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Case Series

Culture-negative endocarditis caused by Stenotrophomonas maltophilia: a report of two cases

    Rayvathy Balasubramanian

    Department of Microbiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, 600113, India

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    ,
    Pierre-Edouard Fournier

    UMR VITROME, Aix-Marseille University, Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, 13005, France

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    &
    Thangam Menon

    *Author for correspondence: Tel.: +91 877 816 5117;

    E-mail Address: thangam56@gmail.com

    Department of Microbiology, Saveetha Dental College & Hospitals, Chennai, 600077, India

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    Published Online:1 Jun 2022https://doi.org/10.2217/fmb-2021-0313

    Abstract

    Stenotrophomonas maltophilia, an aerobic, non-fermenting, Gram-negative bacterium, is an emerging nosocomial pathogen. It is considered to be a low-grade pathogen, and infections due to S. maltophilia are uncommon. However, in the recent past, S. maltophilia infections have been on the rise, particularly in patients who are either immunocompromised, aged or on long-term antibiotic therapy. Endocarditis due to S. maltophilia is extremely rare. This is a report of two patients with S. maltophilia endocarditis who were diagnosed by 16S rRNA gene sequencing.

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