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Related Experiment Video

Updated: Jun 23, 2026

A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration
08:17

A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration

Published on: February 27, 2018

Postoperative cognitive decline.

Anne-Mette Sauër1, Cornelis Kalkman, Diederik van Dijk

  • 1Department of Perioperative Care and Emergency Medicine, University Medical Center Utrecht, Utrecht, The Netherlands.

Journal of Anesthesia
|May 16, 2009
PubMed
Summary

Postoperative cognitive decline (POCD) is difficult to diagnose, with its true incidence unknown. Severe POCD, often seen after cardiac surgery, may stem from brain injury, with age being a key risk factor.

Area of Science:

  • Neuroscience
  • Gerontology
  • Anesthesiology

Background:

  • Memory loss and concentration issues are common after surgery.
  • Diagnosing postoperative cognitive decline (POCD) is challenging, making its true incidence unknown.
  • Severe POCD, evident without testing, is most frequent after cardiac and hip-replacement surgeries, likely due to microembolic brain injury.

Purpose of the Study:

  • To explore the challenges in diagnosing postoperative cognitive decline (POCD).
  • To identify risk factors and potential causes of POCD.
  • To investigate the influence of anesthetic techniques on POCD incidence.

Main Methods:

  • Review of existing literature on POCD.
  • Analysis of factors contributing to cognitive impairment post-surgery.

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A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration
08:17

A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration

Published on: February 27, 2018

  • Comparison of POCD rates across different surgical and anesthetic procedures.

    • Main Results:

    • Reliable diagnosis of POCD is difficult, obscuring its actual prevalence.
    • Advanced age is the primary risk factor for developing POCD.
    • Anesthetic technique (general vs. regional) does not appear to influence POCD risk.

    Conclusions:

    • POCD diagnosis remains a clinical challenge.
    • Age and surgical type (cardiac, hip replacement) are significant factors in POCD.
    • Anesthesia type is not a determinant for POCD.