neuralgia Radicular neuropathic pain
Conditions
Interventions
None listed
Sponsors
Medisch Spectrum Twente
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: -Subjects should have lumbar of sacral radicular neuropathic pain in dermatome L4, L5 or S1 where the pain is limited for 1 dermatome for at least 3 months. The subjects should have a pain reduction of minimum 50% with a VAS score from 0 to 10 after a diagnostic block. - Subject is between 18 and 75 year - Subject has a pain score of 4 or above (visual analog scale, VAS: 0-10 from no pain to worst pain). - Subject has no new pain medication 2 weeks before the treatment. - Informed consent.
Exclusion criteria
Exclusion criteria: - Subject has sensory deficits at the QST site resulting from such medical conditions such as diabetes, alcoholic neuropathy, AIDS neuropathy, severe thyroid, liver or kidney diseases. - Former PRF and RF treatment of the same nerve root. - Subject has scar tissue, infection, or acute injury at the QST site. - Language barriers and other problems impairing the reliable completion of questionnaires. - Subject is pregnant. - Subject has a pacemaker. - Subject has a major psychiatric disease or dementia. - History of back surgery. - Other chronic pain (such as fibromyalgia). - Anticoagulation in form of vitamin K antagonists which should not be stopped. - Skin diseases (such as herpes zoster, burns etc.) - Allergy for contrast or lidocaine
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Electrical sensation thresholds before and after PRF treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS score, symptoms of pain (pain detect), medication use, HADS and RAND-36 questionnaire | — |
Countries
Netherlands
Outcome results
None listed