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Related Experiment Videos

Intensive care unit syndrome: a dangerous misnomer.

B E McGuire1, C J Basten, C J Ryan

  • 1Department of Medical Psychology, Westmead Hospital and the University of Sydney, Australia.

Archives of Internal Medicine
|April 13, 2000
PubMed
Summary

Intensive care unit (ICU) syndrome is not a distinct condition but rather delirium caused by organic stressors. The term ICU syndrome should be abandoned to improve communication and patient care.

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Area of Science:

  • Critical Care Medicine
  • Neuroscience
  • Psychiatry

Background:

  • Intensive care unit (ICU) syndrome and ICU psychosis are terms used for psychiatric symptoms in the ICU.
  • Environmental factors like sleep deprivation and sensory issues are suspected causes.

Purpose of the Study:

  • To review empirical evidence for the causes of ICU syndrome.
  • To determine if ICU syndrome is distinct from delirium.
  • To evaluate the impact of the term ICU syndrome on clinical practice and research.

Main Methods:

  • Literature review of empirical studies on ICU syndrome and delirium.
  • Analysis of proposed etiological factors (sleep deprivation, sensory overload/monotony).
  • Critical evaluation of the term "ICU syndrome" in clinical and research contexts.

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Main Results:

  • ICU syndrome is indistinguishable from delirium.
  • Organic stressors on the central nervous system are the exclusive cause.
  • The term "ICU syndrome" hinders standardized communication and research.

Conclusions:

  • ICU syndrome is equivalent to delirium and results from organic CNS stressors.
  • The term "ICU syndrome" is detrimental, potentially delaying diagnosis and treatment of underlying medical causes.
  • Future research should focus on delirium in the ICU and avoid the term "ICU syndrome".