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https://www.readbyqxmd.com/read/28525997/increased-resistance-of-gram-negative-urinary-pathogens-after-kidney-transplantation
#1
Johannes Korth, Julia Kukalla, Peter-Michael Rath, Sebastian Dolff, Marco Krull, Hana Guberina, Anja Bienholz, Benjamin Wilde, Stefan Becker, Birgit Ross, Olympia Evdoxia Anastasiou, Andreas Kribben, Oliver Witzke
BACKGROUND: Urinary tract infection is the most common complication after kidney transplantation. It can cause severe sepsis and transplant loss. Emergence of drug resistance among gram-negative urinary pathogens is the current challenge for urinary tract infection treatment after kidney transplantation. METHODS: This study analyzes the antimicrobial susceptibility of gram-negative urinary pathogens after kidney transplantation from 2009 to 2012 at the Transplant Outpatient Clinic of the University Hospital Essen, Germany...
May 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28520867/activity-of-ceftolozane-tazobactam-against-surveillance-and-problem-enterobacteriaceae-pseudomonas-aeruginosa-and-non-fermenters-from-the-british-isles
#2
David M Livermore, Shazad Mushtaq, Daniele Meunier, Katie L Hopkins, Robert Hill, Rachael Adkin, Aiysha Chaudhry, Rachel Pike, Peter Staves, Neil Woodford
Background: We assessed the activity of ceftolozane/tazobactam against consecutive isolates collected in the BSAC Bacteraemia Surveillance from 2011 to 2015 and against 'problem' isolates sent to the UK national reference laboratory from July 2015, when routine testing began. Methods: Susceptibility testing was by BSAC agar dilution with resistance mechanisms identified by PCR and interpretive reading. Results: Data were reviewed for 6080 BSAC surveillance isolates and 5473 referred organisms...
May 16, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28516225/a-case-of-bilateral-keratitis-caused-by-providencia-alcalifaciens-a-rarely-encountered-ocular-pathogen
#3
Won Choi, Yong Sok Ji, Kyung Chul Yoon
PURPOSE: To report a case of keratitis caused by Providencia alcalifaciens. METHODS: A 70-year-old man presented with pain, redness, and decreased vision in both of his eyes. On initial presentation, the visual acuity in both of his eyes was hand motion, and slit lamp examination showed diffuse infiltrates and total epithelial defects of the cornea, conjunctival hyperemia, and severe anterior chamber reactions with 2-mm-height hypopyon. The results of laboratory studies revealed elevated liver function tests, which indicated the presence of alcoholic liver disease...
May 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28505331/antimicrobial-susceptibility-of-clinical-isolates-of-neisseria-gonorrhoeae-to-alternative-antimicrobials-with-therapeutic-potential
#4
P R S Lagacé-Wiens, H J Adam, N M Laing, M R Baxter, I Martin, M R Mulvey, J A Karlowsky, D J Hoban, G G Zhanel
Background: The prevalence of MDR Neisseria gonorrhoeae is increasing globally and represents a public health emergency. Development and approval of new anti-gonococcal agents may take years. As a concurrent approach to developing new antimicrobials, the laboratory and clinical evaluation of currently licensed antimicrobials not widely used for the treatment of gonorrhoea may provide new options for the treatment of gonococcal infections. Objectives: To determine the in vitro activity of nine alternative, currently licensed and late-development antimicrobials with the potential to treat gonococcal infections against 112 clinical isolates of N...
May 12, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28505288/effect-of-different-antibiotics-on-biofilm-produced-by-uropathogenic-escherichia-coli-isolated-from-children-with-urinary-tract-infection
#5
María José González, Luciana Robino, Victoria Iribarnegaray, Pablo Zunino, Paola Scavone
Recurrent urinary tract infections (UTI) occur frequently in children and women. Intracellular bacterial communities (IBC) and biofilm formation by Escherichia coli are risk factors for recurrence. The aim of the present study was to evaluate the effect of different antibiotics on biofilms by E. coli strains isolated from children with UTI and to correlate virulence factors and IBC with biofilm formation. 116 E. coli strains were tested for biofilm formation using the crystal violet microplate technique. 58...
