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Correia JL, Fiuza JG, Ferreira G, Almeida MD, Moreira D, Neto VD. Embolic stroke and misidentification candida species endocarditis: Case presentation and literature review. Diagn Microbiol Infect Dis 2024; 108:116133. [PMID: 37984110 DOI: 10.1016/j.diagmicrobio.2023.116133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/22/2023]
Abstract
Fungal endocarditis is a rare but serious form of infective endocarditis associated with high morbidity and mortality. Among fungal pathogens, Candida species are the most frequently isolated and commonly found in individuals with predisposing factors, such as prosthetic heart valves. The clinical presentation of endocarditis is highly variable and nonspecific, often including symptoms and signs of embolization. In this paper, we present a case of fungal prosthetic valve endocarditis in which the initial presentation was an acute ischemic stroke. The initial misidentification of Candida famata was attributed to limitations in the presumptive methodology used through selective chromogenic culture identification. However, the surgical specimen underwent mass spectrometry, leading to the correct identification of Candida guilliermondii instead of Candida famata. Furthermore, we conducted a non-systematic narrative review of the literature on Candida endocarditis. Our findings underscore the importance of considering fungal endocarditis in the differential diagnosis of patients with possible extracardiac complications, particularly those with a history of heart valve replacement. Early diagnosis and a comprehensive treatment strategy tailored by species identification and antifungal susceptibility testing are crucial in improving patient outcomes.
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Affiliation(s)
| | | | | | | | | | - Vanda Devesa Neto
- Tondela-Viseu Hospital Center, Viseu, Portugal; Faculty of Health Sciences - University of Beira Interior, Covilhã, Portugal
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Oberbach A, Schlichting N, Hagl C, Lehmann S, Kullnick Y, Friedrich M, Köhl U, Horn F, Kumbhari V, Löffler B, Schmidt F, Joskowiak D, Born F, Saha S, Bagaev E. Four decades of experience of prosthetic valve endocarditis reflect a high variety of diverse pathogens. Cardiovasc Res 2022; 119:410-428. [PMID: 35420122 DOI: 10.1093/cvr/cvac055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/04/2022] [Accepted: 03/23/2022] [Indexed: 01/18/2023] Open
Abstract
Prosthetic valve endocarditis (PVE) remains a serious condition with a high mortality rate. Precise identification of the PVE-associated pathogen/s and their virulence is essential for successful therapy, and patient survival. The commonly described PVE-associated pathogens are staphylococci, streptococci and enterococci, with Staphylococcus aureus being the most frequently diagnosed species. Furthermore, multi-drug resistance pathogens are increasing in prevalence, and continue to pose new challenges mandating a personalized approach. Blood cultures in combination with echocardiography are the most common methods to diagnose PVE, often being the only indication, it exists. In many cases, the diagnostic strategy recommended in the clinical guidelines does not identify the precise microbial agent and to frequently, false negative blood cultures are reported. Despite the fact that blood culture findings are not always a good indicator of the actual PVE agent in the valve tissue, only a minority of re-operated prostheses are subjected to microbiological diagnostic evaluation. In this review, we focus on the diversity and the complete spectrum of PVE-associated bacterial, fungal and viral pathogens in blood, and prosthetic heart valve, their possible virulence potential, and their challenges in making a microbial diagnosis. We are curious to understand if the unacceptable high mortality of PVE is associated with the high number of negative microbial findings in connection with a possible PVE. Herein, we discuss the possibilities and limits of the diagnostic methods conventionally used and make recommendations for enhanced pathogen identification. We also show possible virulence factors of the most common PVE-associated pathogens and their clinical effects. Based on blood culture, molecular biological diagnostics, and specific valve examination, better derivations for the antibiotic therapy as well as possible preventive intervention can be established in the future.
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Affiliation(s)
- Andreas Oberbach
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany.,Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany
| | - Nadine Schlichting
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Christian Hagl
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany.,Munich Heart Alliance, Partner Site German Centre for Cardiovascular Disease (DZHK), Munich, Germany
| | - Stefanie Lehmann
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Yvonne Kullnick
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Maik Friedrich
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Ulrike Köhl
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Friedemann Horn
- Fraunhofer Institute for Cell Therapy and Immunology, Department of Diagnostics, Leipzig, Germany.,Institute of Clinical Immunology, University of Leipzig, Leipzig, Germany
| | - Vivek Kumbhari
- Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Florida, USA
| | - Bettina Löffler
- Institute of Medical Microbiology, Jena University Hospital, Jena, Germany
| | - Frank Schmidt
- Proteomics Core, Weill Cornell Medical Centre Qatar, Doha, Qatar
| | - Dominik Joskowiak
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany
| | - Frank Born
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany
| | - Shekhar Saha
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany
| | - Erik Bagaev
- Department of Cardiac Surgery, Ludwig Maximilian University, Munich, Germany
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Kubota K, Soma K, Uehara M, Inaba T, Saito A, Takeda N, Hatano M, Morita H, Inuzuka R, Hirata Y, Yao A, Komuro I. Combined Surgical and Medical Therapy for Candida Prosthetic Endocarditis in a Patient with Repaired Tetralogy of Fallot. Int Heart J 2018; 59:877-880. [DOI: 10.1536/ihj.17-314] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Kana Kubota
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Katsura Soma
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Masae Uehara
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Toshiro Inaba
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Akihito Saito
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Masaru Hatano
- Department of Therapeutic Strategy for Heart Failure, Graduate School of Medicine, The University of Tokyo
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Ryo Inuzuka
- Department of Pediatrics, Graduate School of Medicine, The University of Tokyo
| | - Yasutaka Hirata
- Department of Cardiac Surgery, Graduate School of Medicine, The University of Tokyo
| | - Atsushi Yao
- Division of Health Service Promotion, The University of Tokyo
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
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