Isolation and antibiotic susceptibility of E. coli and S. aureus from urinary tract infections in Dohuk city, Iraq
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Keywords
Urinary tract infection, Staphylococcus aureus, E. coli, Antibiotic resistance
Abstract
Introduction: Urinary tract infections (UTIs) are prevalent infections that frequently occur in the human population. They are characterized as infections, typically caused by bacteria that can develop in any part of the urinary system. The objectives of this study were to identify and isolate S. aureus and E. coli strains that colonize patients with urinary tract infections in Duhok city, Iraq.
Methods: A total of 300 urine samples were obtained from individuals displaying indications and symptoms of urinary tract infections. The bacteria present in the samples were isolated and identified using traditional biochemical analysis. The Kirby-Bauer method was employed to assess the antibiotic resistance patterns of E. coli and S. aureus against various antibiotics.
Result: Among 300 patients the prevalence of gram positive was 53.32 while gram negative 20.65 and prevalence of negative samples was 25.99 among them positive for S. aureus 34/300 (11.33%), 32/300 E. coli (10.66%). Staphylococcus aureus was totally 100% resistant to Vancomycin and Rifampin, and the lowest rate was found with Imipenem 11.77%. E. coli highest rate was seen also with 100% resistant to Vancomycin and Rifampin, and the lowest resistance was seen with meropenem and Imipenem 12.5% and 31.25% respectively.
Conclusion: In conclusion, the study found that gram-positive bacteria are more commonly responsible for urinary tract infections than gram-negative bacteria. There is a slight ratio between staphylococcus aureus and E. coli infections that affected the patients.
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