Fungal endocarditis
1Infectious Diseases Unit, Sheba Medical Center, Tel Hashomer, Israel.
Abstract:
Fungal endocarditis has become an important infection associated with medical progress and a modern lifestyle. The most common organisms isolated from patients with fungal endocarditis are: Aspergillus spp.; Candida spp. and Torulopsis glabrata. Men are more frequently affected than women and predisposing factors include: previous cardiac surgery, antibiotic use and hyperalimentation, long-term i.v. catheters. Common clinical findings in patients with endocarditis include: fever, changing murmurs, peripheral emboli which are characteristically large and chorioretinitis. Characteristic laboratory findings are absent and positive blood cultures are obtained only in a relatively small number of patients. Characteristically, Aspergillus spp. almost never grow in blood cultures and must be isolated from removed emboli, from the diseased valve or from infected foreign bodies. Overall survival in patients with fungal endocarditis is rather poor, and hardly exceeds 50%. In general, a combined surgical-medical approach would yield the best results. New therapeutic modalities are needed in order to improve the prognosis of fungal endocarditis.
Insights
Fungal endocarditis, a serious infection, affects men more often and is linked to medical advancements. Improving treatment is crucial as survival rates remain low.
Area of Science:
- Infectious Diseases
- Cardiology
- Mycology
Background:
- Fungal endocarditis is an increasing concern linked to medical progress and modern lifestyles.
- Common causative agents include Aspergillus spp., Candida spp., and Torulopsis glabrata.
- Risk factors include cardiac surgery, antibiotic therapy, hyperalimentation, and indwelling catheters.
Purpose of the Study:
- To review the epidemiology, clinical presentation, diagnosis, and management of fungal endocarditis.
- To highlight the challenges in diagnosing and treating this rare but severe infection.
- To emphasize the need for improved therapeutic strategies.
Main Methods:
- Review of existing literature on fungal endocarditis.
- Analysis of common clinical and laboratory findings.
- Discussion of diagnostic challenges, particularly for Aspergillus species.
- Evaluation of current treatment outcomes and survival rates.
Main Results:
- Fungal endocarditis predominantly affects males, with risk factors including invasive medical procedures.
- Clinical signs include fever, new murmurs, and peripheral emboli; laboratory findings are often non-specific.
- Blood cultures are frequently negative, especially for Aspergillus spp., necessitating isolation from other sources.
- Survival rates are poor, often below 50%.
Conclusions:
- Fungal endocarditis presents diagnostic and therapeutic challenges, requiring a multidisciplinary approach.
- Early diagnosis and combined surgical-medical treatment offer the best outcomes.
- Novel therapeutic strategies are essential to improve patient survival and prognosis.
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