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https://www.readbyqxmd.com/read/29141754/effectiveness-of-the-hydrogen-sulfide-test-as-a-water-quality-indicator-for-diarrhea-risk-in-rural-bangladesh
#1
Mahfuza Islam, Ayse Ercumen, Abu Mohd Naser, Leanne Unicomb, Mahbubur Rahman, Benjamin F Arnold, John M Colford, Stephen P Luby
Microbiological water quality is usually assessed by the identification of Escherichia coli (E. coli), a fecal indicator. The hydrogen sulfide (H2S) test is an inexpensive, easy-to-use, and portable alternative field-based water quality test. Our study evaluated the H2S test's effectiveness as a water quality indicator for diarrhea risk. Field workers collected stored drinking water samples for H2S analysis and detection of E. coli by membrane filtration and measured caregiver-reported diarrhea among children < 5 years in the same households 1 month later...
October 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141752/differences-in-nutritional-and-health-status-in-school-children-from-the-highlands-and-lowlands-of-bolivia
#2
Graciela Terán, Washington Cuna, Froilán Brañez, Kristina E M Persson, Martín E Rottenberg, Susanne Nylén, Celeste Rodriguez
Children in the Bolivian Andes are exposed to endemic infections and meager nourishment, and live under poor hygienic conditions. The prevention of children malnutrition is a priority in many countries including Bolivia. In this study, the health status of schoolchildren in Taraco, a Puna district, at 4,000 meters above sea level (masl) and in Caranavi, at 650 masl in the wealthier subtropical valleys, was compared. The weight, height, and hematological and biochemical parameters in blood, parasites in stool, and clinical information in 120 children from rural Taraco and in 96 from semi-urban Caranavi, both predominantly of Aymara ethnicity, were registered...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29140236/impact-of-childhood-nutritional-status-on-pathogen-prevalence-and-severity-of-acute-diarrhea
#3
Kirkby D Tickell, Patricia B Pavlinac, Grace C John-Stewart, Donna M Denno, Barbra A Richardson, Jaqueline M Naulikha, Ronald K Kirera, Brett E Swierczewski, Benson O Singa, Judd L Walson
Children with acute and chronic malnutrition are at increased risk of morbidity and mortality following a diarrheal episode. To compare diarrheal disease severity and pathogen prevalence among children with and without acute and chronic malnutrition, we conducted a cross-sectional study of human immunodeficiency virus-uninfected Kenyan children aged 6-59 months, who presented with acute diarrhea. Children underwent clinical and anthropometric assessments and provided stool for bacterial and protozoal pathogen detection...
November 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138582/once-daily-intramuscular-amikacin-for-outpatient-treatment-of-lower-urinary-tract-infections-caused-by-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-in-children
#4
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
https://www.readbyqxmd.com/read/29121442/enteric-infections-in-young-children-are-associated-with-environmental-enteropathy-and-impaired-growth
#5
Christine Marie George, Vanessa Burrowes, Jamie Perin, Lauren Oldja, Shwapon Biswas, David Sack, Shahnawaz Ahmed, Rashidul Haque, Nurul Amin Bhuiyan, Tahmina Parvin, Sazzadul Islam Bhuyian, Mahmuda Akter, Shan Li, Gayathri Natarajan, Mohammad Shahnaij, Abu G Faruque, O Colin Stine
OBJECTIVE: To investigate the relationship between fecal contamination in child play spaces, enteric infections, environmental enteropathy (EE), and impaired growth among young children. METHODS: Prospective cohort study of 203 children 6-30 months of age in rural Bangladesh. Stool samples were analyzed by quantitative PCR for Shigella, Enterotoxigenic Escherichia coli (ETEC), Campylobacter jejuni, Giardia spp, and Cryptosporidium spp. Four fecal markers of intestinal inflammation were also measured: alpha-1-antitrypsin, myeloperoxidase, neopterin, and calprotectin...
November 9, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29120484/elisa-for-molluscum-contagiosum-virus
#6
Subuhi Sherwani, Mohammed Chowdhury, Joachim J Bugert
Molluscum contagiosum virus (MCV) is a common skin pathogen of children and young adults. Infection with MCV causes benign skin tumors in children and young adults and is mostly self-limiting. In contrast to orthopoxviruses, MCV infections tend to take a subacute clinical course but may persist for up to 12 months. Current numbers for MCV seroprevalence in different geographical areas are based on a variety of historical serological methods from complement fixation assays to MCV ELISAs based on purified MCV virions and MC133 antigen expressed in a Semliki Forest Virus expression system...
