Late-onset jaw and teeth pain mimicking trigeminal neuralgia associated with chronic vagal nerve stimulation: case series and review of the literature

Table 2 Characteristics of late-onset trigeminal pain under VNS in the current case series patients

Sex (age, years)	Type of epilepsy	Time to pain onset from implantation	Time to pain onset from last augmentation	SC	Pain localisation
Sex (age, years)	Type of epilepsy	Time to pain onset from implantation	Time to pain onset from last augmentation	(mA)	Pain localisation
Man (46)	Bitemporal-periventricular heterotopy	18 months	2 months	2,0^a	The upper and lower jaw and teeth, left
Woman (50)	Bitemporal- bilateral cystic hippocampal malformations	4,5 years	2 weeks	1,25^b	The upper and lower jaw and teeth, left

SC stimulation current intensity at the time of pain onset
^a Stimulation frequency 30 Hz, pulse width 500 μsec, duty cycle 30s on/ 1,8 min off
^b Stimulation frequency 30 Hz, pulse width 250 μsec, duty cycle 30s on/ 1,8 min off

ISSN: 1471-2377