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Changes in pain perception after treatment for chronic pain
Robert M Malow1, Ronald E Olson
1University of Illinois at the Medical Center, Temporomandibular Joint and Facial Pain Research Center, 801 S. Paulina, Chicago, Ill. 60612 U.S.A.
Pain
|August 1, 1981
Summary
Treatment improved pain perception in myofascial pain dysfunction (MPD) syndrome patients. Improved patients showed higher pain thresholds and discrimination, while unimproved patients had no changes, indicating treatment effectiveness.
Area of Science:
- Pain research
- Neurology
- Rehabilitation medicine
Background:
- Myofascial pain dysfunction (MPD) syndrome is a chronic pain condition.
- Understanding treatment effects on pain perception is crucial.
Purpose of the Study:
- To evaluate changes in pain perception after treatment in MPD patients.
- To compare outcomes between improved and unimproved patient groups.
Main Methods:
- Assessed pain threshold, sensitivity, response bias, and discriminative ability.
- Measured these parameters before and after treatment.
- Compared 15 improved and 15 unimproved MPD patients.
Main Results:
- No baseline differences were observed between groups.
- Improved group: increased pain threshold, sensitivity, and discrimination.
- Improved group: decreased response bias to report pain.
- Unimproved group: no significant changes observed.
Conclusions:
- Treatment positively impacts pain perception in MPD syndrome.
- Objective measures of pain perception improved in successfully treated patients.
- Treatment may alter sensory processing and reporting bias in chronic pain.