Total number of surgical procedures (n=70) performed in 46 patients with cervical dystonia
| n | |
|---|---|
| Intradural approaches: | |
| Unilateral C1-C3 anterior rhizotomy | 13 |
| Unilateral rhizotomy + ipsilateral SAN rhizotomy | 2 |
| Unilateral rhizotomy + contralateral SAN rhizotomy | 12 |
| Bilateral rhizotomy | 3 |
| Bilateral rhizotomy + unilateral SAN rhizotomy | 2 |
| Unilateral rhizotomy + muscle section | 1 |
| Extradural approaches: | |
| Unilateral ramisectomy | 8 |
| Unilateral ramisectomy + contralateral SAN section | 1 |
| Unilateral SAN section | 2 |
| Bilateral ramisectomy | 5 |
| Unilateral ramisectomy + muscle section | 4 |
| Bilateral ramisectomy + muscle section | 1 |
| Muscle sections: | |
| Muscle sections (only) | 16 |
| Muscle sections (combined - see above) | (6) |
SAN = spinal accessory nerve.