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Infection in the elderly

Tin Han Htwe1, Adnan Mushtaq, Sherry B Robinson

  • 1Division of Infectious Diseases, Southern Illinois University School of Medicine, Post Box 19636, Springfield, IL 62794-9636, USA.

Insights

Aging increases infectious disease risk in the elderly due to immunologic changes. Careful antimicrobial selection is vital, considering drug interactions and common infections in older adults.

Area of Science:

  • Gerontology
  • Infectious Diseases
  • Immunology

Background:

  • Aging leads to functional, demographic, and immunologic changes.
  • These changes increase the incidence and severity of infections in the elderly.
  • Age-related organ system alterations complicate disease management.

Purpose of the Study:

  • To highlight the challenges in managing infectious diseases in the elderly.
  • To emphasize the importance of considering comorbidities and polypharmacy in treatment decisions.
  • To identify common infections prevalent in the older adult population.

Main Methods:

  • Review of age-associated physiological and immunological shifts.
  • Analysis of common infectious disease patterns in the elderly.
  • Consideration of pharmacological challenges in geriatric antimicrobial therapy.

Main Results:

  • Increased susceptibility to infections due to immunosenescence.
  • Complicated treatment regimens due to multiple medications and potential drug interactions.
  • High prevalence of skin/soft tissue, urinary tract, respiratory, and gastrointestinal infections.

Conclusions:

  • Effective management requires a comprehensive approach addressing age-specific vulnerabilities.
  • Antimicrobial therapy must be carefully selected to avoid adverse events and drug interactions.
  • Organized, well-funded programs are essential to improve infectious disease care for the elderly.

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