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The primary purpose is to study the effect of spinal cord stimulation (SCS) on sensory parameters, using quantitative sensory testing (QST).
Patients with established SCS treatment will be examined with QST. Subjects will be randomized to have their SCS device turned off or kept active (1:1) for a 12-hour period, then be reexamined using the same QST protocol.
After the 2nd examination all patients cross over (ie. inactive devices are activated, active devices are deactivated) and are reexamined after a new 12-hour period.
The investigators expect to demonstrate that SCS treatment has a significant effect on sensory parameters associated with pain hypersensitivity but no significant effect on sensory parameters associated with detection of non-painful stimuli.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Active SCS | Active Comparator |
| |
| Inactive SCS | Sham Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Active SCS | Device | SCS IPG activated |
| |
| Deactivated |
| Measure | Description | Time Frame |
|---|---|---|
| Change in sensory parameters | 24 hours |
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Inclusion Criteria:
Exclusion Criteria:
-
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| Name | Affiliation | Role |
|---|---|---|
| Troels S Jensen, prof. | Danish Pain Research Center | Study Director |
| Kaare Meier, MD | Danish Pain Research Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Danish Pain Research Center | Aarhus C | 8000 | Denmark |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 11465587 | Background | Kemler MA, Reulen JP, Barendse GA, van Kleef M, de Vet HC, van den Wildenberg FA. Impact of spinal cord stimulation on sensory characteristics in complex regional pain syndrome type I: a randomized trial. Anesthesiology. 2001 Jul;95(1):72-80. doi: 10.1097/00000542-200107000-00016. |
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| ID | Term |
|---|---|
| D059350 | Chronic Pain |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| Device |
SCS IPG deactivated |
|