Patient characteristics
| Patient | Age at surgery | Sex | Years with PD | H and Y1-150 staging On/off | UPDRS off† prepallidotomy/ postpallidotomy | Pallidotomy side | Transient side effects | Medication additional to levodopa |
|---|---|---|---|---|---|---|---|---|
| 1 | 66 | M | 8 | 2/5 | 57/NP‡ | R | Slight facial paresis, swallowing problems, drooling | Tryptizol, temazepam, alprazolam, apomorphine |
| 2 | 43 | F | 7 | 2/2.5 | 22/7 | L | Slight dysarthria | Trihexifenidyl |
| 3 | 49 | M | 15 | 2/3 | 55/15 | L | Facial paresis | Pergolide, amantadine |
| 4 | 50 | M | 12 | 2/2 | 45/22 | L | Slight dysarthria | Selegeline, biperideen |
| 5 | 53 | M | 14 | 2.5/4 | 69/36 | R | Facial paresis, hypophonia | Pergolide, selegeline |
| 6 | 55 | M | 13 | 2.5/3 | 48/27 | L | Facial paresis, aphasia | Selegeline, biperideen |
| 7 | 61 | F | 15 | 2.5/4 | 55/NP | R | Clozapine, temazepam, cisapride |
↵1-150 H and Y=Hoehn and Yahr; †UPDRS off=unified Parkinson’s disease rating scale part 3 (motor examination), in a standardised off state, 12 hours without antiparkinson medication; ‡NP=not performed.