Drug susceptibility of uropathogens isolated from patients treated at the Mazovian Specialized Hospital in Radom
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Published on: August 30, 2018
Zuzanna Trześniewska-Ofiara1, Mariola Mendrycka2, Agnieszka Woźniak-Kosek3
1Department of Laboratory Diagnostics, Mazovian Specialist Hospital Ltd., Radom, Poland.
Abstract:
Urinary tract infections (UTI) are a significant problem among populations worldwide. It is mainly associated with the increasing incidence of recurrence, complications and the increasing drug resistance of uropathogens. The aim of this study was to demonstrate the prevalence of resistance among pathogens causing urinary tract infections. The material for the study was data obtained from the Mazovian Specialized Hospital (M.S.H) in Radom over a period of 2 years. Urine was collected from hospitalized patients with UTI. Statistical calculations were performed using statistical software. During the study period, 3,917 patients underwent microbiological examination of urine, and almost 15% of them were found to be infected with UTI. Based on statistical analysis of drug susceptibility of the most common uropathogens, it was shown that urinary tract infections caused by Escherichia coli or Klebsiella pneumoniae, among others, often show high resistance to fluoroquinolones and β-lactam antibiotics. Proteus mirabilis strains have been shown to be more resistant to aminoglycosides and fluoroquinolones than to beta-lactams. In the case of Pseudomonas aeruginisa, resistance to fluoroquinolones predominates. On the other hand, UTI caused by Acientobacter baumannii should be treated based on the results of drug susceptibility testing due to the increasing prevalence of multidrug-resistant strains.
Insights
Urinary tract infections (UTIs) are common, with significant drug resistance observed in common uropathogens like E. coli. Treatment requires susceptibility testing due to rising antimicrobial resistance.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Urinary tract infections (UTIs) represent a global health challenge.
- Increasing recurrence, complications, and antimicrobial resistance in uropathogens exacerbate the problem.
Purpose of the Study:
- To determine the prevalence of antimicrobial resistance among common uropathogens causing UTIs.
- To analyze drug susceptibility patterns for guiding effective UTI treatment strategies.
Main Methods:
- Retrospective analysis of urine culture and drug susceptibility data from 3,917 hospitalized patients over two years.
- Microbiological examination and statistical analysis of isolated uropathogens.
Main Results:
- Nearly 15% of patients examined had UTIs.
- High resistance rates to fluoroquinolones and beta-lactams were observed in Escherichia coli and Klebsiella pneumoniae.
- Proteus mirabilis showed increased resistance to aminoglycosides and fluoroquinolones.
- Pseudomonas aeruginosa predominantly exhibited fluoroquinolone resistance.
- Acinetobacter baumannii displayed increasing multidrug-resistant strains, necessitating susceptibility testing.
Conclusions:
- Antimicrobial resistance is a significant concern in UTIs, impacting common pathogens.
- Tailoring antibiotic therapy based on antibiograms is crucial for effective UTI management, especially for multidrug-resistant strains like Acinetobacter baumannii.
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