JOSE SOARES JUNIOR

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Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina

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  • article 66 Citação(ões) na Scopus
    The Role of F-18-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in the Diagnosis of Left-sided Endocarditis: Native vs Prosthetic Valves Endocarditis
    (2020) CAMARGO, Raphael Abegao de; BITENCOURT, Marcio Sommer; MENEGHETTI, Jose Claudio; JR, Jose Soares; GONCALVES, Luis Fernando Tonello; BUCHPIGUEL, Carlos Alberto; PAIXAO, Milena Ribeiro; FELICIO, Marilia Francesconi; SOEIRO, Alexandre de Matos; STRABELLI, Tania Mara Varejao; MANSUR, Alfredo Jose; TARASOUTCHI, Flavio; JR, Mucio Tavares de Oliveira; CASTELLI, Jussara Bianchi; GUALANDRO, Danielle Menosi; POCEBON, Lucas Zoboli; BLANKSTEIN, Ron; ALAVI, Abass; MOORE, John Edmund; MILLAR, Beverley Cherie; SICILIANO, Rinaldo Focaccia
    Background: F-18-fluorodeoxyglucose positron emission tomography/computed tomography (F-18-FDG-PET/CT) has emerged as a useful diagnostic tool for suspected infective endocarditis (IE) in patients with prosthetic valves or implantable devices. However, there is limited evidence regarding use of F-18-FDG-PET/CT for the diagnosis of native valve endocarditis (NVE). Methods: Between 2014 and 2017, 303 episodes of left-sided suspected IE (188 prosthetic valves/ascending aortic prosthesis and 115 native valves) were studied. F-18-FDG-PET/CT accuracy was determined in the subgroups of patients with NVE and prosthetic valve endocarditis (PVE)/ascending aortic prosthesis infection (AAPI). Associations between inflammatory infiltrate patterns and F-18-FDG-PET/CT uptake were investigated in an exploratory ad hoc histological analysis. Results: Among 188 patients with PVE/AAPI, the sensitivity, specificity, and positive and negative predictive values of F-18-FDG-PET/CT focal uptake were 93%, 90%, 89%, and 94%, respectively, while among 115 patients with NVE, the corresponding values were 22%, 100%, 100%, and 66%. The inclusion of abnormal F-18-FDG cardiac uptake as a major criterion at admission enabled a recategorization of 76% (47/62) of PVE/AAPI cases initially classified as ""possible"" to ""definite"" IE. In the histopathological analysis, a predominance of polymorphonuclear cell inflammatory infiltrate and a reduced extent of fibrosis were observed in the PVE group only. Conclusions: Use of F-18-FDG-PET/CT at the initial presentation of patients with suspected PVE increases the diagnostic capability of the modified Duke criteria. In patients who present with suspected NVE, the use of F-18-FDG-PET/CT is less accurate and could only be considered a complementary diagnostic tool for a specific population of patients with NVE.