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gastroenteritis review

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https://www.readbyqxmd.com/read/27891287/sapovirus-gastroenteritis-in-young-children-presenting-as-distal-small-bowel-obstruction-a-report-of-2-cases-and-literature-review
#1
Lynn Model, Cathy Anne Burnweit
Abdominal pain and distention in children are commonly encountered problems in the pediatric emergency room. The majority of complaints are found to be due to benign entities such as gastroenteritis and constipation. What confounds these diagnoses is that young children often deliver a challenging and unreliable exam. Thus, it often becomes exceedingly problematic to differentiate these benign conditions from surgical conditions requiring prompt attention including small or large bowel obstruction, volvulus, and appendicitis...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27888275/acute-disseminated-encephalomyelitis-following-campylobacter-jejuni-gastroenteritis-case-report-and-review-of-the-literature
#2
Simone Marziali, Eliseo Picchi, Francesca Di Giuliano, Simone Altobelli, Giorgia Mataluni, Girolama Marfia, Francesco Garaci, Roberto Floris
We describe a case of a 25-year-old male with a diagnosis of acute disseminated encephalomyelitis (ADEM) following infection with Campylobacter jejuni, which is implicated in various human pathologies regarding the central nervous system (CNS) with acute course like Guillain-Barré syndrome (GBS), Miller-Fisher syndrome (MFS), Bickerstaff's brainstem encephalitis (BEE), acute transverse myelitis (ATM) as well as ADEM. These conditions are caused by cross-reactivity between Campylobacter's epitopes and cells of the CNS that causes an immunomediated inflammatory demyelination of the CNS...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27887808/norovirus-regulation-by-host-and-microbe
#3
REVIEW
Megan T Baldridge, Holly Turula, Christiane E Wobus
Norovirus (NoV) infection is the leading cause of epidemic gastroenteritis globally, and can lead to detrimental chronic infection in immunocompromised hosts. Despite its prevalence as a cause of diarrheal illness, the study of human NoVs (HNoVs) has historically been limited by a paucity of models. The use of murine NoV (MNoV) to interrogate mechanisms of host control of viral infection has facilitated the exploration of different genetic mouse models, revealing roles for both innate and adaptive immunity in viral regulation...
October 28, 2016: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/27881278/cost-burden-of-severe-community-acquired-rotavirus-gastroenteritis-requiring-hospitalization-in-the-czech-republic-slovakia-poland-and-hungary-a-retrospective-patient-chart-review
#4
Aleš Tichopád, Juliana Müllerová, Teresa Jackowska, Eva Nemes, Petr Pazdiora, Brigitte Sloesen, Mária Štefkovičová
OBJECTIVES: To provide valuable local data on the economic burden of rotavirus gastroenteritis (RVGE) for decision making on introduction of rotavirus vaccination in Central European countries. METHODS: We conducted a retrospective patient hospital chart review during the winter RVGE peak in the Czech Republic (n = 109), Hungary (n = 109), Poland, (n = 112), and Slovakia (n = 115) to estimate resource use and associated costs from the payer's perspective in children younger than 5 years with severe RVGE requiring hospitalization...
September 2016: Value in Health Regional Issues
https://www.readbyqxmd.com/read/27876423/environmental-indicators-for-human-norovirus-outbreaks
#5
Shima Shamkhali Chenar, Zhiqiang Deng
Norovirus is the most common cause of outbreaks of non-bacterial gastroenteritis in human. While the winter seasonality of norovirus outbreaks has been widely reported, the association between norovirus outbreak epidemics and environmental factors remains not fully understood. This literature review is intended to improve understanding of environmental factors governing norovirus outbreaks and how the factors affect norovirus transmission. To that end, a large number of studies (67) from countries around the world were critically reviewed and discussed...
