Three-Dimensional Micropatterning Deters Early Bacterial Adherence and Can Eliminate Colonization
Developing strategies to prevent bacterial infections that do not rely on the use of drugs is regarded globally as an important means to stem the tide of antimicrobial resistance, as argued by the World Health Organization (WHO) (Mendelson, M.; Matsoso, M. P. The World Health Organization Global Action Plan for Antimicrobial Resistance. S. Afr. Med. J.2015, 105 (5), 325–325. DOI: 10.7196/SAMJ.9644). Given that many antimicrobial-resistant infections are caused by the bacterial colonization of indwelling medical devices such as catheters and ventilators, the use of microengineered surfaces to prevent the initial attachment of microbes to these devices is a promising solution. In this work, it is demonstrated that 3D engineered surfaces can inhibit the initial phases of surface colonization for Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa, representing the three most common catheter-associated urinary tract bacterial infections, identified by the WHO as urgent threats.
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