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Bacteremia in a long-term care facility. Spectrum and mortality
Archives of Internal Medicine
|August 1, 1984
Summary
This study on bacteremia in elderly patients found gram-negative bacteria caused most infections and deaths. Early diagnosis is crucial, as half of deaths occurred within 24 hours.
Area of Science:
- Infectious Diseases
- Geriatric Medicine
- Microbiology
Background:
- Bacteremia poses a significant threat, particularly in elderly populations.
- Understanding the epidemiology of bacteremia is critical for effective treatment strategies.
Purpose of the Study:
- To analyze the characteristics and outcomes of bacteremia in a geriatric cohort.
- To identify common pathogens and primary infection sources in elderly patients with bacteremia.
Main Methods:
- Retrospective analysis of 100 episodes of bacteremia.
- Categorization of bacteremia by causative organism type (Gram-positive, Gram-negative, polymicrobial).
- Identification of tissue source, common pathogens, and mortality rates.
Main Results:
- Gram-negative bacteremia was most common (67%) with a 25% mortality rate.
- Gram-positive bacteremia (24%) had a high mortality rate of 50%.
- Urinary tract infections were the most frequent source (56%), with rapid mortality observed within 24 hours.
Conclusions:
- Gram-negative bacteremia, particularly from urinary tract infections, is prevalent in the elderly.
- High mortality rates underscore the need for prompt recognition and management of bacteremia in geriatric patients.
- Further research into risk factors for bacteremia in this population is warranted.