scholarly journals Antimicrobial Resistance Pattern of Gram-negative Bacteria Causing Urinary Tract Infection

1970 ◽  
Vol 2 (1) ◽  
pp. 44-50 ◽  
Author(s):  
Farjana Rahman ◽  
Sadia Chowdhury ◽  
Md Majibur Rahman ◽  
Dilruba Ahmed ◽  
Anowar Hossain

Urinary tract infection (UTI) is a common and occasional recurrent bacterial illness with an increasing resistance to antimicrobials. Antibiotic resistance in UTI is a growing public health problem in the world including Bangladesh. The study objective was to examine the present incidence of UTIs in Bangladesh in a point period of time from January to December 2007. A retrospective data analysis of culture results of urinary pathogens was performed. The data was collected from the Clinical Microbiology Laboratory of International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B). The data included culture results of 9,854 urine samples and only Gram-negative isolates irrespective of age groups were analyzed. The prevalence of UTI was observed in 24.14%. It was observed that out of 2,379 uropathogens Escherichia coli (66.92%) was the most prevalent isolate followed by Klebsiella spp. (13.45%), Proteus spp. (6.77%) and Pseudomonas spp. (6.77%). The percentage of resistance to different antibiotics was higher in E. coli, Klebsiella spp. and Pseudomonas spp. isolates compared to that of others. Among the total number of isolates the resistant rate of E. coli and Klebsiella spp. to ampicillin was 86.09% and 83.33% and to cotrimoxazole was 67.61% and 59.81%, their resistance rate to nalidixic acid was 83.28% and 61.54%. All other isolates also showed above 80% resistance to ampicillin and above 50% to cotrimoxazole whereas imipenem was found to be the most effective against the uropathogens followed by amikacin. Key Words: Urinary tract infection; Antimicrobial resistance; Uropathogens; Bacteriuria; Gram-negative bacteria DOI: 10.3329/sjps.v2i1.5815Stamford Journal of Pharmaceutical Sciences Vol.2(1) 2009: 44-50

2019 ◽  
Author(s):  
Julia Rubin ◽  
Kaitlyn Mussio ◽  
Yuqi Xu ◽  
Joy Suh ◽  
Lee W. Riley

AbstractAlthough the human intestinal microbiome has been shown to harbor antimicrobial drug-resistance genes (ARG), the prevalence of such genes in a healthy population and their impact on extraintestinal infections that occur in that community are not well established. This study sought to identify ARG prevalence and their mobile elements in the intestines of a healthy community population at a California university, and compared these genes to those found in uropathogenic Escherichia coli isolated from patients with community-acquired urinary tract infection (CA-UTI). We isolated Gram-negative bacteria (GNB) from fecal samples of healthy volunteers and screened them by polymerase chain reaction (PCR) for ARG encoding resistance against ampicillin (AMP), trimethoprim-sulfamethoxazole (TMP-SMX), gentamicin (GENT), and colistin (COL). We found antimicrobial resistant GNB from 85 (83%) of 102 non-redundant rectal swab samples. Sixty-seven (66%) of these samples contained ß-lactamase genes (blaTEM, blaSHV, blaCTX-M, blaOXA,blaOXY), dihydrofolate reductase (DHFR) genes (dhfr-A17, dhfr-A7, dhfr-A5, dhfr-A21, dhfr-A1, dhfr-A15, and dhfr-B3), and aminoglycoside resistance genes (aadA5, aadA1, and aadB). Integron sequences were found in 37 fecal samples. These genes were found in 11 different GNB species isolated from the fecal samples. The same ARG were found in E. coli strains isolated from patients with CA-UTI examined at the college outpatient health clinic. The high prevalence of clinically-common ARG and integrons harbored by GNB in the intestine of a healthy population suggest that human intestines may serve as a major reservoir of these mobile ARG that appear in E. coli strains causing extraintestinal infections in the same community.ImportanceIncreasing frequency of antimicrobial resistance (AMR) in human pathogenic bacteria has compromised our ability to treat infections. Since mobile antibiotic resistance genes (ARG) are readily exchanged between different species of bacteria through horizontal gene transfer, there is interest in investigating sources of these genes. The normal intestinal flora has been shown to contain a wide variety of ARG, which may have been introduced via food-containing AMR bacteria. We sought to assess the prevalence of ARG carriage in the intestines of a healthy population and determine if these ARG are found in E. coli strains that cause community-acquired urinary tract infection (CA-UTI) in the same community. Our findings indicate that the human intestine may serve as an important reservoir as well as a site in which ARG are transferred into E. coli that cause UTI. Further research is needed to reduce ARG carriage and devise new strategies to prevent AMR infections.


