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Related Experiment Videos

Postmortem enzyme immunoassay for human immunodeficiency virus.

E C Klatt1, D Shibata, S M Strigle

  • 1Department of Laboratories and Pathology, Los Angeles County-University of Southern California Medical Center.

Archives of Pathology & Laboratory Medicine
|May 1, 1989
PubMed
Summary
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Postmortem enzyme immunoassay testing for human immunodeficiency virus (HIV) antibody in blood and vitreous humor is reliable. This testing can aid in diagnosing acquired immunodeficiency syndrome (AIDS) for medical and legal purposes.

Area of Science:

  • Forensic pathology
  • Immunology
  • Infectious disease

Background:

  • Reliable postmortem diagnostics are crucial for determining cause of death and disease prevalence.
  • Human immunodeficiency virus (HIV) diagnosis relies on accurate antibody detection.
  • Challenges exist in postmortem specimen integrity due to autolysis and hemolysis.

Purpose of the Study:

  • To evaluate the reliability of postmortem enzyme immunoassay (EIA) for detecting HIV antibody in blood and vitreous humor.
  • To assess the utility of postmortem HIV testing in patients meeting acquired immunodeficiency syndrome (AIDS) criteria.

Main Methods:

  • Enzyme immunoassay (EIA) testing for HIV antibody was performed on postmortem blood and vitreous humor specimens.
  • Specimens were collected at varying postmortem intervals.

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  • Results were compared with premortem HIV test results and histopathologic findings.

    • Main Results:

    • Postmortem blood and vitreous humor consistently tested positive for HIV antibody in confirmed AIDS cases, even after extended postmortem intervals.
    • No false-negative results were observed in serum specimens.
    • One-third of vitreous humor specimens tested 34+ hours postmortem were negative in AIDS patients.
    • No false-positive results occurred in control specimens from non-AIDS autopsies.

    Conclusions:

    • Postmortem EIA testing of blood and vitreous humor demonstrates reliability for HIV antibody detection.
    • This method may be valuable for screening high-risk populations and diagnosing AIDS for medical, legal, and epidemiological purposes.