Education as Treatment for Chronic Pain in Survivors of Trauma in Cambodia: Results of a Randomized Controlled Outcome Trial

Uwe Harlacher, Peter Polatin, Sopheap Taing, Pich Phana, Phaneth Sok, Chim Sothera

Abstract


Based on the hypothesis that pain is a stand-alone problem, not just a symptom of Post-Traumatic Stress Disorder (PTSD), the effect of group psycho-education (“pain school”) for survivors of the Khmer Rouge regime with pain-PTSD comorbidity was tested in Cambodia in 2015. After baseline assessment comprising pain-related measures (Brief Pain Inventory, Disability Rating Index) and measures for PTSD, anxiety, depression, and distress, 113 subjects were randomized to a waitlist control group (CG, n = 58) and a treatment group (TG, n = 55). After treatment TG improved significantly, with clinically relevant effect size. Effect size was, however, substantially lower than in two prior pilot trials, and the improvement was not maintained at six-month follow-up. The main reason for this is hypothesized to be that the intervention had been delivered in too condensed a format. It is concluded that treatment addressing pain can also ameliorate mental health problems, implying that more attention should be paid to pain treatment for subjects suffering from pain/PTSD comorbidity.

Keywords


pain school, chronic pain treatment, PTSD and persistent pain, trauma and pain, randomized controlled outcome trial in developing country

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DOI: 10.4119/UNIBI/ijcv.655

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