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Ivana Mareković, Zrinka Bošnjak, Karla Jurić, Mario Ćorić, Sanja Popović-Grle
Nitroxoline (NTX), 5-nitro-8-hydroxyquinoline is an oral antibiotic with mechanism of bacteriostatic activity that is based on chelation of divalent cations required for bacterial RNA polymerase. Susceptibility to NTX of 100 Escherichia coli urine isolates was determined at the Department of Clinical and Molecular Microbiology, University Hospital Centre Zagreb during September and October 2017. Antimicrobial susceptibility was tested by disc diffusion and the results were interpreted according to the European Committee for Antimicrobial Susceptibility Testing (EUCAST) standards...
March 20, 2018: Journal of Chemotherapy
Y Yagel, H Nativ, K Riesenberg, L Nesher, L Saidel-Odes, R Smolyakov
Infections caused by extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) have become increasingly prevalent, posing a serious public threat worldwide. It is commonly believed that untreated urinary tract infections (UTI) and asymptomatic bacteriuria (ABU) during pregnancy are associated with poor obstetric outcomes. Currently, there is a paucity of data regarding the outcomes or risk factors of such ESBL-E infections in pregnant women. We conducted a retrospective 1:2 matched case-control study of hospitalised pregnant women with ESBL-E- vs...
March 14, 2018: Epidemiology and Infection
E Esteve-Palau, S Grau, S Herrera, L Sorlí, M Montero, C Segura, X Durán, J P Horcajada
OBJECTIVE: To analyze the clinical and economic impact of an antimicrobial stewardship program (ASP) targeting urinary tract infections (UTI) caused by extended-spectrum β-lactamase (ESBL)-producing Escherichia coli. METHODS: An observational retrospective study that included adults with a diagnosis of UTI caused by ESBL-producing E. coli admitted to a tertiary care hospital in Barcelona, Spain, between January 2014 and December 2015. The impact of the ASP was analyzed in terms of clinical and economic outcomes...
March 9, 2018: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
Anna Lena Zogg, Katrin Zurfluh, Sarah Schmitt, Magdalena Nüesch-Inderbinen, Roger Stephan
Among 64 uropathogenic Escherichia coli (UPEC) isolated from 13 cats and 51 dogs, 35 were extended-spectrum beta-lactamase (ESBL) producers, and 29 were non-ESBL producers. Forty-six (71.9%) of the isolates were multidrug resistant (MDR). Among the ESBL producers, blaCTX-M-15 (n = 17/48.6% of the blaESBLs ), blaCTX-M-1 (n = 10/28.6%), blaCTX-M-55 (n = 4/11.4%), blaCTX-M-14 (n = 3/8.6%), and blaCTX-M-27 (n = 1/2.9%) were identified. The plasmid-mediated fluoroquinolone resistance genes aac(6')-Ib-cr, qnrB and the azithromycin resistance gene mph(A) were detected in 17 (26...
March 2018: Veterinary Microbiology
Zahra Hashemizadeh, Davood Kalantar-Neyestanaki, Shahla Mansouri
INTRODUCTION: Multidrug-resistant (MDR) Escherichia coli, a species that is a leading cause of urinary tract infections (UTIs) and is a major global public health concern. This study was designed to detect the differences in antibiotic resistance patterns, the production and type of extended spectrum β-lactamases (ESBLs), and the clonal relationships among E. coli isolates from UTIs and fecal samples. METHODS: Antibacterial resistance was determined by the disk diffusion method...
January 2018: Revista da Sociedade Brasileira de Medicina Tropical
Ana Carolina C Campos, Nathália L Andrade, Mithila Ferdous, Monika A Chlebowicz, Carla C Santos, Julio C D Correal, Jerome R Lo Ten Foe, Ana Cláudia P Rosa, Paulo V Damasco, Alex W Friedrich, John W A Rossen
Urinary tract infections (UTIs) are often caused by Escherichia coli . Their increasing resistance to broad-spectrum antibiotics challenges the treatment of UTIs. Whereas, E. coli ST131 is often multidrug resistant (MDR), ST69 remains susceptible to antibiotics such as cephalosporins. Both STs are commonly linked to community and nosocomial infections. E. coli phylogenetic groups B2 and D are associated with virulence and resistance profiles making them more pathogenic. Little is known about the population structure of E...
