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Infections due to Vagococcus spp. Microbiological and clinical aspects and literature review
Laura Racero1, Claudia Barberis1, Germán Traglia1
1Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Laboratorio de Bacteriología, Cátedra de Microbiología Clínica, Hospital de Clínicas José de San Martín, Ciudad Autónoma de Buenos Aires, Argentina.
Introduction:
An increase in recent years in the isolation of Vagococcus spp. is suggestive of emerging infection by this pathogen in our hospital.
Methods:
Prospective, descriptive study.
Period:
July 2014-January 2019. Phenotypic identification of 15 isolates of Vagococcus spp. was performed by conventional biochemical tests, automated methodology and mass spectrometry (MALDI-TOF MS). Molecular identification was achieved by sequencing the 16S rRNA gene. The Vitek™ 2C automated system was used to test antibiotic susceptibility.
Results:
The molecular method identified 11 Vagococcus fluvialis, one Vagococcus lutrae and three Vagococcus spp. MALDI-TOF MS facilitated the rapid recognition of the genus. The most active antibiotics were ampicillin, trimethoprim/sulfamethoxazole, vancomycin, teicoplanin and linezolid. Most of the cases of isolation were associated with skin and soft tissue or osteoarticular infections in patients with diabetes.
Conclusion:
This article is the most extensive review of cases of Vagococcus spp. infection reported in the literature and highlights the microbiological and clinical aspects of this pathogen.
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