Clinical Research Directory

Inclusion Criteria: 1. age \>18 years; 2. diagnosed with idiopathic GPN according to the third International Classification of Headache Disorders (ICHD) classification; 3. patients who failed pharmacotherapy or intolerable side effects of medication; 4. undergoing PRF for GPN; 5. at least 1 month of follow-up recordings. Exclusion Criteria: 1. Patients with bilateral GPN; 2. Abnormalities in blood measurements, liver and kidney function, blood glucose, coagulation, electrocardiography or chest radiography; 3. Infection at the puncture site; 4. Previous mental illness; 5. Previous history of narcotic drug abuse; 6. Prior anticoagulant or antiplatelet therapy; 7. An implantable pulse generator; 8. Current pregnancy or breast feeding. 9. Patients with incomplete medical records (lack of baseline data or postoperative follow-up data).