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Do multiple session early psychological interventions starting within 3 months of a traumatic event prevent post-traumatic stress disorder (PTSD)?
Rates of PTSD (measured by standard classification systems).
Systematic review with meta-analysis.
MEDLINE, EMBASE, CLINPSYCH, PSYCHLIT, PILOTS, LILACS, SOCIOFILE, CINAHL and the Cochrane Depression, Anxiety and Neurosis Group Trials Registers were searched from inception to August 2008 for randomised controlled trials (RCTs). The Journal of Traumatic Stress and the Journal of Consulting and Clinical Psychology were hand searched, as were reference lists of identified studies. Experts in the field were also contacted.
Study selection and analysis:
Two reviewers appraised the studies and selected RCTs of multiple session (two or more treatments) early psychological interventions or treatments designed to prevent PTSD in adults who had suffered a traumatic event within 3 months. Traumatic events were defined as threatened death, serious injury or a threat to the physical integrity of the self or others (criterion A1 of DSM-IV for PTSD). Psychological …
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