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A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration
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Published on: February 27, 2018

[Pathophysiology of post-operative cognitive dysfunction: current hypotheses].

F-Z Laalou1, A-C Carre, C Forestier

  • 1GRERCA/INSERM U666, Faculté de médecine - Strasbourg.

Journal De Chirurgie
|October 29, 2008
PubMed
Summary
This summary is machine-generated.

Post-operative cognitive dysfunction (POCD) affects elderly patients, increasing with age and surgery type. General anesthesia may contribute to POCD through brain gene expression changes and inflammation.

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Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
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Last Updated: Jun 28, 2026

A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration
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Published on: February 27, 2018

Investigations on Alterations of Hippocampal Circuit Function Following Mild Traumatic Brain Injury
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Published on: November 19, 2012

Area of Science:

  • Geriatric Medicine
  • Anesthesiology
  • Neuroscience

Context:

  • Post-operative cognitive dysfunction (POCD) is a significant concern in elderly patients undergoing surgery.
  • POCD impacts daily living and social support systems.
  • Incidence rates are substantial, particularly in older age groups and after major surgery.

Purpose:

  • To explore the underlying mechanisms of POCD.
  • To investigate the role of general anesthesia and surgical inflammation in cognitive decline.
  • To highlight the importance of understanding POCD for perioperative care.

Summary:

  • General anesthesia can induce persistent changes in brain gene expression for at least 72 hours.
  • Surgical inflammation is a potential contributor to cognitive decline in the elderly.
  • Anesthetic drugs interacting with the cholinergic system, which is vulnerable in aging, may drive POCD pathogenesis.

Impact:

  • Emphasizes the need for pre-operative mental status evaluation in elderly patients.
  • Highlights the importance of informed consent regarding POCD risks.
  • Stresses the necessity for perioperative physicians to be adept in POCD prevention, diagnosis, and management.