Prevalence of Metallo-?-Lactamase producing Pseudomonas aeruginosa in tertiary care center (BPKIHS)
Keywords:
Antimicrobial resistanceAbstract
Background: Carbapenem resistance in Pseudomonas aeruginosa is an emerging threat and matter of concern, therefore detection of metallo-?-Lactamase (MBL) - producing P. aeruginosa is crucial in preventing its spread to other Gram negative bacteria.
Aims and Objective: To determine the prevalence of MBL production and antimicrobial resistance in P. aeruginosa isolated from in-patients and out-patients of a tertiary care center in Eastern Nepal.
Methodology: Identification and antimicrobial susceptibility pattern of isolated P. aeruginosa from different clinical samples received in Microbiology laboratory was performed following CLSI guidelines and MBL production was determined by IPM-EDTA - disk synergy test.
Results: A total of 137 P. aeruginosa strains were isolated from different clinical samples, out of which79.6% isolates were resistant to Carbapenem, among them 35.78% isolates were MBL producer. Overall prevalence of MBL production among P. aeruginosa was found to be 31.4%.
Conclusion: This study reveal high level of resistance being exhibited by a notorious organism like P. aeruginosa to commonly used antimicrobials for treatment of infection , and an alarming threat of MBL production necessitating a routine screening for MBL production. Also a more effective, less toxic and cheap antimicrobial for the future is imperative.
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