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Related Experiment Videos

Fever in the ICU.

P E Marik1

  • 1Department of Internal Medicine, Section of Critical Care, Washington Hospital Center, Washington, DC 20010-2975, USA. pem4@mhg.edu

Chest
|March 14, 2000
PubMed
Summary
This summary is machine-generated.

Fever in intensive care unit (ICU) patients often leads to costly tests and antibiotic overuse. A systematic approach is crucial for managing diverse causes of fever, recognizing it as a host defense mechanism.

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Area of Science:

  • Critical Care Medicine
  • Infectious Diseases
  • Internal Medicine

Background:

  • Fever is a frequent complication in intensive care unit (ICU) patients.
  • It often triggers extensive diagnostic workups, increasing costs and antibiotic exposure.
  • ICU patients present complex cases with multiple potential causes for fever.

Purpose of the Study:

  • To review common infectious and noninfectious causes of fever in ICU patients.
  • To outline a systematic and rational diagnostic and management approach.
  • To emphasize fever as a host defense mechanism that may not require treatment.

Main Methods:

  • Literature review of common causes of fever in ICU settings.
  • Discussion of diagnostic strategies for fever of unknown origin.

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  • Analysis of treatment implications and necessity.

    • Main Results:

    • Pneumonia, sinusitis, and bloodstream infections are the most prevalent infectious causes.
    • The urinary tract is rarely a primary source of infection in ICU patients.
    • Fever is an evolutionary response and host defense, often not requiring direct treatment.

    Conclusions:

    • A systematic diagnostic approach is essential for managing fever in ICU patients.
    • Identifying the underlying cause is key to appropriate management, avoiding unnecessary interventions.
    • Fever itself is a protective mechanism and treatment should be judiciously considered.