This study aims to compare the effects of pulsed radiofrequency and drying needling and explore the short-term effect of pulsed radiofrequency in treating myofascial pain patients.
Age 18-70 years old, gender unlimited.
Myofascial pain diagnosed according to the "Simons and Travell" criteria.
Able to complete treatment and follow-up.
Signed inform consent form.
History of surgery, trauma, or infection in the pain area.
Severe systemic disease, e.g. malignant tumor; severe hepatic, renal, or coagulation disorder; etc.
Pregnancy, needle phobia, unable to cooperate.
Concurrently receiving pain treatment in other institutions.
Parallel
ultrasound-guided pulsed radiofrequency
Procedure/SurgeryMedication: 0-3months; Pulsed radiofrequency: week 2, 6, 10;
ultrasound-guided dry needling
Procedure/SurgeryMedication: 0-3 months; Dry needling: week 2; Pulsed radiofrequency: week 6, 10;
Change of mechanical pain threshold (△MPT)
Mechanical pain threshold was measured by an ergometer called Microfet3. △MPT=MPT4wk (MPT measured at week 4)-MPT 2wk (MPT measured at week 2).
Severity of pain
Pain was measured by a numerical rating scale (NRS), with 0 symbolizing no pain and 10 symbolizing the worst pain one could imagine.
Sleep
The quality of sleep was measured by Athens Insomnia Scale.
Depression and anxiety
Depression was measured by Patient Health Questionnaire-9. Anxiety was measured by a Generalized Anxiety Disorder-7 item scale.
Life quality
The quality of life was measured by Short Form 36 Health Survey.
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