This study aimed to assess the antibiotic resistance patterns of Pseudomonas species isolated from the environment of the University of Calabar Teaching Hospital (UCTH), Nigeria. A total of 53 Pseudomonas aeruginosa isolates were obtained from 201 clinical samples across various sites, including sinks, hand swabs, tabletops, gloves, and stethoscopes. Among the ten antibiotics tested, seven; Pefloxacin, Septrin, Ciprofloxacin, Gentamycin, Streptomycin, Rocephin, and Erythromycin - showed effectiveness against the isolates, while 30% exhibited resistance to Ampiclox, Zinnacef, and Amoxicillin. Rocephin demonstrated the highest sensitivity rate (33.3%) among isolates from sink samples. These findings underscore the prevalence of multidrug-resistant P. aeruginosa in the UCTH environment, highlighting a potential public health risk. Strengthened policies on antimicrobial stewardship and rigorous infection control measures are recommended to curb the spread of resistant strains.
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