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Revista Cubana de Medicina

versão impressa ISSN 0034-7523versão On-line ISSN 1561-302X


BEDON GALARZA, Ricardo; VELOZ OCHOA, Ximena  e  ESCALONA CASTILLO, Alexandra. Bacterial endocarditis due to Escherichia coli. Rev cubana med [online]. 2021, vol.60, n.1, e1350.  Epub 25-Fev-2021. ISSN 0034-7523.


Bacterial endocarditis is a rare disease, caused in most cases by gram-positive organisms, such as staphylococci and streptococci, followed by HACEK group organisms and rarely by non-HACEK gram-negative organisms. Its incidence is low, but it is related to high mortality; there are several associated risk factors: advanced age, female sex, history of heart surgery, prosthetic valves, use of central venous or urinary catheters.


To describe the available evidence on bacterial endocarditis due to Escherichia coli.

Case report:

We describe the case of an elderly patient, without a history of cardiac surgery, who showed disorientation, asthenia, adynamia, elevation of body temperature, associated with urinary infection, persisting after taken piperacillin-tazobactam for 7 days with temperature rises. Blood cultures confirm Escherichia coli bacteremia and transesophageal echocardiography exhibited vegetation at the native aortic valve level. The patient received antibiotic treatment with third-generation cephalosporin for 30 days, with clinical improvement, echo transesophageal control with no vegetations, and no immediate need for surgical treatment.


The clinical suspicion of endocarditis is vital when requesting diagnostic tests and interpreting their results.

Palavras-chave : bacterial endocarditis; Escherichia coli; urinary tract infection; transesophageal echocardiography.

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