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Hospital-acquired pneumococcal bacteremia.
Joan-Josep Canet1, Natalia Juan, Mariona Xercavins
1Department of Medicine, Hospital Mútua de Terrassa, University of Barcelona, 08221 Terrassa, Barcelona, Spain.
Summary
Hospital-acquired pneumococcal bacteremia is a serious infection, often occurring in winter months. Nearly half of patients died, highlighting the need for effective prevention and treatment strategies for this bloodstream infection.
Area of Science:
- Infectious Diseases
- Clinical Microbiology
- Epidemiology
Background:
- Hospital-acquired infections pose significant challenges in healthcare settings.
- Pneumococcal bacteremia, a serious bloodstream infection, can originate in hospitals.
- Understanding risk factors and outcomes is crucial for patient care.
Purpose of the Study:
- To identify key characteristics of hospital-acquired pneumococcal bacteremia.
- To analyze patient demographics, infection sources, antimicrobial resistance, and mortality.
- To inform clinical practice and public health strategies.
Main Methods:
- Prospective study of pneumococcal bacteremia cases at a teaching hospital (1988-2000).
- Analysis of 374 total cases, with a focus on 39 hospital-acquired episodes.
- Data collection included patient history, infection origin, antimicrobial susceptibility, and outcomes.
Main Results:
- 10% of pneumococcal bacteremia cases were hospital-acquired (39/374).
- Most cases occurred December-May; 28% had recent antimicrobial exposure.
- Respiratory tract was the most common infection source; mortality rate was 39%.
Conclusions:
- Hospital-acquired pneumococcal bacteremia is associated with high mortality.
- Penicillin-intermediate resistance and erythromycin resistance were observed.
- Underlying conditions predispose patients to severe outcomes.