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https://www.readbyqxmd.com/read/28527760/restoration-of-cefixime-induced-gut-microbiota-changes-by-lactobacillus-cocktails-and-fructooligosaccharides-in-a-mouse-model
#1
Ying Shi, Qixiao Zhai, Dongyao Li, Bingyong Mao, Xiaoming Liu, Jianxin Zhao, Hao Zhang, Wei Chen
Probiotics have been used to rebuild the antibiotic-induced dysfunction in gut microbiota, but whether the different strains of probiotics result in similar or reverse effects remains unclear. In this study, the different recovery effects of two cocktails (each contains four strains) of Lactobacillus and fructooligosaccharide against cefixime-induced change of gut microbiota were evaluated in C57BL/6J mice. The results show that the use of cefixime caused a reduction in the diversities of the microbial community and led to significantly decreasing to one preponderant Firmicutes phylum, which was difficult to restore naturally in the short term...
July 2017: Microbiological Research
https://www.readbyqxmd.com/read/28505331/antimicrobial-susceptibility-of-clinical-isolates-of-neisseria-gonorrhoeae-to-alternative-antimicrobials-with-therapeutic-potential
#2
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/28499284/emergence-and-spread-of-neisseria-gonorrhoeae-isolates-with-decreased-susceptibility-to-extended-spectrum-cephalosporins-in-argentina-2009-to-2013
#3
Ricardo Gianecini, Maria de Las Mercedes Romero, Claudia Oviedo, Martin Vacchino, Patricia Galarza
BACKGROUND: The emergence of Neisseria gonorrhoeae strains with decreased susceptibility to cephalosporins represents a major concern globally. The aim of this study was to examine the phenotypic and molecular characteristics of N. gonorrhoeae isolates with decreased susceptibility to ceftriaxone and cefixime in Argentina. METHODS: A total of 1987 isolates were collected during 2009 and 2013. The susceptibility to penicillin G, tetracycline, ciprofloxacin, cefixime, ceftriaxone, and azithromycin was determined using the agar dilution method...
June 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28476914/antimicrobial-susceptibility-in-neisseria-gonorrhoeae-isolates-from-five-sentinel-surveillance-sites-in-zimbabwe-2015-2016
#4
Ahmed S Latif, Lovemore Gwanzura, Anna Machiha, Francis Ndowa, Andrew Tarupiwa, Muchaneta Gudza-Mugabe, Fungai D Shukusho, Christine Chakanyuka Musanhu, Teodora Wi, Magnus Unemo
OBJECTIVES: Gonorrhoea and antimicrobial resistance (AMR) in Neisseria gonorrhoeae are major public health concerns worldwide. Enhanced AMR surveillance for gonococci is essential globally. In Zimbabwe, very limited gonococcal AMR data were reported. Our aims were to (i) implement quality-assured gonococcal AMR surveillance in Zimbabwe and (ii) investigate gonococcal AMR at five health centres in 2015-2016. METHODS: Gonococcal isolates from 104 men with urethral discharge were tested for susceptibility to kanamycin, ceftriaxone, cefixime, ciprofloxacin and azithromycin using Etest...
May 5, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28468648/expedited-partner-therapy-ept-increases-the-frequency-of-partner-notification-among-msm-in-lima-peru-a-pilot-randomized-controlled-trial
#5
Jesse L Clark, Eddy R Segura, Catherine E Oldenburg, Jessica Rios, Silvia M Montano, Amaya Perez-Brumer, Manuel Villaran, Jorge Sanchez, Thomas J Coates, Javier R Lama
BACKGROUND: Expedited Partner Therapy (EPT) has been shown to improve treatment outcomes among heterosexual partners of individuals with curable sexually transmitted infections (STIs). Although the use of EPT with men who have sex with men (MSM) has been debated, due to the potential for missed opportunities to diagnose unidentified cases of HIV and syphilis infection in symptomatic partners, increases in partner notification (PN) resulting from use of EPT may promote testing and treatment of otherwise unidentified partners...
