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[Infective endocarditis: analysis of 300 episodes]
A J Mansur1, M Grinberg, S D Gallucci
1Instituto do Coração do Hospital das Clínicas-FMUSP, São Paulo.
Summary
Infective endocarditis (IE) has a high mortality rate despite modern treatments. Patient outcomes for IE are significantly influenced by pre-existing cardiac conditions and the specific causative agents.
Area of Science:
- Cardiology
- Infectious Diseases
- Microbiology
Context:
- Infective endocarditis (IE) is a serious infection affecting the heart's inner lining.
- Understanding the clinical features, causative agents, and treatment outcomes is crucial for managing IE.
- This study analyzes a large cohort of IE episodes to provide comprehensive insights.
Purpose:
- To investigate the clinical characteristics of infective endocarditis (IE).
- To identify the primary etiologic agents responsible for IE.
- To evaluate treatment strategies and mortality rates in IE patients.
Summary:
- The study reviewed 300 IE episodes in 288 patients, with viridans group streptococci (31%) and Staphylococcus aureus (20%) being the most common etiologic agents.
- Valvular heart disease (40%) and prosthetic heart valves (23%) were the most frequent underlying cardiac conditions.
- Mortality was 26% overall, with higher rates observed in patients with prosthetic valves (43%) and certain bacterial infections.
Impact:
- The findings highlight the persistent high mortality of IE, emphasizing the need for improved diagnostic and therapeutic approaches.
- Mortality rates vary significantly based on the underlying cardiac status and the identified etiologic agent.
- This research provides valuable data for clinicians in optimizing IE management and patient care.