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Related Experiment Videos

Delusional state following acute stroke.

Emre Kumral1, Ozgür Oztürk

  • 1Division of Stroke Unit, Department of Neurology, Ege University, Izmir, Turkey. ekumral@med.ege.edu.tr

Neurology
|January 14, 2004
PubMed
Summary

Delusional ideations occurred in 15 acute stroke patients. These specific delusions were linked to right temporoparietal brain lesions and typically resolved within a month.

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Area of Science:

  • Neuroscience
  • Neurology
  • Psychiatry

Background:

  • Delusional ideations (DIs) can manifest during the acute phase of stroke.
  • Atypical forms of DIs with unique behavioral characteristics have been documented.
  • Previous research suggests a link between DIs and specific brain lesion locations.

Purpose of the Study:

  • To investigate the occurrence and characteristics of delusional ideations in patients with acute stroke.
  • To identify the neuroanatomical correlates of delusional ideations following stroke.
  • To determine the typical duration and presentation of these delusional ideations.

Main Methods:

  • Prospective cohort study of 360 patients admitted with acute stroke within 24 hours of onset.
  • Identification and characterization of patients experiencing delusional ideations.
  • Neuroimaging analysis to correlate delusional ideations with specific lesion locations.

Main Results:

  • Delusional ideations were observed in 15 out of 360 patients (4.17%).
  • A significant association was found between delusional ideations and lesions in the right posterior temporoparietal regions.
  • The duration of delusional ideations was generally short, with most cases resolving within one month.

Conclusions:

  • Delusional ideations are a notable, albeit infrequent, neuropsychiatric complication of acute stroke.
  • Right posterior temporoparietal lesions are implicated in the development of these specific delusional ideations.
  • The transient nature of most delusional ideations suggests potential for recovery or resolution.

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