Osteoarthritis
Conditions
Brief summary
This study aims to evaluate the effectiveness of the low level laser therapy and interferential current in 168 patients with knee osteoarthritis
Detailed description
Interventional
Interventions
DEVICEActive Interferential Current
Involves the application of medium frequency alternating currents
DEVICEActive Laser
Involves the application of low level laser over the knee
It is a sham interferential therapy
DEVICEPlacebo Laser
It is a sham laser therapy
Sponsors
Universidade Cidade de Sao Paulo
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No
Inclusion criteria
* History of osteoarthritis of the knee characterized by pain of mild or moderate intensity * Radiographic evidence of grade 2 or 3 osteoarthritis based on the Kellgren and Lawrence radiographic entry criteria * Patients with knee osteoarthritis (s) according to the ACR criteria * VAS 3 to 8 * 5 to 12 Lequesne * No complaint of pain in other joints of the lower limbs * Without neurological and cognitive disorders * No loss of sensation in the lower limbs * No surgery on the knee (s) in the last 6 months * Pain symptoms for at least 6 months * No infiltrations (s) knee (s) in the last 4 weeks * No use of analgesics 4 hours before treatment
Exclusion criteria
* Individuals younger than 18 and older than 80 years * Complaints from other diseases of the lower limbs, knee prosthesis and / or hip joint instabilities and / or surgery in lower limbs, heart disease, uncontrolled hypertension and diabetes, coagulation disorders in anticoagulant therapy, pregnant women, fibromyalgia and individuals who can not perform isokinetic test who have difficulty performing the TUG, and those that are experiencing abnormal sensitivity to algometry
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain intensity measured by a numeric pain scale ranging from 0 to 10. | 4 weeks |
| Pressure Pain Threshold measured by a pressure algometer. Pressure will be recorded in kPa. | 4 weeks |
Secondary
| Measure | Time frame |
|---|---|
| TUG (Timed Up & Go Test) | Measure at baseline, 4 weeks, 3 months, 6 months |
| Isokinetic Muscle Assessment | Measure at baseline, 4 weeks, 3 months, 6 months |
| LeQuesne Questionnaire | Measure at baseline, 4 weeks, 3 months, 6 months |
| WOMAC (Western Ontario and McMaster Universities Arthritis Index) | Measure at baseline, 4 weeks, 3 months, 6 months |
Countries
Brazil
Outcome results
None listed