Table. Patient Demographics and Treatment Response to Noninvasive Vagus Nerve Stimulation.
| Sex/Age, y | Laterality | Treatment Response | Treatment Durationa |
|---|---|---|---|
| Hemicrania Continua | |||
| Male, 49 | Left | Persistent pain reduced by 60% | 2 y and 8 mo |
| Man, 37 | Left | Persistent pain reduced by 40% | 2 y |
| Female, 55 | Left | Persistent pain reduced by 80% | 5 y |
| Female, 27 | Left | Persistent pain reduced by 50% or more, exacerbations reduced from 4 per wk to 2 per mo; acute treatment (1 dose) reduced severity and duration from 48-72 h to 12-24 h | 1 y |
| Female, 42 | Left | Persistent pain reduced by 15%, exacerbation duration reduced from days to 1 h | 6 mo |
| Female, 23 | Left | Persistent pain reduced by 30% | 2 y and 4 mo |
| Female, 53 | Right | Persistent pain reduced by 30%-50%, exacerbations reduced from 15 per mo to 1 every 2 mo; acute treatment (6-8 doses) reduced severity by 40% and duration from >24 h to <24 h | 5 mo |
| Female, 38 | Right | No response | 3 mo |
| Male, 61 | Left | No response | 6 mo |
| Paroxysmal Hemicrania | |||
| Female, 43 | Left | Attack frequency reduced from 12 to 4 per d, reduced severity and duration from 20-40 min to 10 min | 3 mo |
| Female, 47 | Right | “Dramatic” reduction in frequency and severity | 1 y and 8 mo |
| Female, 48 | Left | Complete cessation of attacks | 1 y and 3 mo |
| Female, 29 | Right | Decreased severity | 5 y |
| Male, 54 | Left | No response | 4 mo |
| Female, 38 | Right | No response | 4 mo |
a
At time of last follow-up.