Comparison between Non-Catheterized and Catheter Associated Urinary Tract Infections Caused by Extended Spectrum ?-Lactamase Producing Escherichia Coli and Klebsiella Pneumoniae
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Research Paper | Microbiology | Pakistan | Volume 4 Issue 4, April 2015

Comparison between Non-Catheterized and Catheter Associated Urinary Tract Infections Caused by Extended Spectrum ?-Lactamase Producing Escherichia Coli and Klebsiella Pneumoniae

Fouzia Ashraf, Shagufta Iram, Gul-e-Zar Riaz, Farhan Rasheed, Mahmood Shaukat

Catheter associated urinary tract infection-s (CAUTI) account for more than 80 % of all healthcare associated infections (HAIs) as compared to non-catheterized urinary tract infections. Catheter associated urinary tract infections occur on the third day after insertion of catheter in patients having urinary tract infection (UTI). In long term catheter use, bio-film form along the catheter which increases the risk of antibiotic resistant pathogens. Most common pathogens involved were Escherichia coli and Klebsiella pneumoniae which produce the enzymes Extended Spectrum -Lactamases (ESBLs). Objective To compare the frequency of ESBLs in catheterized and non-catheterized UTI infections. Materials and Methods This comparative study was conducted at the Microbiology Department, Allama Iqbal Medical College Lahore from June 2014 to January 2015. Urine samples were cultured according to WHO protocol and antimicrobialSusceptibility testing was performed by Modified Kirby-Bauer disc diffusion Method.Escherichia coli and Klebsiella pneumoniae were tested for ESBL production by phenotypic confirmatory methodof disk diffusion synergy using a disc of amoxicillin-clavulonate (30g) and ceftrixone (30g), cefotaxime (30g) and aztreonam (30g) discs. Results Out of 300 positive urinary isolatesof Escherichia coli and Klebsiella pneumoniae from CAUTI, 65.33 % were ESBL producing isolates whereas out of 300 positive urinary isolates of Escherichia coli and Klebsiella pneumoniae from non-catheterized UTI, 47.66 % were ESBL producing isolates. The results were highly significant (p=

Keywords: CAUTI, HAIs, UTI, ESBLs, Escherichia coli and Klebsiella pneumoniae

Edition: Volume 4 Issue 4, April 2015

Pages: 1223 - 1227

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Fouzia Ashraf, Shagufta Iram, Gul-e-Zar Riaz, Farhan Rasheed, Mahmood Shaukat, "Comparison between Non-Catheterized and Catheter Associated Urinary Tract Infections Caused by Extended Spectrum ?-Lactamase Producing Escherichia Coli and Klebsiella Pneumoniae", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB153082, Volume 4 Issue 4, April 2015, 1223 - 1227

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