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Related Experiment Videos

Post-ictal psychosis after right temporal lobectomy

R Manchanda1, H Miller, R S McLachlan

  • 1Department of Psychiatry, University of Western Ontario, London, Canada.

Journal of Neurology, Neurosurgery, and Psychiatry
|March 1, 1993
PubMed
Summary

Temporal lobectomies for epilepsy can rarely lead to new-onset post-ictal psychosis in male patients. Right-sided surgery and persistent seizures may increase this risk, especially within the first year after temporal lobectomy.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Psychiatry

Background:

  • Intractable epilepsy often necessitates surgical intervention, such as temporal lobectomy.
  • Understanding the potential neuropsychiatric complications of epilepsy surgery is crucial for patient management.

Purpose of the Study:

  • To investigate the incidence and characteristics of new-onset post-ictal psychosis following temporal lobectomy for intractable epilepsy.
  • To identify potential risk factors associated with the development of post-ictal psychosis after surgery.

Main Methods:

  • Retrospective analysis of 298 patients who underwent temporal lobectomy for intractable epilepsy.
  • Clinical data review including pre-operative psychiatric status, seizure control, and post-operative psychiatric events.

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Main Results:

  • Four patients (1.3%) developed new-onset post-ictal psychosis after surgery.
  • All affected patients were male with normal intelligence and no prior psychiatric history.
  • Psychotic symptoms were polymorphic and occurred after complex partial and generalized seizures.
  • Right temporal lobectomy was associated with increased susceptibility in patients with persistent seizures post-surgery.

Conclusions:

  • Post-ictal psychosis is a rare but possible complication of temporal lobectomy.
  • Male gender, right-sided surgery, and failure to achieve seizure freedom may be risk factors.
  • Close monitoring for psychiatric changes is warranted in epilepsy surgery patients, particularly in the first post-operative year.