)Thoracolumbarkyphosis6.4±7.43-12.85~23.43SS(°)Sacralslope33.57±7.6414.07~52.18PI(°)Pelvicincidence44.75±9.0124.69~70.52SSA(°)Spino-sacralangle127.32±8.98106.25~153.92SVA(mm)Sagittalverticalaxis-2.66±22.79-65.81~44.73PA(°)Pelvicangle16.38±6.231.84~37.15PT(°)Pelvictilt11.18±6.60-3.93~31.75PR-S1(°)-40.05±8.35-61.58~-17.17-PR-T12(°)Totallumbopelviclordosis-86.28±9.39-117.5~-63.81SPAPASS(90°=SS+β,90°=α+β;α=SS。PA。SPA=PA+SS=90°-PR-S1)Figure1GeometricdiagramforSPA=PA+SS(TheanglebetweenthetangentlinealongtheS1endplateandS1endplateperpendicularlinewas90°,whichwasequaltoSS+β.Theanglebetweenhorizontallineandverticallinewas90°,whichwasequaltoα+β.Soα=SS.Thegreenangleswerealterna

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