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Published on: April 9, 2014
Nonoccupational HIV post-exposure prophylaxis: a 10-year retrospective analysis
1Service of Infectious Diseases, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland.
HIV Medicine
|March 30, 2010
Summary
Nonoccupational HIV post-exposure prophylaxis (nPEP) requests significantly increased over ten years. Source HIV testing is crucial, preventing unnecessary nPEP in 31% of cases and identifying new infections.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- Retrospective analysis of nonoccupational HIV post-exposure prophylaxis (nPEP) administration over a 10-year period.
- Systematic tracing and testing of exposure sources were integral to the study center's protocol.
Purpose of the Study:
- To analyze trends in nPEP requests and outcomes.
- To evaluate the impact of source HIV testing on nPEP management.
- To assess the prevalence of HIV in individuals seeking nPEP.
Main Methods:
- Review of nPEP requests from 1998-2007.
- Analysis of patient characteristics, exposure types, and clinical/serological outcomes.
- Systematic HIV testing of exposure sources.
Main Results:
- nPEP requests increased by 850% over the decade.
- Heterosexual exposures were most common (58%), followed by nonsexual (20%).
- Source HIV testing identified 11 new infections (3.7% prevalence) and avoided nPEP in 31% of cases. 56% reported side effects, with 5% interrupting treatment.
Conclusions:
- nPEP utilization rose significantly, highlighting evolving risk behaviors or awareness.
- Source HIV testing is essential for appropriate nPEP management, preventing unnecessary treatment and identifying undiagnosed infections.
- This approach aids in screening at-risk populations, revealing a higher HIV prevalence (3.7%) than the general population (0.3% in Switzerland).
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