Table 1.
Stimulation parameters and overall Visual Analogue Scales (VAS) at pre-operative assessment and 3 years’ follow-up (FU) in single electrode dual targeting of the Periaqueductal grey/Periventricular grey (PAG/PVG) and Centromedian Intralaminar Parafasciular complex (CMPf) for three patients with chronic pain syndromes.
| Diagnosis | PAG/PVG Stimulation | CMPf Stimulation | Overall VAS (mm) | Medication, Total Daily Dose | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| mA | µs | Hz | mA | µs | Hz | Pre-op | 3 Years’ FU | Pre-op | 3 Years’ FU | ||
| Case 1 | Trigeminal anaethetica dolorsa | 4.5 | 60 | 10 | 4.5 | 60 | 128 | 44 | 5 | Gabapentin 4800 mg | Gabapentin 1800 mg |
| Case 2 | Phantom limb pain | 4.0 | 90 | 10 | 4.0 | 90 | 132 | 94 | 56 | Tramadol 400 mg, Gabapentin 2700 mg, Temazapam 10 mg, Amitriptyline 150 mg | Mirtazepine 30 mg Tramadol 400 mg Baclofen 40 mg, Temazapam 10 mg, Amitriptyline 150 mg |
| Case 3 | Post-stroke Pain | 3.5 | 110 | 10 | 4 | 90 | 132 | 98 | 32 | Carbamazepine 800 mg, Duloxetine 120 mg, Pregabalin 450 mg | Carbamazepine 800 mg, Duloxetine 120 mg, Pregabalin 450 mg |