To study the infection and resistance of P. aeruginosa in the respiratory intensive care unit (RICU) and the general ward, and give the doctors some useful information for better management of that.

• 目的了解呼吸科重症监护病区(RICU)和普通病区下呼吸道铜绿假单胞菌感染及耐药性,为临床防治提供依据。