2018: Frontiers in Microbiology
M Lagree, S Bontemps, R Dessein, F Angoulvant, F Madhi, A Martinot, R Cohen, F Dubos
OBJECTIVE: To evaluate clinical practices for ESBL-producing urinary tract infection (UTI) in France. METHODS: We performed an observational, retrospective, cross-sectional, hospital-based study in 22 pediatric departments of university or secondary care hospitals. We collected data of the last five patients presenting with ESBL-producing UTI in 2012 and the physicians' therapeutic approach to two case vignettes of acute non-septic ESBL-producing pyelonephritis (7-month-old girl) and cystitis (30-month-old girl)...
February 12, 2018: Médecine et Maladies Infectieuses
Nihar Ranjan Dash, Mohammad T Albataineh, Nawar Alhourani, Ammar Mohammad Khoudeir, Mohammed Ghanim, Mohammad Wasim, Ibrahim Mahmoud
BACKGROUND: The epidemiology of extended-spectrum β-lactamase (ESBL)-producing bacteria is fast evolving with increasing global trend towards community-acquired infections. Limited information available about ESBLs therapy outcomes and control strategies, especially in the Middle Eastern countries. METHODS: We studied 399 ESBL-producing Escherichia coli and Klebsiella pneumoniae isolates from urinary tract infections (UTIs) occurred between 2014 and 2016 in University Hospital Sharjah...
January 30, 2018: Travel Medicine and Infectious Disease
David Garrido, Santiago Garrido, Miguel Gutiérrez, Leonel Calvopiña, Amani Sunday Harrison, Michelle Fuseau, Ramiro Salazar Irigoyen
BACKGROUND: Urinary tract infections (UTI) are among the most common infections in pediatric patients. The main etiopathogenic agent is Escherichia coli. The purpose of this study was to determine the antimicrobial resistance pattern of E. coli in pediatric patients and to understand their main clinical and laboratory manifestations. METHODS: Fifty-nine patients were included in the study and classified into two groups: hospitalization (H) and external consultation (EC)...
July 2017: Boletín Médico del Hospital Infantil de México
Hyeonseok Lee, Seung Baik Han, Ji Hye Kim, Soo Kang, Areum Durey
OBJECTIVES: The incidence of urinary tract infection (UTI) due to extended-spectrum β-lactamase (ESBL)-producing Escherichia coli has increased over recent years. Initial empirical therapy is often ineffective for these resistant isolates resulting in prolonged hospitalization and increased mortality. This study was conducted to determine the risk factors of UTI caused by ESBL E. coli in the emergency department (ED). METHODS: This is a retrospective case-control study at a university hospital in Korea with UTI patients who visited ED between June 2015 and December 2016...
January 16, 2018: American Journal of Emergency Medicine
Fouad Madhi, Camille Jung, Sandra Timsit, Corinne Levy, Sandra Biscardi, Mathie Lorrot, Emmanuel Grimprel, Laure Hees, Irina Craiu, Aurelien Galerne, François Dubos, Emmanuel Cixous, Véronique Hentgen, Stéphane Béchet, Stéphane Bonacorsi, Robert Cohen
OBJECTIVES: To assess the management of febrile urinary-tract infection (FUTIs) due to extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) in children, the Pediatric Infectious Diseases Group of the French Pediatric Society set up an active surveillance network in pediatric centers across France in 2014. MATERIALS AND METHODS: We prospectively analysed data from 2014 to 2016 for all children < 18 years old who received antibiotic treatment for FUTI due to ESBL-E in 24 pediatric centers...
2018: PloS One
A J Stewardson, J Vervoort, N Adriaenssens, S Coenen, M Godycki-Cwirko, A Kowalczyk, B D Huttner, C Lammens, S Malhotra-Kumar, H Goossens, S Harbarth
OBJECTIVES: We quantified the impact of antibiotics prescribed in primary care for urinary tract infections (UTIs) on intestinal colonization by ciprofloxacin-resistant (CIP-RE) and extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE), while accounting for household clustering. METHODS: Prospective cohort study from January 2011 to August 2013 at primary care sites in Belgium, Poland and Switzerland. We recruited outpatients requiring antibiotics for suspected UTIs or asymptomatic bacteriuria (exposed patients), outpatients not requiring antibiotics (non-exposed patients), and one to three household contacts for each patient...
January 10, 2018: Clinical Microbiology and Infection
Bhargav Patel, Kinjal Patel, Anjali Shetty, Rajeev Soman, Camilla Rodrigues
Introduction: Antibiotic treatment of Urinary Tract Infections (UTI) is becoming increasingly difficult due to emergence of multi-drug resistant (ESBLs, AmpC, CRE) uropathogens. Fosfomycin is an old antibiotic that has evoked renewed interest with unique properties of not sharing any structural similarity and lack of cross-resistance with other antimicrobial agents. Our aim is to evaluate in-vitro activity of Fosfomycin against urinary tract Enterobacteriaceae. Material & Methods: The study period was March 2014 to September 2015...
