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Medicina (Buenos Aires)
versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106
Resumen
GOMEZ PASTRANA, Juan Carlos. Brain abscess due to Aggregatibacter aphrophilus. Medicina (B. Aires) [online]. 2024, vol.84, n.2, pp.356-358. ISSN 0025-7680.
Brain abscess is a focal suppurative process pro duced in most cases by bacterial agents. Aggregati bacter aphrophilus is a gram-negative bacteria belong ing to the HACEK group, which causes infective endo carditis, liver abscesses, among others. Brain abscesses secondary to this germ are rare and, in most cases, it is associated with contact with pets, poor dental hygiene or dental procedures. Treatment consists of drainage of the abscess (greater than 2.5 cm) combined with antibiotic therapy, ideally beta-lactams. The case of a 64-year-old male patient with no relevant history is here presented. He was admitted to the emergency service due to headache, hemianopsia of a week’s duration and later tonic-clonic seizures, in whom imaging studies and culture of a brain lesion subse quently revealed a brain abscess due to A. aphrophilus. This case aims to illustrate about the rarity of this infection, because A. aphrophilus is a normal part of the oropharyngeal flora and respiratory tract, in which it rarely causes invasive bacteremia.
Palabras clave : Aggregatibacter aphrophilus; Brain abscess; HACEK.