Listeria endocarditis].

M Marschner, C Hausdorf, K Schlatterer

Innere Medizin (Heidelberg, Germany) 2023 Mar

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Bacterial infections caused by Listeria monocytogenes are rarely observed in routine clinical practice. Symptoms can range from comparatively unspecific to severe, septic courses of disease with cardiac, pulmonary, abdominal or bone involvement. A 74-year-old male patient with a history of mitral valve replacement and pacemaker implantation presented to the emergency department with high fever and disturbed coagulation. Transesophageal echocardiography revealed mitral valve endocarditis with early abscess formation. In blood cultures, growth of Listeria monocytogenes was detected after 20 h. Despite immediately initiated calculated antibiotic therapy and following adaption to the resistogram, the mitral valve finding was progressive and cardiosurgical intervention became necessary. Diagnosis of endocarditis caused by Listeria requires structured collaboration between cardiologists, imaging and laboratory. This case report aims to increase awareness of potentially Listeria-induced organ manifestations. © 2022. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.