Synergistic combination of aztreonam and ceftazidime/avibactam against resistant Stenotrophomonas maltophilia on pancreatitis.

Introduction: Stenotrophomonas maltophilia is a Gram-negative, opportunistic pathogen associated with a high morbidity and mortality rate. We report our clinical experience in treating a patient with infected pancreatic necrosis caused by multidrug-resistant (MDR) S. maltophilia with a novel drug combination.