May 12, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28501000/combination-of-a-biodegradable-three-dimensional-3d-printed-cage-for-mechanical-support-and-nanofibrous-membranes-for-sustainable-release-of-antimicrobial-agents-for-treating-the-femoral-metaphyseal-comminuted-fracture
#6
Ying-Chao Chou, Demei Lee, Tzu-Min Chang, Yung-Heng Hsu, Yi-Hsun Yu, Err-Cheng Chan, Shih-Jung Liu
The aim of this study was to develop a biodegradable three-dimensional-printed polylactide (PLA) cage for promoting bony fixation and an antibiotics-embedded poly(d,l)-lactide-co-glycolide (PLGA) nanofibrous membrane for infectious prophylaxis during treating the comminuted metaphyseal fracture in a rabbit femoral model. The in vitro studies included measuring the mechanical properties of the 3D printed cage and determining release activities of vancomycin and ceftazidime from the nanofibers. The in vivo study included comparisons of rabbits of the femoral metaphyseal comminuted fracture treated with or without the combined biodegradable polymers...
May 2, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28497052/etiological-and-resistance-profile-of-bacteria-involved-in-urinary-tract-infections-in-young-children
#7
Antonio Sorlózano-Puerto, José María Gómez-Luque, Juan de Dios Luna-Del-Castillo, José María Navarro-Marí, José Gutiérrez-Fernández
Background. The objective of this study was to identify the bacteria most frequently responsible for urinary tract infection (UTI) in the population of under-2-year-olds in our geographic area and to evaluate the activity of antibiotics widely used for UTI treatment during a 4-year study period. Materials and Methods. A retrospective analysis was conducted of data on the identification and susceptibility of microorganisms isolated in urine samples from children under 2 years of age. Results. A total of 1,045 uropathogens were isolated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28483953/ceftolozane-tazobactam-activity-against-pseudomonas-aeruginosa-clinical-isolates-from-us-hospitals-report-from-an-antimicrobial-surveillance-program-pacts-2012-2015
#8
Dee Shortridge, Mariana Castanheira, Michael A Pfaller, Robert K Flamm
The activity of ceftolozane-tazobactam was compared to the activity of 7 antimicrobials against 3,851 Pseudomonas aeruginosa isolates collected from 32 US hospitals in the Program to Assess Ceftolozane-Tazobactam Susceptibility from 2012-2015. Ceftolozane-tazobactam and comparator susceptibilities were determined using the CLSI broth microdilution method at a central monitoring laboratory. For ceftolozane-tazobactam, 97.0% of the isolates were susceptible. Susceptibilities of the other antibacterials tested were: amikacin, 96...
May 8, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28483952/outcomes-with-ceftazidime-avibactam-in-patients-with-carbapenem-resistant-enterobacteriaceae-cre-infections-a-multi-center-study
#9
Madeline King, Emily Heil, Safia Kuriakose, Tiffany Bias, Vanthida Huang, Claudine El-Beyrouty, Dorothy McCoy, Jon Hiles, Lynette Richards, Julianne Gardner, Nicole Harrington, Kenneth Biason, Jason Gallagher
Ceftazidime-avibactam is a novel cephalosporin-beta-lactamase inhibitor combination that is active against many carbapenem-resistant Enterobacteriaceae (CRE). We describe a retrospective chart review whereby 60 patients received ceftazidime-avibactam for a CRE infection. In hospital mortality was 32%, 53% of patients had microbiological cure, and 65% had clinical success. In this severely ill population with CRE infections, ceftazidime-avibactam was an appropriate option.
