Postherpetic Neuralgia
Conditions
Interventions
Time Group:Parameters of Pulsed radiofrequency: Temperature: 42 degree C
Voltage: 45V
Pluse width: 2ms
Time: 900s
Voltage Group:Parameters of Pulsed radiofrequency: Temperature: 42 degree C
Voltage: the maximum voltage that the patients can tolerate
Control Group:Parameters of Pulsed radiofrequency: Temperature: 42 degree C
Time: 120s
Sponsors
Department of Pain Management, West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1) Diagnosed with the criteria of postherpetic neuralgia, and the course of the disease was 1-3 months; 2) Aged 18-85 years old; 3) Preoperative VAS pain score is greater than 4; 4) Poor efficacy of oral medication or inability to tolerate oral medication; 5) Exclude other neuropathic pain; 6) Sign the informed consent.
Exclusion criteria
Exclusion criteria: 1) Patients with abnormal blood glucose control; 2) Patients with abnormal coagulation function, serious heart and lung diseases; 3) Patients who are not suitable to operate for bleeding and infection at the puncture site; 4) Patients who have previous mental illness, history of opioid abuse and local anesthetic allergy; 5) Patients who cannot cooperate with the treatment; 6) Patients with abnormal cognitive function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS score and pain remission rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| SF-36 score; | — |
Countries
China
Contacts
Public ContactLi Song
West China Hospital, Sichuan University
Outcome results
None listed