
Resumo: Doente de 83 anos, sexo feminino, com antecedentes de artrite reumatoide há 10 anos, foi internada por infecção do trato urinário com lesão renal aguda em doença renal crónica e insuficiência cardíaca descompensada de etiologia não esclarecida. Ecocardiograma transesofágico (ETE) com vegetação apensa ao folheto posterior da válvula mitral, colocando‐se a hipótese de endocardite infeciosa, tendo‐se iniciado antibioterapia empírica. Repetição de ecocardiograma transesofágico após antibioterapia com manutenção da vegetação referida e menção a outra de menores dimensões, sendo colocada a hipótese de endocardite trombótica não bacteriana. A investigação clínica não evidenciou qualquer processo infecioso. Após hipocoagulação durante dois meses, foi repetido o ecocardiograma transesofágico com desaparecimento das vegetações anteriormente apresentadas. Abstract: An 83‐year‐old woman with a 10‐year history of rheumatoid arthritis was admitted for urinary tract infection with exacerbation of chronic kidney disease and decompensated heart failure of unknown etiology. Transesophageal echocardiography (TEE) showed a vegetation involving the posterior mitral valve leaflet, and a hypothesis of infective endocarditis was proposed. Empirical antibiotic therapy was initiated. TEE was repeated after antibiotic therapy, and showed persistence of the original vegetation and revealed the presence of another, smaller vegetation. Clinical investigation revealed no infectious process, and so a diagnosis of nonbacterial thrombotic endocarditis (NBTE) was established. Anticoagulant therapy was started immediately. The NBTE lesion had disappeared on the follow‐up echocardiogram two months after anticoagulant therapy. Palavras‐chave: Endocardite trombótica não bacteriana, Artrite reumatoide, Válvula mitral, Keywords: Nonbacterial thrombotic endocarditis, Rheumatoid arthritis, Mitral valve
RC666-701, Diseases of the circulatory (Cardiovascular) system
RC666-701, Diseases of the circulatory (Cardiovascular) system
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