ImipenemThienamycinsCilastatinAnti-Bacterial AgentsMicrobial Sensitivity TestsCarbapenemsbeta-LactamasesDrug Resistance, MicrobialDrug Resistance, BacterialPseudomonas aeruginosaAntibiotic ProphylaxisCeftazidimeAcinetobacter baumanniiDrug Resistance, Multiple, BacterialGram-Negative BacteriaAcinetobacter InfectionsCephalosporinsLactamsBacterial InfectionsAmikacinAminoglycosidesPiperacillinAcinetobacterBacteriaCiprofloxacinGram-Negative Bacterial InfectionsPseudomonas InfectionsGram-Positive BacteriaSulbactamAnti-Infective AgentsPenicillinsBacterial ProteinsCyclopropanesDipeptidasesGentamicinsBacteroides fragilisEnterobacteriaceaeStreptomyces