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Investigating Pain-Related Avoidance Behavior using a Robotic Arm-Reaching Paradigm
Published on: October 3, 2020
Cognitive exposure versus avoidance in patients with chronic pain: adherence matters
M K Nicholas1, A Asghari, L Sharpe
1Pain Management Research Institute, University of Sydney at Royal North Shore Hospital, Australia.
European Journal of Pain (London, England)
|August 14, 2013
Summary
Adding interoceptive exposure (IE) to cognitive behavioural therapy (CBT) did not improve chronic pain outcomes. Higher adherence to either IE or distraction strategies was linked to better results, suggesting treatment engagement is key.
Area of Science:
- Pain Management
- Clinical Psychology
- Behavioral Medicine
Background:
- Behavioral exposure methods aim to reduce pain-avoidance, but results vary.
- Cognitive (experiential) avoidance during exposure may explain inconsistent outcomes.
- Interoceptive exposure (IE) involves sustained attention to pain sensations.
Purpose of the Study:
- To investigate if IE improves outcomes when added to cognitive behavioural therapy (CBT) for chronic pain.
- To compare CBT with IE versus CBT with distraction in chronic pain patients.
Main Methods:
- 140 chronic pain patients were randomized to CBT + IE or CBT + distraction.
- Outcomes included pain, disability, depression, medication use, and pain threat measures.
- Intention-to-treat analysis used mixed-effects models and conventional statistics up to 1-year post-treatment.
Main Results:
- Both treatment groups showed significant improvements in all outcome measures.
- No significant differences were found between the CBT + IE and CBT + distraction groups.
- Improvements were observed in pain, disability, depression, and pain-related threat perception.
Conclusions:
- Adding IE to behavioral exposure did not enhance outcomes for chronic pain patients.
- Higher adherence to attentional strategies (IE or distraction) correlated with larger effect sizes.
- Increasing adherence to treatment strategies, potentially through motivational interventions, may improve overall treatment effectiveness.
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