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Related Experiment Videos

HIV transmission during invasive radiologic procedures: estimate based on computer modeling

M E Hansen1, D D McIntire

  • 1Department of Radiology, University of Texas Southwestern Medical Center, Dallas 75235-8896, USA.

AJR. American Journal of Roentgenology
|February 1, 1996
PubMed
Summary

The risk of human immunodeficiency virus (HIV) transmission from physicians to patients during invasive radiologic procedures is extremely low. Therefore, global practice restrictions for HIV-positive interventional radiologists are not recommended.

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Area of Science:

  • Medical Imaging and Radiology
  • Infectious Diseases
  • Public Health Policy

Background:

  • Physician-to-patient transmission of human immunodeficiency virus (HIV) is a significant concern in healthcare settings.
  • Invasive radiologic procedures carry a potential risk of pathogen transmission.
  • Previous studies have estimated transmission risks during surgical procedures.

Purpose of the Study:

  • To estimate the risk of HIV transmission from physicians to patients during invasive radiologic procedures.
  • To compare this risk with estimates from surgical procedures to inform policy decisions.
  • To estimate the risk of HIV transmission from patients to physicians, including cumulative career risk for interventional radiologists.

Main Methods:

  • Computer modeling techniques were employed to estimate transmission risks.

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  • Data on HIV prevalence, injury rates during procedures, and transmission risks post-exposure were utilized.
  • A computer simulation model estimated cumulative career risk of occupational infection.

    • Main Results:

    • The estimated risk of HIV transmission from an unknown HIV status physician to a patient is 0.03 per million procedures.
    • If the physician is known to be HIV-positive, the risk to a patient is estimated at 7.5 per million procedures.
    • Patient-to-physician transmission risk ranges from 0.03 to 7.5 per million procedures; cumulative career risk over 30 years is estimated at 0.009-16%.

    Conclusions:

    • The risk of HIV transmission from physicians to patients during invasive radiology is very low, not warranting global practice restrictions.
    • Case-by-case assessments, rather than a priori restrictions, are recommended for HIV-infected interventional radiologists.
    • While patient-to-physician transmission risk is low, it is real, and cumulative occupational risk varies individually.