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helicobacter pediatrics

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https://www.readbyqxmd.com/read/28813514/the-helicobacter-pylori-type-iv-secretion-system-promotes-il-8-synthesis-in-a-model-of-pediatric-airway-epithelium-via-p38-map-kinase
#1
Myra G Dela Pena-Ponce, Monica T Jimenez, Lori M Hansen, Jay V Solnick, Lisa A Miller
Epidemiologic studies have reported an inverse relationship between childhood Helicobacter pylori infection and development of allergic asthma. Because lung epithelium plays an important role in allergic asthma pathogenesis, we hypothesized that H. pylori may directly influence airway epithelial cell innate immune function, particularly in early childhood. To test our hypothesis, we established an in vitro H. pylori infection model using primary tracheobronchial epithelial cell cultures derived from infant, juvenile and adult rhesus monkeys...
2017: PloS One
https://www.readbyqxmd.com/read/28746216/the-impact-of-host-s-genetic-susceptibility-on-helicobacter-pylori-infection-in-children
#2
Maria Oana Mărginean, Cristina Oana Mărginean, Lorena Elena Meliţ, Septimiu Voidăzan, Valeriu Moldovan, Claudia Bănescu
The aim of our study was to investigate the impact of interleukin (IL)-6 190C/T, IL-6 174G/C, IL-6 572G/C, tumor necrosis factor-alpha (TNF-α) 308G/A, and angiotensin-converting enzyme (ACE) I/D gene polymorphisms on Helicobacter pylori (H. pylori) infection in children.A cross-sectional study was performed on 126 children (57 children with H. pylori infection and 69 children without H. pylori infection) aged between 3 and 18 years presenting to a Pediatrics Tertiary Hospital from Romania. Children were assessed clinically, endoscopically, histopathologically, and genetically...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28681188/helicobacter-pylori-infection-serum-pepsinogens-and-pediatric-abdominal-pain-a-pilot-study
#3
Eias Kassem, Medhat Naamna, Kadri Mawassy, Gany Beer-Davidson, Khitam Muhsen
The significance of Helicobacter pylori (H. pylori) infection in pediatric abdominal pain remains poorly recognized. We examined associations of H. pylori infection and serum pepsinogens (PGs), as non-invasive markers of gastritis, with pediatric abdominal pain. A case-control study was conducted among 99 children aged 5-17 years admitted to one hospital for abdominal pain (cases) without an apparent organic reason. Using enzyme-linked immunosorbent assays, sera were tested and compared with 179 controls for anti-H...
August 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28681177/efficacy-and-safety-of-probiotic-supplemented-triple-therapy-for-eradication-of-helicobacter-pylori-in-children-a-systematic-review-and-network-meta-analysis
#4
REVIEW
Jue-Rong Feng, Fan Wang, Xiao Qiu, Lynne V McFarland, Peng-Fei Chen, Rui Zhou, Jing Liu, Qiu Zhao, Jin Li
AIM: The aim of this study was to identify the best probiotic supplementation in triple therapy for pediatric population with Helicobacter pylori infection. METHODS: Eligible trials were identified by comprehensive searches. Relative risks with 95% confidence intervals and relative ranks with P scores were assessed. RESULTS: Twenty-nine trials (3122 participants) involving 17 probiotic regimens were identified. Compared with placebo, probiotic-supplemented triple therapy significantly increased H...
July 5, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28541262/joint-espghan-naspghan-guidelines-for-the-management-of-helicobacter-pylori-in-children-and-adolescents-update-2016
#5
Nicola L Jones, Sibylle Koletzko, Karen Goodman, Patrick Bontems, Samy Cadranel, Thomas Casswall, Steve Czinn, Benjamin D Gold, Jeannette Guarner, Yoram Elitsur, Matjaž Homan, Nicolas Kalach, Michal Kori, Armando Madrazo, Francis Megraud, Alexandra Papadopoulou, Marion Rowland
BACKGROUND: Because of the changing epidemiology of Helicobacter pylori infection and low efficacy of currently recommended therapies, an update of the European Society for Paediatric Gastroenterology Hepatology and Nutrition/North American Society for Pediatric Gastroenterology, Hepatology and Nutrition recommendations for the diagnosis and management of H pylori infection in children and adolescents is required. METHODS: A systematic review of the literature (time period: 2009-2014) was performed...
June 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28495503/sex-differences-in-the-prevalence-of-helicobacter-pylori-infection-in-pediatric-and-adult-populations-systematic-review-and-meta-analysis-of-244-studies
#6
REVIEW
Abdulrazak Ibrahim, Samantha Morais, Ana Ferro, Nuno Lunet, Bárbara Peleteiro
BACKGROUND: The main outcome of Helicobacter pylori infection, i.e. gastric cancer, is more frequent in men, but there is no comprehensive synthesis of the evidence on a potential role of sex in the acquisition and/or persistence of infection. AIMS: To quantify the association between sex and H. pylori infection in pediatric and adult populations, through systematic review and meta-analysis. METHODS: PubMed(®) was searched, from inception to September 2015, to identify population-based studies reporting the prevalence and/or incidence of H...
