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It was well known that the mirror therapy could decrease pain of upper-limb amputated patients.
The mirror therapy is known to make a plastic change some parts of the brain perceiving the painful body part and modulating its signal by feedback of visual information mirrored with the corresponding contra-lateral normal parts.
In this study, post-operative analgesic efficiency of the virtual reality using a mirror therapy after total knee arthroplasty will be evaluated.
This clinical trial will be performed in the form of prospective, single-blind (i.e. assessor-blind), parallel group, randomized (allocation ratio 1:1), single cohort.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Full term intervention | Experimental |
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| Half term intervention | Active Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mirrored Virtual reality | Device | Patients are required to look at the images of both lower extremities ranged from the perineal area to the foot. Virtual reality system records in real-time method both lower extremities. Following the validity assessement mirrored image of the surgeried lower extremity is re-formed using the virtusal reality system flipping the image of lower extremity not-surgeried and being calibration for the symmetricity. |
| Measure | Description | Time Frame |
|---|---|---|
| 6 minute walk test | The distance walked at a self-selected speed along a 40 cm corridor in 6 min. The distance was measured in meters, and more the meters better the result. A walking aid was used if needed. | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Visual analogue scale (VAS) while resting | checking the VAS while resting | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Visual analogue scale (VAS) while moving |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Chang Ho Hwang, M.D., Ph.D. | Ulsan University Hospital | Principal Investigator |
| Sung Do Cho, M.D., Ph.D. | Ulsan University Hospital | Principal Investigator |
| Youngjoon Chee, Ph.D. | Department of Biomedical Engineering, University of Ulsan | Principal Investigator |
| Kyo-In Koo, Ph.D. | Department of Biomedical Engineering, University of Ulsan | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ulsan University Hospital | Ulsan | 682-714 | South Korea |
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| ID | Term |
|---|---|
| D020370 | Osteoarthritis, Knee |
| D059226 | Nociceptive Pain |
| ID | Term |
|---|---|
| D010003 | Osteoarthritis |
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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checking the VAS while resting
| shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Active ROM of flexion and extension on the knee | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Tridol consumption per week | after the 1st and 2nd session (5 days) intervention |
| WOMAC index | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Graded ambulation distances | Grade 1: able to ambulate ≤5 feet Grade 2: able to ambulate >5 feet but <10 feet Grade 3: able to ambulate >10 feet but <30 feet Grade 4: able to ambulate ≥30 feet | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Timed-stands test | The patients were asked to rise from and sit down on a chair with a height of 45 cm, 10 times and as quickly as possible, without using the armrests. The time spent was recorded. | shortly after the 1st and 2nd session (5 days) intervention, and after 6 weeks after intervention |
| Side effects | after the 1st and 2nd session (5 days) intervention |
| D012216 |
| Rheumatic Diseases |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |