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Related Experiment Videos

Prosthetic joint infections in the elderly.

K A Powers1, M S Terpenning, R A Voice

  • 1Department of Internal Medicine, University of Michigan Medical School, Ann Arbor.

The American Journal of Medicine
|May 1, 1990
PubMed
Summary

Prosthetic joint infections in elderly patients are serious, often leading to poor outcomes. Device removal is crucial for infection resolution, though eradication remains challenging even after removal.

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Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Geriatric Medicine

Background:

  • Prosthetic joint infections (PJIs) pose significant challenges in elderly patients.
  • Understanding risk factors, causative organisms, and treatment outcomes is vital for improving patient care.

Purpose of the Study:

  • To review risk factors, symptoms, signs, causative organisms, treatment, and outcomes of PJIs in elderly patients.
  • To identify key factors influencing treatment success and functional recovery in this demographic.

Main Methods:

  • Retrospective review of elderly patients (over 60) diagnosed with prosthetic joint infection.
  • Analysis of early (within 12 months) versus late (after 12 months) infections.
  • Identification of common pathogens, including staphylococci, enterococci, gram-negative bacilli, and anaerobes.

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Main Results:

  • Fifty-one PJI episodes in 38 elderly patients were analyzed.
  • Common pathogens included coagulase-negative staphylococci, Staphylococcus aureus, and Group D enterococci.
  • Infection resolution rates were low (61% with device removal, 0% without); functional outcomes were poor, with mobility limitations, complications, and mortality.

Conclusions:

  • PJIs in the elderly are severe with poor functional prognosis.
  • Prosthetic device removal is essential for infection control.
  • Even with removal, eradicating infection in elderly patients with PJIs is difficult.