To investigate the efficacy of Ultrasound guided Stellate Ganglion block in chronic resistant migraine patients in comparison to Greater Occipital Nerve Block correlating its effect to serum CGRP level.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Changes in Headache impact test (HIT-6)
Timeframe: 3 months
changes in Migraine disability assessment test (MIDAS)
Timeframe: 3 months
changes in Numeric Rating Scale (NRS)
Timeframe: 3 months