November 9, 2017: Current Protocols in Microbiology
https://www.readbyqxmd.com/read/29118939/escherichia-coli-pathotypes-and-shigella-sero-groups-in-diarrheic-children-in-nairobi-city-kenya
#7
Peter Lokamar Nyanga, Jackson Onyuka, Mark Kilongosi Webale, Tom Were, Valentine Budambula
Aim: In the present study, we investigated the prevalence of E. coli pathotypes and Shigella sero-groups and their antimicrobial profiles among diarrheic children in Nairobi city, Kenya. Background: Although diarrheagenic E. coli pathotypes and Shigella sero-groups are leading causes of diarrhea in children under five years in developing countries, their distribution and antimicrobial resistance vary from place to place and over time in a given region. Methods: In a cross-sectional study, we enrolled diarrheic children (n=354) under five years seeking treatment at Mbagathi Hospital, Nairobi city, Kenya,...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/29114400/an-untypeable-enterotoxigenic-escherichia-coli-represents-one-of-the-dominant-types-causing-human-disease
#8
Atsushi Iguchi, Astrid von Mentzer, Taisei Kikuchi, Nicholas R Thomson
Enterotoxigenic Escherichia coli (ETEC) is a major cause of diarrhoea in children below 5 years of age in endemic areas, and is a primary cause of diarrhoea in travellers visiting developing countries. Epidemiological analysis of E. coli pathovars is traditionally carried out based on the results of serotyping. However, genomic analysis of a global ETEC collection of 362 isolates taken from patients revealed nine novel O-antigen biosynthesis gene clusters that were previously unrecognized, and have collectively been called unclassified...
September 2017: Microbial Genomics
https://www.readbyqxmd.com/read/29112974/impact-of-extensive-antibiotic-treatment-on-faecal-carriage-of-antibiotic-resistant-enterobacteria-in-children-in-a-low-resistance-prevalence-setting
#9
Per Kristian Knudsen, Petter Brandtzaeg, E Arne Høiby, Jon Bohlin, Ørjan Samuelsen, Martin Steinbakk, Tore G Abrahamsen, Fredrik Müller, Karianne Wiger Gammelsrud
We prospectively studied the consequences of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in a cohort of children with cystic fibrosis (CF) and a cohort of children with cancer compared to healthy children with no or low antibiotic exposure. The study was conducted in Norway in a low resistance prevalence setting. Sixty longitudinally collected faecal samples from children with CF (n = 32), 88 samples from children with cancer (n = 45) and 127 samples from healthy children (n = 70) were examined...
2017: PloS One
https://www.readbyqxmd.com/read/29111613/management-of-shiga-toxin-producing-escherichia-coli-infected-children-a-multi-national-multi-specialty-survey
#10
Stephen B Freedman, Silviu Grisaru, Jianling Xie, Susan Samuel, Andrew Dixon, Amy C Plint, David Schnadower
AIM: Research has highlighted the potential role that hydration status may play in predicting outcomes in Shiga toxin-producing Escherichia coli (STEC)-infected children. Because little is known about the management of STEC-infected children in the pre-haemolytic uremic syndrome phase, we compared paediatric emergency medicine and nephrologist-stated management approaches to STEC-infected children. METHODS: Members of the Pediatric Emergency Research Canada (PERC; n = 228), the Pediatric Emergency Medicine Collaborative Research Committee (PEM CRC; n = 221) and the Canadian Association of Pediatric Nephrologists (CAPN; n = 66) were surveyed...
November 7, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29110874/diarrheagenic-escherichia-coli-infections-among-the-children-of-andaman-islands-with-special-reference-to-pathotype-distribution-and-clinical-profile
#11
P Ramya Raghavan, Subarna Roy, Ramanathan Thamizhmani, Attayur Purushothaman Sugunan
Diarrhoeagenic E. coli (DEC) is one of the most common causes of diarrhoeal death in children less than five years globally. It is responsible for 30%-40% of all diarrhoeal episodes in developing countries. It is estimated that 0.12million children died of diarrhoea caused by DEC in 2011 globally. There is no baseline data on the occurrence of DEC diarrhoea in Andaman Islands, the remote islands of India. The study is particularly important as these strains are the emerging enteric pathogen in both developed and developing countries...
