The blood culture from a patient of febrile neutropenia has grown Pseudomonas aeruginosa, It was found to be a producer of extended spectrum beta lactamase enzyme. The best choice of antimicrobial therapy should be -: (A) Ceftazidine + amikacin, (B) Aztreonam +Amikacin, (C) Cefpirome + amikacin, (D) Imipenem +Amikacin
Answer is D. Ans. is 'd' i.e., Impipenem + Amikacin