Fungal Endocarditis: Pathophysiology, Epidemiology, Clinical Presentation, Diagnosis, and Management

Area of Science:

• Cardiology
• Infectious Diseases
• Mycology

Background:

• Fungal endocarditis is a rare but severe condition, accounting for 1-3% of infective endocarditis cases.
• It is associated with high morbidity and mortality rates exceeding 70%.
• Candida species are the most frequent culprits, followed by Aspergillus and Histoplasma species.

Purpose of the Study:

• To review the clinical challenges, diagnostic approaches, and treatment strategies for fungal endocarditis.
• To highlight the importance of early diagnosis and multimodal treatment.
• To discuss the role of various diagnostic modalities and antifungal therapies.

Main Methods:

• Literature review of fungal endocarditis cases and treatment guidelines.
• Analysis of diagnostic tools including microbiological tests, echocardiography, and advanced imaging like PET/CT.
• Evaluation of treatment outcomes based on surgical intervention and systemic antifungal therapy.

Main Results:

• Fungal endocarditis requires a high index of clinical suspicion due to nonspecific symptoms.
• Diagnostic methods include blood cultures, specific antigen tests (galactomannan), PCR, echocardiography, and PET/CT.
• Successful treatment necessitates a combination of surgical valve replacement and prolonged antifungal medication.

Conclusions:

• Fungal endocarditis poses a significant clinical challenge demanding prompt diagnosis and aggressive management.
• Multimodal treatment involving surgery and targeted antifungal therapy (e.g., echinocandins for Candida, voriconazole for Aspergillus) is essential.
• Continued research into optimal diagnostic and therapeutic strategies is warranted.