December 2017: Journal of Epidemiology and Global Health
https://www.readbyqxmd.com/read/29106325/diarrheagenic-escherichia-coli-and-shigella-with-high-rate-of-extended-spectrum-beta-lactamase-production-two-predominant-etiological-agents-of-acute-diarrhea-in-shiraz-iran
#12
Maneli Aminshahidi, Amir Arastehfar, Gholamreza Pouladfar, Esmayil Arman, Fereshteh Fani
This study was conducted to find the etiology of acute diarrhea in Iranian children and determine the antimicrobial resistance patterns. The pathogenic bacteria were recovered from 110/269 (40.9%) diarrheal fecal samples with the following profiles: the most predominant pathogen was diarrheagenic Escherichia coli (DEC) (43.6%), comprising enteroaggregative E. coli (23.6%), enteropathogenic E. coli (10.9%), enteroinvasive E. coli (5.5%), and enterotoxigenic E. coli (3.6%); Shigella spp. (37.3%), Salmonella spp...
November 6, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29103266/high-frequency-of-enteric-protozoan-viral-and-bacterial-potential-pathogens-in-community-acquired-acute-diarrheal-episodes-evidence-based-on-results-of-luminex-gastrointestinal-pathogen-panel-assay
#13
Yousry A Hawash, Khadiga A Ismail, Mazen Almehmadi
Infectious diarrhea is endemic in most developing countries. We aimed to investigate the protozoan, viral, and bacterial causes of acute diarrhea in Taif, Saudi Arabia. A cross-sectional prospective 1-year study was conducted on 163 diarrheal patients of various ages. Stool samples were collected, 1 per patient, and tested for 3 protozoa, 3 viruses, and 9 bacteria with the Luminex Gastrointestinal Pathogen Panel. Overall, 53.4% (87/163) of samples were positives (20.8% protozoa, 19.6% viruses, 2.8% bacteria, and 9...
October 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29090524/outcome-of-pediatric-patients-with-acute-lymphoblastic-leukemia-lymphoblastic-lymphoma-with-hypersensitivity-to-pegaspargase-treated-with-pegylated-erwinia-asparaginase-pegcrisantaspase-a-report-from-the-children-s-oncology-group
#14
Rachel E Rau, ZoAnn Dreyer, Mi Rim Choi, Wei Liang, Roman Skowronski, Krishna P Allamneni, Meenakshi Devidas, Elizabeth A Raetz, Peter C Adamson, Susan M Blaney, Mignon L Loh, Stephen P Hunger
BACKGROUND: Erwinia asparaginase is a Food and Drug Administration approved agent for the treatment of acute lymphoblastic leukemia (ALL) for patients who develop hypersensitivity to Escherichia coli derived asparaginases. Erwinia asparaginase is efficacious, but has a short half-life, requiring six doses to replace one dose of the most commonly used first-line asparaginase, pegaspargase, a polyethylene glycol (PEG) conjugated E. coli asparaginase. Pegcristantaspase, a recombinant PEGylated Erwinia asparaginase with improved pharmacokinetics, was developed for patients with hypersensitivity to pegaspargase...
