Vagus nerve stimulation as a treatment for refractory epilepsy: A 15-year experience in an Italian Tertiary - Care epilepsy center

Chiara Pizzanelli, Renato Galli, Filippo S. Giorgi, Alfonso Iudice, Enrica Bonanni, Veronica Pelliccia, Stella Jensen, Laura Manca, Bruno Lenzi, Ludovico Lutzemberger, Giuliano Parenti, Francesco Fornai, Luigi Murri

Research output: Contribution to journalArticle

Abstract

Purpose: Vagus Nerve Stimulation (VNS) is indicated in the treatment of pharmacoresistant epilepsy. Albeit its general efficacy, the use of VNS remains undefined concerning two points: i) there are only a few long-term studies, none randomized; ii) there are no clinical markers which allow to predict VNS response. In order to explore these points, we report the long-term outcomes of VNS in 22 patients. Methods: Twenty-two patients with refractory epilepsy, either symptomatic generalized or cryptogenic/symptomatic partial were treated with VNS and monitored up to 15 years (6.5±1.1). Results: No significant adverse events were observed. VNS efficacy was enduring and increased significantly over time. Seizure frequency decreased by 34.3±3.9% after 1 year, 40.3±4.6% after 2 years, 48.0±5.4% after 3 years, 53.4±7.9% after 5 years and 48.1%±5.8 at maximum follow up. Data on syndrome-specificity were not significant (small number of patients in each group). Conclusions: This study confirms sustained efficacy of VNS in epilepsy. Generalized symptomatic and temporal lobe epilepsy seem to be associated to a better outcome to VNS, but additional data are required.

Original languageEnglish
Pages (from-to)321-329
Number of pages9
JournalLetters in Drug Design and Discovery
Volume8
Issue number4
Publication statusPublished - May 2011

Keywords

  • Alternative therapy
  • Epilepsy
  • Long-term study
  • Neurosurgery
  • Pharmacoresistance
  • Vagus nerve stimulation

ASJC Scopus subject areas

  • Pharmaceutical Science
  • Drug Discovery
  • Molecular Medicine

Fingerprint Dive into the research topics of 'Vagus nerve stimulation as a treatment for refractory epilepsy: A 15-year experience in an Italian Tertiary - Care epilepsy center'. Together they form a unique fingerprint.

Cite this