Molecular Typing and Resistance Profile of <i>Acinetobacter baumannii</i> Isolates during the COVID-19 Pandemic: Findings from the “EPIRADIOCLINF” Project

Due to the COVID-19 pandemic, there has been a shift in focus towards controlling the spread of SARS-CoV-2, which has resulted in the neglect of traditional programs aimed at preventing healthcare-associated infections and combating antimicrobial resistance. The present work aims to characterize the...

Full description

Bibliographic Details
Main Authors: Antonella Agodi, Arturo Montineri, Rosa Manuele, Paola Noto, Giuseppe Carpinteri, Giacomo Castiglione, Patrizia Grassi, Antonio Lazzara, Anna Rita Mattaliano, Giuseppa Granvillano, Claudia La Mastra, Maria Clara La Rosa, Andrea Maugeri, Martina Barchitta
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Antibiotics
Subjects:
Online Access:https://www.mdpi.com/2079-6382/12/10/1551
Description
Summary:Due to the COVID-19 pandemic, there has been a shift in focus towards controlling the spread of SARS-CoV-2, which has resulted in the neglect of traditional programs aimed at preventing healthcare-associated infections and combating antimicrobial resistance. The present work aims to characterize the colonization or infection with <i>Acinetobacter baumannii</i> of COVID-19 patients and to identify any clonality between different isolates. Specifically, data and resistance profiles of <i>A. baumannii</i> isolates were prospectively collected from patients recruited by the EPIRADIOCLINF project. Pulsed-field gel electrophoresis (PFGE) and multi-locus sequence typing (MLST) were used for molecular typing. Overall, we analyzed 64 isolates of <i>A. baumannii</i> from 48 COVID-19 patients. According to our analysis, we have identified the spread of a clonally related isolate, referred to as B. The PFGE pattern B includes four subtypes: B1 (consisting of 37 strains), B2 (11), B3 (5), and B4 (2). Furthermore, in the isolates that were examined using MLST, the most observed sequence type was ST/281. In terms of resistance profiles, 59 out of the total isolates (92.2%) were found to be resistant to gentamicin, carbapenems, ciprofloxacin, and tobramycin. The isolation and identification of <i>A. baumannii</i> from COVID-19 patients, along with the high levels of transmission observed within the hospital setting, highlight the urgent need for the implementation of effective prevention and containment strategies.
ISSN:2079-6382