November 1, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29070552/effects-of-iron-fortification-and-supplementation-on-the-gut-microbiome-and-diarrhea-in-infants-and-children-a-review
#15
REVIEW
Daniela Paganini, Michael B Zimmermann
In infants and young children in Sub-Saharan Africa, iron-deficiency anemia (IDA) is common, and many complementary foods are low in bioavailable iron. In-home fortification of complementary foods using iron-containing micronutrient powders (MNPs) and oral iron supplementation are both effective strategies to increase iron intakes and reduce IDA at this age. However, these interventions produce large increases in colonic iron because the absorption of their high iron dose (≥12.5 mg) is typically <20%. We reviewed studies in infants and young children on the effects of iron supplements and iron fortification with MNPs on the gut microbiome and diarrhea...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29067059/phenotypic-characterization-of-extended-spectrum-beta-lactamase-producing-e-coli-from-healthy-individuals-patients-sewage-sludge-cattle-chickens-and-raw-meat
#16
Rabia Saleem, Hasan Ejaz, Aizza Zafar, Sonia Younas, Ahsan Waheed Rathore
OBJECTIVE: The present study aimed to determine the frequency and antimicrobial profile of ESBL-producing isolates of E. coli in different environments. METHODS: This cross-sectional study was conducted at The Children's Hospital and The Institute of Child Health, Lahore from July to December 2015. The faecal specimens from healthy individuals, patients, sewage sludge, cattle, chickens and raw meat (n = 122) were processed for microbiological analysis using MacConkey agar supplemented with cefotaxime...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29034111/molecular-characterization-of-diarrheagenic-escherichia-coli-in-children-less-than-5-years-of-age-with-diarrhea-in-ouagadougou-burkina-faso
#17
Ali Konaté, René Dembélé, Assèta Kagambèga, Issiaka Soulama, Wendpoulomdé A D Kaboré, Emmanuel Sampo, Haoua Cissé, Antoine Sanou, Samuel Serme, Soumanaba Zongo, Cheikna Zongo, Alio Mahamadou Fody, Nathalie K Guessennd, Alfred S Traoré, Amy Gassama-Sow, Nicolas Barro
Diarrheagenic Escherichia coli (DEC) is important bacteria of children's endemic and epidemic diarrhea worldwide. The aim of this study was to determine the prevalence of DEC isolated from stool samples collected from children with acute diarrhea living in Ouagadougou, Burkina Faso. From August 2013 to October 2015, stool samples were collected from 315 children under 5 years of age suffering from diarrhea in the "Centre Médical avec Antenne Chirurgicale (CMA)" Paul VI and the CMA of Schiphra. E. coli were isolated and identified by standard microbiological methods, and the 16-plex PCR method was used to further characterize them...
September 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/29034106/epidemiology-and-antibiotic-resistance-phenotypes-of-diarrheagenic-escherichia-coli-responsible-for-infantile-gastroenteritis-in-ouagadougou-burkina-faso
#18
Ali Konaté, René Dembélé, Nathalie K Guessennd, Fernique Konan Kouadio, Innocent Kouamé Kouadio, Mohamed Baguy Ouattara, Wendpoulomdé A D Kaboré, Assèta Kagambèga, Haoua Cissé, Hadiza Bawa Ibrahim, Touwendsida Serge Bagré, Alfred S Traoré, Nicolas Barro
The emergence and persistence of multidrug-resistant (MDR) diarrheagenic Escherichia coli (DEC) causing acute diarrhea is a major public health challenge in developing countries. The aim of this study was to evaluate the resistance phenotypes of DEC isolated from stool samples collected from children less than 5 years of age with acute diarrhea living in Ouagadougou/Burkina Faso. From August 2013 to October 2015, this study was carried out on 31 DEC strains of our study conducted in "Centre Médical avec Antenne Chirurgicale (CMA)" Paul VI and CMA of Schiphra...
September 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/29031283/multipathway-quantitative-assessment-of-exposure-to-fecal-contamination-for-young-children-in-low-income-urban-environments-in-accra-ghana-the-sanipath-analytical-approach
#19
COMPARATIVE STUDY
Yuke Wang, Christine L Moe, Clair Null, Suraja J Raj, Kelly K Baker, Katharine A Robb, Habib Yakubu, Joseph A Ampofo, Nii Wellington, Matthew C Freeman, George Armah, Heather E Reese, Dorothy Peprah, Peter F M Teunis
Lack of adequate sanitation results in fecal contamination of the environment and poses a risk of disease transmission via multiple exposure pathways. To better understand how eight different sources contribute to overall exposure to fecal contamination, we quantified exposure through multiple pathways for children under 5 years old in four high-density, low-income, urban neighborhoods in Accra, Ghana. We collected more than 500 hours of structured observation of behaviors of 156 children, 800 household surveys, and 1,855 environmental samples...
October 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29020219/epidemiology-and-antimicrobial-resistance-characteristics-of-the-st131-h30-subclone-among-extraintestinal-escherichia-coli-collected-from-us-children
#20
Arianna Miles-Jay, Scott J Weissman, Amanda L Adler, Veronika Tchesnokova, Evgeni V Sokurenko, Janet G Baseman, Danielle M Zerr
Background: E. coli ST131-H30 is a globally important pathogen implicated in rising rates of multidrug resistance among E. coli causing extraintestinal infections. Previous studies have focused on adults, leaving the epidemiology of H30 among children undefined. Methods: We used clinical data and isolates from a case-control study of extended-spectrum cephalosporin-resistant E. coli conducted at four US children's hospitals to estimate the burden and identify host correlates of infection with H30...
September 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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