Sternal wound infection caused by Gordonia bronchialis: identification by MALDI-TOF MS
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AuthorRodríguez Lozano, Jesús; Pérez Llantada, Enrique; Agüero Balbín, Jesús; Rodríguez Fernández, Ana; Ruiz de Alegría, Carlos; Martínez Martínez, Luis; Calvo, Jorge
Introduction: Gordonia spp. infections are uncommon. However, a few clinical cases have been reported in the literature, particularly those involving immunocompromised hosts. Advanced microbiology diagnosis techniques, such as matrix-assisted laser desorption ionization-time of flight MS (MALDI-TOF MS), have been recently introduced in clinical microbiology laboratories in order to improve microbial identification, resulting in better patient management. Case presentation: Here, we present a new clinical case of persistent wound infection caused by Gordonia bronchialis in a 64-year-old woman after a mitral valve replacement, using two MALDI-TOF-based systems for identifying this micro-organism. Conclusion: Both MALDI-TOF systems were able to identify Gordonia spp.; thus, providing a useful tool that overcomes the current limitations of phenotypic identification associated with this micro-organism. Although the technique validation deserves additional verification, our study provides guidance about MALDI-TOF as a fast and easy method for Gordonia spp. identification.