股骨颈骨折全英文教学版陈芒芒

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1、FemoralNeckFractures---achangingparadigmDepartmentofOrthopaedics---MangmangChenDefinition1oneofthemostcommonlytreatedorthopaedicinjuries,3.58%2increasingnumberoffemoralneckfractures.LongerlifespanofpatientsIncreasedactivityofpatientsOsteoporosis3(这里可以放一些图片)Demographics:M

2、ost>75yOver1millionfemoralneckfracturesweretreatedinthe>65yearoldpopulationintheUSBetween1991-2008.(有一张图片最好，地图分布图)HipFractures:DemographicsVeryheterogeneouspatientpopulationCanrangerfromindependentmobile,healthyelderlypatientsVarydegressofdementia(1分38的时候看不懂)110°~140°，ave

3、rage127°。>140°coxavalgus<110°coxavaraAnatomyCollodiaphysialangleAxis…AnatomyCollodiaphysialangleAxis…Elderlypeople：indirectviolence——lowenergydamageYoungadults：indirectviolence——highenergydamagenonunion10％－20％（shearforcegreater），AVN20％－40％（Bloodsupply）femoralneck antevers

4、ionTheaxisofthefemoralneckandfemoralcoronaryformingAngle,12°~15°Anatomy①Smallartery：Femoralheadroundligament，1/20②shaftofthefemur;nutrientartery③the artery ring onthe fundus of neck of femur：medialfemoralcircumflexartery;lateralfemoralcircumflexartery;Themainsource，2/3－4/

5、5AnatomyBloodsupplyBloodsupplyAnatomymedialfemoralcircumflexartery---AVNthemainfactorthe artery ring onthe fundus of neck of femurAccordingtothelocationclassificationfracturelines closertothefemoralheadRichbloodsupplyPoorbloodsupply---rateofthenecrosisFractureend;Contacta

6、reaAccordingtoX-rayFormedbyfracturelineandhorizontalline(IliacCreast)thegreatertheangle;compressivestress;fractureend;contactarea;unstableclassificationPauwelsangleabductiontype：Pauwelsangle<30°stableintermediatetype：30°50°unsta

7、bleclassificationthe degree of displacement of fractureTypeⅠ:incompletefracture5TypeII：completefracture,Notdisplaced18TypeIII：completefracture，partiallydisplaced28TypeIV：completefracture,completelydisplaced38---1994Generally,thegreaterthedisplacement,thegreaterriskof…Gard

8、enclassificationClinicalmanifestationanddiagnoseMedicalhistory：historyoftraumaPhysicalsign：1.mal