Behavioural treatment for chronic low-back pain

Area of Science:

• Pain Management
• Behavioral Medicine
• Rehabilitation

Background:

• Behavioral treatment is a common approach for chronic low-back pain (CLBP), aiming to reduce disability by modifying maladaptive pain behaviors and cognitive processes.
• Key behavioral approaches include operant, cognitive, and respondent therapies, often utilized in combination as a treatment package.

Purpose of the Study:

• To evaluate the overall effectiveness of behavioral therapy for CLBP.
• To identify the most effective specific behavioral approach for managing CLBP.

Main Methods:

• A systematic review and meta-analysis of randomized controlled trials (RCTs) was conducted.
• Searches were performed across major databases (Cochrane Back Review Group Trials Register, CENTRAL, MEDLINE, EMBASE, PsycINFO) up to February 2009.
• Risk of bias was assessed using the GRADE approach, and meta-analysis was performed where study homogeneity allowed.

Main Results:

• Thirty RCTs involving 3438 participants were included; 47% had a low risk of bias.
• Moderate evidence suggests operant therapy is more effective than a waiting list for short-term pain relief (SMD -0.43).
• Behavioral therapy showed short-term superiority over usual care (MD -5.18), but no significant long-term differences were found compared to group exercise for pain or depressive symptoms.

Conclusions:

• Short-term pain relief is supported by moderate evidence for operant therapy and behavioral therapy over usual care.
• No single behavioral therapy type demonstrated superiority over others for pain relief.
• Long-term effectiveness shows little difference between behavioral therapy and group exercises for pain or depressive symptoms, indicating a need for further research.