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Published on: October 22, 2013
Pathogenicity of the enterococcus in surgical infections
P S Barie1, N V Christou, E P Dellinger
1Department of Surgery, Cornell University, New York, New York.
Abstract:
The enterococcus has been relegated to a position of unimportance in the pathogenesis of surgical infections. However the increasing prevalence and virulence of these bacteria prompt reconsideration of this view, particularly because the surgical patient has become increasingly vulnerable to infectious morbidity due to debility, immunosuppression, and therapy with increasingly potent antibiotics. The enterococcus is a versatile opportunistic nosocomial pathogen, causing such diverse infections as wound, intra-abdominal, and urinary tract infections; catheter-associated infection; suppurative thrombophlebitis; endocarditis; and pneumonia. Although surgical drainage remains the cornerstone of therapy for enterococcal infections involving a discrete focus, in the circumstances typified by the compromised surgical patient, specific antibacterial therapy directed against the enterococcus is warranted. Recent evidence indicates that parenteral antibiotic therapy for enterococcal bacteremia is mandatory and that appropriate therapy clearly reduces the number of deaths.
Insights
Enterococcus bacteria are increasingly virulent, posing risks to vulnerable surgical patients. Prompt antibacterial therapy for enterococcal infections, especially bacteremia, is crucial for reducing mortality.
Area of Science:
- Infectious Diseases
- Surgical Infections
- Microbiology
Background:
- Enterococcus is often underestimated in surgical infection pathogenesis.
- Surgical patients are increasingly vulnerable due to immunosuppression and potent antibiotics.
- Rising prevalence and virulence of Enterococcus necessitate re-evaluation.
Purpose of the Study:
- To reconsider the role of Enterococcus in surgical infections.
- To highlight the need for specific antibacterial therapy in compromised surgical patients.
- To emphasize the importance of treating enterococcal bacteremia.
Main Methods:
- Literature review on Enterococcus prevalence and virulence.
- Analysis of Enterococcus-related infections in surgical settings.
- Evaluation of current therapeutic strategies and outcomes.
Main Results:
- Enterococcus causes diverse nosocomial infections (wound, intra-abdominal, UTI, etc.).
- Compromised surgical patients require specific antibacterial treatment for Enterococcus.
- Parenteral antibiotic therapy for enterococcal bacteremia is mandatory and reduces mortality.
Conclusions:
- Enterococcus is a significant opportunistic pathogen in surgical patients.
- Specific antibiotic therapy is essential for managing enterococcal infections in vulnerable populations.
- Timely and appropriate treatment of enterococcal bacteremia improves patient survival.
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