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Effectiveness of adjuvant pulsed radiofrequency in patients with neuropathic radiating pain after lumbar spinal surgery

The Effectiveness of adjuvant pulsed radiofrequency in patients with lumbosacral neuropathic radicular pain after lumbar spinal surgery screened by DN4 (Douleur Neuropathique 4) questionnaire: a prospective double-blind randomized controlled study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0009406
Enrollment
100
Registered
2024-05-07
Start date
2024-05-02
Completion date
Unknown
Last updated
2024-05-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Procedure/Surgery : Subjects will be subjected to routine monitoring followed by a prone position. The procedure will be performed under aseptic technique. After local anesthesia with 1% lidocaine, th
Baylis Medical, Quebec, Canada) will be inserted into the needle. Near the DRG, sensory and motor stimulations will be performed. The final definite position of the RF probe required a sensory stimula

Sponsors

Asan Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Chronic radicular pain (persistent or recurrent for > 3 months) with NRS 4 or higher - Pain that occurs or recurs after lumbar spinal surgery - After lumbar spinal surgery, the pain increases compared to before, or new radicular pain occurs that was not there before. - The site of pain coincides with the lumbar spinal surgery site dermatome. - Patients who score 4 or higher on the DN4 questionnaire and are screened for neuropathic pain - Patients whose symptoms have not improved after at least 3 months of conservative treatment - 19 = Age = 80 - Patients who voluntarily agreed in writing to participate in this clinical trial

Exclusion criteria

Exclusion criteria: - Acute phase pain less than 3 months - Patients who have not undergone lumbar spinal surgery - Radicular pain in other segments, not radicular pain consistent with lumbar spinal surgery - Axilal pain is more severe than radiating pain - Patients with adverse reactions to local anesthetics, steroids, and contrast agents - Patients with red signs such as blood clotting disorders, infections, malignant tumors, spinal fractures, progressive neurological deficits, cauda equina syndrome, etc. - Pregnant or lactating patients - If the patient does not agree to participate in the study

Design outcomes

Primary

MeasureTime frame
Successful response rate

Secondary

MeasureTime frame
Pain intensity (NRS);Oswestry Disability Index;Medication quantification scale;global perceived effect of satisfaction;Douler Neuropathique 4

Countries

Korea, Republic of

Contacts

Public ContactSeong-Soo Choi

Asan Medical Center

choiss@amc.seoul.kr+82-2-3010-1538

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026