scholarly journals Prevalence of Multidrug resistant Non-fermenting gram negative bacilli (NFGNB) in Urinary tract infections in a tertiary care North Indian hospital-A Pilot study.

2021 ◽  
Vol 39 ◽  
pp. S20
Author(s):  
Julmaria Teena ◽  
Khanna Ashish ◽  
Sharma Sarbjeet
Biology ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 889
Author(s):  
Ann A. Elshamy ◽  
Sarra E. Saleh ◽  
Mohammad Y. Alshahrani ◽  
Khaled M. Aboshanab ◽  
Mohammad M. Aboulwafa ◽  
...  

Gram-negative bacteria are common causes of urinary tract infections (UTIs). Such pathogens can acquire genes encoding multiple mechanisms of antimicrobial resistance, including carbapenem resistance. The aim of this study was to detect the carbapenemase-producing ability of some Gram-negative bacterial isolates from urine specimens of patients suffering from complicated UTIs at two vital tertiary care hospitals in Cairo, Egypt; to determine the prevalence of carbapenemase genes among plasmid-bearing isolates; and explore the possibility of horizontal gene transfer to other bacterial species. The collected isolates were subjected to antimicrobial susceptibility testing, phenotypic analysis of carbapenemase production, and molecular detection of plasmid-borne carbapenemase genes, then the extracted plasmids were transformed into competent E. coli DH5α. A total of 256 Gram-negative bacterial clinical isolates were collected, 65 (25.4%) isolates showed carbapenem resistance of which 36 (55.4%) were carbapenemase-producers, and of these 31 (47.7%) harbored plasmids. The extracted plasmids were used as templates for PCR amplification of blaKPC, blaNDM, blaVIM, blaOXA-48, and blaIMP carbapenemase genes. The blaOXA-48 gene was detected in 24 (77.4%) of the tested isolates while blaVIM gene was detected in 8 (25.8%), both blaKPC and blaNDM genes were co-present in 1 (3.2%) isolate. Plasmids carrying the blaOXA-48 gene from 4 K. pneumoniae clinical isolates were successfully transformed into competent E. coli DH5α. The transformants were carbapenemase-producers and acquired resistance to some of the tested antimicrobial agents as compared to untransformed E. coli DH5α. The study concluded that the rate of carbapenem resistance among Gram-negative bacterial uropathogens in Cairo, Egypt is relatively high and can be transferred horizontally to other bacterial host(s).


Antibiotics ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 7
Author(s):  
Grzegorz Ziółkowski ◽  
Iwona Pawłowska ◽  
Michał Stasiowski ◽  
Estera Jachowicz ◽  
Jadwiga Wójkowska-Mach ◽  
...  

Background: The risk of healthcare-associated infections (HAIs) in surgical wards remains closely related to the type of surgery and procedures performed on patients. Those factors also condition the risk of various forms of clinical infections, especially urinary tract infections (UTIs). UTIs are most frequently (70–80% of cases) caused by the use of bladder catheter in the perioperative period. The aim of this study was to perform an epidemiological and microbiological analysis of UTIs in orthopedic patients, with an emphasis on multidrug-resistant (MDR) micro-organisms. Methods: The study was conducted in a 38-bed Department of Orthopedic-Traumatic Surgery in Sosnowiec, Poland. 5239 patients, operated on in 2013–2015, were included in the study. The urinary catheter use rate was 30.7%. Laboratory-based study used the UTI definition of the HAI-Net program. A micro-organism was declared MDR if it was resistant to at least one antibiotic from three or more groups of antibacterial drugs, and extensively drug-resistant (XDR) if it was sensitive to antibiotics from no more than two groups of drugs. Results: The UTI incidence was 3.2% (168 cases), the CA-UTI incidence density was 9.6/1000 catheter days. The highest risk of UTI was found in patients aged 75 or older. Monomicrobial cultures were detected in 163 specimens (78% of all microbiologically confirmed UTIs). Gram-negative flora prevailed among the micro-organisms, the predominantly isolated Enterobacteriaceae being Escherichiacoli and Klebsiellapneumoniae. In 16 patients (7.7% of microbiologically confirmed UTIs), yeast infection was confirmed. Isolated micro-organisms were fully sensitive to carbapenems. Gram-negative bacilli showed the lowest sensitivity to extended substrate spectrum penicillins and fluoroquinolones (37–64%), as well as to trimethoprim-sulfamethoxazole (50%). The MDR prevalence was 24.4%. Conclusions: The presented data indicates that UTIs are a significant problem in the studied population, so is antimicrobial resistance, especially to quinolones, and extended-spectrum cephalosporins, which are often used as first-line therapy. To tackle the problem of high UTI incidence and MDR prevalence, reducing the UTI risk factors should be prioritized.


2018 ◽  
Vol 4 (2) ◽  
pp. 63
Author(s):  
Binod Chapagain ◽  
Parshal Bhandari ◽  
Binod Aryal

The main purpose of this study was to find out the causative agents of urinary tract infections (UTI) and their culture and antibiotic sensitivity in patients visiting Tribhuvan University and Teaching Hospital (TUTH). A retrospective study conducted among 155 patients, aged from 25-50 years with culture-positive UTI, who visited TUTH from 1st April 2017 to 30th September 2017. A culture of midstream urine was done to find out causative agents and their antibiotic sensitivity performed. Data were evaluated using Microsoft Excel 2016. Female were more affected than males. Escherichia coli (E. coli) was the most common microbes causing UTI in 53% patients. Most of the isolates on culture were Multi-Drug Resistant (MDR) strains to comprise 52%. Of the total gram-negative organisms, 33.9% were Extended Spectrum β-lactamase (ESBL) producers, and 3.57% were Metallo β-lactamase (MBL) producers. 29.41% of Staphylococcus were resistant to methicillin. E.coli is the most common organism causing UTI among adults. Multidrug-resistant has appeared alarming with resistant to most of the first line antibiotics.


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