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Updated: May 1, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
Published on: April 7, 2015
Echocardiographic features in Streptococcus agalactiae endocarditis: four cases report
Streptococcus agalactiae endocarditis, though uncommon, presents with large, mobile vegetations on echocardiography. These findings, along with severe valve destruction, suggest S. agalactiae and may indicate a need for prompt surgical intervention.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Imaging
Background:
- Streptococcus agalactiae endocarditis is a rare form of infective endocarditis.
- This study aimed to elucidate the echocardiographic characteristics specific to S. agalactiae endocarditis.
Observation:
- Transthoracic echocardiography (TTE) was performed on 150 patients with infective endocarditis.
- Four cases of S. agalactiae endocarditis were identified within the study cohort.
Findings:
- Echocardiographic findings in S. agalactiae endocarditis included large, highly mobile vegetations, particularly at the mitral and aortic positions.
- Severe aortic valve destruction and vegetations on mechanical valves were observed.
- Clinical presentations included acute embolic stroke and congestive heart failure.
Implications:
- Echocardiographic detection of large vegetations and severely damaged valves in acute endocarditis supports S. agalactiae as the causative agent.
- These echocardiographic findings may necessitate early surgical intervention for S. agalactiae endocarditis.
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