Background: Urinary Tract Infection (UTI) detected in the hospital and in the community is one of the most common reasons for consultation in everyday practice;it represents a major source of antibiotic consumption. T...Background: Urinary Tract Infection (UTI) detected in the hospital and in the community is one of the most common reasons for consultation in everyday practice;it represents a major source of antibiotic consumption. This study’s objectives were to outline the microbiological profile of Tunisian patients with UTI and assess antibiotic resistance over the course of three years at the Orthopedic Institute. Methods: All strains identified in urine samples between January 1st, 2019, and December 31st, 2021, were included. Standard laboratory procedures were used to identify the bacterium. The Microscan Walkway 40 Plus was used to do biochemical assays and antibiotic susceptibility testing. The EUCAST criteria were used to interpret the findings. Results: A total of 1313 strains were isolated. The bacteriological study showed the predominance of enterobacteria (96.8%), especially E. coli (52.2%) and K. pneumoniae (19.3%). Overall resistance rates to antimicrobial agents were as follows: for hospital, E. coli strains were in descending order amoxicillin (73.05%), trimeth/sulfamethoxazole (46.9%), ofloxacin (40.3%), amoxicillin/clavulanic acid (35.05%) and gentamicin (20.5%). Our results showed low resistance to fosfomycin for E. coli 2.6% in hospitals while ≥12.1% for K. pneumoniae. Amikacin resistance remains medium-low for E. coli being ≥20% and 10% for K. pneumonia. Nitrofuran resistance has affected 1.06% of E. coli strains in hospital settings and 21.5% of K. pneumoniae. Extended Spectrum Beta-Lactamases (ESBLs) production was present in a number of enterobacteria (19.3% of K. pneumoniae and 14.4% of E. coli). Conclusion: The prevalence of E. coli and K. pneumoniae producers ESBLs in UTI is increasing. Rigorous surveillance of resistance rate is necessary to determine appropriate empirical treatment and limit the spread of multiresistant strains.展开更多
Background: Urinary tract infection (UTI) is a severe public health issue that affects a wide range of people around the world with Klebsiella pneumoniae accounting for up to 25% of all urinary tract infections. The h...Background: Urinary tract infection (UTI) is a severe public health issue that affects a wide range of people around the world with Klebsiella pneumoniae accounting for up to 25% of all urinary tract infections. The higher rate of UTI associated with uropathogenic Klebsiella species has been associated with the emergence of hypervirulent and antibiotic-resistant strains facilitated by the misuse and overuse of antibiotics as well as other sociodemographic and behavioural practices of susceptible individuals. This study was aimed at investigating the prevalence and associated risk factors of uropathogenic Klebsiella species in Port Harcourt, Nigeria. Methodology: The study employed a descriptive cross-sectional study design comprising 300 subjects clinically suspected of having urinary tract infections attending the Rivers State University Medical Centre and the Rivers State University Teaching Hospital between March to August 2022. A standard urine culture procedure was used to ascertain significant bacteriuria after which Klebsiella colonies were isolated and identified using standard bacteriological techniques. The data generated from this study was represented as frequency and percentages, and inferential statistics were carried out using Chi-square with the aid of GraphPad Prism Software Version 9. Statistical significance was defined as a p-value of less than 0.05 at a 95% confidence interval. Result: The prevalence of uropathogenic Klebsiella sp. was 16%, with sex, pregnancy status, and religion of the individuals substantially linked (p p Klebsiella species. Conclusion: This study reports a relatively high prevalence of uropathogenic Klebsiella species at 16%, with the sex and pregnancy status of the subjects being significantly associated (p Klebsiella species in the current study. Health promotion and awareness efforts should be prioritised to inform susceptible demographics about their risks for urinary tract infections associated with uropathogenic Klebsiella species via targeted educational campaigns, collaboration with healthcare providers, use of social media and online platforms, workplace wellness programs, and community outreach programs amongst others. Antimicrobial susceptibility testing before prescriptions and treatment should be emphasized and upheld in all clinical settings.展开更多
文摘Background: Urinary Tract Infection (UTI) detected in the hospital and in the community is one of the most common reasons for consultation in everyday practice;it represents a major source of antibiotic consumption. This study’s objectives were to outline the microbiological profile of Tunisian patients with UTI and assess antibiotic resistance over the course of three years at the Orthopedic Institute. Methods: All strains identified in urine samples between January 1st, 2019, and December 31st, 2021, were included. Standard laboratory procedures were used to identify the bacterium. The Microscan Walkway 40 Plus was used to do biochemical assays and antibiotic susceptibility testing. The EUCAST criteria were used to interpret the findings. Results: A total of 1313 strains were isolated. The bacteriological study showed the predominance of enterobacteria (96.8%), especially E. coli (52.2%) and K. pneumoniae (19.3%). Overall resistance rates to antimicrobial agents were as follows: for hospital, E. coli strains were in descending order amoxicillin (73.05%), trimeth/sulfamethoxazole (46.9%), ofloxacin (40.3%), amoxicillin/clavulanic acid (35.05%) and gentamicin (20.5%). Our results showed low resistance to fosfomycin for E. coli 2.6% in hospitals while ≥12.1% for K. pneumoniae. Amikacin resistance remains medium-low for E. coli being ≥20% and 10% for K. pneumonia. Nitrofuran resistance has affected 1.06% of E. coli strains in hospital settings and 21.5% of K. pneumoniae. Extended Spectrum Beta-Lactamases (ESBLs) production was present in a number of enterobacteria (19.3% of K. pneumoniae and 14.4% of E. coli). Conclusion: The prevalence of E. coli and K. pneumoniae producers ESBLs in UTI is increasing. Rigorous surveillance of resistance rate is necessary to determine appropriate empirical treatment and limit the spread of multiresistant strains.
文摘Background: Urinary tract infection (UTI) is a severe public health issue that affects a wide range of people around the world with Klebsiella pneumoniae accounting for up to 25% of all urinary tract infections. The higher rate of UTI associated with uropathogenic Klebsiella species has been associated with the emergence of hypervirulent and antibiotic-resistant strains facilitated by the misuse and overuse of antibiotics as well as other sociodemographic and behavioural practices of susceptible individuals. This study was aimed at investigating the prevalence and associated risk factors of uropathogenic Klebsiella species in Port Harcourt, Nigeria. Methodology: The study employed a descriptive cross-sectional study design comprising 300 subjects clinically suspected of having urinary tract infections attending the Rivers State University Medical Centre and the Rivers State University Teaching Hospital between March to August 2022. A standard urine culture procedure was used to ascertain significant bacteriuria after which Klebsiella colonies were isolated and identified using standard bacteriological techniques. The data generated from this study was represented as frequency and percentages, and inferential statistics were carried out using Chi-square with the aid of GraphPad Prism Software Version 9. Statistical significance was defined as a p-value of less than 0.05 at a 95% confidence interval. Result: The prevalence of uropathogenic Klebsiella sp. was 16%, with sex, pregnancy status, and religion of the individuals substantially linked (p p Klebsiella species. Conclusion: This study reports a relatively high prevalence of uropathogenic Klebsiella species at 16%, with the sex and pregnancy status of the subjects being significantly associated (p Klebsiella species in the current study. Health promotion and awareness efforts should be prioritised to inform susceptible demographics about their risks for urinary tract infections associated with uropathogenic Klebsiella species via targeted educational campaigns, collaboration with healthcare providers, use of social media and online platforms, workplace wellness programs, and community outreach programs amongst others. Antimicrobial susceptibility testing before prescriptions and treatment should be emphasized and upheld in all clinical settings.