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https://www.readbyqxmd.com/read/28096977/high-rates-of-multidrug-resistance-among-uropathogenic-escherichia-coli-in-children-and-analyses-of-esbl-producers-from-nepal
#1
Narayan Prasad Parajuli, Pooja Maharjan, Hridaya Parajuli, Govardhan Joshi, Deliya Paudel, Sujan Sayami, Puspa Raj Khanal
BACKGROUND: Emergence of Extended-spectrum beta-lactamase producing Escherichia coli causing urinary tract infections (UTI) among pediatric patients is an increasing problem worldwide. However, very little is known about pediatric urinary tract infections and antimicrobial resistance trend from Nepal. This study was conducted to assess the current antibiotic resistance rate and ESBL production among uropathogenic Escherichia coli in pediatric patients of a tertiary care teaching hospital of Nepal...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28095119/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-strains-is-associated-with-worse-outcome-in-patients-hospitalized-in-the-pediatric-oncology-unit-of-beni-messous-hospital-in-algiers-algeria
#2
Chafiaa Medboua-Benbalagh, Abdelaziz Touati, Rachida Kermas, Alima Gharout-Sait, Lucien Brasme, Halima Mezhoud, Djamila Touati, Thomas Guillard, Christophe de Champs
OBJECTIVES: The current study aimed to investigate extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) fecal carriage in children with different cancers admitted in the pediatric oncology unit of Beni-Messous Hospital (Algiers, Algeria). MATERIALS AND METHODS: Rectal swabs from children with cancer were sampled from February 2012 to May 2013 within 48 hours following their admission. After species identification and detection of ESBL production by double-disk synergy test (DD test), antibiotic susceptibility was determined by the standard disk diffusion method...
January 17, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28093532/soil-ingestion-is-associated-with-child-diarrhea-in-an-urban-slum-of-nairobi-kenya
#3
Valerie Bauza, R M Ocharo, Thanh H Nguyen, Jeremy S Guest
Diarrhea is a leading cause of mortality in children under 5 years of age. We conducted a cross-sectional study of 54 children aged 3 months to 5 years old in Kibera, an urban slum in Nairobi, Kenya, to assess the relationship between caregiver-reported soil ingestion and child diarrhea. Diarrhea was significantly associated with soil ingestion (adjusted odds ratio = 9.9, 95% confidence interval = 2.1-47.5). Soil samples from locations near each household were also collected and analyzed for Escherichia coli and a human-associated Bacteroides fecal marker (HF183)...
January 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28076655/fecal-total-iron-concentration-is-inversely-associated-with-fecal-lactobacillus-in-preschool-children
#4
Sasank Kalipatnapu, Sivaraman Kuppuswamy, Giriprasad Venugopal, Venkatesh Kaliaperumal, Balamurugan Ramadass
BACKGROUND: Iron deficiency is associated with stunting and poor performance in children. Oral iron supplementation is widely promoted to correct iron deficiency. However, excess iron may be toxic to beneficial luminal gut bacteria and could support growth of pathobionts. OBJECTIVE: To analyze the fecal total iron concentration and fecal Lactobacillus levels in a cohort of stunted and normal children. DESIGN: The study was undertaken in two different locations...
January 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28062285/a-review-on-strategies-for-decreasing-e-%C3%A2-coli-o157-h7-risk-in-animals
#5
REVIEW
Pardis Saeedi, Maryam Yazdanparast, Elham Behzadi, Ali Hatef Salmanian, Seyed Latif Mousavi, Shahram Nazarian, Jafar Amani
Enterohemorrhagic Escherichia coli (EHEC) serotype O157:H7 is a food-borne pathogen that younger children are most prone to this microorganism. Hemolytic Uremic Syndrome (HUS) caused by EHEC, leads to the destruction of red blood cells and kidney failure. The virulence of E.coli O157:H7 is attributed to fimbriae, that facilitate colonization of bacteria within the colon and verotoxins (VT) or Shiga toxins (Stx) that are released into the blood. Although, in most cases, the infection is self-limitedin young children and aged population, it may cause HUS...
