Verification and regionalization of trauma systems: the impact of these efforts on trauma care in the United States.

Efforts to develop trauma systems in the United States followed the publication of the landmark article, "Accidental Death and Disability: The Neglected Disease of Modern Society," by the National Academy of Sciences (1966) and have resulted in the implementation of a system of care for the seriously injured in most states and within the US military. In 2007, Hoyt and Coimbra published an article detailing the history, organization, and future directions of trauma systems within the United States. This article provides an update of the developments that have occurred in trauma systems in system verification and regionalization.