May 4, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28449653/a-case-report-of-parapneumonic-pleural-effusion-caused-by-streptococcus-pneumoniae-serotype-19a-in-a-child-immunized-with-13-valent-conjugate-pneumococcal-vaccine
#6
Idrissa Diawara, Khalid Zerouali, Naima Elmdaghri, Abderrahman Abid
BACKGROUND: Simple parapneumonic effusion is a pleural effusion associated with lung infection (i.e., pneumonia). Streptococcus pneumoniae remains the most common pathogen causing parapneumonic effusions. In Morocco, the pneumococcal conjugate vaccine 13-valent (PCV13) was introduced in the national immunization program in October 2010 in 2 + 1 schedule for prevention of pneumococcal disease, and replaced by the PCV10 in July 2012 in the same schedule. We report a case of parapneumonic pleural effusions caused by S...
April 27, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28443576/changes-in-bacterial-resistance-patterns-of-pediatric-urinary-tract-infections-in-%C3%A4-stanbul-and-rationale-for-empirical-antibiotic-therapy
#7
İbrahim Gökçe, Neslihan Çiçek, Serçin Güven, Ülger Altuntaş, Neşe Bıyıklı, Nurdan Yıldız, Harika Alpay
BACKGROUND: The causative agent spectrum and resistance patterns of urinary tract infection (UTI) in children are affected by many factors. AIMS: The aim of this study was to demonstrate the antibiotic resistance in UTI and changing ratio in antibiotic resistance by years. STUDY DESIGN: Retrospective cross-sectional study. METHODS: We analyzed antibiotic resistance patterns of isolated gram (-) bacteria during years 2011-2014 (study period 2) in children with UTI...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28439298/multi-drug-resistant-pathogenic-bacteria-in-the-gut-of-young-children-in-bangladesh
#8
Shirajum Monira, Syeda Antara Shabnam, Sk Imran Ali, Abdus Sadique, Fatema-Tuz Johura, Kazi Zillur Rahman, Nur Haque Alam, Haruo Watanabe, Munirul Alam
BACKGROUND: The gut of human harbors diverse commensal microbiota performing an array of beneficial role for the hosts. In the present study, the major commensal gut bacteria isolated by culturing methods from 15 children of moderate income families, aged between 10 and 24 months, were studied for their response to different antibiotics, and the molecular basis of drug resistance. RESULTS: Of 122 bacterial colonies primarily selected from Luria-Bertani agar, bacterial genera confirmed by analytical profile index (API) 20E(®) system included Escherichia as the predominant (52%) organism, followed by Enterobacter (16%), Pseudomonas (12%), Klebsiella (6%), Pantoea (6%), Vibrio (3%), and Citrobacter (3%); while Aeromonas and Raoultella were identified as the infrequently occurring genera...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28431096/a-new-rapid-resazurin-based-microdilution-assay-for-antimicrobial-susceptibility-testing-of-neisseria-gonorrhoeae
#9
Sunniva Foerster, Valentino Desilvestro, Lucy J Hathaway, Christian L Althaus, Magnus Unemo
Objectives: Rapid, cost-effective and objective methods for antimicrobial susceptibility testing of Neisseria gonorrhoeae would greatly enhance surveillance of antimicrobial resistance. Etest, disc diffusion and agar dilution methods are subjective, mostly laborious for large-scale testing and take ∼24 h. We aimed to develop a rapid broth microdilution assay using resazurin (blue), which is converted into resorufin (pink fluorescence) in the presence of viable bacteria. Methods: The resazurin-based broth microdilution assay was established using 132 N...
April 19, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28402182/analysis-of-point-mutations-in-the-pbp2x-pbp2b-and-pbp1a-genes-of-streptococcus-agalactiae-and-their-relation-with-a-reduced-susceptibility-to-cephalosporins
#10
Giorgio Piccinelli, Giuseppe Carlentini, Franco Gargiulo, Arnaldo Caruso, Maria Antonia De Francesco
The emergence of group B Streptococcus (GBS) isolates with reduced penicillin susceptibility (PRGBS) and their tendency to be nonsusceptible to fluoroquinolones prompted us to analyze the possible presence of amino acid mutations in penicillin-binding proteins (PBPs) (PBP2X, PBP1A, and PBP2B) from a collection of fluoroquinolone-resistant GBS isolates. We analyzed 21 GBS isolates resistant to levofloxacin. Sequence analysis of genes for PBPs was performed. The minimal inhibitory concentrations (MICs) for penicillin, ceftibuten, cefaclor, cefixime, cefotaxime, and ceftizoxime were performed by the Etest method and by broth microdilution method...
