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[Changes in cognitive function performance in patients after anesthesia].

H Machado1, M J Pereira, J Orfão

  • 1Serviço de Anestesiologia, Hospital Geral de Santo António, Porto.

Acta Medica Portuguesa
|October 12, 2000
PubMed
Summary
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General Balanced Anaesthesia significantly decreased cognitive performance 24 hours post-surgery. Total Intravenous Anaesthesia and Regional Anaesthesia did not show significant changes in mental performance for surgical patients.

Area of Science:

  • Anesthesiology
  • Neuroscience
  • Surgical Care

Context:

  • Evaluating cognitive function in patients undergoing various surgeries (Orthopaedic, Urologic, Gynecologic, General, ENT).
  • Assessing impact of different anesthesia types on mental performance.
  • Utilizing the mini mental state test (MMS) for cognitive assessment.

Purpose:

  • To compare the effects of General Balanced Anaesthesia (GBA), Total Intravenous Anaesthesia (TIVA), and Regional Anaesthesia (RA) on cognitive function.
  • To determine if anesthesia type influences postoperative mental performance.
  • To identify potential risks associated with specific anesthetic techniques.

Summary:

  • 112 patients (ASA grade 1-2) were studied, receiving GBA (n=80), TIVA (n=17), or RA (n=15).

Related Experiment Videos

  • Cognitive function was assessed 24 hours pre- and post-anesthesia using the MMS test.
  • A significant decrease in MMS scores was observed 24 hours after GBA (p < 0.001), while TIVA and RA showed no significant changes.

    • Impact:

    • General Balanced Anaesthesia may negatively impact short-term cognitive function post-surgery.
    • Total Intravenous Anaesthesia and Regional Anaesthesia appear to preserve cognitive function better than GBA.
    • Findings suggest careful consideration of anesthesia choice for maintaining postoperative mental clarity.