November 23, 2016: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/27867684/eosinophilic-gastroenteritis-approach-to-diagnosis-and-management
#6
REVIEW
Antoine Abou Rached, Weam El Hajj
Eosinophilic gastroenteritis (EGE) is a rare and benign inflammatory disorder that predominantly affects the stomach and the small intestine. The disease is divided into three subtypes (mucosal, muscular and serosal) according to klein's classification, and its manifestations are protean, depending on the involved intestinal segments and layers. Hence, accurate diagnosis of EGE poses a significant challenge to clinicians, with evidence of the following three criteria required: Suspicious clinical symptoms, histologic evidence of eosinophilic infiltration in the bowel and exclusion of other pathologies with similar findings...
November 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27849507/deployment-of-the-1st-area-medical-laboratory-in-a-split-based-configuration-during-the-largest-ebola-outbreak-in-history
#7
Anthony P Cardile, Christopher T Littell, Michael G Backlund, Richard A Heipertz, Jerod A Brammer, Sean M Palmer, Todd J Vento, Felix A Ortiz, William R Rosa, Michael J Major, Patrick M Garman
BACKGROUND: The U.S. Army 1(st) Area Medical Laboratory (1(st) AML) is currently the only deployable medical CBRNE (Chemical, Biological, Radiological, Nuclear, and Explosives) laboratory in the Army's Forces Command. In support of the United States Agency for International Development Ebola response, the U.S. military initiated Operation United Assistance (OUA), and deployed approximately 2,500 service members to support the Government of Liberia's Ebola control efforts. Due to its unique molecular diagnostic and expeditionary capabilities, the 1(st) AML was ordered to deploy in October of 2014 in support of OUA via establishment of Ebola testing laboratories...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27846803/cost-effectiveness-analysis-of-rotavirus-vaccination-in-china-projected-possibility-of-scale-up-from-the-current-domestic-option
#8
Shuhui Cui, Ruoyan Gai Tobe, Xiuting Mo, Xiaoyan Liu, Lingzhong Xu, Shixue Li
BACKGROUND: Rotavirus infection causes considerable disease burden of acute gastroenteritis (AGE) hospitalization and death among children less than 5 years in China. Although two rotavirus vaccines (Rotarix and RotaTeq) have been licensed in more than 100 countries in the world, the Lanzhou Lamb rotavirus vaccine (LLR) is the only vaccine licensed in China. This study aims to forecast the potential impacts of the two international vaccines compared to domestic LLR. METHODS: An economic evaluation was performed using a Markov simulation model...
November 15, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27835052/options-for-improving-effectiveness-of-rotavirus-vaccines-in-developing-countries
#9
Marion S Tissera, Daniel Cowley, Nada Bogdanovic-Sakran, Melanie L Hutton, Dena Lyras, Carl D Kirkwood, Jim P Buttery
Rotavirus gastroenteritis is a leading global cause of mortality and morbidity in young children due to diarrhea and dehydration. Over 85% of deaths occur in developing countries. In industrialised countries, two live oral rotavirus vaccines licensed in 2006 quickly demonstrated high effectiveness, dramatically reducing severe rotavirus gastroenteritis admissions in many settings by more than 90%. In contrast, the same vaccines reduced severe rotavirus gastroenteritis by only 30-60% in developing countries, but have been proven life-saving...
November 11, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27832323/deep-pelvic-endometriosis-a-radiologist-s-guide-to-key-imaging-features-with-clinical-and-histopathologic-review
#10
REVIEW
Ayeh Darvishzadeh, Wendaline McEachern, Thomas K Lee, Priya Bhosale, Ali Shirkhoda, Christine Menias, Chandana Lall
While endometriosis typically affects the ovaries, deep infiltrating endometriosis can affect the gastrointestinal tract, urinary tract, and deep pelvis, awareness of which is important for radiologists. Symptoms are nonspecific and can range from chronic abdominal and deep pelvic pain to nausea, vomiting, diarrhea, constipation, hematuria, and rectal bleeding. Ultrasound and computed tomography may show nonspecific soft-tissue density masses causing bowel obstruction and hydronephrosis. This constellation of presenting symptoms and imaging evidence is easily mistaken for other pathologies including infectious gastroenteritis, diverticulitis, appendicitis, and malignancy, which may lead to unnecessary surgery or mismanagement...
