Effects of Low Versus High Frequency Percutaneous Electrical Nerve Stimulation on Chronic Neck Pain Patients.

Centro Universitario La Salle

Status: Completed

Conditions: Chronic Pain; Myofascial Pain Syndrome; Neck Pain

Treatments: Procedure: High frequency; Procedure: Low frequency

Study type: Interventional

Funder types: Other

Identifiers

NCT03401905

CSEULS-PI-115/2016

Details and patient eligibility

About

Comparison between high and low frequency percutaneous electrical nerve stimulation as treatment of myofascial chronic neck pain. The main hypothesis is that low frequency treatment will have more hypoalgesic effects than high frequency, and low frequency effects will last longer.

Enrollment: 40 patients

Sex: All

Ages: 18 to 65 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Neck pain of more than 6 months of evolution.
• Pain level of more than 30 millimeter on the VAS scale.
• Active myofascial frigger points on upper trapezius muscle.

Exclusion criteria

• Upper limb radiculopathy.
• Recent whiplash.
• Cervicogenic dizziness.
• Migraine.
• Previous cervical surgery.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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40 participants in 2 patient groups

Low frequency

Experimental group

Description:

Percutaneous electrical nerve stimulation with frequency of 2 Hz and 120 microseconds of pulse width will be applied.

Treatment:

Procedure: Low frequency

High frequency

Active Comparator group

Description:

Percutaneous electrical nerve stimulation with frequency of 120 Hz and 200 microseconds of pulse width will be applied.

Treatment:

Procedure: High frequency