None listed
Conditions
Interventions
Procedure/Surgery : In standard group, the needle tip temperature was set at 80°C and 2 cycles of CRF was applied for 120 seconds. In experimental group, PRF was applied before the CRF: the output vol
Sponsors
Catholic Kwandong University International St.Mary's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: - age =20 years old - low back pain (LBP) intensity =4 out of 11 on the numerical rating scale (NRS) - LBP = 6 months - previous failure of conservative management such as physiotherapy, exercise therapy, or analgesic medications - positive response (at least 50% reduction in LBP) to 2 set of diagnostic MBN block with local anesthetic (0.5 mL of 0.5% lidocaine)
Exclusion criteria
Exclusion criteria: - patient refusal - age <20 years - unbearable pain >9–points on NRS, pain <4–points on NRS - signs of progressive motor weakness or neurologic deficits - radiologic evidence of symptomatic herniated disc or nerve root irritation sign related to spinal stenosis - previous RF treatment for similar symptoms - acute pain of onset lasting <6 months - allergies to contrast dyes - coagulopathy - systemic infection, injection site infection - unstable medical or psychiatric illness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| low back pain intensity at 6 months post-procedure | — |
Secondary
| Measure | Time frame |
|---|---|
| procedure site pain intensity during procedure and 30 minutes post-procedure and low back pain intensity and ODI at 1 and 3 months post-procedure | — |
Countries
Korea, Republic of
Contacts
Public ContactSukhee Park
Catholic Kwandong University International St.Mary's Hospital
Outcome results
None listed