Sonia Tahir, Saadia Chaudhary, Tahir Naeem
Pakistan Journal of Medical & Health Sciences




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Antimicrobial Resistance in Carbapenem resistance Pseudomonas

Sonia Tahir, Saadia Chaudhary, Tahir Naeem



2280



ABSTRACT

Aim: To figure out the antimicrobial sensitivity effect of multidrug resistant Pseudomonas aeruginosa obtained from several type of clinical specimens.

Study setting: Department of Microbiology and Resource laboratory, University of Health Sciences Lahore.

Methods: A sum total of 53 isolates of multi-resistant Pseudomonas aeruginosa were selected from Jinnah hospital Lahore during the period of 1st January 2016 to 2nd February 2017.

Nutrient agar slants were used for the transportation of resistant strains. In accordance with the CLSI manuals re-confirmation and processing of the strains were accomplished. The sub culturing and incubation was done on culture media such as MacConkey and blood agar at room temperature for 1 day. Standard confirmation of isolates under went by the graded morphological, cultural and biochemical techniques. In order to achieve this, Gram staining, culture media such as blood, oxidase test, motility test were executed.

Results: The resistance pattern of Pseudomonas aeruginosa against antibiotics was as follows: Meropenem 53(100%), 51(96%) to piperacillin–tazobactam, 49(92%) to ceftazidime, 43(81%) to amikacin, 41(77%) showed resistance to aztreonam, 48(91%) to quinolones as shown in figure. Almost all the Pseudomonas aeruginosa were resistant to aztreonam except for 23% (n=12 isolates). Colistin was predominant as the major strength of treatment for Pseudomonas aeruginosa with sensitivity of 48(91%).

Keywords: Disk-diffusion, Carbapenem, McFarland.



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