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Pneumococcosuria in adults.

V Q Nguyen1, R L Penn

  • 1Department of Medicine, Veterans Administration Medical Center, Shreveport, Louisiana.

Journal of Clinical Microbiology
|June 1, 1988
PubMed
Summary
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Pneumococcal bacteriuria, or Streptococcus pneumoniae in urine, often doesn't indicate systemic infection in adults. This finding frequently resolved on its own and did not require antibiotic treatment.

Area of Science:

  • Infectious Diseases
  • Urology
  • Microbiology

Background:

  • Pneumococcal bacteriuria is typically associated with systemic pneumococcal infection, particularly in pediatric populations.
  • The clinical significance of pneumococcal bacteriuria in adult patients remains less understood.
  • This study investigates the frequency and implications of Streptococcus pneumoniae detected in urine among adult patients.

Purpose of the Study:

  • To determine the prevalence of pneumococcal bacteriuria in adult patients.
  • To assess the association between pneumococcal bacteriuria and systemic pneumococcal infection.
  • To evaluate the clinical significance and management of pneumococcal bacteriuria in adults.

Main Methods:

  • Retrospective review of microbiology laboratory log books from 1982 to 1985 at the Shreveport Veterans Administration Medical Center.

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  • Analysis of medical records for 31 adult patients with confirmed pneumococcal bacteriuria.
  • Evaluation of urine collection techniques, specimen characteristics (pH, specific gravity), and patient demographics and comorbidities.

    • Main Results:

    • Pneumococcal bacteriuria (38 cases) was more frequent than pneumococcal bacteremia (33 cases), with only 2 patients having both.
    • The majority of patients were elderly men (≥60 years) with underlying genitourinary disorders.
    • Pneumococcal bacteriuria was often an incidental finding, not associated with systemic infection, and frequently resolved spontaneously without antibiotic intervention.

    Conclusions:

    • Pneumococcal bacteriuria in adults is often not indicative of a systemic Streptococcus pneumoniae infection.
    • The presence of pneumococci in urine alone does not necessitate antibiotic therapy in this patient population.
    • Further investigation into the specific factors contributing to pneumococcal bacteriuria is warranted.