Fig. 1: History of P. aeruginosa isolation and course of clinical antimicrobial therapy.

The light-yellow bar represents imipenem, the purple bar represents meropenem, the gray bar represents ceftazidime-avibactam, the green bar represents colistin, and the blue bar represents piperacillin-tazobactam. The black arrows indicate the time of P. aeruginosa isolation. IPM imipenem, MEM meropenem, PIP/TZP piperacillin-tazobactam, CST colistin, CZA ceftazidime-avibactam.