Clinical, immunologic, and serologic findings in men at risk for acquired immunodeficiency syndrome. The San

JAMA
|January 16, 1987
PubMed

Insights

Nearly half of homosexual/bisexual men studied had human immunodeficiency virus (HIV) antibodies. Clinical signs, excluding lymphadenopathy, correlated with immune impairment in HIV-positive individuals.

Area of Science:

  • Epidemiology
  • Immunology
  • Public Health

Background:

  • The human immunodeficiency virus (HIV) epidemic disproportionately affected men who have sex with men.
  • Understanding the prevalence and clinical indicators of HIV infection in specific populations is crucial for public health interventions.

Purpose of the Study:

  • To determine the prevalence of HIV infection among homosexual and bisexual men in San Francisco.
  • To identify clinical signs and laboratory markers associated with HIV infection and immune impairment.

Main Methods:

  • A population-based probability sample of 1034 single men in San Francisco was recruited.
  • Participants underwent serological testing for HIV antibodies.
  • Clinical examinations and laboratory tests, including T cell subset analysis and skin test reactivity, were performed.

Main Results:

  • Forty-nine percent of homosexual/bisexual men tested positive for HIV antibodies; all heterosexual men were negative.
  • Among seropositive men, 29% had marked lymphadenopathy, and 16% presented with at least two other HIV-suggestive symptoms.
  • Presence of multiple clinical signs (excluding lymphadenopathy) correlated with HIV infection, reduced skin test reactivity, and lower Leu 3a T helper cell counts.

Conclusions:

  • HIV infection was highly prevalent in this San Francisco cohort of homosexual/bisexual men.
  • Clinical manifestations, in conjunction with immunological markers like T cell counts, are important indicators of HIV infection and immune status.
  • Lymphadenopathy alone was not a reliable indicator of the severity of immune impairment.

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