Related Experiment Videos
Muscle relaxants for non-specific low back pain
M W van Tulder1, T Touray, A D Furlan
1Institute for Research in Extramural Medicine, Vrije Universiteit, van der Boechorststraat 7, Amsterdam, Netherlands. mw.van_tulder.emgo@med.vu.nl
The Cochrane Database of Systematic Reviews
|June 14, 2003
Summary
Muscle relaxants effectively treat acute low back pain short-term, but carry increased risks of adverse events. Use with caution, as further research is needed to compare them with other pain relievers.
Area of Science:
- Pharmacology
- Pain Management
- Evidence-Based Medicine
Background:
- The efficacy and safety of muscle relaxants for non-specific low back pain remain debated.
- Concerns exist regarding potential adverse effects associated with muscle relaxant use.
Purpose of the Study:
- To systematically review the effectiveness of muscle relaxants in treating non-specific low back pain.
- To assess the evidence for muscle relaxants compared to placebo in pain relief and global efficacy.
Main Methods:
- A comprehensive literature search was conducted across major databases (Cochrane Library, MEDLINE, EMBASE).
- Inclusion criteria focused on randomized, double-blinded controlled trials of muscle relaxants for non-specific low back pain.
- Data were analyzed using both quantitative (statistical pooling) and qualitative (best evidence synthesis) methods.
Main Results:
- Strong evidence indicates muscle relaxants are more effective than placebo for short-term pain relief in acute low back pain.
- Non-benzodiazepine muscle relaxants showed significant improvements in pain relief (RR 0.80) and global efficacy (RR 0.49).
- However, adverse events were significantly more prevalent (RR 1.50), particularly central nervous system effects (RR 2.04).
Conclusions:
- Muscle relaxants are effective for managing non-specific low back pain, particularly in the short term.
- The increased incidence of adverse effects necessitates cautious use of these medications.
- Further trials are recommended to compare muscle relaxant efficacy against analgesics and non-steroidal anti-inflammatory drugs.