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Serratia marcescens Prosthetic Valve Endocarditis: Portending a Dismal Course
Selma Siagh1, Najlaa Belharty1, Hasna Rami1
1Department of Cardiology B, Ibn Sina Hospital, Rabat, MAR.
Cureus
|December 5, 2024
Summary
Serratia marcescens infective endocarditis (IE) is rare but deadly, especially in prosthetic valve patients. This case highlights the need for better diagnostic and therapeutic strategies for this challenging infection.
Area of Science:
- Infectious Diseases
- Cardiology
- Critical Care Medicine
Background:
- Serratia marcescens is an opportunistic pathogen frequently associated with healthcare-associated infections.
- Infective endocarditis (IE) caused by S. marcescens is uncommon and associated with higher mortality rates than typical IE pathogens.
Observation:
- A 70-year-old male with a recent mitral valve replacement presented with early prosthetic valve endocarditis.
- The patient experienced high-grade fever and clinical deterioration, leading to the diagnosis of S. marcescens IE.
Findings:
- Despite treatment with ertapenem and surgical intervention, the patient's prognosis remained unfavorable.
- This case underscores the aggressive nature and poor outcomes associated with S. marcescens IE.
Implications:
- Further research into S. marcescens IE is crucial for developing effective prevention and treatment guidelines.
- Special attention is needed for managing prosthetic valve endocarditis caused by this pathogen to improve patient outcomes.
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