January 3, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28057514/systemic-effects-of-subtilase-cytotoxin-produced-by-escherichia-coli-o113-h21
#6
E Abril Seyahian, Gisela Oltra, Federico Ochoa, Santiago Melendi, Ricardo Hermes, James C Paton, Adrienne W Paton, Nestor Lago, Mauricio Castro Parodi, Alicia Damiano, Cristina Ibarra, Elsa Zotta
: Subtilase cytotoxin (SubAB) is a member of the AB5 cytotoxin family and is produced by certain strains of Shiga toxigenic Escherichia coli. The toxin is known to be lethal to mice, but the pathological mechanisms that contribute to Uremic Hemolytic Syndrome (HUS) are poorly understood. In this study we show that intraperitoneal injection of a sublethal dose of SubAB in rats triggers a systemic response, with ascitic fluid accumulation, heart hypertrophy and damage to the liver, colon and kidney...
January 3, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28043633/development-of-escherichia-coli-and-mycobacterium-smegmatis-recombinants-expressing-major-mycobacterium-tuberculosis-specific-antigenic-proteins
#7
Hanady A Amoudy, Hussain A Safar, Abu S Mustafa
OBJECTIVE/BACKGROUND: Mycobacterium tuberculosis is an obligate pathogenic bacterial species in the family Mycobacteriaceae and the causative agent of most tuberculosis (TB) cases. Until today, the only approved TB vaccine is Bacille Calmette Guerin (BCG), which has been used since 1921. While BCG provides fairly effective protection for infants and young children, its efficacy in adults is variable around the world. This could be due to several parameters including strains of the vaccine and exposure of individuals to different environmental bacterial infections...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28039159/gut-microbiota-differs-between-children-with-inflammatory-bowel-disease-and-healthy-siblings-in-taxonomic-and-functional-composition-a-metagenomic-analysis
#8
Rebecca Luise Knoll, Kristoffer Forslund, Jens Roat Kultima, Claudius U Meyer, Ulrike Kullmer, Shinichi Sunagawa, Peer Bork, Stephan Gehring
Current treatment for pediatric IBD patients is often ineffective, with serious side effects. Manipulating the gut microbiota via fecal microbiota transplantation (FMT) is an emerging treatment approach but remains controversial. We aimed to assess the composition of the fecal microbiome through a comparison of pediatric IBD patients to their healthy siblings, evaluating risks and prospects for FMT in this setting. A Case-Control (Sibling) Study was conducted analyzing fecal samples of six children with Crohn's Disease (CD), six children with Ulcerative Colitis (UC) and 12 healthy siblings by metagenomic sequencing...
December 30, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28034476/defining-cases-of-severe-pediatric-diarrhea-for-an-efficacy-trial-of-an-enterotoxigenic-escherichia-coli-etec-vaccine-report-on-an-international-workshop-washington-dc-march-2016
#9
Thomas F Wierzba, Alexandra Bourgis
Enterotoxigenic Escherichia coli (ETEC) causes severe acute watery diarrhea. No ETEC vaccine is available but candidates are in development, including ETVAX, an oral, whole-cell inactivated vaccine. ETVAX is being tested in a descending-age trial in Bangladesh. If found safe and immunogenic, investigators may test it for efficacy in children. Like oral rotavirus vaccines, we expect that ETVAX will be most effective at decreasing the incidence of moderate-to-severe ETEC episodes. Thus, for an efficacy trial outcome, it will be necessary to triage patients into moderate-to-severe versus mild disease...
December 26, 2016: Vaccine
https://www.readbyqxmd.com/read/28025699/surveillance-of-gram-negative-bacteria-impact-of-variation-in-current-european-laboratory-reporting-practice-on-apparent-multidrug-resistance-prevalence-in-paediatric-bloodstream-isolates
#10
J A Bielicki, D A Cromwell, A Johnson, T Planche, M Sharland
This study evaluates whether estimated multidrug resistance (MDR) levels are dependent on the design of the surveillance system when using routine microbiological data. We used antimicrobial resistance data from the Antibiotic Resistance and Prescribing in European Children (ARPEC) project. The MDR status of bloodstream isolates of Escherichia coli, Klebsiella pneumoniae and Pseudomonas aeruginosa was defined using European Centre for Disease Prevention and Control (ECDC)-endorsed standardised algorithms (non-susceptible to at least one agent in three or more antibiotic classes)...
