Clinical and demographic features of patients from this series
| Case | Gender | Age at evaluation (years) | Target nucleus (VIM) | Age at surgical implantation (years) | Time with DBS | Initial tremor improvement (%) | Number of IPG replacements | Operatory complications and electrode revisions | Side effects of stimulation |
|---|---|---|---|---|---|---|---|---|---|
| 1 | F | 82 | Bilateral | 73 | 9 years, 6 months | >75 | 2 | None | Mild gait ataxia and dysarthria |
| 2 | M | 80 | Left | 68 | 11 years, 10 months | 50–75 | 2 | None | None |
| 3 | M | 78 | Left | 66 | 12 years | 50–75 | 1 | None | None |
| 4 | F | 85 | Bilateral | 72 | 13 years | 50–75 | 4 | Vasovagal reaction during surgery | Mild to moderate dysarthria |
| 5 | M | 69 | Bilateral | 58 | 11 years, 3 months | >90 | 3 | None | Mild gait ataxia |
| 6 | F | 72 | Left | 61 | 10 years, 9 months | >75 | 2 | None | None |
| 7 | M | 75 | Bilateral | 64 | 10 years, 8 months | 50–75 | 2 | Electrode migration (meningioma) | Mild gait ataxia and dysarthria |
| 8 | F | 79 | Bilateral | 65 | 13 years, 8 months | >90 | 3 | Electrode migration (Unknown cause) | Mild gait ataxia and dysarthria |
| 9 | M | 88 | Bilateral | 78 | 10 years, 3 months | 50–75 | 2 | None | Mild gait ataxia |
| 10 | F | 47 | Right | 37 | 10 years, 2 months | >75 | 3 | None | None |
| 11 | F | 79 | Left | 68 | 10 years, 11 months | 50–75 | 3 | None | Mild dysarthria |
| 12 | M | 85 | Left | 76 | 9 years, 6 months | >90 | 2 | None | Mild gait ataxia and dysarthria |
| 13 | M | 80 | Bilateral | 75 | 10 years | 50–75 | 4 | Electrode migration (Unknown cause) | Mild gait ataxia |
DBS, deep brain stimulation; IPG, internal pulse generator replacement; VIM, ventral intermediate.