September 2017: Journal of the Association of Physicians of India
Meklit Workneh, Morgan J Katz, Mohammed Lamorde, Sara E Cosgrove, Yukari C Manabe
Sparse data exist from sub-Saharan Africa (SSA) on the prevalence of antimicrobial resistance (AMR). A prior review of antimicrobial resistance in SSA from 1990 to 2013 showed a high prevalence of AMR to commonly used antibiotics in this setting. We reviewed the literature published since 2013. Four databases (PubMed, EMBASE, Cochrane, and African Journals Online) were searched for articles between February 2013 and March 2016 with a focus on sterile site infections (bacteremia, urinary tract infections [UTIs], and meningitis)...
2017: Open Forum Infectious Diseases
Waleed M Sweileh, Samah W Al-Jabi, Sa 'ed H Zyoud, Ansam F Sawalha, Adham S Abu-Taha
BACKGROUND: Antimicrobial resistance (AMR) among uropathogens contributes to treatment failure. Research in AMR among uropathogens is important to establish treatment. The aim of this study was to assess global research trends in AMR among uropathogens. METHODS: Sciverse Scopus was used to retrieve relevant documents for the period from 2002 to 2016. Only journal articles were included in the analysis. Analysis of author keywords was carried out using VOSviewer...
December 7, 2017: Journal of Global Antimicrobial Resistance
İlyas Dökmetaş, Aziz Ahmad Hamidi, Mehmet Emin Bulut, Sinan Çetin, Ahsen Öncül, Nuray Uzun
Objective: It has been shown in previous studies that inadequate empirical treatment is associated with mortality in a variety of infections caused by Gram-negative bacteria. In this study, the clinical effect of discordance in empirical treatment was investigated in patients with urinary tract infection (UTI) accompanied by bacteremia. Material and methods: We retrospectively reviewed the files of adult (>18 years old) patients who were diagnosed with UTI in our clinic between January 2014 and December 2015...
December 2017: Turkish Journal of Urology
Shyam Sunder Grover, Ananya Doda, Nupur Gupta, Inderjeet Gandhoke, Jyoti Batra, Charoo Hans, Shashi Khare
BACKGROUND & OBJECTIVES: Resistances to carbapenem group of antimicrobials among Escherichia coli due to production of carbapenemases, especially the New Delhi metallo-β-lactamase (NDM) types, pose serious challenges in the treatment of infections in healthcare settings. This study was undertaken to detect NDM producing E. coli isolates from hospitalized patients with urinary tract infection (UTI). METHODS: A total of 30 non-repetitive isolates of E. coli from hospitalized patients with clinical suspicion of UTI were subjected to antimicrobial susceptibility testing...
July 2017: Indian Journal of Medical Research
Eva Raphael, Lee W Riley
Background: Drug-resistance genes found in human bacterial pathogens are increasingly recognized in saprophytic Gram-negative bacteria (GNB) from environmental sources. The clinical implication of such environmental GNBs is unknown. Objectives: We conducted a systematic review to determine how often such saprophytic GNBs cause human infections. Methods: We queried PubMed for articles published in English, Spanish, and French between January 2006 and July 2014 for 20 common environmental saprophytic GNB species, using search terms "infections," "human infections," "hospital infection...
2017: Frontiers in Medicine
M Sarier, D Seyman, S Tekin, I Duman, B Uygun, M Demir, E Kukul, A H Yavuz
BACKGROUND: The use of a ureteral stent can cause a urinary tract infection (UTI), although it reduces urologic complications. UTIs are associated with a higher rate of ureteral stent colonization (USC). The aim of this study was to compare USC in living and deceased donor renal transplant recipients. MATERIAL AND METHODS: We conducted a prospective study of 48 patients who underwent renal transplantation between January and December 2016. The stents were removed aseptically, the inner surface of proximal and distal ends of stents were irrigated with liquid culture medium, and then they were vortexed for bacteriological investigation...
November 2017: Transplantation Proceedings
Meltem Polat, Soner Sertan Kara
Background: The rise in community-acquired urinary tract infections (UTIs) with extended-spectrum β-lactamase (ESBL)-producing Escherichia coli strains raises the question of how to treat these infections effectively in pediatric outpatients. Amikacin has shown promising in vitro activity against ESBL-producing urinary isolates of E. coli ; however, clinical data are limited. Objective: To investigate the clinical and microbiological outcomes of community-acquired lower UTIs caused by ESBL-producing E...
2017: Infection and Drug Resistance
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