May 8, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28480813/risk-factors-associated-with-multi-drug-resistant-acinetobacter-baumannii-nosocomial-infections-at-a-tertiary-care-hospital-in-makkah-saudi-arabia%C3%A2-%C3%A2-a-matched-case-control-study
#10
Manal M Al-Gethamy, Hani S Faidah, Hamed A Ademola, Abdul Haseeb, Sami S Ashgar, Tayeb K Mohanned, Al-Haj Mohammed, Muhammad Khurram, Mohamed A Hassali
Objective To determine risk factors for multi-drug-resistant Acinetobacter baumannii (MDR-AB) nosocomial infections in intensive care units in a tertiary care hospital, Makkah, Saudi Arabia. Methods We performed a hospital-based, matched case-control study in patients who were admitted to Al Noor Specialist Hospital between 1 January 2012 and 31 August 2012. The study included cases of A. baumannii nosocomial infection and controls without infection. Controls were matched to cases by age and ward of admission...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28478753/antibiotic-prescription-patterns-in-spanish-cystic-fibrosis-patients-results-from-a-national-multicenter-study
#11
Juan de Dios Caballero, Rosa Girón, Rosa Del Campo, Concepción Prados, María-Isabel Barrio, Antonio Salcedo, Rafael Cantón
OBJECTIVE: Information about antibiotic prescription patterns for cystic fibrosis (CF) patients and, specifically, about inhaled treatment strategies for their management is lacking in Spain due to the absence of a national patient registry. In this study we present data about antibiotic prescription in the Spanish CF context that were obtained in a multicenter study, being inhaled treatment strategies the special focus of this work. METHODS: Twenty-four specialized CF units (12 adult, 12 pediatric) from 17 tertiary-care hospitals covering all Spanish Autonomous Communities provided sputa and clinical data from 15 consecutive patients...
May 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28476706/management-of-antibiotic-associated-pseudomembranous-colitis-in-non-hospitalized-and-hospitalized-patients
#12
Chun-Feng Tian, Bai-Yu Su, Yu-Juan Li, Yu-Hong Tong, Xu-Hong Zhao, Jian-Ying Liang, Shun-Bao Li, Bu-Lang Gao
Proper management of antibiotic-associated pseudo membranous colitis is not clear. This article is to investigate proper treatment of antibiotic-associated pseudo membranous colitis. Data of 67 patients (aged 18-69 years, with 31 males and 46 females) with antibiotic-associated pseudo membranous colitis were retrospectively analyzed including the demography, antibiotics to induce and for treatment of the pseudo membranous colitis, and other supportive measures. All 67 patients had a positive cytotoxin test, which confirmed the pseudo membranous colitis...
September 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28469611/n2-gas-flushing-limits-the-rise-of-antibiotic-resistant-bacteria-in-bovine-raw-milk-during-cold-storage
#13
Patricia Munsch-Alatossava, Susanna Jääskeläinen, Tapani Alatossava, Jean-Pierrre Gauchi
Antibiotic resistance has been noted to be a major and increasing human health issue. Cold storage of raw milk promotes the thriving of psychrotrophic/psychrotolerant bacteria, which are well known for their ability to produce enzymes that are frequently heat stable. However, these bacteria also carry antibiotic resistance (AR) features. In places, where no cold chain facilities are available and despite existing recommendations numerous adulterants, including antibiotics, are added to raw milk. Previously, N2 gas flushing showed real potential for hindering bacterial growth in raw milk at a storage temperature ranging from 6 to 25°C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28465811/frequency-of-extended-spectrum-beta-lactamases-esbls-in-strains-of-klebsiella-and-e-coli-isolated-from-patients-hospitalized-in-yazd
#14
Hengameh Zandi, Seyed Mostafa Tabatabaei, Fatemeh Ehsani, Mojtaba Babaei Zarch, Samira Doosthosseini
INTRODUCTION: Frequency of extended-spectrum beta-lactamases (ESBLs) and its variants may vary in different geographical areas, as reports indicate their spread in some certain communities. The aim of this study was to determine the frequency of ESBLs in strains of Klebsiella and E. coli, isolated from patients hospitalized in teaching hospitals of Yazd. METHODS: This cross-sectional study was carried out on samples including E. coli and Klebsiella strains collected from laboratories of Shahid Sadoughi and Shahid Rahnemoun hospitals in Yazd, Iran in the period of 2011-2012...
February 2017: Electronic Physician
https://www.readbyqxmd.com/read/28461318/impaired-inhibition-by-avibactam-and-resistance-to-the-ceftazidime-avibactam-combination-due-to-the-d-179-y-substitution-in-the-%C3%AE-lactamase-kpc-2
#15
Fabrice Compain, Michel Arthur
The ceftazidime-avibactam combination was recently shown to be at risk of emergence of resistance under treatment. To gain insight into the underlying mechanism, we have analyzed the catalytic properties of a KPC-2 β-lactamase harboring the D(179)Y substitution. We show that impaired inhibition by avibactam combined with significant residual activity for ceftazidime hydrolysis accounts for resistance. In contrast, the D(179)Y substitution abolished hydrolysis of aztreonam and imipenem indicating these drugs might provide therapeutic alternatives...
