Incidence of biofilms among the multidrug resistant E. coli, isolated from urinary tract infections in the Nilgiris district, South India
Abstract
Multidrug resistant uropathogenic Escherichia coli (MDRUPEC) significantly correlates with recurrent, complicated, and persistent urinary tract infection (UTI). The leading cause of multidrug resistance is the ability of E. coli to form biofilms. The physiological heterogeneity, genetic incontinency, and putative events in gene expression of biofilms render them resistant to antimicrobials and the host immune system. Understanding the determinants of antimicrobial resistance and its correlation with biofilm formations will, therefore, help the development of a better strategy for treating biofilm-associated UTIs. The present study reports on the in vitro detection of biofilm formation among multidrug resistant E. coli strains isolated from urine, the major cause of communal, nosocomial, and food-borne uropathogenic UTI. This is a cross-sectional study conducted in and around Ooty, Nilgiris, India. From the 869 urine samples analyzed for UTI, 29.34% were found to be caused by E. coli. Among this about 23.92% were found to be multidrug resistant. Among the multidrug resistant E. coli isolates, 36.06% of them were potent biofilm producers. E. coli biofilms (n = 22) were resistant to the antibiotics used to treat UTI, namely, amikacin, amoxicillin, ampicillin, cefepime, cefoperazone, cefotaxime, ceftriaxone, cefuroxime, cephalotin, ciprofloxacin, co-trimoxazole, gentamicin, levofloxacin, and nalidixic acid, but sensitive to imipenem and meropenem. All the biofilm producers…
How strong is the evidence?
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. Reported size: 22 participants or records.
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