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Urinary tract infection in men with AIDS

A M De Pinho1, G S Lopes, C F Ramos-Filho

  • 1Departamento de Medicina Preventiva, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Brasil.

Genitourinary Medicine
|February 1, 1994
PubMed
Summary

Men with AIDS experience more frequent bacteriuria and symptomatic urinary tract infections (UTI). Escherichia coli was the main pathogen, and UTI contributed to morbidity in AIDS patients.

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Area of Science:

  • Infectious Diseases
  • Urology
  • Immunology

Background:

  • Urinary tract infections (UTIs) are common bacterial infections.
  • HIV infection can impact immune function, potentially increasing susceptibility to infections.
  • The frequency of UTIs in men with HIV, particularly those with AIDS, requires further investigation.

Purpose of the Study:

  • To determine if bacteriuria and symptomatic UTIs are more frequent in men with HIV infection.
  • To compare infection rates across different stages of HIV infection (AIDS, asymptomatic HIV, and HIV-negative controls).

Main Methods:

  • A cross-sectional study involving 415 men aged 18-50, divided into three groups: AIDS patients, HIV-negative individuals, and asymptomatic HIV-infected individuals.
  • Exclusion of participants with known UTI predisposing factors.

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  • Collection of clean-catch midstream urine samples for bacterial culture, with bacteriuria defined as >= 100,000 colony-forming units/ml.

    • Main Results:

    • Bacteriuria was significantly more frequent in men with AIDS (13.3%) compared to HIV-negative (1.8%) and asymptomatic HIV-infected (3.2%) groups.
    • Symptomatic UTIs occurred in 6.6% of AIDS patients, with no cases reported in the other two groups.
    • Escherichia coli was the predominant pathogen; symptomatic UTIs in AIDS patients were associated with a 20% in-hospital mortality rate.

    Conclusions:

    • Men with AIDS exhibit an increased incidence of bacteriuria and symptomatic UTIs.
    • Symptomatic UTIs, often caused by E. coli, represent a significant cause of morbidity in men with AIDS.
    • These findings highlight the need for vigilance and appropriate management of UTIs in the HIV-infected population.