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Does knowledge of human immunodeficiency virus infection decrease the frequency of occupational exposure to blood?

J L Gerberding1

  • 1Department of Medicine and Infectious Diseases, University of California, San Francisco.

The American Journal of Medicine
|September 16, 1991
PubMed
Summary
This summary is machine-generated.

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Universal precautions help prevent bloodborne pathogen exposure. Identifying patients with human immunodeficiency virus (HIV) infection does not consistently improve healthcare worker safety or compliance with precautions.

Area of Science:

  • Infection Control
  • Public Health
  • Epidemiology

Background:

  • Universal precautions are standard for preventing bloodborne pathogen exposure, including human immunodeficiency virus (HIV).
  • Some propose that identifying infected patients could further reduce exposure risks.
  • Potential benefits include improved compliance and procedural adjustments.

Purpose of the Study:

  • To evaluate the additional benefits of identifying human immunodeficiency virus (HIV) infected patients beyond universal precautions.
  • To assess the impact of HIV status awareness on healthcare worker compliance and exposure rates.

Main Methods:

  • Review of existing studies on universal precautions and HIV testing efficacy.
  • Analysis of healthcare worker perceptions and objective data on exposure rates.

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  • Consideration of cost-effectiveness in different prevalence settings.

    • Main Results:

    • Universal precautions may reduce some exposures but not necessarily needlestick injuries.
    • No objective data confirm improved safety from identifying infected patients.
    • Awareness of occupational HIV risk motivates compliance; testing offers little additional benefit for aware workers.
    • Routine testing in low-prevalence areas is not cost-effective.

    Conclusions:

    • Healthcare workers aware of occupational HIV risk are motivated to follow universal precautions.
    • Current evidence does not support routine HIV testing for enhancing safety beyond universal precautions.
    • Infection control policies should allow institutional autonomy pending further research on efficacy and costs.