BACKGROUND: Fungal endocarditis (FE) is a "modern" disease that is considered an emerging cause of infective endocarditis (IE). The most frequently identified fungal pathogens are Candida spp., which are responsible for up to two-thirds of all cases; the remaining cases are due to Aspergillus spp., Histoplasma capsulatum or, more rarely, other yeasts and moulds. OBJECTIVES: To describe the prevalence, clinical characteristics and outcome of FE diagnosed in a single tertiary centre and review the literature concerning FE. DESIGN AND SETTING: An 8-year retrospective review of the case records of patients attending a single Italian University Centre and diagnosed as having definite or probable IE as defined by the modified Duke criteria. RESULTS: Six patients were identified from 229 episodes of IE: five cases involved a prosthetic valve, and one a native valve of an intravenous drug user. Five cases were caused by Candida spp. (two by C. albicans, one each by C. lusitaniae, C. dubliniensis and C. glabrata) and one by Aspergillus flavus. Three patients were treated by means of surgery plus antifungal therapy; two received antifungal therapy alone. Three patients survived, but only the patient with Aspergillus endocarditis was followed up for a long time. CONCLUSIONS: FE is difficult to diagnose but generally associated with healthcare infections. The optimal treatment is poorly characterised, and international collaborative studies are urgently needed to evaluate newer antifungal agents.
BACKGROUND:Fungal endocarditis (FE) is a "modern" disease that is considered an emerging cause of infective endocarditis (IE). The most frequently identified fungal pathogens are Candida spp., which are responsible for up to two-thirds of all cases; the remaining cases are due to Aspergillus spp., Histoplasma capsulatum or, more rarely, other yeasts and moulds. OBJECTIVES: To describe the prevalence, clinical characteristics and outcome of FE diagnosed in a single tertiary centre and review the literature concerning FE. DESIGN AND SETTING: An 8-year retrospective review of the case records of patients attending a single Italian University Centre and diagnosed as having definite or probable IE as defined by the modified Duke criteria. RESULTS: Six patients were identified from 229 episodes of IE: five cases involved a prosthetic valve, and one a native valve of an intravenous drug user. Five cases were caused by Candida spp. (two by C. albicans, one each by C. lusitaniae, C. dubliniensis and C. glabrata) and one by Aspergillus flavus. Three patients were treated by means of surgery plus antifungal therapy; two received antifungal therapy alone. Three patients survived, but only the patient with Aspergillus endocarditis was followed up for a long time. CONCLUSIONS:FE is difficult to diagnose but generally associated with healthcare infections. The optimal treatment is poorly characterised, and international collaborative studies are urgently needed to evaluate newer antifungal agents.
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