May 1, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28451778/central-nervous-system-melioidosis-in-the-pediatric-age-group-review
#16
REVIEW
G Lakshmi Prasad, Pushpa Kini, Divya S
PURPOSE: Melioidosis is a potentially fatal infectious disease caused by Burkholderia pseudomallei. Neurologic involvement in pediatric age group is very rare, and only a handful of cases have been reported in literature. We sought to provide a systematic review of pediatric neurologic melioidosis. METHODS: Literature review was performed to analyze reported cases of pediatric neurologic melioidosis (≤16 years) by searching online database (PubMed/MEDLINE). RESULTS: Twenty-seven cases were analyzed...
April 27, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28444315/towards-the-early-detection-of-%C3%AE-lactamase-producing-enterobacteriaceae-by-maldi-tof-ms-analysis
#17
Marina Oviaño, Marta Gómara, Maria José Barba, María José Revillo, Luis Pedro Barbeyto, Germán Bou
Objectives: Development of a novel MALDI-TOF MS-based method for the rapid detection of ESBL-producing Enterobacteriaceae. Methods: The method was evaluated in terms of sensitivity, specificity and turnaround time regarding the antibiotic used (cefotaxime, ceftazidime, ceftriaxone, cefpodoxime or cefepime) and the performance of the automated MBT STAR-BL software (Bruker Daltonik GmbH, Germany) relative to qualitative interpretation of spectra for detecting β-lactamase resistance by MALDI-TOF MS (Bruker Daltonik) in a collection of 11 isogenic Escherichia coli control strains expressing different β-lactamases...
April 24, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28443385/pseudomonas-aeruginosa-prevalence-antibiotic-resistance-and-antimicrobial-use-in-chinese-burn-wards-from-2007-to-2014
#18
Yi Dou, Jingning Huan, Feng Guo, Zengding Zhou, Yan Shi
Objective To assess the application of antibacterial agents, alongside pathogen prevalence and Pseudomonas aeruginosa drug resistance, with the aim of understanding the impact of inappropriate antibacterial use. Methods This retrospective study assessed bacteria from wounds, catheters, blood, faeces, urine and sputum of hospitalized patients in burn wards between 2007 and 2014. The intensity of use of antibacterial agents and resistance of P. aeruginosa to common anti-Gram-negative antibiotics were measured...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28439137/compatibility-of-ceftazidime-avibactam-ceftolozane-tazobactam-and-piperacillin-tazobactam-with-vancomycin-in-dextrose-5-in-water
#19
Kevin Meyer, Maressa Santarossa, Larry H Danziger, Eric Wenzler
Objectives: The compatibility of vancomycin with existing and novel β-lactam/β-lactamase inhibitors at clinically relevant concentrations in 5% dextrose in water has not been fully explored to date. Methods: Vancomycin concentrations tested ranged from 5 to 20 mg/mL. Ceftazidime-avibactam was tested at 8, 20, and 40 mg/mL, ceftolozane-tazobactam at 15 mg/mL, and piperacillin-tazobactam at 28 mg/mL. Compatibility of drug admixtures were tested via both simulated and actual y-site infusion. For the simulated y-site compatibility assessment, 1:1 mixtures of each respective drug were analyzed over 24 hours...
March 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28429128/endophthalmitis-associated-with-purpureocillium-lilacinum-during-infliximab-treatment-for-surgically-induced-necrotizing-scleritis-successfully-treated-with-27-gauge-vitrectomy
#20
Masaaki Yoshida, Shunji Yokokura, Hiroshi Kunikata, Naoko Takada, Kazuichi Maruyama, Masahiro Toyokawa, Kazushi Kashio, Mitsuo Kaku, Toru Nakazawa
PURPOSE: To report a case of endophthalmitis associated with Purpureocillium lilacinum (P. lilacinum) during infliximab treatment for surgically induced necrotizing scleritis, successfully treated with 27-gauge vitrectomy. METHODS: A single case report. RESULTS: A 71-year-old man who had undergone immunosuppressive therapy, including infliximab, for surgically induced necrotizing scleritis (SINS) in his left eye complained of visual disturbance and eye pain in the eye...
April 20, 2017: International Ophthalmology
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