Heterogeneous Colistin-Resistance Phenotypes Coexisting in Stenotrophomonas maltophilia Isolates Influence Colistin Susceptibility Testing
The polymyxin antibiotic colistin shows in vitro activity against Stenotrophomonas maltophilia.However, an increased incidence of colistin-resistant isolates has been recently observed.In addition, in vitro evaluation of colistin susceptibility for this organism has been problematic.The aims of this study were to investigate the colistin-resistance