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Related Experiment Videos

Coma, delirium, and cognitive dysfunction in critical illness.

Robert D Stevens1, Paul A Nyquist

  • 1Department of Anesthesiology, Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. rstevens@jhmi.edu

Critical Care Clinics
|January 24, 2007
PubMed
Summary
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Critical illness can cause brain dysfunction, including coma and cognitive impairment, often due to systemic issues. Further research is needed to understand mechanisms for better prevention and treatment of these brain disorders.

Area of Science:

  • Neurology
  • Critical Care Medicine
  • Neuroscience

Background:

  • Critical illness is frequently associated with global cerebral dysfunction.
  • These syndromes manifest as acute disorders like coma and delirium, or chronic cognitive impairment.
  • Cerebral dysfunction can stem from direct brain injury or systemic insults.

Purpose of the Study:

  • To review the current understanding of global cerebral dysfunction in critical illness.
  • To differentiate between coma and other disorders of consciousness, such as the locked-in state.
  • To highlight areas for future research in the prevention and treatment of critical illness-associated brain dysfunction.

Main Methods:

  • Literature review and synthesis of existing research on cerebral dysfunction in critical illness.

Related Experiment Videos

  • Analysis of diagnostic criteria and epidemiological data for coma and related disorders.
  • Discussion of the evolution of consciousness disorders in the intensive care unit (ICU) setting.

    • Main Results:

    • Global cerebral dysfunction is a significant complication of critical illness.
    • Coma is a common acute manifestation, requiring differentiation from preserved consciousness states.
    • Advances in defining and scoring these conditions exist, but mechanistic understanding is limited.

    Conclusions:

    • Critical illness poses a risk for acute and chronic brain dysfunction.
    • Improved understanding of underlying mechanisms is crucial for developing targeted therapies.
    • Future research should focus on prevention and therapeutic strategies for cerebral dysfunction in critically ill patients.