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Localizing and lateralizing value of ictal flatulence

Authors
Journal
Epilepsy & Behavior
1525-5050
Publisher
Elsevier
Publication Date
Volume
17
Issue
2
Identifiers
DOI: 10.1016/j.yebeh.2009.12.010
Keywords
  • Ictal Flatulence
  • Autonomic Seizures
  • Temporal Lobe
  • Insular Lobe
  • Epilepsy
Disciplines
  • Biology

Abstract

Abstract Objective Autonomic seizures have been associated with seizure onset in the temporal or insular lobe and consist of variations in blood pressure and heart rate, sweating, flushing, piloerection, hypersalivation, vomiting, spitting, and alterations in bladder and bowel functions. The aim of this study was to evaluate the localizing and lateralizing value of ictal flatulence. Methods Medical records of patients with focal epilepsies who were monitored at the Interdisciplinary Epilepsy Center Marburg between 2006 and 2009 were reviewed for the occurrence of ictal flatulence. Clinical, electrophysiological, and imaging data were reviewed and compared with data for previously reported cases of ictal flatulence. Results Two patients with ictal flatulence were identified (0.6%). In both patients, ictal flatulence was associated with a seizure pattern in the temporal lobe of the dominant hemisphere. Our cases and previously reported cases point toward activation of insular cortex because of such additional autonomic symptoms as unilateral piloerection, tachycardia, profound sweating, and flushing of the face. Conclusions Ictal flatulence is a rare manifestation of autonomic seizures and a localizing sign for temporal or/and insular lobe epilepsies. In general, ictal flatulence seems to have no lateralizing value.

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