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https://www.readbyqxmd.com/read/28806282/adenovirus-infection-in-children-with-acute-myeloid-leukemia-a-report-from-the-canadian-infection-in-acute-myeloid-leukemia-research-group
#1
Samuele Renzi, Salah Ali, Carol Portwine, David Mitchell, David Dix, Victor Lewis, Victoria Price, Michelle Science, Lillian Sung
BACKGROUND: Children with acute myeloid leukemia (AML) are at high risk of life-threatening bacterial and fungal infection. However, little is known about the prevalence or severity of adenovirus infection in this population. Objective was to describe the characteristics, treatments and outcomes of adenovirus infection in children with newly diagnosed AML. METHODS: We performed a retrospective chart review based upon two multi-center cohort studies which focused on identifying risk factors for infection in children with AML...
August 10, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28798921/screening-of-celiac-disease-in-down-syndrome-old-and-new-dilemmas
#2
REVIEW
Momcilo Pavlovic, Karolina Berenji, Marko Bukurov
Celiac disease (CD) is a common and well defined autoimmune disorder caused by gliadin and related proteins of wheat, rye, and barley. Epidemiologic studies confirmed that CD is highly associated with other autoimmune diseases and with Down syndrome (DS). The symptomatic form of CD in patients with DS is more frequent than asymptomatic forms. However, growth impairment, anemia, intermittent diarrhea, and constipation are symptoms and signs typically of children with DS without CD. Late identification of the disease can lead to various complications, sometimes even very severe...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28794420/interrelationship-of-rotavirus-infection-and-creatine-kinase-mb-isoenzyme-levels-in-children-hospitalized-with-acute-gastroenteritis-in-guangzhou-china-2012-2015
#3
Jianbin Zheng, Haiqing Zheng, Ramit Kumar Gupta, Huixian Li, Hui Shi, Liyan Pan, Sitang Gong, Huiying Liang
Elevated levels of Creatine Kinase-MB (CK-MB) Isoenzyme are a common phenomenon among rotavirus (RV) diarrhea. However, few studies have addressed this issue using large sample size. In current study, 1,118 children (age <5 years) hospitalized with diarrhea in Guangzhou Women and Children's Medical Center from 2012 to 2015 were finally included. Changing pattern of CK-MB and its relationship with RV-infection were analyzed and characterized. Multivariate linear regression models showed that RV-positive cases had a 28% rise in CK-MB compared to RV-negative cases (OR = 1...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794037/reverse-genetics-system-demonstrates-that-rotavirus-non-structural-protein-nsp6-is-not-essential-for-viral-replication-in-cell-culture
#4
Satoshi Komoto, Yuta Kanai, Saori Fukuda, Masanori Kugita, Takahiro Kawagishi, Naoto Ito, Makoto Sugiyama, Yoshiharu Matsuura, Takeshi Kobayashi, Koki Taniguchi
The use of overlapping open reading frames (ORFs) to synthesize more than one unique protein from a single mRNA has been described for several viruses. Segment 11 of the rotavirus genome encodes two non-structural proteins, NSP5 and NSP6. The NSP6 ORF is present in the vast majority of rotavirus strains, and therefore the NSP6 protein would be expected to have a function in viral replication. However, there is no direct evidence of its function or requirement in the viral replication cycle yet. Here, taking advantage of a recently established plasmid only-based reverse genetics system that allows rescue of recombinant rotaviruses entirely from cloned cDNAs, we generated NSP6-deficient viruses to directly address its significance in the viral replication cycle...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28791215/clostridium-difficile-infections-in-young-infants-case-presentations-and-literature-review
#5
Gé-Ann Kuiper, Joffrey van Prehn, Wim Ang, Frank Kneepkens, Sophie van der Schoor, Tim de Meij
It has been assumed that symptomatic Clostridium difficile infections do not occur in young infants, as this specific group would lack specific C. difficile toxin receptors. As a consequence, it is often current practice not to test for C. difficile in neonates and young infants up to 2 years of age presenting with (bloody) diarrhea. The evidence to support this is, however, weak and largely based on small, poorly designed animal studies. We present two young infants with recurrent bloody diarrhea following antimicrobial therapy, positive testing for toxigenic C...
