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proteus mirabilis in urine

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https://www.readbyqxmd.com/read/29790623/the-analysis-of-microbial-spectrum-and-antibiotic-resistance-of-uropathogens-isolated-from-patients-with-urinary-stones
#1
Dong Chen, Yuyan Zhang, Jian Huang, Xiongfa Liang, Tao Zeng, Chuangxin Lan, Xiaolu Duan, Zhijian Zhao, Guohua Zeng, Hans-Göran Tiselius, Xiaogang Lu, Wenqi Wu
PURPOSE: The characteristics and resistance patterns of urine bacteriology in patients with urinary tract stones have not been extensively studied. This study aims to investigate the microbial spectrum and antibiotic resistance of uropathogens isolated from urinary tract infections in patients with urinary stones and provide a basis for appropriate antimicrobial treatments. METHODS: The results of positive bladder midstream urine cultures and their antimicrobial susceptibility were retrospectively analysed from hospitalised patients with diagnosis of urinary calculi and urinary tract infections between January 2010 and December 2015...
May 23, 2018: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/29775211/proanthocyanidins-will-they-effectively-restrain-conspicuous-bacterial-strains-devolving-on-urinary-tract-infection
#2
REVIEW
Venkataseshan Jagannathan, Pragasam Viswanathan
Struvite or infection stones are one of the major clinical burdens among urinary tract infection, which occur due to the interaction between microbes and urine mineral components. Numerous urinary tract infection (UTI) causing microbes regulate through biofilm formation for survival from host defense, it is often found difficult in its eradication with simple anti-microbial agents and also the chance of recurrence and resistance development is significantly high. Cranberry consumption and maintenance of urinary tract health have been supported by clinical, epidemiological, and mechanistic studies...
May 18, 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29774893/prevalence-and-antimicrobial-sensitivity-pattern-of-urinary-tract-infection-among-children-with-cerebral-palsy-moshi-tanzania
#3
Amon Ryakitimbo, Rune Philemon, Festo Mazuguni, Levina Msuya
Background: Urinary tract infection (UTI) in children with cerebral palsy (CP) is a challenging yet common clinical condition. Children with CP bare the greatest risk of contracting UTI because of their difficulties in neuromotor control which lead to delay of bladder control, causing incomplete bladder emptying and urine retention. Method: This was an analytical cross-sectional study that was conducted from September 2016 to March 2017 at Comprehensive Community Based Rehabilitation in Tanzania - Moshi and Kilimanjaro Christian Medical Centre Neurological Pediatrics Outpatient Clinic...
2018: Pediatric Health, Medicine and Therapeutics
https://www.readbyqxmd.com/read/29622684/prevalence-of-feline-urinary-tract-pathogens-and-antimicrobial-resistance-over-five-years
#4
Svenja Teichmann-Knorrn, Sven Reese, Georg Wolf, Katrin Hartmann, Roswitha Dorsch
The aim of this retrospective study was to document the prevalence of bacterial species in cats with significant bacteriuria and to compare their antimicrobial susceptibilities over five years. One hundred sixty-nine positive urine cultures from 150 cats were included. Fifty-five per cent showed clinical signs, while 40 per cent had subclinical bacteriuria. Escherichia coli , Staphylococcus species, Enterococcus species, Streptococcus species and Proteus mirabilis accounted for 50.5 per cent, 22.9 per cent, 15,1 per cent, 3...
April 5, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29618582/uropathogens-and-pyuria-in-children-with-neurogenic-bladders
#5
Catherine S Forster, Nader Shaikh, Alejandro Hoberman, Elizabeth Jackson
: media-1vid110.1542/5727212324001PEDS-VA_2017-3006 Video Abstract BACKGROUND: A recent study revealed that specific uropathogens are associated with lower odds of pyuria in a general pediatrics population. Children with neurogenic bladders who require clean intermittent catheterization (CIC) frequently have pyuria. Our objective with this study was to determine if an association exists between pyuria and type of uropathogen in CIC-dependent children. METHODS: We obtained urinalysis and urine culture results from electronic medical records from January 2008 through December 2014 for patients ≤18 years of age with neurogenic bladders managed at a single institution...
