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Introduction: Osteoarthritis (OA) of the knee is a musculoskeletal disorder and is associated with significant implications related to public health and socioeconomic factors resulting in leave from work. Currently, there are several types of conservative treatment for this pathology, such as medications and mainly muscle strengthening, recommended by international guidelines. It can be associated with neuromuscular electrostimulation (NMES) as with the Aussie Current, for example, which aims to increase strength and function earlier. Objective: To determine whether the effectiveness of adding NMES to the Aussie Current in patients with knee OA who receive treatment based on the principles of conventional physiotherapy, in relation to pain relief, improvement of functional disability and muscle strength. Materials and Method: Forty individuals will be randomly distributed in two groups, with group 1 (G1) exercises and placebo application of electrostimulation and group 2 (G2) exercises and application of NMES with the Aussie current in the quadriceps femoris muscle. In the treatment, 24 sessions will be carried out in a period of 12 weeks based on the gold standard for the treatment of knee OA. Clinical outcomes of pain intensity, functional disability and muscle strength will be measured at baseline, immediately after 12-week treatment and after 24-week follow-up by a single blinded evaluator at all stages. All statistical procedures will be carried out following the principles of "intention to treat" and the comparison between groups will be carried out through the test of Mixed Linear Models. Expected Results: It is expected that there will be improvement in the variables: pain, functional capacity and strength in both the groups, however in the group that carried out the application of the Aussie Current, the gains would be more precocious, when compared to the group that did not carry out the NMES.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Aussie current (placebo) and Exercises | Sham Comparator |
| |
| Aussie current and Exercises | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Electrical electrostimulation of the quadriceps muscle | Other | Exercises associated with electrical electrostimulation of the quadriceps muscle of patients with knee osteoarthritis |
| Measure | Description | Time Frame |
|---|---|---|
| Muscle strength | Assessment of quadriceps muscle strength with manual dynamometer | Baseline muscle strength (First day) |
| Change from Baseline muscle strength at 12 weeks | Assessment of quadriceps muscle strength with manual dynamometer | Change from Baseline muscle strength at 12 weeks |
| Change from Baseline muscle strength at 24 weeks | Assessment of quadriceps muscle strength with manual dynamometer | Change from Baseline muscle strength at 24 weeks |
| Pain intensity | The numerical pain scale | baseline pain intensity (First day) |
| Change from Baseline pain intensity at 12 weeks | The numerical pain scale | Change from Baseline pain intensity at 12 weeks |
| Change from Baseline pain intensity at 24 weeks | The numerical pain scale | Change from Baseline pain intensity at 24 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Claudio Cazarini Júnior | Recruiting | São Paulo | São Paulo | 03156001 | Brazil |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33364562 | Background | Cittadin GL, Ansolin GZ, Furtado Santana NP, Tonini TL, Buzanello Azevedo MR, de Albuquerque CE, Flor Bertolini GR. Comparison between Russian and Aussie currents in the grip strength and thickness muscles of the non-dominant hand: A double-blind, prospective, randomized-controlled study. Turk J Phys Med Rehabil. 2020 Nov 9;66(4):423-428. doi: 10.5606/tftrd.2020.4718. eCollection 2020 Dec. | |
| 29247626 |
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| Electrical electrostimulation of the quadriceps muscle (placebo) | Other | Exercises associated with electrical electrostimulation (placebo) of the quadriceps muscle of patients with knee osteoarthritis |
|
| Background |
| Vaz MA, Frasson VB. Low-Frequency Pulsed Current Versus Kilohertz-Frequency Alternating Current: A Scoping Literature Review. Arch Phys Med Rehabil. 2018 Apr;99(4):792-805. doi: 10.1016/j.apmr.2017.12.001. Epub 2017 Dec 14. |
| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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