2017: IDCases
https://www.readbyqxmd.com/read/28790133/detection-of-acute-gastroenteritis-etiology-in-hospitalized-young-children-associated-factors-and-outcomes
#6
Jamie M Pinto, Anna Petrova
BACKGROUND: The decision to test for the etiology of diarrhea is a challenging question for practicing pediatricians. METHODS: The main goal of this retrospective cohort study was to identify factors associated with testing for and diagnosis of rotavirus, Clostridium difficile, or other bacterial infections, as well as the length of stay (LOS) for children with acute gastroenteritis who were hospitalized at a single institution. Patients aged 6 to 60 months with acute diarrhea (<14 days) and no underlying gastrointestinal conditions were included...
August 8, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28783751/animal-related-factors-associated-with-moderate-to-severe-diarrhea-in-children-younger-than-five-years-in-western-kenya-a-matched-case-control-study
#7
Anne Conan, Ciara E O'Reilly, Eric Ogola, J Benjamin Ochieng, Anna J Blackstock, Richard Omore, Linus Ochieng, Fenny Moke, Michele B Parsons, Lihua Xiao, Dawn Roellig, Tamer H Farag, James P Nataro, Karen L Kotloff, Myron M Levine, Eric D Mintz, Robert F Breiman, Sarah Cleaveland, Darryn L Knobel
BACKGROUND: Diarrheal disease remains among the leading causes of global mortality in children younger than 5 years. Exposure to domestic animals may be a risk factor for diarrheal disease. The objectives of this study were to identify animal-related exposures associated with cases of moderate-to-severe diarrhea (MSD) in children in rural western Kenya, and to identify the major zoonotic enteric pathogens present in domestic animals residing in the homesteads of case and control children...
August 4, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28783578/genetic-characterisation-of-norovirus-strains-in-outpatient-children-from-rural-communities-of-vhembe-district-south-africa-2014-2015
#8
Jean Pierre Kabue, Emma Meader, Paul R Hunter, Natasha Potgieter
BACKGROUND: Norovirus (NoV) is now the most common cause of both outbreaks and sporadic non-bacterial gastroenteritis worldwide. However, data supporting the role of NoV in diarrheal disease are limited in the African continent. OBJECTIVES: This study investigates the distribution of NoV genotypes circulating in outpatient children from rural communities of Vhembe district/South Africa. STUDY DESIGN: Stool specimens were collected from children under five years of age with diarrhea, and controls without diarrhea, between July 2014 and April 2015...
July 21, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28781945/profiling-of-virulence-associated-factors-in-shigella-species-isolated-from-acute-pediatric-diarrheal-samples-in-tehran-iran
#9
Sajad Yaghoubi, Reza Ranjbar, Mohammad Mehdi Soltan Dallal, Somayeh Yasliani Fard, Mohammad Hasan Shirazi, Mahmood Mahmoudi
OBJECTIVES: The genus Shigella comprises the most infectious and diarrheagenic bacteria causing severe diseases, mostly in children under five years of age. This study aimed to detect nine virulence genes (ipaBCD, VirA, sen, set1A, set1B, ial, ipaH, stx, and sat) in Shigella species (spp.) using multiplex polymerase chain reaction (MPCR) and to determine the relation of Shigella spp. from pediatric diarrheal samples with hospitalization and bloody diarrhea in Tehran, Iran. METHODS: Shigella spp...
June 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28780245/prevalence-and-virulence-gene-profiling-of-enteroaggregative-escherichia-coli-in-malnourished-and-nourished-brazilian-children
#10
Alexandre Havt, Ila Fn Lima, Pedro Hqs Medeiros, Marco Af Clementino, Ana Ks Santos, Marília Smg Amaral, Herlice N Veras, Mara Mg Prata, Noélia L Lima, Alessandra Di Moura, Álvaro M Leite, Alberto M Soares, José Q Filho, Eric R Houpt, James P Nataro, Richard L Guerrant, Aldo Am Lima
The impact of enteroaggregative E. coli (EAEC) infection on childhood malnutrition and inflammation has been suggested, regardless of diarrhea. We investigated whether EAEC and its virulence-related genes (VRGs) are associated with malnutrition in a case-control study. Children aged 6-24 months from Brazil were enrolled as malnourished if weight-for-age Z-score (WAZ) ≤ -2 and nourished if WAZ > -1. Stools were cultured and examined for E. coli. DNA was extracted from fecal isolates and tested for EAEC by polymerase chain reaction (PCR)...
