查看文章

Background The most prominent disorder related to traumatic experiences is posttraumatic stress disorder (PTSD) that has specific symptoms which occur in response to trauma exposure as determined by the Diagnostic Staticall Manual (DSM). Among individuals exposed to trauma, approximately 25% to 30% develop PTSD with the rate of the disorder depending on the experience of trauma. 1 PTSD is often caused by traumatic events like sexual abuse, physical maltreatment, car accidents, criminal attacks, bombings, rape or torture. 2

It has been estimated that most Americans (81.7%) will be exposed to a trauma during their lifetime3 and 6.8% will meet criteria for PTSD at some point in their lives. 4 Epidemiologic community surveys in war-torn areas found PTSD point prevalence rates between 15% and 50% among different refugee populations. 5