November 10, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27818950/type-three-secretion-system-in-attaching-and-effacing-pathogens
#11
REVIEW
Meztlli O Gaytán, Verónica I Martínez-Santos, Eduardo Soto, Bertha González-Pedrajo
Enteropathogenic Escherichia coli and enterohemorrhagic E. coli are diarrheagenic bacterial human pathogens that cause severe gastroenteritis. These enteric pathotypes, together with the mouse pathogen Citrobacter rodentium, belong to the family of attaching and effacing pathogens that form a distinctive histological lesion in the intestinal epithelium. The virulence of these bacteria depends on a type III secretion system (T3SS), which mediates the translocation of effector proteins from the bacterial cytosol into the infected cells...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27818586/human-bocavirus-current-knowledge-and-future-challenges
#12
REVIEW
Marcello Guido, Maria Rosaria Tumolo, Tiziano Verri, Alessandro Romano, Francesca Serio, Mattia De Giorgi, Antonella De Donno, Francesco Bagordo, Antonella Zizza
Human bocavirus (HBoV) is a parvovirus isolated about a decade ago and found worldwide in both respiratory samples, mainly from early life and children of 6-24 mo of age with acute respiratory infection, and in stool samples, from patients with gastroenteritis. Since then, other viruses related to the first HBoV isolate (HBoV1), namely HBoV2, HBoV3 and HBoV4, have been detected principally in human faeces. HBoVs are small non-enveloped single-stranded DNA viruses of about 5300 nucleotides, consisting of three open reading frames encoding the first two the non-structural protein 1 (NS1) and nuclear phosphoprotein (NP1) and the third the viral capsid proteins 1 and 2 (VP1 and VP2)...
October 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27814742/shigellosis-in-nepal-13%C3%A2-years-review-of-nationwide-surveillance
#13
Geeta Shakya, Jyoti Acharya, Shailaja Adhikari, Nisha Rijal
BACKGROUND: Shigella is a major cause of gastroenteritis especially in children. In developing countries, the incidence is frequent and results are often life threatening. Changing epidemiology and emerging antibiotic resistance warrants continuous monitoring of susceptibility. The present study highlights the changing epidemiology and drug resistance patterns of Shigella isolated at different hospitals of Nepal over a period of 13 years (Jan. 2003-Dec. 2015). METHODS: This study was carried out in 12 participating laboratories...
November 4, 2016: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/27809881/norovirus-in-benign-convulsions-with-mild-gastroenteritis
#14
Gun-Ha Kim, Jung Hye Byeon, Deog-Yong Lee, Hyun Ju Jeong, Baik-Lin Eun
BACKGROUND: Benign convulsions with gastroenteritis (CwG) are defined as afebrile convulsions accompanying symptoms of gastroenteritis without evidence of laboratory derangement. Although the main pathogen has been known as rotavirus, since the introduction of rotavirus vaccine, associated viruses with CwG may have changed. Thus, we evaluated the viral association of CwG for patients admitting for recent 2.5 years. METHODS: All patients hospitalized for CwG between November 2012 and May 2015 were included in our study...
November 3, 2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/27807010/an-outbreak-inside-an-epidemic-managing-an-infectious-disease-outbreak-while-treating-ebola
#15
REVIEW
Simon Horne, K Forbes, D Burns, Jjh Tuck
Even in the middle of an epidemic of a very serious illness, outbreaks of other infectious diseases will continue. Clinicians need to be able to make rapid decisions about the nature of the outbreak and how to manage it. A balance needs to be struck between managing all patients as if they have the worst-case scenario illness and the resultant risks to themselves, their colleagues and the mission. This paper reviews basic epidemiological tools that inform robust decision-making in the management of such outbreaks...
