陈旧性bennett骨折的处理课件

1、Bennetts Fracture of theThumbBennetts Fracture of theThumb Department of Hand Surgery YingChuan GuoLong Hospital ChunYan Huang MD 1 v The fracture described by Edward Hallaran Bennett in 1882, however, is an unstable oblique fracture entering the carpometacarpal joint at about the middle of the arti

2、cular surface DefinitionDefinition 2 CompositionComposition 3 4 FructionFruction 5 Damage mechanismsDamage mechanisms A Bennetts fracture occurs when the metacarpal bone in the thumb breaks and disloc ates at the base of the thum b. This injury occurs when a force is placed on the thumb when it is s

3、lightly bent. Ben netts fractures can result fro m any significant forces plac ed on the base of the thumb, such as sports, falls and acc idents 6 TreatmentFresh injuryTreatmentFresh injury ProblemJoint instabilityProblemJoint instability Your doctor will evaluate your x-rays to determine the appro

4、priate treatment for the injury. If the joint surface is lined up well, a cast can be used for tr eatment. If the joint surface is out of position, usually surger y will be recommended. At th e time of surgery, your doctor will determine if the bones ca n be held in place with pins pl aced through t

5、he skin. If not, an incision is made to properl y align the bone fragments. 7 TreatmentTreatmentChronic injuriesChronic injuries v Arthrodesis Compared v Ligament Reconstruction and Tendon Interposition Thumb Carpometacarpal Osteoarthritis: Arthrodesis Compared Thumb Carpometacarpal Osteoarthritis: Arthrodesis Compared with Ligament Reconstruction and Tendon Interposition with Ligament Reconstruction and Tendon Interposition The Journal of Bone and Joint Surgery (American) 83:1470-1478 (2001)