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Asymptomatic bacteriuria in the elderly

L E Nicolle1

  • 1Department of Internal Medicine, University of Manitoba, St. Boniface Hospital, Winnipeg, Canada.

Infectious Disease Clinics of North America
|October 6, 1997
PubMed
Summary
This summary is machine-generated.

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Asymptomatic bacteriuria is common in older adults due to aging and illness, but generally causes no harm. Further research is needed to understand its link to symptomatic infections and antimicrobial resistance.

Area of Science:

  • Geriatrics
  • Infectious Diseases
  • Urology

Background:

  • Asymptomatic bacteriuria (ASB) is common in elderly populations.
  • Physiologic aging and comorbid illnesses are major contributing factors.
  • High prevalence and incidence of ASB in the elderly have minimal adverse outcomes and no impact on survival.

Purpose of the Study:

  • To investigate the incidence of ASB and its relationship to symptomatic infection in non-institutionalized elderly populations.
  • To refine the clinical diagnosis of symptomatic urinary tract infections in institutionalized elderly individuals with high ASB prevalence.
  • To assess the role of ASB reservoirs in elderly institutionalized subjects as a contributor to antimicrobial resistance.

Main Methods:

  • Observational studies in non-institutionalized elderly populations.

Related Experiment Videos

  • Clinical diagnostic refinement studies in institutionalized elderly populations.
  • Antimicrobial resistance surveillance in institutionalized elderly populations.

    • Main Results:

    • ASB is frequent in the elderly, linked to aging and comorbidities.
    • No significant short-term or long-term adverse outcomes or impact on survival observed.
    • Key questions regarding incidence, diagnosis, and antimicrobial resistance remain unresolved.

    Conclusions:

    • ASB in the elderly is prevalent but generally benign.
    • Further research is crucial for non-institutionalized populations to distinguish ASB from symptomatic infection.
    • Clarifying the role of ASB in antimicrobial resistance within institutionalized elderly populations is a priority.