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ABSTRACT FROM: Polusny MA. Mindfulness-based stress reduction for posttraumatic stress disorder among veterans: a randomized clinical trial. JAMA 2015;314:456–65.
What is already known on this topic
Of six major international post-traumatic stress disorder (PTSD) treatment guidelines, only two mention mindfulness-based treatments, and none recommend their routine use.1 ,2 Few mindfulness-based intervention studies exist for PTSD, and all have significant limitations in design, outcome measures and/or data handling.1 However, these interventions remain widely used. A core-component of PTSD treatment addresses autonomic hyperarousal, and many clinicians apply mindfulness techniques for this or in facilitating treatment for patients too avoidant for trauma-focused psychotherapies (TFPs).
Methods of the study
This was a 17-week RCT involving 116 US Veteran's Association participants, comparing group mindfulness-based psychotherapy against group present-centred psychotherapy. The primary outcome, change in symptom severity, was assessed using the PTSD checklist (PCL; range, 17–85 with higher scores indicating more severe symptoms). As a secondary efficacy outcome, the Clinician-Administered PTSD Scale (CAPS) was …
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