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Screening for chronic PTSD after disasters: The gap between self-reported posttraumatic stress and PTSD cases in psychiatric services
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, National Center for Disaster Psychiatry. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Psychiatry, University Hospital.ORCID iD: 0000-0001-7062-1011
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, National Center for Disaster Psychiatry. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Psychiatry, University Hospital.ORCID iD: 0000-0002-1317-2093
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Psychiatry, University Hospital.ORCID iD: 0000-0003-2506-6527
2017 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Introduction: Screening disaster survivors for mental health problems after initial recovery may detect unrecognized cases of chronic PTSD. This presentation compares published findings of PTSD prevalence after the 2004 tsunami among exposed Swedish adult survivors.

Method: Register data were collected for psychiatric diagnoses made in specialized healthcare for 8762 Swedish adults with various levels of disaster exposure. Posttraumatic stress (PTS) was assessed and exposure established for 2268 individuals who filled out the Impact of Event Scale–Revised (IES-R) in surveys at 1, 3, and 6 years post-disaster. A subset of directly exposed participants (n=142) were assessed for current and post-disaster PTSD with SCID interviews.

Results: In the survey sample, 5% of participants reported very high and 11% reported high levels of PTS across all surveys. The post-disaster prevalence of PTSD was 11.3% in the interview sample. In healthcare services, the 5-year incidence was 0.5% for PTSD and 2.1% for any stress-related disorder. Findings suggested that the IES-R possessed good screening properties, e.g., sensitivity ≥ 0.92.

Discussion: These studies indicate large differences between the PTS load among survivors and the number of PTSD cases in healthcare services, making a case for individual symptom screening. Yet, screening for chronic PTSD with current methods will yield a substantial numbers of incorrectly classified survivors (640 false positives in this sample), providing challenges to psychosocial follow-up services.

Part of symposium: Screening for mental health after trauma in children and adults: importance, instruments, & innovations

Place, publisher, year, edition, pages
2017.
National Category
Psychiatry
Identifiers
URN: urn:nbn:se:uu:diva-382948OAI: oai:DiVA.org:uu-382948DiVA, id: diva2:1314056
Conference
The 15th European Society for Traumatic Stress Studies Conference, Child Maltreatment - What do we know? Where do we go from here?, Odense, Denmark, June 2-4
Available from: 2019-05-07 Created: 2019-05-07 Last updated: 2019-10-24

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Bondjers, KristinaArnberg, FilipWillebrand, Mimmie

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