May 2018: Pediatrics
https://www.readbyqxmd.com/read/29581074/susceptibility-profiles-of-bacteria-causing-urinary-tract-infection-in-mexico-single-center-experience-with-10-years-results
#6
Francisco Alejandro Lagunas-Rangel
OBJECTIVES: The aim of this retrospective study was to describe urinary tract infections (UTIs) diagnosed in a single center in Mexico through 10 years of results, with a particular emphasis on the etiology, patterns of antimicrobial susceptibility and incidence of extended-spectrum β-lactamase-producing strains (ESBL). METHODS: This study involved all urine samples analyzed during the period between March 2007 and September 2017. Isolated uropathogens were identified to species level using routine laboratory methods Antimicrobial susceptibility was determined by the disc diffusion method...
March 23, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29541448/multidrug-resistant-gram-negative-bacterial-infections-in-a-teaching-hospital-in-ghana
#7
Nicholas Agyepong, Usha Govinden, Alex Owusu-Ofori, Sabiha Yusuf Essack
Background: Multidrug-resistant Gram-negative bacteria have emerged as major clinical and therapeutic dilemma in hospitals in Ghana.To describe the prevalence and profile of infections attributable to multidrug-resistant Gram-negative bacteria among patients at the Komfo Anokye Teaching Hospital in the Ashanti region of Ghana. Methods: Bacterial cultures were randomly selected from the microbiology laboratory from February to August, 2015. Bacterial identification and minimum inhibitory concentrations were conducted using standard microbiological techniques and the Vitek-2 automated system...
2018: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29519514/prevalence-of-esbl-ampc-genes-and-specific-clones-among-the-third-generation-cephalosporin-resistant-enterobacteriaceae-from-canine-and-feline-clinical-specimens-in-japan
#8
Yoshihiko Maeyama, Yui Taniguchi, Wataru Hayashi, Yusuke Ohsaki, Shunsuke Osaka, Shota Koide, Kiyoko Tamai, Yukiko Nagano, Yoshichika Arakawa, Noriyuki Nagano
In recent years, besides the widespread occurrence of extended-spectrum β-lactamase (ESBL)- and/or plasmid-mediated AmpC (pAmpC)-producing Enterobacteriaceae in both healthcare and community settings of humans, the third-generation cephalosporin (3GC)-resistant microbes have also been reported from companion animals worldwide. Here, we characterized ESBL- and/or pAmpC-producing Enterobacteriaceae clinical isolates from companion animals. Among the 487 clinical isolates mainly from urine of dogs and cats between May and September 2016, 104 non-repetitive isolates were resistant to the 3GC, and they consisted of 81 of 381 (21...
March 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29443508/development-of-an-infection-responsive-fluorescent-sensor-for-the-early-detection-of-urinary-catheter-blockage
#9
Scarlet Milo, Florianne B Acosta, Hollie J Hathaway, Laura A Wallace, Naing T Thet, A Toby A Jenkins
Formation of crystalline biofilms following infection by Proteus mirabilis can lead to encrustation and blockage of long-term indwelling catheters, with serious clinical consequences. We describe a simple sensor, placed within the catheter drainage bag, to alert of impending blockage via a urinary color change. The pH-responsive sensor is a dual-layered polymeric "lozenge", able to release the self-quenching dye 5(6)-carboxyfluorescein in response to the alkaline urine generated by the expression of bacterial urease...
March 23, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29424333/pathogenesis-of-proteus-mirabilis-infection
#10
Chelsie E Armbruster, Harry L T Mobley, Melanie M Pearson
Proteus mirabilis , a Gram-negative rod-shaped bacterium most noted for its swarming motility and urease activity, frequently causes catheter-associated urinary tract infections (CAUTIs) that are often polymicrobial. These infections may be accompanied by urolithiasis, the development of bladder or kidney stones due to alkalinization of urine from urease-catalyzed urea hydrolysis. Adherence of the bacterium to epithelial and catheter surfaces is mediated by 17 different fimbriae, most notably MR/P fimbriae...