July 4, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28776239/burden-of-diarrhea-in-the-eastern-mediterranean-region-1990-2015-findings-from-the-global-burden-of-disease-2015-study
#11
Ali H Mokdad
OBJECTIVES: Diarrheal diseases (DD) are an important cause of disease burden, especially in children in low-income settings. DD can also impact children's potential livelihood through growth faltering, cognitive impairment, and other sequelae. METHODS: As part of the Global Burden of Disease study, we estimated DD burden, and the burden attributable to specific risk factors and etiologies, in the Eastern Mediterranean Region (EMR) between 1990 and 2015. We calculated disability-adjusted life-years (DALYs)-the sum of years of life lost and years lived with disability-for both sexes and all ages...
August 3, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28772169/astrovirus-infection-in-hospitalized-children-molecular-clinical-and-epidemiological-features
#12
Jones Anderson Monteiro Siqueira, Darleise de Souza Oliveira, Thaís Cristina Nascimento de Carvalho, Thayara Morais Portal, Maria Cleonice Aguiar Justino, Luciana Damascena da Silva, Hugo Reis Resque, Yvone Benchimol Gabbay
BACKGROUND: Astrovirus (HAstV) is a common viral pathogen that causes gastroenteritis worldwide. It is classified into eight classical human types (HAstV-1/8) and seven other less prevalent types, described as HAstV VA1, VA2, VA3, VA4, MLB-1, MLB-2 and MLB-3. During outbreaks, the elderly and children are the most affected, and the spread of the virus is associated with person-to-person contact, food ingestion and contaminated water. OBJECTIVES: The aim of the present study was to investigate the prevalence of infection and genetic diversity of HAstV strains...
July 25, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28771493/differing-growth-responses-to-nutritional-supplements-in-neighboring-health-districts-of-burkina-faso-are-likely-due-to-benefits-of-small-quantity-lipid-based-nutrient-supplements-lns
#13
Sonja Y Hess, Janet M Peerson, Elodie Becquey, Souheila Abbeddou, Césaire T Ouédraogo, Jérôme W Somé, Elizabeth Yakes Jimenez, Jean-Bosco Ouédraogo, Stephen A Vosti, Noël Rouamba, Kenneth H Brown
BACKGROUND: Of two community-based trials among young children in neighboring health districts of Burkina Faso, one found that small-quantity lipid-based nutrient supplements (LNS) increased child growth compared with a non-intervention control group, but zinc supplementation did not in the second study. OBJECTIVES: We explored whether the disparate growth outcomes were associated with differences in intervention components, household demographic variables, and/or children's morbidity...
2017: PloS One
https://www.readbyqxmd.com/read/28767339/assessing-gut-microbiota-perturbations-during-the-early-phase-of-infectious-diarrhea-in-vietnamese-children
#14
Hao Chung The, Paola Florez de Sessions, Song Jie, Duy Pham Thanh, Corinne N Thompson, Chau Nguyen Ngoc Minh, Collins Wenhan Chu, Tuan-Anh Tran, Nicholas R Thomson, Guy E Thwaites, Maia A Rabaa, Martin Hibberd, Stephen Baker
Diarrheal diseases remain the second most common cause of mortality in young children in developing countries. Efforts have been made to explore the impact of diarrhea on bacterial communities in the human gut, but a thorough understanding has been impeded by inadequate resolution in bacterial identification and the examination of only few etiological agents. Here, by profiling an extended region of the 16S rRNA gene in the fecal microbiome, we aimed to elucidate the nature of gut microbiome perturbations during the early phase of infectious diarrhea caused by various etiological agents in Vietnamese children...
August 2, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28766584/transcriptional-variation-of-diverse-enteropathogenic-escherichia-coli-isolates-under-virulence-inducing-conditions
#15
Tracy H Hazen, Sean C Daugherty, Amol C Shetty, James P Nataro, David A Rasko
Enteropathogenic Escherichia coli (EPEC) bacteria are a diverse group of pathogens that cause moderate to severe diarrhea in young children in developing countries. EPEC isolates can be further subclassified as typical EPEC (tEPEC) isolates that contain the bundle-forming pilus (BFP) or as atypical EPEC (aEPEC) isolates that do not contain BFP. Comparative genomics studies have recently highlighted the considerable genomic diversity among EPEC isolates. In the current study, we used RNA sequencing (RNA-Seq) to characterize the global transcriptomes of eight tEPEC isolates representing the identified genomic diversity, as well as one aEPEC isolate...
