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[Enterobacter, Serratia, Acinetobacter or Pseudomonas septicemias].
V Billiau1, C Beuscart, O Leroy
1Service Régional des Maladies Infectieuses, Tourcoing, France.
Pathologie-Biologie
|January 1, 1989
Summary
Mortality from bacteremia caused by multidrug-resistant organisms was high (27.9%). Advanced age, hospital-acquired infections, shock, and single-drug therapy increased fatality risk in these severe infections.
Area of Science:
- Infectious Diseases
- Microbiology
- Critical Care Medicine
Context:
- Bacteremia due to Gram-negative bacilli, including Enterobacter, Acinetobacter, Serratia, and Pseudomonas species, poses a significant clinical challenge.
- Multidrug-resistant (MDR) organisms were identified in 48 cases collected between 1985 and 1986.
- A high mortality rate of 27.9% was observed in infections caused by these MDR organisms.
Purpose:
- To analyze the mortality rate and identify prognostic factors associated with bacteremia caused by specific Gram-negative bacilli.
- To guide antimicrobial treatment strategies for nosocomial bacteremias, especially those involving MDR pathogens.
Summary:
- The study identified key factors contributing to a high fatality rate in bacteremic patients.
- Factors associated with increased mortality included advanced age (over 75 years), hospital-acquired infections, septic shock, and the use of single antimicrobial therapy.
- Clinical presentation of these infections is often non-specific, complicating early diagnosis and treatment.
Impact:
- Findings underscore the severity of infections caused by multidrug-resistant Gram-negative bacilli.
- Recommendations emphasize the use of broad-spectrum, rapid-acting antimicrobial agents, often in combination, for treating nosocomial bacteremias.
- Highlights the need for vigilant infection control and timely, appropriate antimicrobial stewardship in healthcare settings.