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A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
04:38

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats

Published on: May 22, 2019

Depression-executive dysfunction syndrome relates to poor poststroke survival

Susanna Melkas1, Risto Vataja, Niku K J Oksala

  • 1Department of Neurology, Helsinki University Central Hospital, Finland. susanna.melkas@hus.fi

The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry
|September 3, 2010
PubMed

Insights

Poststroke depression combined with executive dysfunction significantly shortens long-term survival after stroke. This syndrome, not depression alone, predicts poorer outcomes in stroke survivors.

Area of Science:

  • Neurology
  • Psychiatry
  • Gerontology

Background:

  • Acute stroke survivors face risks of poststroke depression and executive dysfunction.
  • These conditions can impact long-term health and survival.
  • Understanding their combined effect is crucial for patient care.

Purpose of the Study:

  • To investigate the influence of poststroke depression and executive dysfunction on long-term survival after acute ischemic stroke.
  • To determine if depression alone or in combination with executive dysfunction is a predictor of mortality.

Main Methods:

  • A cohort of 257 acute ischemic stroke patients was followed for up to 12 years.
  • Depression was diagnosed 3 months post-stroke.
  • Kaplan-Meier analysis and Cox regression were used to assess survival.

Main Results:

  • Poststroke depression alone did not significantly affect survival.
  • Patients with both depression and executive dysfunction had significantly shorter median survival (6.6 years) compared to those without (10.3 years).
  • Executive dysfunction alone was strongly associated with poor survival (6.4 years vs. 10.6 years).
  • Poststroke depression with executive dysfunction (HR 1.63) and advanced age (HR 1.11) were independent predictors of poor long-term survival.

Conclusions:

  • The combination of depression and executive dysfunction (the depression-executive dysfunction syndrome) is a significant predictor of poor long-term survival after stroke.
  • Depression in isolation is not the primary driver of reduced survival; its interaction with executive dysfunction is key.
  • These findings highlight the importance of assessing and managing both depression and executive function in stroke survivors for improved long-term outcomes.
Abstract

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