December 26, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28005691/clinical-and-bacterial-risk-factors-for-mortality-in-children-with-carbapenem-resistant-enterobacteriaceae-bloodstream-infections-in-india
#11
Laura E B Nabarro, Chaitra Shankar, Akila Prakasam, Georgekutty Mathew, Visali Jeyaseelan, Balaji Veeraraghavan, Valsan P Verghese
BACKGROUND: Carbapenem-resistant Enterobacteriaceae (CRE) are an increasing cause of nosocomial infection in hospitalized children worldwide. Few studies have investigated risk factors for mortality in children with CRE bloodstream infection (BSI). Data are particularly scarce in areas where NDM and OXA carbapenemases predominate. Here, we investigate mortality rates, clinical and microbiologic risk factors for mortality in 50 pediatric patients with CRBSI in India. METHOD: Children younger than 17 years old with meropenem-resistant Klebsiella pneumoniae or Escherichia coli isolated from blood culture in 2014 and 2015 were identified from laboratory records...
December 21, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27991739/paediatric-hus-cases-related-to-the-consumption-of-raw-milk-sold-by-vending-machines-in-italy-quantitative-risk-assessment-based-on-escherichia-coli-o157-official-controls-over-7%C3%A2-years
#12
F Giacometti, P Bonilauri, S Piva, G Scavia, S Amatiste, D M Bianchi, M N Losio, S Bilei, G Cascone, D Comin, P Daminelli, L Decastelli, G Merialdi, R Mioni, A Peli, A Petruzzelli, F Tonucci, G Liuzzo, A Serraino
A quantitative risk assessment (RA) was developed to estimate haemolytic-uremic syndrome (HUS) cases in paediatric population associated with the consumption of raw milk sold in vending machines in Italy. The historical national evolution of raw milk consumption phenomenon since 2008, when consumer interest started to grow, and after 7 years of marketing adjustment, is outlined. Exposure assessment was based on the official Shiga toxin-producing Escherichia coli O157:H7 (STEC) microbiological records of raw milk samples from vending machines monitored by the regional Veterinary Authorities from 2008 to 2014, microbial growth during storage, consumption frequency of raw milk, serving size, consumption preference and age of consumers...
December 19, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27981921/emerging-trends-of-bloodstream-infections-a-six-year-study-at-a-paediatric-tertiary-care-hospital-in-kabul
#13
Tariq Mahmud Tariq, Esmatullah Rasool
OBJECTIVE: To determine the frequency of pathogens causing bloodstream infections and evaluate their trends and antibiogram patterns among in-patients in a paediatric tertiary care centre. STUDY DESIGN: Descriptive study. PLACE AND DURATION OF STUDY: French Medical Institute for Mothers and Children (FMIC), Kabul, Afghanistan in two phases, from January 2010 to December 2015. METHODOLOGY: Results of blood cultures from suspected cases of sepsis admitted in the FMIC, from January 2010 to December 2012 (Period-1), and from January 2013 to December 2015 (Period-2) were completed...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27979437/-gentamicin-resistant-e-coli-as-a-cause-of-urinary-tract-infections-in-children
#14
Diana Salas-Mera, Talía Sainz, María Rosa Gómez-Gil Mira, Ana Méndez-Echevarría
No abstract text is available yet for this article.