February 2018: EcoSal Plus
https://www.readbyqxmd.com/read/29416274/trend-analysis-of-bacterial-uropathogens-and-their-susceptibility-pattern-a-4-year-2013-2016-study-from-aseer-region-saudi-arabia
#11
Abdulaziz Alamri, Mohamed E Hamid, Muhammad Abid, Abdulrahman M Alwahhabi, Khalid M Alqahtani, Mohammed S Alqarni, Mosleh Abomughaid
Purpose: To analyze the prevalence and resistance rates of bacterial agents causing urinary tract infections (UTIs) in Aseer, Saudi Arabia (2013-2016). Patients and Methods: This was a 4-year (2013-2016) retrospective study undertaken in Aseer Central Hospital, Saudi Arabia. A total of 49,779 urine and other UT specimens obtained from patients suspected of having a UTI were analyzed. Urine specimens were inoculated onto cystine lactose electrolyte deficient agar following standard procedures...
January 2018: Urology Annals
https://www.readbyqxmd.com/read/29215782/the-effect-of-urinary-foley-catheter-substrate-material-on-the-antimicrobial-potential-of-calixerene-based-molecules
#12
A Guildford, C Morris, O Kitt, I Cooper
AIMS: This study was to investigate the antimicrobial activity of a modified calixarene polymer bound to a silicone substrate in the presence of pathogens associated with catheter infections, Escherichia coli and Proteus mirabilis. METHODS AND RESULTS: The molecule and its constituent parts were studied bound and unbound to silicone substrates to ascertain growth effects. Minimum inhibitory and bactericidal concentrations were determined against E. coli and P. mirabilis...
December 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29184412/a-6-year-study-of-complicated-urinary-tract-infections-in-southern-china-prevalence-antibiotic-resistance-clinical-and-economic-outcomes
#13
Xiaoyan Li, Yunqin Chen, Weiguo Gao, Hao Ye, Zhongchao Shen, Zehuai Wen, Jia Wei
Urinary tract infections (UTIs) are common nosocomial infections. This study evaluated the prevalence, pathogens, antibiotic resistances, clinical outcomes, and hospitalization costs associated with complicated UTIs in southern China, and risk factors delaying patient discharge. We retrospectively reviewed electronic medical records of 4,284 (61.4% women) complicated UTI-related hospitalizations from 2008 to 2013. Average patient age was 61.1 years and median hospital stay was 11 days. Pathogens were isolated from 1,071 urine and 148 blood specimens...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29138084/determination-immunogenic-property-of-truncated-mrph-flic-as-a-vaccine-candidate-against-urinary-tract-infections-caused-by-proteus-mirabilis
#14
Zakaria Bameri, Mohammad Reza Asadi Karam, Mehri Habibi, Parastoo Ehsani, Saeid Bouzari
Proteus mirabilis is common cause of urinary tract infections (UTIs) especially in complicated UTIs which are resistant to antibiotic therapy, Consequently, an ideal vaccine is inevitably required. The N-terminal domain of MrpH (Truncated form of MrpH) lies between the most critical antigens of P. mirabilis to consider as vaccine candidate. FliC of Salmonella typhimurium induces several pathways of immunity system, which leads to produce antibody and cytokines. In this study, adjuvant properties of FliC and efficacy of truncated MrpH as important antigen, in tMrpH...
January 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29111434/empirical-treatment-of-lower-urinary-tract-infections-in-the-face-of-spreading-multidrug-resistance-in-vitro-study-on-the-effectiveness-of-nitroxoline
#15
A Sobke, O Makarewicz, M Baier, C Bär, W Pfister, S G Gatermann, M W Pletz, C Forstner
The spread of antimicrobial resistance challenges the empirical treatment of urinary tract infections (UTIs). Among others, nitrofurantoin is recommended for first-line treatment, but acceptance among clinicians is limited due to chronic nitrofurantoin-induced lung toxicity and insufficient coverage of Enterobacteriaceae other than Escherichia coli. Nitroxoline appears to be an alternative to nitrofurantoin owing to its favourable safety profile, however data on its current in vitro susceptibility are sparse...
