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Studies ID Key Predictors of Post-Traumatic Stress Disorder

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on March 25, 2011

Key Predictors of Post-Traumatic Stress DisorderAdvances in predicting who may be at risk for developing post-traumatic stress disorder (PTSD) are at the heart of two new studies, one that identifies a specific genetic risk factor, and another that describes a new tool for assessing PTSD potential after a traumatic event.

Led by Joseph Boscarino, Ph.D., M.P.H., senior investigator for the Geisinger Center for Health Research, the first study finds that individuals with a certain set of “at risk” genes were at seven times higher risk for PTSD than those without the genes.

“We found that individuals with these ‘at risk’ genes were more likely to develop PTSD, especially when associated with a higher exposure to traumatic events or greater exposure to childhood adversity,” said Boscarino. “They say what doesn’t kill you makes only you stronger, but what we’ve found is that the opposite may actually be the case if you have the PTSD risk genes.”

Boscarino adds that screening individuals for these genetic factors in the future may lead to better post-trauma treatments and genetic counseling related to career options in the military or in the civil services, such as police work or firefighting.

In a related study, Boscarino and his team developed a PTSD prediction tool that can be used in clinical practice after traumatic event exposures.

After collecting information from more than 2,300 adults following the September 11, 2001 terrorist attack on the World Trade Center, Boscarino’s team examined various clinical factors including stressor exposures, psychosocial resources, functional status, depression, suicidal thoughts, PTSD symptoms and demographics to evaluate different PTSD prediction models.

The team then developed a simple 10-item prediction tool that included core PTSD symptoms, depression symptoms, personal physician status, sleep disturbance and trauma history.

Findings show the tool is highly successful in predicting PTSD following traumatic exposures in different clinical populations, including a sample of chronic pain outpatients and a sample of Level-I trauma patients discharged from Geisinger Clinic.

“Until now there’s been no easy-to-use tool to help clinicians rapidly identify PTSD in patients in routine practice or after a traumatic event,” said Boscarino. “We now have a 10-step process that can accurately and quickly identify PTSD cases from non-cases and facilitate the most appropriate therapy.”

The studies will be presented at The Anxiety Disorders Association of America 31st Annual Meeting in New Orleans on March 25 and 26.

Source: Geisinger Health Care System

 

APA Reference
Nauert, R. (2011). Studies ID Key Predictors of Post-Traumatic Stress Disorder. Psych Central. Retrieved on December 20, 2014, from http://psychcentral.com/news/2011/03/25/studies-id-key-predictors-of-post-traumatic-stress-disorder/24693.html