Related Experiment Video
Updated: Jul 9, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
Published on: June 4, 2012
Health care-associated endocarditis caused by Staphylococcus aureus with reduced susceptibility to vancomycin
Chia-Yu Chi1, Tsai-Ling Lauderdale, Shih-Min Wang
1Division of Clinical Research, National Health Research Institutes, Tainan, Taiwan.
Abstract:
Infective endocarditis (IE) caused by methicillin-resistant Staphylococcus aureus with reduced vancomycin susceptibility (SARV) has been reported worldwide. We report the successful treatment of a pediatric patient with SARV IE and characterization of the infecting strain. The MIC of vancomycin rose from 1.5 to 2 microg/ml, and the SARV was confirmed by population analysis.
Insights
Methicillin-resistant Staphylococcus aureus with reduced vancomycin susceptibility (SARV) can cause infective endocarditis. This study details the successful treatment of a pediatric patient with SARV infective endocarditis and strain characterization.
Area of Science:
- Infectious Diseases
- Microbiology
- Pediatrics
Background:
- Infective endocarditis (IE) is a serious infection.
- Methicillin-resistant Staphylococcus aureus (MRSA) is a significant pathogen.
- Reduced vancomycin susceptibility in MRSA (SARV) presents treatment challenges.
Observation:
- A pediatric patient was diagnosed with SARV IE.
- The infecting SARV strain showed a rise in vancomycin Minimum Inhibitory Concentration (MIC) from 1.5 to 2 microg/ml.
- Population analysis confirmed the reduced vancomycin susceptibility.
Findings:
- Successful treatment of pediatric SARV IE was achieved.
- Characterization of the specific SARV strain was performed.
Implications:
- This case highlights successful therapeutic strategies for SARV IE in children.
- Understanding SARV strain characteristics is crucial for effective treatment.
- Further research into managing vancomycin-resistant infections is warranted.
Related Concept Videos
Endocarditis I: Introduction
Endocarditis III: Medical Management
Clinical Significance of Antibiotic Resistance
Staphylococcal Skin Infections
Endocarditis IV: Nursing Management
Mechanism of Antibiotic Resistance in MRSA