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Severe endocarditis in transplant recipients--an epidemiologic study
Elfriede Ruttmann1, Hugo Bonatti, Christina Legit
1Department of Cardiac Surgery, Innsbruck Medical University, Innsbruck, Austria. elfriede.ruttmann@uibk.ac.at
Summary
Infective endocarditis (IE) is rare but poses a significant risk for solid organ transplant (SOT) recipients. This study found a 171-fold increased risk of IE in SOT patients, with high mortality rates.
Area of Science:
- Transplantation Medicine
- Infectious Diseases
- Cardiology
Background:
- Infective endocarditis (IE) is uncommon in the general population.
- Immunosuppression post-solid organ transplantation (SOT) may increase infection risk.
- Data on IE incidence and outcomes in SOT recipients are limited.
Purpose of the Study:
- To determine the incidence and outcomes of IE in SOT recipients.
- To compare IE risk in SOT patients to the general population.
- To highlight the clinical significance of IE in this vulnerable group.
Main Methods:
- Retrospective analysis of 2556 SOT recipients from 1989-2004.
- Identification and review of patients diagnosed with IE.
- Analysis of diagnostic methods, treatment, causative microorganisms, and mortality.
Main Results:
- 27 SOT recipients were diagnosed with IE, an incidence of 1% (171-fold higher risk than general population).
- Staphylococcus was the most common pathogen (59.3%); fungal infections occurred in 14.8%.
- Overall mortality was high at 44.4%, with diagnosis at autopsy in 33.3%.
Conclusions:
- IE is a significant complication in SOT recipients with high mortality.
- Increased vigilance is needed for early diagnosis and management of IE in SOT patients.
- Further research into prevention and treatment strategies for IE in SOT is warranted.