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Early dissemination of OXA-72-producing Acinetobacter baumannii strain in Colombia: a case report

Abstract

Nosocomial infections caused by carbapenem-resistant Acinetobacter baumannii isolates have reached epidemic levels in past decades. Currently this microorganism is responsible for outbreaks of difficult eradication and with high mortality rates worldwide. We herein report a rare case of an OXA-72-producing A. baumannii isolate colonizing a 47-year-old male patient with peritonitis due to abdominal stab wound, four years earlier than the first report of this carbapenemase in Acinetobacter pittii in Colombia. Although OXA-72 presents a low prevalence compared with OXA-23, our study demonstrated that A. baumannii isolates carrying the blaOXA-72 gene were present in the hospital environment in Colombia and could act as a reservoir for further spread to other Acinetobacter species, like A. pittii, causing carbapenem-resistance.ColcienciasUniversidad Nacional de ColombiaUniversidad Nacional de Colombia Medical School Microbiology DepartmentUniversidade Federal de São Paulo (UNIFESP) Disciplina de Infectologia Laboratório ALERTAUniversidad Nacional de Colombia Medical School Medicine DepartmentUNIFESP, Disciplina de Infectologia Laboratório ALERTAColciencias: 11010416355, Agreement 444Universidad Nacional de Colombia: 20201009713SciEL

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