Related Experiment Videos
[The definition of acquired immunodeficiency syndrome (AIDS)]
J W Curran1, R M Selik, S L Solomon
1Centers for Disease Control, AIDS-Programm, Atlanta, Georgia.
Insights
The revised CDC AIDS case definition clarifies laboratory results and diseases indicating HIV infection. It categorizes indicator diseases based on HIV status and diagnostic certainty, aiding accurate diagnosis.
Area of Science:
- Immunology
- Virology
- Public Health
Context:
- The Centers for Disease Control and Prevention (CDC) periodically revises the case definition for Acquired Immunodeficiency Syndrome (AIDS).
- Accurate diagnosis of HIV-infection relies on specific laboratory findings and the presence of certain indicator diseases.
- Previous definitions may have lacked precision in interpreting laboratory results and diagnosing associated conditions.
Purpose:
- To outline the updated CDC case definition for AIDS, emphasizing laboratory criteria and indicator diseases for HIV infection.
- To provide clear guidelines for interpreting laboratory results in the context of HIV-positive and HIV-negative findings.
- To detail diagnostic criteria for indicator diseases, including definitive and presumptive diagnoses.
Summary:
- The revised CDC AIDS case definition precisely details laboratory results and diseases indicative of HIV infection.
- Indicator diseases are classified based on HIV laboratory findings (positive or negative) and diagnostic certainty (definite or presumptive).
- Appendices offer guidance on interpreting laboratory results to exclude, establish, or consider AIDS diagnoses inconclusive, and specify methods for definitive and presumptive disease diagnosis.
Impact:
- Facilitates more consistent and accurate diagnosis of AIDS and HIV infection globally.
- Improves clinical decision-making by providing clear diagnostic pathways.
- Enhances public health surveillance and reporting of HIV/AIDS cases.
Abstract:
The new, revised CDC case definition of AIDS (1) specifies precisely, which laboratory results and which diseases may indicate HIV-infection. The indicator diseases are divided into those with HIV-positive and HIV-not positive laboratory findings. The latter group is subdivided into diseases diagnosed definitely and diagnosed presumptively. Appendices contain directions for the interpretation of results of laboratory examinations indicating, under which circumstances the diagnosis of AIDS can be excluded or can definitely be established or which findings must be considered inconclusive. Further, the methods are listed, which have to be employed in order to provide a definitive diagnosis of an indicator disease and under which conditions a presumptive diagnosis of a disease, indicative of AIDS, is admitted.