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When Less Is More: Volume Considerations in the Treatment of Enterococcus faecalis Endocarditis

Sami El-Dalati1, William Harris2

  • 1Division of Infectious Diseases, Department of Internal Medicine, University of Kentucky HealthCare, Lexington, Kentucky, USA.

Open Forum Infectious Diseases
|May 25, 2026
PubMed

Insights

Current intravenous ampicillin and ceftriaxone treatments for Enterococcus faecalis endocarditis may cause fluid overload. Exploring push administration and oral therapy could reduce heart failure risks in these patients.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Pharmacology

Background:

  • The standard treatment for Enterococcus faecalis endocarditis involves a 6-week intravenous course of ampicillin and ceftriaxone.
  • This regimen necessitates substantial fluid and salt administration, posing risks of hypervolemia and heart failure in susceptible patients.
  • Recent intravenous fluid shortages prompted a shift towards push administration of medications, revealing potential for alternative delivery methods.

Purpose of the Study:

  • To evaluate alternative administration strategies for ampicillin and ceftriaxone in treating Enterococcus faecalis endocarditis.
  • To explore methods for reducing the incidence of hypervolemia and heart failure associated with current treatment protocols.
  • To assess the feasibility and safety of push administration and partial oral antibiotic therapy.

Main Methods:

  • Review of current treatment guidelines for Enterococcus faecalis endocarditis.
  • Analysis of the impact of intravenous fluid administration on patient outcomes.
  • Examination of the effects of push administration and partial oral therapy on medication delivery and patient safety.

Main Results:

  • The standard intravenous regimen is linked to increased risks of hypervolemia and heart failure.
  • Push administration of medications, including ampicillin and ceftriaxone, was implemented during fluid shortages without reported adverse effects.
  • Partial oral antibiotic therapy presents a potential adjunct to reduce overall fluid and salt burden.

Conclusions:

  • Alternative administration methods like push delivery and oral therapy may mitigate risks associated with Enterococcus faecalis endocarditis treatment.
  • Reducing fluid and salt administration is crucial for improving outcomes in patients with E. faecalis endocarditis.
  • Further research into evidence-based partial oral antibiotic strategies is warranted to optimize patient care.

Keywords:
endocarditisenterococcal infectionsheart failureoral antibiotic treatment

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