Polymyxin resistance in Enterobacterales: overview and epidemiology in the Americas

J Rodríguez-Santiago, P Cornejo-Juárez… - International Journal of …, 2021 - Elsevier
The worldwide spread of carbapenem-and polymyxin-resistant Enterobacterales represents
an urgent public-health threat. However, for most countries in the Americas, the available …

[HTML][HTML] How to: screening for mcr-mediated resistance to colistin

E Smelikova, J Tkadlec, M Krutova - Clinical Microbiology and Infection, 2022 - Elsevier
Background Colistin belongs to the last-resort antibiotics. The discovery of plasmid-bound
colistin resistance mediated by the mcr-gene (s) is of great concern because, given its …

Cefiderocol antimicrobial susceptibility testing against multidrug-resistant Gram-negative bacilli: a comparison of disk diffusion to broth microdilution

CP Morris, Y Bergman, T Tekle, JA Fissel… - Journal of clinical …, 2020 - Am Soc Microbiol
Antimicrobial susceptibility testing (AST) of cefiderocol poses challenges because of its
unique mechanism of action (ie, requiring an iron-depleted state) and due to differences in …

Evaluation of susceptibility testing methods for aztreonam and ceftazidime-avibactam combination therapy on extensively drug-resistant gram-negative organisms

A Khan, SG Erickson, C Pettaway… - Antimicrobial agents …, 2021 - Am Soc Microbiol
Carbapenem-resistant Enterobacterales (CRE) and Pseudomonas aeruginosa (CR-PA)
producing metallo-β-lactamases (MBLs) cause severe nosocomial infections with no defined …

Multicenter evaluation of an MIC-based aztreonam and ceftazidime-avibactam broth disk elution test

H Harris, L Tao, EB Jacobs, Y Bergman… - Journal of clinical …, 2023 - Am Soc Microbiol
Due to limited therapeutic options, there is a clinical need to assess the in vitro activity of the
combination of aztreonam (ATM) and ceftazidime-avibactam (CZA) to guide the therapeutic …

Analysis of colistin resistance in carbapenem-resistant Enterobacterales and XDR Klebsiella pneumoniae

R Bir, H Gautam, N Arif, P Chakravarti… - Therapeutic …, 2022 - journals.sagepub.com
Introduction: Increasing occurrence of infections caused by multidrug-resistant Gram-
negative bacteria resulted in colistin being the last agent for treatment. Apart from plasmid …

[HTML][HTML] Microbiota dynamics in a randomized trial of gut decontamination during allogeneic hematopoietic cell transplantation

CJ Severyn, BA Siranosian, STJ Kong, A Moreno… - JCI insight, 2022 - ncbi.nlm.nih.gov
BACKGROUND Gut decontamination (GD) can decrease the incidence and severity of acute
graft-versus-host disease (aGVHD) in murine models of allogeneic hematopoietic cell …

Predicting phenotypic polymyxin resistance in Klebsiella pneumoniae through machine learning analysis of genomic data

N Macesic, OJ Bear Don't Walk IV, I Pe'er… - Msystems, 2020 - Am Soc Microbiol
Polymyxins are used as treatments of last resort for Gram-negative bacterial infections. Their
increased use has led to concerns about emerging polymyxin resistance (PR). Phenotypic …

Prevalence and epidemiological investigation of mgrB-dependent colistin resistance in extensively drug resistant Klebsiella pneumoniae in Iran

A Zahedi Bialvaei, P Eslami, L Ganji… - Scientific Reports, 2023 - nature.com
Carbapenemases-producing K. pneumoniae are challenging antimicrobial therapy of
hospitalised patients, which is further complicated by colistin resistance. The aim of this …

Antibiotic Susceptibility of NDM-Producing Enterobacterales Collected in the United States in 2017 and 2018

JD Lutgring, R Balbuena, N Reese… - Antimicrobial Agents …, 2020 - Am Soc Microbiol
The treatment of infections caused by carbapenem-resistant Enterobacterales, especially
New Delhi metallo-β-lactamase (NDM)-producing bacteria, is challenging. Although less …