Serratia marcescens Endocarditis: A Case Report and Literature Review

Authors

  • Ana Isabel Ferreira Department of Internal Medicine. Centro Hospitalar Universitário de São João. Porto. https://orcid.org/0000-0002-7013-3664
  • Fernando Oliveira e Silva Department of Infectious Diseases. Centro Hospitalar Universitário de São João. Porto.
  • Jorge Reis Department of Internal Medicine. Centro Hospitalar de Vila Nova de Gaia / Espinho. Gaia.
  • Marta Henriques Department of Hematology and Oncology. Centro Hospitalar Universitário de São João. Porto.
  • Jorge Almeida Department of Internal Medicine. Centro Hospitalar Universitário de São João. Porto.

DOI:

https://doi.org/10.20344/amp.16377

Keywords:

Endocarditis, Bacterial, Fever, Heart Valve Prosthesis, Positron-Emission Tomography, Serratia marcescens

Abstract

Serratia marcescens is a rarely implicated agent in endocarditis. We describe a case of a patient that underwent aortic and mitral valve replacement for Streptococcus agalactiae endocarditis. Four months later, he was readmitted with an ischemic stroke and fever. Physical examination and repetitive transthoracic echocardiogram were unremarkable. The initial blood cultures were negative. Due to sustained fever, vancomycin, gentamicin and piperacillin-tazobactam were initiated. On subsequent blood cultures, Serratia marcescens was isolated and antibiotics switched to ertapenem and gentamicin. In addition to cerebral emboli, a splenic embolus was found. The PET/CT revealed an abnormal hypercaptation in the mitral bioprosthesis. The patient was treated for six weeks. There are no current specific recommendations regarding the treatment of Serratia marcescens endocarditis. It is widely accepted that treatment should be prolonged and include a combination of antimicrobial agents. Morbidity and mortality are high, particularly when there’s the need for surgical replacement. In this case, however, the patient ended-up only requiring medical treatment due to the favourable response.

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References

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Published

2022-05-30

How to Cite

1.
Ferreira AI, Oliveira e Silva F, Reis J, Henriques M, Almeida J. Serratia marcescens Endocarditis: A Case Report and Literature Review. Acta Med Port [Internet]. 2022 May 30 [cited 2023 Jan. 27];35(12):908-12. Available from: https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/16377

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Section

Case Report