July 2017: MSystems
https://www.readbyqxmd.com/read/28765005/summary-of-workshop-global-burden-of-diarrheal-diseases-among-children-in-developing-countries-incidence-etiology-and-insights-from-new-molecular-diagnostic-techniques
#16
Karen L Kotloff, James A Platts-Mills, Dilruba Nasrin, Anna Roose, William C Blackwelder, Myron M Levine
The Global Enteric Multicenter Study (GEMS) demonstrated that Shigella and enterotoxigenic Escherichia coli (ETEC) producing heat stable toxin (ST) (either alone or in combination with heat labile toxin) are among the most important pathogens associated with moderate-to-severe diarrhea (MSD) in children younger than 5years of age living in developing countries. To inform the design of vaccines and other interventions, we reviewed published data and new results from GEMS characterizing the burden of Shigella and ST-ETEC infections...
July 29, 2017: Vaccine
https://www.readbyqxmd.com/read/28764758/does-depression-moderate-handwashing-in-children
#17
Jurgita Slekiene, Hans-Joachim Mosler
BACKGROUND: Although diarrheal diseases are preventable and treatable, they are the leading cause of child mortality and morbidity as a consequence of poor hygiene and contaminated water. Handwashing with soap is an effective method for preventing and decreasing the incidence of diarrhea. However, mental disorders such as depression can substantially moderate an individual's ability to cope with daily life and can exert a negative influence on daily hygiene activities such as handwashing with soap, especially in children...
August 1, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28763405/suspected-pediatric-influenza-risk-stratification-algorithm-a-clinical-decision-tool
#18
Patrick D Evers, Michelle Starr, Michael J McNeil, Laura OʼNeill, Andrea Posa, Timothy Savage, Russell Migita
BACKGROUND AND OBJECTIVES: Influenza causes significant annual burden among children. Current guidelines recommend empiric treatment for a broadly defined group of children at high risk for influenza complications, resulting in overtreatment or costly viral testing. This study creates an algorithm for clinicians to risk stratify children with influenza-like illness (ILI) according to likelihood of influenza infection. METHODS: A retrospective analysis was performed on 818 children seen in the emergency department from November 2012 to April 2013 for ILI...
August 1, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28762696/probiotics-for-gastrointestinal-conditions-a-summary-of-the-evidence
#19
REVIEW
Thad Wilkins, Jacqueline Sequoia
Probiotics contain microorganisms, most of which are bacteria similar to the beneficial bacteria that occur naturally in the human gut. Probiotics have been widely studied in a variety of gastrointestinal diseases. The most-studied species include Lactobacillus, Bifidobacterium, and Saccharomyces. However, a lack of clear guidelines on when to use probiotics and the most effective probiotic for different gastrointestinal conditions may be confusing for family physicians and their patients. Probiotics have an important role in the maintenance of immunologic equilibrium in the gastrointestinal tract through the direct interaction with immune cells...
August 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28761476/prevalence-clinical-manifestations-and-genotyping-of-cryptosporidium-spp-in-patients-with-gastrointestinal-illnesses-in-western-iran
#20
Hamed Kiani, Ali Haghighi, Seyyed Javad Seyyedtabaei, Eznollah Azargashsb, Nozhat Zebardast, Niloofar Taghipour, Ali Rostami, Lihua Xiao
BACKGROUND: Cryptosporidium species are recognized as important gastrointestinal pathogens. This study was conducted to identify the prevalence, clinical manifestations and genotyping of Cryptosporidium spp. in patients with gastrointestinal illnesses (GIs) in western Iran. METHODS: Overall, 1301 fecal samples were collected from patients with GIs referred to the 12 clinical laboratories in Nahavand County, west of Iran. Modified Ziehl-Neelsen staining method was used to identify the oocysts...
April 2017: Iranian Journal of Parasitology
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