资源描述：
《骨折总原则-General-Principles-of-Fracturesppt课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、GeneralPrinciples ofFracturesDepartmentofOrthopaedicSurgeryLiuXueyong(刘学勇）IntroductionDefinitionAfractureindicatesdisruptionofthecontinuityorintegrityofboneEtiologydirecttraumaindirecttraumabytransmissionofstress:e.g.fractureofclaviclebymuscular(quardric
2、eps)contraction:e.g.fractureofpatellacontinuousstress(fatiguefracture):e.g.fractureoflower1/3fibularshaft,fractureofthe2ndand3rdmetatarsalbonepathologicalfracture:becauseofcorticaldesruptionwhichresultedfrombonediseasessuchasosteomyelitisandbenign,malign
3、ant,ormetastaticlesionsofbone,thefracturehappenedwithslighttraumaClassificationclosefracture:theendoffracturedidnotcommunicatewiththeenvironmentopenfracture:theendoffracturecommunicatedwiththeenvironment,e.g.pubicfracturewithbladderorurethrainjury,coccyx
4、fracturewithrectalinjuryincompletefracture:crack(fissure)fractureandgreenstickfracture(inchildren)completefractureCompletefracturetransversefractureobliquefracturespiralfracturecomminutedfracture:TorYtypeorbutterflyimpactedfracturecompressionfracture:e.g
5、.vertebralbodyorcalcaneusfracturesunkenfracture:skullfractureepiphysealinjuryStablefracture:crack,greenstick,transverse,compressive,impactedfractureUnstablefracture:easilydisplace,e.g.obliquefracture,spiralfracture,comminutedfractureOTAclassificationoflo
6、ngbonefracturesTaylorandMartinproposedaclassificationofmetaphysealfractures(SUD)inwhichthemainfractureischaracterizedasstable(S),unstable(U),orwithdiaphysealextension(D).Thesearefurtherdividedintothreesubtypes:0,extraarticular;1,lessthan2mmofdisplacement
7、;and2,morethan2mmofdisplacementClassificationof metaphysealfractures (SUD)DisplacementoffractureangulardisplacementlateraldisplacementshorteningdisplacementseparateddisplacementrotationaldisplacementClinicalfindingsandRadiologicalfindingsSystemicfeatures
8、Shock:resultingfromlossofbloodinpatientswithpelvic,femoralormultiplefracture,severeopenfractureorfracturecomplicatingwithvitalviscrealinjuryFever:resultingfromabsorptionofhematoma,usually<38ºloss of blood (ml)Localfeatures
