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Updated: Jun 3, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
Published on: June 4, 2012
Recurrent Pseudomonas aortic root abscess complicating mitral valve endocarditis.
Ashim Aggarwal1, Nathan Ritter, Lohith Reddy
1Department of Internal Medicine, Unity Health System, Rochester, New York 14626, USA. ashim14@gmail.com
Pseudomonas aeruginosa endocarditis can aggressively infect the aortic root, leading to abscesses and sepsis. Despite surgical intervention, this rare condition proved lethal in a recent case report.
Area of Science:
- Cardiology
- Infectious Diseases
- Surgical Pathology
Background:
- Endocarditis is an infection of the heart lining, often affecting heart valves.
- Pseudomonas aeruginosa is an opportunistic pathogen that can cause severe infections.
Observation:
- A case of a patient with Pseudomonas aeruginosa endocarditis presenting with an aortic root abscess is described.
- The patient underwent aortic root replacement with a homograft and tissue aortic valve implantation.
Findings:
- The patient experienced recurrent aortic root infection and respiratory arrest post-surgery.
- Sepsis ultimately led to the patient's demise, despite comprehensive medical and surgical management.
Implications:
- This case underscores the virulent nature of Pseudomonas aeruginosa in endocarditis.
- It highlights the potential for atypical and fatal outcomes even with advanced treatments for this uncommon pathogen.
Related Concept Videos
Endocarditis I: Introduction
Endocarditis III: Medical Management
Mitral Stenosis I: Introduction
Mitral Stenosis III: Medical Management
Mitral Regurgitation I: Introduction
Aortic Regurgitation I: Introduction
