Electronic cardiovascular device-associated to infective endocarditis caused by Mycobacterium mageritense

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Abstract

Rapidly growing non-tuberculosis mycobacteria are a rare cause of bacterial endocarditis. During the last decades, there has been an increase in infections due to rapidly growing mycobacteria, mainly after trauma and post-surgical procedures, both localized and disseminated, as well as nosocomial outbreaks due to contamination of medical equipment. Routine acid-fast staining for blood culture bottles is not always performed; however, the microbiologist should be aware of potential RGM infections especially when gram positive bacilli are observed. We describe a case of endocarditis caused by Mycobacterium mageritense in a patient with an autologous pericardial patch and a pressure catheter in the left auricle. The bacterial species was identified as Mycobacterium mageritense by mass spectrometry (MALDI-TOF MS), score 2.3, and confirmed by 16S rRNA analysis with 99.8 and 100% agreement, respectively.

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Tützer, S., Posse, T., Paul, R., Monteserin, J., Pérez, H., & Kaufman, S. (2019). Electronic cardiovascular device-associated to infective endocarditis caused by Mycobacterium mageritense. Revista Argentina de Microbiologia, 51(1), 22–25. https://doi.org/10.1016/j.ram.2018.01.008

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