Blunt chest trauma is a rare cause of aortic valve dysfunction. A case of the successful management of traumatic injury to the aortic valve is reported. The aortic valve injury was sustained in an automobile accident despite the use of a seat belt and the deployment of an air bag. The literature is briefly reviewed. Aortic valve injury remains a consideration in cases of automobile-associated c...

Because data are collected for only fatal crashes, it is difŽ cult to accurately measure seat belt and air bag effectiveness. The use of safety devices in uences survival rates which in turn determine whether a crash is included in the sample, leading to sample selection bias. We propose a simple solution to the selection problem: limiting the sample to crashes in which someone in a different ...

Traffic accidents are a reality throughout Brazil. The face is one of the anatomic parts most affected by these accidents, especially when a seat belt is not used. These accidents are costly for the public health system and have a significant impact on society and the lives of families involved. The compulsory use of seat belts in Brazil, especially in São Paulo, has decreased the rate of facia...