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Asymptomatic Bacteriuria and Bacterial Interference.

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Summary
This summary is machine-generated.

Asymptomatic bacteriuria is common, especially in older women and those with genitourinary issues. Screening and treatment are only recommended for pregnant women and those at risk of sepsis, as it offers no benefit and can cause harm in other groups.

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Area of Science:

  • Urology
  • Infectious Diseases
  • Public Health

Background:

  • Asymptomatic bacteriuria (ASB) is common, increasing with age in women and prevalent in long-term care facilities.
  • Prevalence varies by age, gender, and underlying genitourinary conditions, with *Escherichia coli* being the most common pathogen.
  • While often benign, ASB poses risks for pyelonephritis in pregnant women and bacteremia/sepsis in certain patient groups.

Purpose of the Study:

  • To review the prevalence, risks, and management of asymptomatic bacteriuria.
  • To identify specific populations where screening and treatment are indicated.
  • To discuss the potential harms of antimicrobial treatment and explore alternative strategies.

Main Methods:

  • Literature review and synthesis of existing data on asymptomatic bacteriuria prevalence and outcomes.
  • Analysis of risks associated with untreated ASB in specific populations.
  • Evaluation of the benefits and harms of antimicrobial treatment for ASB.

Main Results:

  • ASB is common in elderly women and residents of long-term care facilities.
  • Pregnant women with ASB have a significant risk of pyelonephritis if untreated.
  • Antimicrobial treatment for ASB in non-pregnant, non-high-risk individuals offers no benefit and can lead to negative outcomes like antimicrobial resistance.

Conclusions:

  • Screening and treatment for ASB are recommended only for pregnant women and individuals at high risk for severe outcomes (e.g., sepsis).
  • In most populations, ASB is benign and does not require intervention.
  • Antimicrobial treatment for ASB is associated with adverse effects, prompting research into alternative strategies like bacterial interference.