• Andrew Pike, Leslie Hearn, and Amanda C de C Williams.
• Research Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom Pain Research and PaPaS Cochrane Review Group, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.
• Pain. 2016 Apr 1; 157 (4): 777-785.

AbstractPsychological interventions for chronic pain and its consequences have been shown to improve mood, disability, pain, and catastrophic thinking, but there has been no systematic review specifically of their effects on health care use or time lost from work as treatment outcomes in mixed chronic pain. We conducted a systematic review and meta-analysis to evaluate the effectiveness of psychological therapies for chronic pain (excluding headache) in adults for these outcomes. We used searches from 2 previous systematic reviews and updated them. Eighteen randomized controlled trials were found that reported health care use (15 studies) and work loss (9 studies) as outcomes. Fourteen studies provided data for meta-analysis. There were moderate effects for psychological interventions compared with active controls, treatment as usual and waiting list controls in reducing health care use, with confidence in the findings. No benefits were found for medication reduction, but with less confidence in this result. Analysis of work loss showed no significant effects of psychological interventions over comparisons, but the use of many different metrics necessitated fragmenting the planned analyses, making summary difficult. The results are encouraging for the potential of routine psychological intervention to reduce posttreatment health care use, with associated cost savings, but it is likely that the range and complexity of problems affecting work necessitate additional intervention over standard group psychological intervention.

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