Condition: Chronic Migraine, Headache · Sponsor: Minia University
* PRF performed on the sphenopalatine ganglion level under ultrasound guidance. * Standard voltage PRF parameters: 45 V, 5 Hz frequency, 5 ms pulse width, 360 seconds duration, electrode temperature ≤42°C. * Supravoltage PRF parameters: Higher voltage than standard (e.g., 60-70 V), with same frequency, pulse width, and duration, maintaining temperature ≤42°C to avoid nerve damage.
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| Minia university raouf | Minya, Egypt | Recruiting |
| Minia university | Minya, Egypt | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07500558