DBS of the VPM and PAG is a potential therapeutic option for patients suffering from severe, intractable facial pain refractory to other interventions. For example, Yamamoto et al. Pain reduction by electrical brain stimulation in man. This pain pattern is considered "atypical. This is the highest yield arrangement, from there the grid is explored with better results moving anterior than posterior. Local or general anesthesia may be used.
Periera et al demonstrated that deep brain stimulation seems to act on a functional network including the PVG, PAG and thalamus.
Trigeminal neuralgia, also known as tic douloureuxis a chronic pain condition associated with sharp facial pain. Support Center Support Center. In the 5 patients who had both the VPM and PAG leads implanted, both leads were actively programmed and used simultaneously. Motor cortex stimulation for central and neuropathic pain: With few effective therapies available, Motor cortex stimulation MCS and Deep Brain stimulation DBS have shown promise as potential surgical treatment options to provide pain relief. Learn more about Trigeminal neuralgia. Variable combinations of contacts and stimulation parameters are used.