December 12, 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27971737/cost-minimization-analysis-of-pegaspargase-and-native-e-coli-asparaginase-to-treat-children-and-adults-with-acute-lymphoblastic-leukemia-in-belgium
#15
C Delattre, C Lecureuil, U Staginnus, A Pramanik, S Robbins
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27965648/surveillance-of-diarrheagenic-escherichia-coli-strains-isolated-from-diarrhea-cases-from-children-adults-and-elderly-at-northwest-of-mexico
#16
Adrian Canizalez-Roman, Héctor M Flores-Villaseñor, Edgar Gonzalez-Nuñez, Jorge Velazquez-Roman, Jorge E Vidal, Secundino Muro-Amador, Gerardo Alapizco-Castro, J Alberto Díaz-Quiñonez, Nidia León-Sicairos
Diarrheagenic Escherichia coli (DEC) strains are a main cause of gastrointestinal disease in developing countries. In this study we report the epidemiologic surveillance in a 4-year period (January 2011 to December 2014) of DEC strains causing acute diarrhea throughout the Sinaloa State, Mexico. DEC strains were isolated from outpatients of all ages with acute diarrhea (N = 1,037). Specific DEC pathotypes were identified by PCR-amplification of genes encoding virulence factors. The adhesion phenotype and antibiotic resistance were also investigated...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27942243/prevalence-seasonal-variation-and-antibiotic-resistance-pattern-of-enteric-bacterial-pathogens-among-hospitalized-diarrheic-children-in-suburban-regions-of-central-kenya
#17
Mohammad Shah, Cyrus Kathiiko, Akihiro Wada, Erick Odoyo, Martin Bundi, Gabriel Miringu, Sora Guyo, Mohamed Karama, Yoshio Ichinose
BACKGROUND: The epidemiology of enteric pathogens has not been well studied in Kenya because of wide disparities in health status across the country. Therefore, the present study describes the prevalence of enteropathogenic bacteria, their seasonal variation, and antibiotic resistance profiles among hospitalized diarrheic children in a suburban region of central Kenya. METHODS: Fecal samples were collected between July 2009 and December 2013 from a total of 1410 children younger than 5 years, hospitalized with acute diarrhea in Kiambu County Hospital, Kenya...
2016: Tropical Medicine and Health
https://www.readbyqxmd.com/read/27941642/the-virulence-regulator-rns-activates-the-expression-of-cs14-pili
#18
Maria Del Rocio Bodero, George Patrick Munson
Although many viral and bacterial pathogens cause diarrhea, enterotoxigenic E. coli (ETEC) is one of the most frequently encountered in impoverished regions where it is estimated to kill between 300,000 and 700,000 children and infants annually. Critical ETEC virulence factors include pili which mediate the attachment of the pathogen to receptors in the intestinal lumen. In this study we show that the ETEC virulence regulator Rns positively regulates the expression of CS14 pili. Three Rns binding sites were identified upstream of the CS14 pilus promoter centered at -34...
December 8, 2016: Genes
https://www.readbyqxmd.com/read/27936860/detection-of-acra-acrb-aac-6-ib-cr-and-qepa-genes-among-clinical-isolates-of-escherichia-coli-and-klebsiella-pneumoniae
#19
Mohsen Heidary, Aghil Bahramian, Ali Hashemi, Mehdi Goudarzi, Vahid Fallah Omrani, Gita Eslami, Hossein Goudarzi
BACKGROUND: The distribution of drug resistance among clinical isolates of Escherichia coli and Klebsiella pneumoniae has limited the therapeutic options. The aim of this study was to report the prevalence of quinolone resistance genes among E. coli and K. pneumoniae clinical strains isolated from three educational hospitals of Tehran, Iran. MATERIALS AND METHODS: A total of 100 strains of E. coli from Labbafinejad and Taleghani Hospitals and 100 strains of K. pneumoniae from Mofid Children and Taleghani Hospitals were collected between January 2013 and May 2014...
December 12, 2016: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/27924435/antibiotic-resistance-is-linked-to-carriage-of-papc-and-iuta-virulence-genes-and-phylogenetic-group-d-background-in-commensal-and-uropathogenic-escherichia-coli-from-infants-and-young-children
#20
N Karami, A E Wold, I Adlerberth
P fimbriae, enabling adherence to colonic and urinary epithelium, and aerobactin, an iron sequestering system, are both colonization factors in the human colon and virulence factors for urinary tract infection. The colonic microbiota is suggested to be a site suitable for the transfer of antibiotic resistance genes. We investigated whether phenotypic resistance to antibiotics in commensal and uropathogenic Escherichia coli from infants and young children is associated with carriage of virulence genes and to phylogenetic group origin and, in the case of fecal strains, to persistence in the gut and fecal population levels...
December 6, 2016: European Journal of Clinical Microbiology & Infectious Diseases
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