Clinical efficacy of intravenous colistin therapy in combination with ceftazidime in severe MDR P. aeruginosa systemic infections in two haematological patients.

: Nosocomial infections due to MDR P. aeruginosa are an increasing problem. Therapeutical options are few. We describe two haematological patients with severe neutropenia and systemic infection due to MDR P. aeruginosa treated successfully with colistin plus ceftazidime. Severe adverse events were not described.