intractable lumbosacral radicular pain
Conditions
Interventions
The target is an impedence of less than 400 ohms
this is achieved by injecting 1mL of saline through the needle into each patient prior to PRF treatment(Group S).
The target is an impedence of less than 400 ohms
this is achieved by injecting 1mL of 1% lidocainethrough the needle into each patient prior to PRF treatment(Group L).
Sponsors
Junwa Rihabiriteshon Shinryou Kenkyuujo
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Patients with monosegmental chronic lumbosacral radicular pain of L3~L5 or S1. 2.The area of pain is concordant with MRI scan findings anatomically. 3.After a diagnostic nerve root block, the pain intensity reduced for at least 2 days.
Exclusion criteria
Exclusion criteria: 1.A history of cancer, fractures of the lumbar vertebrae and myelopathy 2.The use of anticoagulants 3.Pregnancy 4.Patients with area 4 on Cornell Medical Index
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Numeric Rating Scale (NRS) pain assessment at 4 weeks after PRF. | — |
Countries
Japan
Contacts
Public ContactNobuhiko Tanaka
Junwakai Memorial Hospital Department of Pain Clinic
Outcome results
None listed