Clinical Features, Risk Factors, and Outcomes of Enterococcal Bacteraemia

Overview

This study evaluates the clinical characteristics and outcomes of enterococcal bacteraemia in a high-risk patient population, focusing on the application of the DENOVA score. The findings highlight the significant mortality rates associated with enterococcal infections.

Background

Enterococcal bacteraemia, primarily caused by E. faecalis and E. faecium, poses a substantial risk to elderly and immunocompromised patients, with mortality rates ranging from 14% to 50%. The differentiation between E. faecalis and E. faecium is crucial due to their differing resistance profiles and clinical implications. The DENOVA score has been validated as a tool to identify patients requiring echocardiography for potential infective endocarditis.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

• Enterococcal bacteraemia is associated with high mortality rates, particularly in high-risk populations.
• The DENOVA score has shown high sensitivity and specificity for identifying patients with E. faecalis bacteraemia at risk for infective endocarditis.
• Inappropriate therapy and vancomycin resistance are linked to increased mortality in enterococcal infections.
• E. faecium bacteraemia is more frequently associated with antibiotic resistance and higher mortality rates compared to E. faecalis.
• The study population consisted of immunocompromised patients, reflecting the complexity of managing enterococcal infections in such cohorts.

Clinical Implications

Clinicians should remain vigilant for signs of infective endocarditis and consider the implications of antibiotic resistance in treatment decisions.

Conclusion

The study highlights the importance of understanding the clinical characteristics of enterococcal bacteraemia and the utility of the DENOVA score in a high-risk patient population.

Related Resources & Content

1. Open Forum Infectious Diseases, 2023 -- Risk Assessment Tools for Identifying Patients with Enterococcal Bacteremia at Elevated Risk for Endocarditis
2. Infection, 2018 -- The DENOVA scoring system effectively identifies patients with monomicrobial Enterococcus faecalis bacteremia, eliminating the need for echocardiographic evaluation.
3. Infection, 2025 -- Factors Influencing Mortality in Enterococcal Bacteraemia and the Impact of Source Control Measures: A Retrospective Cohort Analysis
4. Clinical Infectious Diseases, 2023 -- 2023 Duke-International Society for Cardiovascular Infectious Diseases Criteria for Infective Endocarditis: Updating the Modified Duke Criteria
5. Open Forum Infectious Diseases — Role of Giannella and Increment Scores to Predict OXA-48 Carbapenemase Producing Enterobacterales Infection and Mortality in Previous Rectal Carriers
6. The DENOVA score efficiently identifies patients with monomicrobial Enterococcus faecalis bacteremia where echocardiography is not necessary
7. 2023 Duke-International Society for Cardiovascular Infectious Diseases Criteria for Infective Endocarditis: Updating the Modified Duke Criteria | Clinical Infectious Diseases | Oxford Academic
8. Predictors of mortality of enterococcal bacteraemia and the role of source control interventions; a retrospective cohort study | Infection | Springer Nature Link