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Septic arthritis in the geriatric population
The Journal of the Oklahoma State Medical Association
|December 1, 1989
Summary
Septic arthritis is common in older adults, often affecting the knee and caused by Staphylococcus aureus. Early diagnosis is crucial as the condition can be indolent, leading to worse outcomes in geriatric patients.
Area of Science:
- Geriatric Medicine
- Infectious Diseases
- Rheumatology
Background:
- Septic arthritis is a significant infection in patients over sixty years old.
- The geriatric population accounts for 25-50% of nongonococcal bacterial arthritis cases.
- A prior history of arthritis is a major predisposing factor in geriatric septic arthritis.
Purpose of the Study:
- To review cases of septic arthritis in geriatric patients.
- To identify common pathogens and predisposing factors.
- To inform treatment guidelines for geriatric septic arthritis.
Main Methods:
- Retrospective study of 22 geriatric patients with septic arthritis.
- Analysis of patient history, affected joints, and causative pathogens.
- Review of treatment approaches and patient outcomes.
Main Results:
- The knee was the most commonly affected joint.
- Staphylococcus aureus was the predominant pathogen, with gram-negative organisms also significant.
- A history of arthritis was the primary predisposing factor.
- The disease may present indolently, delaying diagnosis and increasing morbidity.
Conclusions:
- Empiric antibiotic coverage for gram-negative organisms should be reserved for geriatric patients with multiple predisposing factors.
- Delayed diagnosis due to indolent presentation contributes to increased morbidity and mortality.
- Further research into the unique aspects of geriatric septic arthritis is warranted.