Effects of percutaneous auricular vagus nerve stimulation in chronic widespread myofascial pain syndrome

Not Applicable

• Conditions: Chronic Widespread Myofascial Low Back and Cervical Pain Syndrome.; Chronic pain syndrome; G89.4

• Registration Number: IRCT20221230056989N1
• Lead Sponsor: niversity of social welfare and rehabilitation sciences

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 29 May 2023

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

Patients in age 25 to 50 years
Body mass index less than 30 kg/m2
Having the criteria of lumbar and neck myofascial syndromes based on the criteria provided by Travell and Simon in the muscles of the back and neck
the patient have pain for at least 3 months.
The presence of at least 3 trigger points in the muscles of the back and neck, where one of these two areas involves the muscles bilaterally (by using an algometer, as well as by touch)
Intensity of pain of at least 3 out of 10 on the Visual Analog Scale (VAS)
Patients whose Wide Spread Pain Index (WPI) is equal to or greater than 7

Exclusion Criteria

Neurological diseases
Metabolic and endocrine diseases
Systemic diseases such as lupus, scleroderma
Infectious diseases
Inflammatory diseases
Thyroid diseases
History of malignancy
Diabetes
Pregnancy
Menopause
Use of painkillers in the last 24 hours
Long-term use of corticosteroids
Drug addiction
Cognitive and psychotic diseases
Myopathies
Cardiovascular diseases
Taking drugs that affect the autonomic system, such as cholinergic and anticholinergic drugs, alpha and beta blockers, antipsychotics

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Heart Rate Variability (HRV). Timepoint: Before and after 10 sessions. Method of measurement: PowerLab data acquisition system.

Secondary Outcome Measures

Name	Time	Method
ow Back Pain Disability. Timepoint: Before and after 10 sessions. Method of measurement: Oswestry Low Back Pain Disability (ODI).;Low Back Pain Diability. Timepoint: Before and after 10 sessions. Method of measurement: Roland-Morris Disability Questionnaire (RMQ).;Neck Disability. Timepoint: Before and after 10 sessions. Method of measurement: Neck Disability Index (NDI).;Kinesiophobia. Timepoint: Before and after 10 sessions. Method of measurement: Tampa Scale of Kinesiophobia (TSK).;Anxiety. Timepoint: Before and after 10 sessions. Method of measurement: Beck Anxiety Inventory (BAI).;Heart Rate Variability. Timepoint: Before and after 10 sessions. Method of measurement: PowerLab data acquisition system.;Pain Pressure Threshold (PPT). Timepoint: before and after 10 sessions. Method of measurement: algometer.;Pain. Timepoint: before and after 10 sessions. Method of measurement: Visual Analog Scale (VAS).