A total of 93 clinical samples were collected. About 20% of the samples were collected from ENT infected patients. The other samples were obtained from Dhamar General Hospital Authority. There were 20 isolates of P. aeruginosa giving prevalence level (21.5%) most of them from wound and ear infections. Three isolates obtained from patients who had been admitted to a hospital for a casualty during the preceding weeks of isolation. Based on the inhibition zone diameter, the result shows that P. aeruginosa shows highest sensitivity toward piperacillin (73.7%), ciprofloxacin (57.9%) and amikacin (47.4%). On the other hand P. aeruginosa is completely resistant to the antimicrobial effect of ampicillin, tetracycline. All isolates produced beta-lactamase enzymes detected by iodometric method test. These results were in very good agreement with previously reported findings in international journals.
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[Fuad A. Saad, Jameel M. Abduljaleel (2014); Characteristics of Pseudomonas aeruginosa Multidrug Resistance in Clinical Isolates to Selected Antibiotics in Dhamar, Yemen Int. J. of Adv. Res. 2 (12). 0] (ISSN 2320-5407). www.journalijar.com
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