Research Article
Neuromodulation Therapy with Vagus Nerve Stimulation for Intractable Epilepsy: A 2-Year Efficacy Analysis Study in Patients under 12 Years of Age
Table 3
The efficacy of VNS with ≥50% reduction of seizures according to the etiologies of epilepsy.
| | Etiology (patients) | Responders | Partial responders | Nonresponders |
| | Lennox-Gastaut syndrome (13) | 38.5% | 23.0% |
38.5% | | Postencephalitis (5) | 20.0% | 40.0% | 40.0% | | Cortical dysgenesis (4) | 75.0% | 0% | 25.0% | | Postanoxic encephalopathy (3) | 33.3% | 0% | 66.7% | | Perinatal encephalopathy (3) | 66.7% | 0% | 33.3% | | Tuberous sclerosis (3) | 50.0% | 50.0% | 0% | | Chromosomal abnormality (2) | 50.0% | 0% | 50.0% | | Stroke (2) | 50.0% | 50.0% | 0% |
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