Effect of Ultrasound and Laser in Chronic Low Back Pain: Randomized Double-blinded Controled Trial

University of Sao Paulo General Hospital

Status and phase: Unknown; Phase 1

Conditions: Low Back Pain

Treatments: Device: continuous ultrasound; Device: laser; Device: pulsatile ultrasound

Study type: Interventional

Funder types: Other

Identifiers

NCT02210520

São Lucas College

Details and patient eligibility

About

The low level laser therapy has a better effect in decrease the pain than ultrasound therapeutic.

Full description

The laser will be applied with the dosimetry 3 J/cm², 2 minutes in 6 points around the back spine, during 4 weeks. Before the women will be evaluate again.

Enrollment: 22 estimated patients

Sex: Female

Ages: 18 to 40 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• chronic low back pain
• 3,0 - 7,0 in the visual analogic scale

Exclusion criteria

• no use of medications
• no other treatment
• without fractures, pregnancy, psychiatric or neurologic disorders, diabetes, amputations
• with diagnostic of low back pain

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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22 participants in 4 patient groups

laser

Experimental group

Description:

3 J/cm², 2 minutes in 6 points around the back spine

Treatment:

Device: pulsatile ultrasound

Device: continuous ultrasound

pulsatile ultrasound

Experimental group

Description:

1 W/cm², 2 minutes in 6 points around the back spine

Treatment:

Device: continuous ultrasound

Device: laser

continuous ultrasound

Experimental group

Description:

1 W/cm², 2 minutes in 6 points around the back spine, three times in the week, during 10 sessions per four weeks.

Treatment:

Device: pulsatile ultrasound

Device: laser

control

No Intervention group

Description:

no treatment.