Bionatura ◽  
2020 ◽  
Vol 5 (4) ◽  
pp. 1346-1351
Author(s):  
Risala H Allami ◽  
Raghad S. Mouhamad ◽  
Sura A. Abdulateef ◽  
Khlood abedalelah al-Khafaji

Urinary tract infection (UTI) is the second most common infection after respiratory tract infection. Its prevalence is more in women as compared to men. Approximately 50% of women have an infection of the Urinary tract in their life-time. The bacterial infection is one of the most important bioactivity; using their ability to imitate evanish then distributes international fitness problems into the 21st centenary. Thus a recent study was undertaken to investigate the antibacterial activity of a mixture of three medicinal plants against UTI infectious isolates. The three considered plants were (Aloe vera, Artemisia herba alba and Teucrium polium), which were used in Iraqi medicine for many centuries. The effectiveness of this combination was investigated using in vitro well diffusion method. The extract was tested against four isolated pathogenic bacteria (Staphylococcus aureus, Klebsiella spp, and Proteus spp). The aqueous extract exhibited antibacterial activity against gram-positive and gram-negative bacteria. The mixture extract had the highest effect against S. aureus and Proteus spp, followed by a lower effect on Klebsiella spp. In conclusion, the antibacterial effect of the tested plant extracts confirmed a higher impact on Gram-positive bacteria as compared to Gram-negative bacteria. Therefore, it can be concluded that the usage of these plants as a traditional medicine form can be considered as a strong assistant to regular medicine drugs and treatments.


2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Teguh Firdaus ◽  
Rina Yunita

Urinary Tract Infection (UTI) is the second-largest infection after respiratory tract infection (WHO, 2013). The prevalence of UTI in Indonesia is relatively high. UTI originated from the invasion and proliferation of microorganisms into the urinary tract in meaningful quantities. Gram-negative bacteria are mostly the cause of UTI including E. coli, Klebsiella sp, Enterobacter sp, and Proteus sp. Patients with UTI with inadequate treatment can experience complications e.g., acute renal failure and urosepsis. This study aims to find out the profile of bacteria that cause UTI at RSUP H. Adam Malik Medan in 2019. This descriptive study is using a non-analytical retrospective approach conducted to secondary data from urinary culture examination at RSUP H. Adam Malik Medan. Data were analyzed using the SPSS 24.  Gram-negative bacteria results of 72.7% with E. coli postulated as the most common etiology (33,3%) and gram-positive bacteria results of 27.3%, dominated by Enterococcus faecalis (16.3%). The sensitivity study exhibited various results e.g., 100%, 98.2%, and 97.0% in E. coli for Tigecycline, Meropenem, and Amikacin respectively. Enterococcus faecalis also posed a similar results regarding its sensitivity result to different antibiotics. Gram-negative bacteria are the most common bacterial etiology of UTI, specifically E. coli with comparable sensitivity results


Author(s):  
Noor E. Farjana ◽  
Md A. Islam ◽  
Tamanna Zerin ◽  
Mosammat A. Begum

Background: Urinary tract infection (UTI) is a very common infection worldwide and drug resistance makes the treatment more difficult which may lead to complications along with extended hospital stay. Therefore, this study was designed to find out the prevalence of UTI, and antimicrobial susceptibility pattern of isolates collected from patients of UTI.Methods: This study was conducted among 1,760 suspected UTI patients from January 2019 to November 2020. Urine samples from mid-stream were transferred to microbiology laboratory following microbiological standard protocol. Microbial identification was performed by microscopy, colony morphology, and biochemical characteristics. Antibiogram was pursued following the standard Kirby-Bauer disk diffusion method.Results: Our study showed almost 30% of samples were positive and E. coli was found as the highest predominating organism (50.09%) followed by Klebsiella spp., Pseudomonas spp., Enterococcus spp., and Citrobacter spp. The percentage of infection in females was 65.28% which is higher than males. The highest prevalence of UTI has been observed in females aged 21-30 years and males aged 31-40 years. However, E. coli and Pseudomonas spp. showed the highest resistance against Amoxiclav whereas, Klebsiella spp. showed it against co-trimoxazole. Citrobacter spp. showed 100% resistance towards Amikacin, cefixime, nalidixic acid, co-trimoxazole, amoxiclav, ceftazidime, and Enterococcus spp. showed against nalidixic acid and amoxiclav. Moreover, 95.8% isolates collected were resistant towards 3 or more than 3 antibiotics which is very alarming.Conclusions: Changing trend in antibiotic sensitivity profile of the isolates needs to be monitored as there is limited availability of newer drugs.


