Prevalence of Multidrug Resistant Pseudomonas aeruginosa Isolated from Clinical Specimens in Tertiary Care Hospital
Abstract
BACKGROUND: Pseudomonas aeruginosa is an opportunistic pathogen, which causes nosocomial infections in human. The rapid increase in drug resistance of this pathogen is a global concern. The aim of this study was to determine the clinical burden of P.aeruginosa, its antibiotic susceptibility pattern along with metallo-β-lactamase (MBL) detection.
METHODS: The descriptive cross-sectional study was conducted in Upendra Devkota Memorial National Institute of Neurological and Allied Sciences from January to August 2021. Isolation and identification of P. aeruginosa from clinical specimens was performed by using standard laboratory procedure. All bacterial isolates were phenotypically screened for multidrug resistance using Kirby Bauer disc diffusion method. All the multidrug resistant P.aeruginosa were phenotypically screened for MBL producer by Imipenem-EDTA combined disc diffusion test (CDDT).
RESULTS: A total of 770 samples were processed of which 36 isolates of P. aeruginosa were obtained. P.aeruginosa was isolated mainly from tracheal aspirates, sputum, blood and urine. Among 36 isolates, 50% were found to be multidrug resistant (MDR). More percentage of P.aeruginosa isolates were found resistant to aztreonam, ofloxacin and levofloxacin (52.8%). Furthermore, this study reveals antibiotics like piperacillin/tazobactam and carbapenem were found to be good choice for the treatment of infection caused by this organism. Among MDR isolates 66.7% were found to be MBL producer.…
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Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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