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Interferential current is a form of electrotherapy that is obtained by placing two different plates that produce medium frequency waveform current, resulting in a low frequency interferential waveform in deeper tissues. It was shown interferential current electrotherapy is beneficial for reduction of traumatic edema in tissues and pain control.
Patients with conservatively managed distal radius fractures were recruited after casts are shed, and were treated with one session(30 minutes) of different protocols of interferential current electrotherapy. Before and after therapy, they were evaluated with volumetry, hand grip strength and visual analogue scale for pain.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 10 Hz | Experimental | Interferential current, entry frequency 4000 Hz and 4010 Hz, beat frequency 10 Hz, amplitude was individualized and increased until patients felt a comfortable tickling sensation. |
|
| 100 Hz | Experimental | Interferential current, entry frequency 4000 Hz and 4100 Hz, beat frequency 100 Hz, amplitude was individualized and increased until patients felt a comfortable tickling sensation. |
|
| Placebo-Sham Control | Sham Comparator | No current except for first 5 seconds, device open but does not appy electrotherapy. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Electrotherapy, interferential current | Device | Interferential current, entry frequencies and beat frequencies were set differently in 2 groups, amplitude was individualized and increased until patients felt a comfortable tickling sensation. |
| Measure | Description | Time Frame |
|---|---|---|
| Volumetry | Patients were asked to dip their hands slowly into a special bucket full of water with volume markings until their middle finger touched to the bottom of the bucket. The spilled amount of water were measured as milliliters. | 30 minutes |
| Visual Analogue Scale | Patients were asked to express their discomfort level from pain in a scale ranging from 1 to 10(with the help of a 10 cm line), and point they showed were measured as millimeters. | 30 minutes |
| Hand Grip Strength | Patients were asked to use a hydraulic hand dynamometer for hand grip strength in a position of 10 to 30 degrees of wrist extension, and results were registered as kilograms. | 30 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D011885 | Radius Fractures |
| D004487 | Edema |
| D010146 | Pain |
| ID | Term |
|---|---|
| D005543 | Forearm Injuries |
| D001134 | Arm Injuries |
| D014947 | Wounds and Injuries |
| D050723 | Fractures, Bone |
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| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| ID | Term |
|---|---|
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
| D012046 | Rehabilitation |
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| Control | Other | No current except for first 5 seconds, device open but does not appy electrotherapy. |
|
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009461 | Neurologic Manifestations |