Transient facial palsy in sphenoidal electrode placement

Jorge Iriarte, Jaime Parra, Andres M Kanner

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Purpose: Sphenoidal electrode (SE) insertion can cause pain, for which local anesthesia with lidocaine or intravenous administration of fentanyl has been advocated by different epilepsy treatment centers. Transient facial palsies have been observed after SE insertion. Their frequency of occurrence, distribution, and duration have not been well characterized, however. We hypothesized that this complication is due to the effect of local anesthesia on the peripheral branches of the seventh cranial nerve. To test this hypothesis, we compared the incidence and characteristics of facial palsy during SE insertions performed with either local anesthesia or after intravenous fentanyl administration. Methods: We performed a retrospective study in two patient groups. Group A consisted of 25 patients aged 28 ± 8.2 years who underwent a prolonged video-EEG (VEEG) monitoring study with SE after subcutaneous infusion of 1% lidocaine in the insertion area. Group B included 25 patients aged 30.1 ± 8.9 years whose SE were inserted after intravenous administration of 100-200 μg fentanyl. Blood pressure (BP) was monitored every 3-5 min throughout the procedure. Results: Five patients (20%) from group A had a transient facial palsy; in 4, it was complete and in 1 it was partial; 1 patient had a bilateral facial palsy. Paresis lasted 1-7 min (mean 3.2 min). In all patients, the recovery was complete. None of the patients in group B had complications (p = 0.025, Fisher's exact test). Conclusions: Transient facial palsy is a relatively frequent complication of SE insertion when SE are placed under local anesthesia; patients should be forewarned of its possible occurrence.

Original languageEnglish (US)
Pages (from-to)1239-1241
Number of pages3
JournalEpilepsia
Volume37
Issue number12
StatePublished - 1996
Externally publishedYes

Fingerprint

Facial Paralysis
Electrodes
Local Anesthesia
Fentanyl
Intravenous Administration
Lidocaine
Subcutaneous Infusions
Facial Nerve
Paresis
Electroencephalography
Epilepsy
Retrospective Studies
Blood Pressure
Pain
Incidence

Keywords

  • Facial palsy
  • Lidocaine
  • Phentanyl
  • Sphenoidal electrodes
  • Temporal lobe epilepsy

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Transient facial palsy in sphenoidal electrode placement. / Iriarte, Jorge; Parra, Jaime; Kanner, Andres M.

In: Epilepsia, Vol. 37, No. 12, 1996, p. 1239-1241.

Research output: Contribution to journalArticle

Iriarte, J, Parra, J & Kanner, AM 1996, 'Transient facial palsy in sphenoidal electrode placement', Epilepsia, vol. 37, no. 12, pp. 1239-1241.
Iriarte, Jorge ; Parra, Jaime ; Kanner, Andres M. / Transient facial palsy in sphenoidal electrode placement. In: Epilepsia. 1996 ; Vol. 37, No. 12. pp. 1239-1241.
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