From: VNS in drug resistant epilepsy: preliminary report on a small group of patients
Etiology | Age | Duration of epilepsy | Seizure Type | VNS stimulation parameters associated with seizures reduction | Syndrome | Follow-up | Actual VNS stimulation parameters | Seizures frequency |
---|---|---|---|---|---|---|---|---|
1 Idiopathic | 16 y | 9 y | Generalised seizures | I: 1.75 mA; T off: 5 min | Absence epilepsy | 29 m | I: 1.75 mA; T off: 5 min | Very good responder > 75% |
2 Symptomatic | 8 y | 7 y | Drop attacks, partial seizures with secondary generalization | i: 2.00 mA; T off: 5 min | Partial epilepsy secondary to herpetic encephalitis | 29 m | i: 2.00 mA; T off: 5 min | Good responder > 50% |
3 Symptomatic | 11 y | 10 y | Drop attacks, partial seizures | i: 1.25 mA; T off: 5 min | Partial epilepsy secondary to herpetic encephalitis | 26 m | i: 1.50 mA; T off: 5 min | Very good responder >75% |
4 Symptomatic | 26 y | 17 y | Partial | ? | Partial epilepsy due to double cortex | 22 m | i: 1.50 mA; F: 20 Hz T off: 5 min | Non responder |
5 Probably Symptomatic | 11 y | 11 y | Partial | i: 1.50 mA; T off: 40 min | Probably symptomatic epilepsy | 22 m | i: 1.50 mA; T off: 5 min | Good responder > 50% |
6 Symptomatic | 28 y | 28 y | Partial seizures with secondary generalization | I: 1.25 mA; T off: 180 min | Symptomatic partial epilepsy due to peri-natal sufferance | 13 m | i: 2.00 mA; T off: 25 min | Non responder |
7 Probably Symptomatic | 23 y | 4 y | Partial seizures with secondary generalization | i: 0.50 mA; T off: 180 min | Probably symptomatic epilepsy | 10 m | i: 1.00 mA; T off: 45 min | Seizures free |
8 Symptomatic | 17 y | 11 y | Partial seizures with secondary generalization | i: 1.25 mA; T off: 120 min | Symptomatic partial epilepsy due to peri-natal sufferance | 8 m | i: 1.25 mA; T off: 90 min | Very good responder >75% |
9 Probably Symptomatic | 14 y | 14 y | Partial seizures with secondary generalization | i: 1.25 mA; T off: 120 min | Lennox-Gastaut syndrome | 6 m | i: 1.25 mA; T off: 90 min | Very good responder >75% |