April 12, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28384863/comparative-evaluation-of-fosfomycin-activity-with-other-antimicrobial-agents-against-e-coli-isolates-from-urinary-tract-infections
#11
Ahmed Sardar, Sreekanth Reddy Basireddy, Anwar Navaz, Manisha Singh, Vasanti Kabra
INTRODUCTION: Fosfomycin is a broad spectrum anti-microbial agent with activity against various bacterial agents. It is a bactericidal antibiotic which interferes with cell wall synthesis. Fosfomycin is rapidly absorbed orally and majority of the drug is excreted unchanged in urine with very high concentration levels achieved in urine after a single oral dose. Urine levels remain high for prolonged period which makes it a suitable drug in the treatment of Urinary Tract Infections (UTI)...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28368342/strategy-for-accurate-detection-of-escherichia-coli-o157-h7-in-ground-pork-using-a-lateral-flow-immunoassay
#12
Song Cheng, Ming-Hui Chen, Gang-Gang Zhang, Zhi-Biao Yu, Dao-Feng Liu, Yong-Hua Xiong, Hua Wei, Wei-Hua Lai
Escherichia coli O157:H7 is known to cause serious diseases including hemorrhagic colitis and hemolytic uremic syndrome. A gold nanoparticle lateral flow immunoassay (Au-LFIA) was used to detect Escherichia coli O157:H7 in ground pork samples. False-positive results were detected using Au-LFIA; a Citrobacterfreundii strain was isolated from the ground pork samples and identified by using CHROmagar(TM) plates, API 20E, and 16S RNA sequencing. Since C.freundii showed cross-reactivity with E. coli O157:H7 when Au-LFIA test strips were used, a novel method combining modified enrichment with a lateral flow immunoassay for accurate and convenient detection of E...
April 2, 2017: Sensors
https://www.readbyqxmd.com/read/28333355/wgs-to-predict-antibiotic-mics-for-neisseria-gonorrhoeae
#13
David W Eyre, Dilrini De Silva, Kevin Cole, Joanna Peters, Michelle J Cole, Yonatan H Grad, Walter Demczuk, Irene Martin, Michael R Mulvey, Derrick W Crook, A Sarah Walker, Tim E A Peto, John Paul
Background: Tracking the spread of antimicrobial-resistant Neisseria gonorrhoeae is a major priority for national surveillance programmes. Objectives: We investigate whether WGS and simultaneous analysis of multiple resistance determinants can be used to predict antimicrobial susceptibilities to the level of MICs in N. gonorrhoeae. Methods: WGS was used to identify previously reported potential resistance determinants in 681 N. gonorrhoeae isolates, from England, the USA and Canada, with phenotypes for cefixime, penicillin, azithromycin, ciprofloxacin and tetracycline determined as part of national surveillance programmes...
March 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28329181/treatment-response-in-enteric-fever-in-an-era-of-increasing-antimicrobial-resistance-an-individual-patient-data-analysis-of-2092-participants-enrolled-into-4-randomized-controlled-trials-in-nepal
#14
Corinne N Thompson, Abhilasha Karkey, Sabina Dongol, Amit Arjyal, Marcel Wolbers, Thomas Darton, Jeremy J Farrar, Guy E Thwaites, Christiane Dolecek, Buddha Basnyat, Stephen Baker
Background.: Enteric fever, caused by Salmonella Typhi and Salmonella Paratyphi A, is the leading cause of bacterial febrile disease in South Asia. Methods.: Individual data from 2092 patients with enteric fever randomized into 4 trials in Kathmandu, Nepal, were pooled. All trials compared gatifloxacin with 1 of the following comparator drugs: cefixime, chloramphenicol, ofloxacin, or ceftriaxone. Treatment outcomes were evaluated according to antimicrobial if S...
