Trauma Systems: Origins, Evolution, and Current Challenges.

Trauma is the leading cause of death among patients 46 years or younger, and having a system in place for the care of the injured is of paramount importance to the health of a community. The growth and development of civilian trauma systems has not been an easy process. The concept of regionalized health care that the trauma system models has been emulated by other specialized and time-sensitive areas of medicine, notably stroke and acute cardiac events. Continued process improvement, public education, support and involvement, a sound infrastructure, and integrated technology should remain our focus.