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Related Experiment Videos

Is dopamine administration possibly a risk factor for delirium?

Barbara R Sommer1, Lowell C Wise, Helena C Kraemer

  • 1Department of Psychiatry, Stanford University School of Medicine, Stanford, CA, USA.

Critical Care Medicine
|July 20, 2002
PubMed
Summary

Intravenous dopamine administration significantly increases the likelihood of needing haloperidol, a medication often used for delirium. This association suggests dopamine may be a risk factor for delirium, warranting further investigation.

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Area of Science:

  • Critical Care Medicine
  • Neuroscience
  • Pharmacology

Background:

  • Delirium is a common and serious complication in hospitalized patients.
  • Dopamine, a vasoactive agent, is frequently used in critical care settings.
  • The potential link between dopamine administration and delirium has not been fully elucidated.

Purpose of the Study:

  • To investigate the association between intravenous dopamine administration and the subsequent need for haloperidol, an indicator of delirium.
  • To determine if dopamine is a risk factor for delirium in hospitalized patients.

Main Methods:

  • Retrospective analysis of 21,844 inpatient admissions at a university hospital.
  • Multivariate logistic regression was employed to assess the predictive value of dopamine for haloperidol requirement.

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  • Analysis included adjustments for illness severity indicators like ICU admission and diagnostic related group weight.

    • Main Results:

    • Dopamine administration was associated with a nearly threefold increase in the odds of requiring haloperidol (Odds Ratio = 2.89, p < .0001).
    • This association remained significant even after controlling for illness severity.
    • The increased risk was observed across various age groups (after age 20) and within the intensive care unit population.

    Conclusions:

    • A potent association exists between dopamine administration and the need for haloperidol, suggesting dopamine may be a risk factor for delirium.
    • Limitations include the retrospective design and the use of haloperidol as a proxy for delirium.
    • Prospective studies are recommended to confirm causality and explore prophylactic strategies for delirium in patients receiving dopamine.