Off period dystonia, cramps, and sensory symptoms before, 3–5 days after, 3 months after, and 12 months after unilateral deep brain stimulation of the globus pallidus internus
| Follow up | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Off period symptom | Score range | Baseline | 5 Days | Change 0–5 days (%) | p Value | 3 Months | Change 0–3 months (%) | p Value | 12 Months | Change 0–12 months (%) | p Value |
| Mean baseline scores and follow up scores (percentage improvement compared with preoperative score) during continuous pallidal stimulation are shown. | |||||||||||
| Dystonia total score | 0–24 | 3.4 (2.3) | 0.2 (0.4) | −94.1 | 0.021 | 0.4 (0.9) | −88.2 | 0.021 | 0.4 (0.9) | −88.2 | 0.021 |
| Dystonia contralateral score | 0–8 | 2.0 (0.7) | 0.0 (0.0) | −100 | 0.019 | 0.0 (0.0) | −100 | 0.019 | 0.0 (0.0) | −100 | 0.019 |
| Pain total score | 0–24 | 9.0 (5.3) | 2.4 (5.2) | −73.3 | 0.009 | 2.9 (4.3) | −67.8 | 0.009 | 2.6 (2.8) | −71.1 | 0.009 |
| Pain contralateral score | 0–8 | 3.9 (2.0) | 0.9 (2.3) | −76.9 | 0.014 | 1.1 (2.3) | −71.8 | 0.014 | 1.0 (1.5) | −74.4 | 0.009 |
| Cramps total score | 0–24 | 3.5 (3.4) | 0.5 (0.8) | −85.7 | 0.013 | 0.2 (0.4) | −94.3 | 0.013 | 0.7 (0.8) | −80.0 | 0.021 |
| Cramps contralateral score | 0–8 | 1.7 (1.4) | 0.2 (0.4) | −88.2 | 0.020 | 0.2 (0.4) | −88.2 | 0.020 | 0.5 (0.8) | −88.2 | 0.020 |
| Dysaesthesia total score | 0–24 | 4.5 (3.5) | 0.0 (0.0) | −100 | 0.034 | 0.3 (0.5) | −93.3 | 0.033 | 0.0 (0.0) | −100 | 0.034 |
| Dysaesthesia contralateral score | 0–8 | 2.8 (2.1) | 0.0 (0.0) | −100 | 0.033 | 0.3 (0.5) | −89.3 | 0.055 | 0.0 (0.0) | −100 | 0.033 |