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Candida parapsilosis endocarditis ın a patient with liver transplantation
Sibel Dogan Kaya1, Aysu Türkmen Karaağaç2
1Department of Infectious Diseases and Clinical Microbiology University of Health Sciences, Kartal Koşuyolu High Specialization Training and Research Hospital, İstanbul, Turkey.
Abstract:
Infective endocarditis (IE) is caused by viral, bacterial or fungal pathogens, with high morbidity and mortality. Fungal endocarditis is rare and is associated with severe complications with poor prognosis despite combined medical and surgical treatment. Although Candida albicans is the most common fungal agent of this severe form of endocarditis, Candida parapsilosis is the most common non-albicans causative species. A 17-year-old patient who had had a liver transplant was referred to our paediatric cardiovascular surgery ward with a diagnosis of right heart failure. He had had coronary artery bypass graft and aortic valve replacement in 2021. He came to the outpatient clinic with complaints of fever, weakness, nausea and vomiting. On physical examination, he had pallor, dyspnoea and tachycardia. His fever was 38 °C and a grade 2/6 systolic ejection murmur was detected on auscultation. Amphotericin B in a dose of 4 mg/kg/day was started based on the antifungal sensitivity test.
Insights
Fungal endocarditis, though rare, presents severe complications. This case highlights Candida parapsilosis in a liver transplant patient, emphasizing the need for prompt antifungal treatment.
Area of Science:
- Cardiovascular Surgery
- Infectious Diseases
- Mycology
Background:
- Infective endocarditis (IE) carries high morbidity and mortality.
- Fungal endocarditis is a rare but severe complication of IE.
- Candida parapsilosis is a significant non-albicans species causing fungal endocarditis.
Observation:
- A 17-year-old liver transplant recipient presented with right heart failure symptoms, including fever, weakness, nausea, and dyspnea.
- Physical examination revealed pallor, tachycardia, and a systolic ejection murmur.
- The patient had a history of coronary artery bypass graft and aortic valve replacement.
Findings:
- Fungal endocarditis caused by Candida species was diagnosed.
- Antifungal sensitivity testing guided the initiation of Amphotericin B therapy at 4 mg/kg/day.
Implications:
- This case underscores the importance of considering fungal endocarditis in immunocompromised patients, such as transplant recipients.
- Prompt diagnosis and targeted antifungal treatment are essential for improving outcomes in severe fungal endocarditis.
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