Relationship between antimicrobial use and the highest number of multidrug-resistant-Pseudomonas aeruginosa: a 10-year study.

Introduction: Multi-drug-resistant (MDR) Pseudomonas aeruginosa is a dangerous pathogen causing nosocomial infection, particularly in low- and middle-income countries like Brazil. This retrospective study at a Brazilian university hospital examined the relationship between antimicrobial use and MDR-P. aeruginosa.