Thein vitroantibacterial activities of ceftazidime-avibactam and comparator agents were evaluated using reference broth microdilution methods against 1,743Pseudomonas aeruginosaisolates collected in 2014 from 69 U.S. medical centers, representing each of the nine census regions. Ceftazidime-avibactam demonstrated potent activity againstP. aeruginosa, including many isolates not susceptible to ceftazidime, meropenem, and piperacillin-tazobactam. In each of the nine census regions, ceftazidime-avibactam demonstrated the highest percentage of susceptible isolates.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808178PMC
http://dx.doi.org/10.1128/AAC.03056-15DOI Listing

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