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Published on: March 8, 2018
Posttraumatic intrusive symptoms across psychiatric disorders
Richard A Bryant1, Meaghan L O'Donnell, Mark Creamer
1School of Psychology, University of New South Wales, Sydney NSW 2052, Australia. r.bryant@unsw.edu.au
Journal of Psychiatric Research
|December 17, 2010
Summary
Reexperiencing symptoms like intrusive memories are common in many trauma disorders. However, flashbacks and dissociative amnesia specifically indicate posttraumatic stress disorder (PTSD).
Area of Science:
- Psychiatry
- Trauma Studies
- Clinical Psychology
Background:
- Reexperiencing symptoms are a hallmark of posttraumatic stress disorder (PTSD).
- Understanding these symptoms in other trauma-related conditions is crucial for accurate diagnosis.
- This study examines reexperiencing patterns in patients with non-PTSD posttraumatic disorders.
Purpose of the Study:
- To investigate the specific patterns of reexperiencing symptoms in patients diagnosed with non-PTSD posttraumatic disorders.
- To differentiate symptom presentation between PTSD and other trauma-related psychiatric conditions.
- To identify symptoms uniquely associated with PTSD.
Main Methods:
- Recruited 1084 traumatically injured patients at hospital admission.
- Conducted follow-up assessments 12 months post-injury with 817 participants (75% retention).
- Assessed psychiatric disorders and reexperiencing symptom patterns.
Main Results:
- Twelve months post-injury, 22% of patients developed a new psychiatric disorder.
- One-third of patients with non-PTSD disorders met PTSD reexperiencing criteria.
- Intrusive memories, nightmares, distress, and physiological reactivity were common across disorders.
- Flashback memories (OR: 11.41) and dissociative amnesia (OR: 4.50) were distinctive to PTSD.
Conclusions:
- Intrusive memories and physiological reactions to trauma reminders are not exclusive to PTSD.
- Flashback memories and dissociative amnesia are key distinguishing features of PTSD.
- Differentiating these symptoms is vital for accurate diagnosis and treatment of posttraumatic disorders.
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