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First description of colistin and tigecycline-resistant acinetobacter baumannii producing KPC-3 carbapenemase in Portugal
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Resumo(s)
Herein, we describe a case report of carbapenem-resistant Acinetobacter baumannii and Klebsiella pneumoniae isolates that were identified from the same patient at a Tertiary University Hospital Centre in Portugal. Antimicrobial susceptibility and the molecular characterization of resistance and virulence determinants were performed. PCR screening identified the presence of the resistance genes blaKPC-3, blaTEM-1 and blaSHV-1 in both isolates. The KPC-3 K. pneumoniae isolate belonged to the ST-14 high risk clone and accumulated an uncommon resistance and virulence profile additional to a horizontal dissemination capacity. In conclusion, the molecular screening led to the first identification of the A. baumannii KPC-3 producer in Portugal with a full antimicrobial resistance profile including tigecycline and colistin.
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Palavras-chave
A. Baumannii Antimicrobial resistance Colistin Gram-negative bacteria K. Pneumoniae KPC-3 carbapenemase Tigecycline Microbiology Biochemistry Pharmacology, Toxicology and Pharmaceutics(all) Microbiology (medical) Infectious Diseases Pharmacology (medical) SDG 3 - Good Health and Well-being