Bradycardia and asystole with the use of vagus nerve stimulation for the treatment of epilepsy

A rare complication of intraoperative device testing

Jorge J. Asconapé, David D. Moore, Douglas P. Zipes, Laura M. Hartman, William H. Duffell

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Purposes: A 56-year-old man with mild mental retardation, right congenital hemiparesis, and refractory partial seizures was referred for vagus nerve stimulation (VNS). Methods: Routine lead diagnostic testing during the surgical procedure (1.0 mA, 20 Hz, and 500 μs, for ~17 s) resulted, during the initial two stimulations, in a bradycardia of ~30 beats/min. A third attempt led to transient asystole that required atropine and brief cardiopulmonary resuscitation. Results: The procedure was immediately terminated, the device removed, and the patient recovered completely. A postoperative cardiologic evaluation, including an ECG, 24-h Holter monitor, echocardiogram, and a tilt-table test, was normal. Conclusions: Possible mechanisms for the bradycardia/asystole include stimulation of cervical cardiac branches of the vagus nerve either by collateral current spread or directly by inadvertent placement of the electrodes on one of these branches; improper plugging of the electrodes into the pulse generator, resulting in erratic varying intensity of stimulation; reverse polarity; and idiosyncratic-type reaction in a hypersusceptible individual. The manufacturer reports the occurrence rate in ~3,500 implants for this intraoperative event to be approximately one in 875 cases or 0.1%.

Original languageEnglish
Pages (from-to)1452-1454
Number of pages3
JournalEpilepsia
Volume40
Issue number10
DOIs
StatePublished - 1999

Fingerprint

Vagus Nerve Stimulation
Intraoperative Complications
Bradycardia
Heart Arrest
Epilepsy
Equipment and Supplies
Electrodes
Tilt-Table Test
Vagus Nerve
Cardiopulmonary Resuscitation
Paresis
Atropine
Intellectual Disability
Electrocardiography
Seizures
Therapeutics

Keywords

  • Cardiac arrhythmia
  • Electrical stimulation
  • Epilepsy
  • Seizure
  • Vagus nerve

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Bradycardia and asystole with the use of vagus nerve stimulation for the treatment of epilepsy : A rare complication of intraoperative device testing. / Asconapé, Jorge J.; Moore, David D.; Zipes, Douglas P.; Hartman, Laura M.; Duffell, William H.

In: Epilepsia, Vol. 40, No. 10, 1999, p. 1452-1454.

Research output: Contribution to journalArticle

Asconapé, Jorge J. ; Moore, David D. ; Zipes, Douglas P. ; Hartman, Laura M. ; Duffell, William H. / Bradycardia and asystole with the use of vagus nerve stimulation for the treatment of epilepsy : A rare complication of intraoperative device testing. In: Epilepsia. 1999 ; Vol. 40, No. 10. pp. 1452-1454.
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