November 2, 2016: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/27803484/regulation-of-the-expression-of-iron-acquisition-system-genes-in-pathogenic-vibrio-species
#16
Tomotaka Tanabe
 The genus Vibrio includes >70 species, of which roughly a dozen cause vibriosis such as gastroenteritis, wound infections, and septicemia. Most bacteria, including Vibrio species, require iron for survival and growth. However, the bioavailability of iron is extremely low because it is usually present as an insoluble ferric complex in an aerobic environment or is bound to iron-binding proteins in mammalian hosts. Therefore many bacteria have developed iron acquisition systems, including biosynthesis and secretion of low-molecular-mass iron-chelating compounds called siderophores, and uptake of iron-bound siderophores into bacterial cells through specific active transport systems...
2016: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/27800529/epidemiology-of-norovirus-infection-among-immunocompromised-patients-at-a-tertiary-care-research-hospital-2010-2013
#17
Karin Bok, D Rebecca Prevots, Alison M Binder, Gabriel I Parra, Sara Strollo, Gary A Fahle, Allison Behrle-Yardley, Jordan A Johnson, Eric A Levenson, Stanislav V Sosnovtsev, Steven M Holland, Tara N Palmore, Kim Y Green
Background.  Noroviruses are a major cause of infectious gastroenteritis worldwide, and viruses can establish persistent infection in immunocompromised individuals. Risk factors and transmission in this population are not fully understood. Methods.  From 2010 through 2013, we conducted a retrospective review among immunocompromised patients (n = 268) enrolled in research studies at the National Institutes of Health Clinical Center and identified a subset of norovirus-positive patients (n = 18) who provided stool specimens for norovirus genotyping analysis...
September 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/27765795/disseminated-infections-with-antibiotic-resistant-non-typhoidal-salmonella-strains-contributions-of-host-and-pathogen-factors
#18
Kristen L Lokken, Gregory T Walker, Renée M Tsolis
Non-typhoidal Salmonella enterica serovars (NTS) are generally associated with gastroenteritis; however, the very young and elderly, as well as individuals with compromised immunity, are at risk of developing disseminated infection that can manifest as bacteremia or focal infections at systemic sites. Disseminated NTS infections can be fatal and are responsible for over 600,000 deaths annually. Most of these deaths are in sub-Saharan Africa, where multi-drug resistant NTS clones are currently circulating in a population with a high proportion of individuals that are susceptible to disseminated disease...
October 8, 2016: Pathogens and Disease
https://www.readbyqxmd.com/read/27755462/norovirus-in-latin-america-systematic-review-and-meta-analysis
#19
Miguel O'Ryan, Margarita Riera-Montes, Benjamin Lopman
BACKGROUND: Noroviruses are increasingly recognized as a major cause of sporadic and epidemic acute gastroenteritis. Although there have been multiple studies published on norovirus epidemiology in Latin America, no comprehensive assessment of the role of norovirus has been conducted in the region. We aim to estimate the role of norovirus in the Latin American region through a systematic review and meta-analysis of the existing literature. METHODS: We carried out a literature search in Medline, SciELO and LILACS...
October 17, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27755184/no-when-the-immunologist-becomes-a-virologist-norovirus-an-emerging-infection-in-immune-deficiency-diseases
#20
Stella Hartono, Amrita Bhagia, Avni Y Joshi
PURPOSE OF REVIEW: Norovirus infection is an emerging chronic infection in immunocompromised hosts. The aim of this review is to discuss the pathophysiology of Norovirus infection and explore mechanistic models for chronic infection/shedder state, especially in patients with immune deficiency diseases. RECENT FINDINGS: Chronic Norovirus infection is increasingly associated with enteropathy associated with both primary and secondary immune deficiency diseases. There is an ongoing debate in the immune deficiency community whether it is truly a causative agent for the enteropathy or it is an innocent bystander...
December 2016: Current Opinion in Allergy and Clinical Immunology
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