June 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28316592/influence-of-stress-factors-related-to-cheese-making-process-and-to-stec-detection-procedure-on-the-induction-of-stx-phages-from-stec-o26-h11
#15
Ludivine Bonanno, Benjamin Delubac, Valérie Michel, Frédéric Auvray
Shiga toxin-producing Escherichia coli (STEC) are responsible for human infections, ranging from mild watery diarrhea to hemorrhagic colitis (CH) that may be complicated by hemolytic uremic syndrome (HUS). The main STEC virulence factor is Shiga toxin encoded by the stx gene, located in the genome of a bacteriophage integrated into the bacterial chromosome. The serotype O26:H11 is the second HUS-causing serotype worldwide (after O157:H7), and the first found in dairy products such as raw-milk cheeses. A small number of HUS cases identified each year in France are caused by serotype O26:H11...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28303985/pattern-of-antimicrobial-drug-resistance-of-salmonella-typhi-and-paratyphi-a-in-a-teaching-hospital-in-islamabad
#16
Azmat Ali, Hafiz Awais Ali, Fazal Hussain Shah, Arslan Zahid, Hina Aslam, Benazir Javed
OBJECTIVE: To see the pattern of antimicrobial drug resistance among Salmonella serovars. METHODS: This longitudinal, observational study was conducted at Khan Research Laboratories Hospital, Islamabad, Pakistan, from May 2012 to December 2014. All patients presenting with typhoid fever with positive blood culture were included. Age, gender, salmonella serovar and sensitivity to 9 antimicrobial drugs were taken into account. The tested antimicrobial drugs were ampicillin, trimethoprim/sulphamethoxazole, chloramphenicol, nalidixic acid, ciprofloxacin, ofloxacin, levofloxacin, ceftriaxone and cefixime...
March 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28294072/cefixime-induced-oromandibular-dystonia-in-an-adult-a-case-report
#17
Lisa Mondet, Fanny Radoubé, Valérie Gras, Kamel Masmoudi
INTRODUCTION: Cefixime, a third-generation cephalosporin, is commonly used in different infections. Tolerance is pretty good even if some side effects can be frequent like digestive disorders. Other effects, not mentioned in the Summary of Product Characteristics, can occur. METHODS: We report a case of recurrent, acute oromandibular dystonia in a cefixime-treated adult. CASE-REPORT: After the third dose of cefixime, prescribed for a bronchial infection, a patient experienced a first episode of oromandibular dystonia...
March 9, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28282644/antimicrobial-susceptibility-evaluation-and-multiple-locus-variable-number-tandem-repeat-analysis-of-neisseria-gonorrhoeae-isolates-in-china-in-2012
#18
Rui-Xing Yu, Yueping Yin, Xiu-Qin Dai, Shao-Chun Chen, Yan Han, Bing-Jie Zheng, Guo-Yi Zhang, Xiang-Sheng Chen
OBJECTIVE: This study aimed to gain information on the antimicrobial susceptibility and molecular epidemiological typing of Neisseria gonorrhoeae (NG) isolates in China in 2012. METHODS: A total of 244 NG isolates were consecutively recovered from patients with uncomplicated gonorrhea attending sexually transmitted disease clinics in 3 Chinese cities-Guangzhou, Nanjing, and Tianjin-in 2012. Neisseria gonorrhoeae susceptibilities to penicillin and tetracycline were examined by detecting penicillinase-producing NG (PPNG) and high-level tetracycline-resistant NG, and NG susceptibilities to ciprofloxacin, spectinomycin, ceftriaxone, and cefixime were determined using an agar dilution method...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28260752/antibiotic-resistance-new-challenge-in-the-management-of-bacterial-eye-infections
#19
A K Talukder, Z Sultana, I Jahan, M Khanam, M Rahman, M F Rahman, M B Rahman
Ophthalmologists are still facing difficulties in managing bacterial eye infections. The study was designed for the isolation and identification of bacteria from infected eyes and observation of the sensitivity and resistant pattern. This cross sectional study was performed among 160 patients of suspected bacterial eye infection at Dr. K. Zaman BNSB Eye Hospital, Mymensingh and Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh from March, 2010 to June, 2014. After collection of the samples from suspected infected eyes, it was nourished into nutrient broth in shaking incubator for three hours and then cultured into nutrient agar media followed by Mannitol salt agar, MacConkey's agar and blood agar...
January 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28210887/drug-resistant-neisseria-gonorrhoeae-latest-developments
#20
REVIEW
B Suay-García, M T Pérez-Gracia
Gonorrhea is the second most frequently reported notifiable disease in the United States and is becoming increasingly common in Europe. The purpose of this review was to assess the current state of drug-resistant Neisseria gonorrhoeae in order to evaluate future prospects for its treatment. An exhaustive literature search was conducted to include the latest research regarding drug resistance and treatment guidelines for gonorrhea. Gonococci have acquired all known resistance mechanisms to all antimicrobials used for treatment...
February 16, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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