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An Uncommon Cause of Urinary Tract Infections: A Case Report

Jonathan Otero-Colón1, Kristen L Farraj1, Zalak Desai1

  • 1Internal Medicine, Nassau University Medical Center, East Meadow, USA.

Cureus
|April 25, 2022
PubMed

Insights

Urinary tract infections (UTI) are common in the elderly. This case highlights Aerococcus urinae, a difficult-to-identify bacteria causing severe sepsis and death in an elderly male patient.

Area of Science:

  • Geriatric Medicine
  • Infectious Diseases
  • Microbiology

Background:

  • Urinary tract infections (UTI) are a frequent health concern in the elderly population.
  • UTIs can range from mild to life-threatening conditions like sepsis.
  • Common pathogens cause most UTIs, but emerging organisms require attention.

Observation:

  • Aerococcus urinae is an increasingly recognized cause of infection.
  • This bacterium is often misdiagnosed due to identification challenges.
  • A case involved an elderly male with a UTI caused by Aerococcus urinae.

Findings:

  • The patient developed bacteremia (bacteria in the bloodstream) secondary to the UTI.
  • The infection progressed to severe sepsis, a critical systemic inflammatory response.
  • Despite medical intervention, the patient's condition led to death.

Implications:

  • Highlights the importance of recognizing Aerococcus urinae in elderly patients with UTIs.
  • Emphasizes the need for improved diagnostic methods for this pathogen.
  • Underscores the potential severity of Aerococcus urinae infections, including sepsis and mortality.
Keywords:
aerococcusaerococcus urinaebacteremiasepsisurinary tract infection

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