February 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29032522/comparative-characteristic-of-antimicrobial-resistance-in-geriatric-hospital-a-retrospective-cohort-study
#16
G Goltsman, E H Mizrahi, A Leibovitz, G Gal, O Gorelik, E Lubart
BACKGROUND AND AIMS: To examine antimicrobial resistance of commonly isolated pathogens in elderly hospitalized patients. METHODS: Data regarding all clinically significant isolates from blood and urine cultures of patients admitted to a multilevel geriatric hospital during March 2015 to April 2016 were collected. Antimicrobial susceptibility testing was performed according to Clinical and Laboratory Standard Institute guidelines. RESULTS: Escherichia coli, Proteus mirabilis, and Klebsiella pneumoniae were the most common isolates, with proportions of extended spectrum beta-lactamase positivity of 60, 40, and 61% respectively...
October 14, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29028588/formation-of-struvite-urinary-stones-and-approaches-towards-the-inhibition-a-review
#17
REVIEW
Poppy Das, Gaurav Gupta, Vinodhini Velu, Rajendra Awasthi, Kamal Dua, Himaja Malipeddi
BACKGROUND: Struvite is one of the most common urinary/kidney stones, composed of magnesium ammonium phosphate (MgNHPO4 ·H2 O). They are also termed as infection stones as these are associated with urinary tract infections. Numerous studies have been carried out to examine the growth and inhibition of struvite stones. OBJECTIVE: This review summarizes various reports on the factors responsible for inducing struvite stones in the kidney and gives a detailed account of studies on inhibition of growth of struvite crystals...
December 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28939900/fluoxetine-and-thioridazine-inhibit-efflux-and-attenuate-crystalline-biofilm-formation-by-proteus-mirabilis
#18
Jonathan Nzakizwanayo, Paola Scavone, Shirin Jamshidi, Joseph A Hawthorne, Harriet Pelling, Cinzia Dedi, Jonathan P Salvage, Charlotte K Hind, Fergus M Guppy, Lara M Barnes, Bhavik A Patel, Khondaker M Rahman, Mark J Sutton, Brian V Jones
Proteus mirabilis forms extensive crystalline biofilms on indwelling urethral catheters that block urine flow and lead to serious clinical complications. The Bcr/CflA efflux system has previously been identified as important for development of P. mirabilis crystalline biofilms, highlighting the potential for efflux pump inhibitors (EPIs) to control catheter blockage. Here we evaluate the potential for drugs already used in human medicine (fluoxetine and thioridazine) to act as EPIs in P. mirabilis, and control crystalline biofilm formation...
September 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28922100/frequency-and-antibiotic-resistance-of-bacteria-implicated-in-community-urinary-tract-infections-in-north-aveiro-between-2011-and-2014
#19
Tânia Costa, Inês Linhares, Ricardo Ferreira, Jasmin Neves, Adelaide Almeida
AIMS: The present study aims to evaluate the predominance of uropathogens responsible for urinary tract infection (UTI) and determine their resistance patterns, to assess if the recommended empirical treatment is appropriate for the studied population. Samples were collected in Aveiro (Portugal) from an ambulatory service between June 2011 and June 2014. RESULTS: From the 4,270 positive urine samples for UTI, 3,561 (83%) were from women and only 709 (17%) were from men...
September 18, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28827106/evaluation-of-biofilm-induced-urinary-infection-stone-formation-in-a-novel-laboratory-model-system
#20
Trace Hobbs, Logan N Schultz, Ellen G Lauchnor, Robin Gerlach, Dirk Lange
PURPOSE: Infection stones, which comprise approximately 15% of all urinary tract stones, are induced by infection with urease-positive pathogens. The bacteria in the stone matrix present significant treatment impediments compared to metabolic kidney stones. While much is known about how urinary composition regulates metabolic stone formation, there is a general lack of knowledge of which urinary factors regulate the rate of infection stone formation. Unfortunately more in-depth research into infection stones is limited by the lack of suitable models for real-time study of bacterial biofilm formation and stone formation under varying conditions...
January 2018: Journal of Urology
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