10.3823/855 ◽  
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Sameh A. Alkhodari ◽  
Abdelraouf A. Elmanama

Urinary tract infection is a public health problem worldwide. E. coli and klebsiella are among the main etiologic for UTI in Gaza Strip. The growing variations in resistance among uropathogens to antimicrobials is multifactorial and varies globally. It greatly reduces/limits or complicate treatment option. Aims: To determine the pattern of antimicrobial resistance and multidrug resistance among uropathogens at governmental hospitals. Methods: We analyzed the data of 11,890 urine samples processed in governmental hospitals in the Gaza Strip, Palestine during 2019. The percentage of resistance was calculated for uropathogens, and then multidrug resistance was calculated according to “CDC” definition. Results: Of 11,890 urine samples, 2910 (24.5%) showed significant growth.  Escherichia coli was isolated most frequently (1743; 59.9%), followed by Klebsiella spp. (725; 24.9%), Pseudomonas spp. (123; 4.2%), Streptococcus spp. (98; 3.4%), Staphylococcus aureus (41; 1.4%). Microorganisms resistance was high against Ampicillin (92.4%) and Amoxicillin (91.1%), Co-Trimoxazole (68.2%), Cefalexin (64.9%), Doxycycline (61.9%), Nalidixic acid (53.6%), Cefuroxime (53.0%), Ceftriaxone (48.9%), Ceftazidime (43.1%), Ciprofloxacin (36.9%), Gentamicin (25.8%), Amikacin (3.2%). The resistance of microorganisms in males is higher than females. Multidrug resistance was detected in 37% of E. coli and 53% in Klebsiella spp. Conclusion: Resistance is high and variable among uropathogens isolated from patients in Gaza strip. Both age and gender are risk factors in both infection and resistance pattern. The multidrug resistance percentage is growing remarkably in Gaza Strip. Keywords: Uropathogens, Resistance, Urinary tract infection, Multidrug resistance, Gaza strip, Palestine  


2018 ◽  
Vol 16 (2) ◽  
pp. 178-183
Author(s):  
Dhiraj Shrestha ◽  
Pratigya Thapa ◽  
Dinesh Bhandari ◽  
Hiramani Parajuli ◽  
Prakash Chaudhary ◽  
...  

Background: The study was designed to provide account of etiological agents of urinary tract infection in pediatric patients and the antimicrobial resistance pattern plus biofilm producing profile of the isolates.Methods: The prospective study was conducted in Alka Hospital, Nepal with 353 clean catch urine samples from children. It was obtained during July 2014 to January 2015 which were first cultured by semi-quantitative method, followed by antimicrobial susceptibility testing and biofilm production assay on Congo red agar. Multidrug- resistance, extensively drug- resistance and pandrug- resistance among isolates were considered as per international consensus.Results: Out of 353 samples, 64 (18.13%) showed positive growth in culture, confirming urinary tract infection. E. coli, 44 (68.8%) was the predominant organism followed by Klebsiella spp. 6 (14.1%). Most E. coli were sensitive to amikacin (93.2%) followed by nitrofurantoin (86.4%), and highly resistant to ampicillin (95.5%). Of 64 isolates, 23 (35.93%) were found to be multidrug- resistant strains. Biofilm was produced by 36 (56.25%) isolates.Conclusions: This study showed higher biofilm production and resistance to in-use antibiotics rendering ineffective for empirical use. Regular surveillance of resistance patterns should be done to regulate multidrug- resistant bugs and to ensure effective management of urinary tract infection in children in a tertiary care setups.Keywords: AMR; antimicrobial resistance; biofilm; urinary tract infection; UTI.


2019 ◽  
Vol 5 (2) ◽  
pp. 61-64
Author(s):  
Md Badrul Islam ◽  
Md Abdullah Yusuf ◽  
Samia Afrin ◽  
Md Abul Bashar

Objectives: This study was carried out to detect extended spectrum B-lactamases (ESBLs) among Gram negative bacteria isolated from hospitalized patients and community patients (OPD) by double disc synergy test and phenotypic confirmatory test. Methodology: This cross-sectional, prospective study was carried out in the Department of Microbiology. Dhaka National Medical College, over a period of 1 (one) year 2016. Urine samples were collected from patients. Urine samples were from hospitalized patients and community patients. Samples were collected from in-patient and outpatient department of Dhaka National Medical College Hospital having clinical symptoms of microbial infection. Samples were collected from both sexes and different age groups. Result: Total 220 urine samples were collected from suspected cases of urinary tract infection. Total 132 (60%) Gram negative bacteria were isolated from these patients as causative agents. Among the isolates, 88 (75.86%) in hospitalized patients and 44 (42.31%) in community patients were isolated. Out of 132 Gram negative bacteria, 31 (23.48%) were ESBL producers. The percentage of ESBL producing bacteria was (31.81%) in hospitalized patients and (6.82%) in community patients. Conclusion: In the present study, it was observed that considerable numbers of ESBL producing bacteria were detected from urinary tract infection cases. These cases indicate ESBLs will be major threat for antibiotic therapy. Bangladesh Journal of Infectious Diseases, December 2018;5(2):61-64


Sign in / Sign up

Export Citation Format

Share Document