July 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28474959/is-a-multidisciplinary-aerodigestive-clinic-more-effective-at-treating-recalcitrant-aerodigestive-complaints-than-a-single-specialist
#7
Janine M Rotsides, Gina M Krakovsky, Dinesh K Pillai, Sona Sehgal, Maura E Collins, Carolyn E Noelke, Nancy M Bauman
OBJECTIVE: To determine the utility of a pediatric multidisciplinary aerodigestive clinic (ADC) in treating recalcitrant aerodigestive conditions. METHODS: Longitudinal observational study of presenting complaints, evaluation, management, and outcome of patients seen during 12 monthly ADCs beginning August 2013. RESULTS: Fifty-five patients were seen by the ADC team (otolaryngology/gastroenterology/pulmonology/speech pathology/nurse practitioner) and followed for a mean 17...
July 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28459602/inverse-correlation-between-helicobacter-pylori-colonization-and-pediatric-overweight-a-preliminary-study
#8
Hadar Moran-Lev, Ronit Lubetzky, Dror Mandel, Anat Yerushalmy-Feler, Shlomi Cohen
BACKGROUND: Helicobacter pylori, one of the most common bacterial pathogens in humans, is generally acquired during childhood. The inverse correlation between H. pylori colonization and obesity that was found in adults has not been investigated in depth in children. Our aim was to assess the correlation between overweight and obesity and H. pylori colonization in a pediatric population. METHODS: H. pylori colonization in 70 symptomatic children was determined after antral biopsies during esophagogastroduodenoscopy...
August 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28436598/the-expression-of-helicobacter-pylori-tfs-plasticity-zone-cluster-is-regulated-by-ph-and-adherence-and-its-composition-is-associated-with-differential-gastric-il-8-secretion
#9
Bruno Silva, Alexandra Nunes, Filipa F Vale, Raquel Rocha, João Paulo Gomes, Ricardo Dias, Mónica Oleastro
BACKGROUND: Helicobacter pylori virulence is associated with different clinical outcomes. The existence of an intact dupA gene from tfs4b cluster has been suggested as a predictor for duodenal ulcer development. However, the role of tfs plasticity zone clusters in the development of ulcers remains unclear. We studied several H. pylori strains to characterize the gene arrangement of tfs3 and tfs4 clusters and their impact in the inflammatory response by infected gastric cells. METHODS: The genome of 14 H...
April 24, 2017: Helicobacter
https://www.readbyqxmd.com/read/28430952/a-strategy-for-helicobacter-immunohistochemistry-utilization-in-pediatric-practice-%C3%A2-insights-from-morphologic-and-cost-benefit-analyses
#10
Miriam R Conces, Christina A Arnold, Peter B Baker, Christopher M Carter, Bonita Fung, Vinay Prasad, Michael A Arnold
Objectives: Recent studies in adults have examined the utility of immunohistochemistry (IHC) in detecting Helicobacter in gastric biopsy specimens and reached differing conclusions. Dedicated cost-benefit analysis of Helicobacter IHC in pediatric gastric biopsy specimens has not been performed. Methods: From 1,955 pediatric gastric biopsies in a 1-year period, we identified 63 Helicobacter -positive and 120 Helicobacter -negative biopsy specimens. All cases were scored according to the Updated Sydney System for the severity of inflammation...
November 1, 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28422951/helicobacter-pylori-infection-and-serum-leptin-obestatin-and-ghrelin-levels-in-mexican-schoolchildren
#11
Carolina Romo-González, Eugenia Mendoza, Robertino M Mera, Rafael Coria-Jiménez, Patricia Chico-Aldama, Rita Gomez-Diaz, Ximena Duque
BackgroundThere is little information about the possible role of Helicobacter pylori infection on appetite-regulating peptides in children. This study evaluated the association between H. pylori infection and serum levels of ghrelin, leptin, and obestatin in schoolchildren.MethodsOne hundred seventy-eight schoolchildren, students at boarding schools in Mexico City, participated. H. pylori infection status was determined every 6 months for 1 year by a breath test using (13)C-urea; schoolchildren with consistently positive or negative results were selected to participate...
June 14, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28405201/interleukin-8-251%C3%A2-t-a-polymorphism-in-children-and-teenagers-infected-with-helicobacter-pylori
#12
Marina Saes, Roger Willian de Labio, Lucas Trevizani Rasmussen, Spencer Luiz Marques Payão
BACKGROUND: Helicobacter pylori (H. pylori) is a gram-negative bacterium that colonizes the human stomach and causes a variety of gastric diseases. This study evaluated the correlations between the -251 (T>A) (rs4073) polymorphism of interleukin-8 (IL-8), the etiology of gastric disease, and H. pylori infection in pediatric and adolescent patients. METHODS: DNA samples were obtained from 285 gastric biopsies from pediatric patients. H. pylori was detected by PCR, whereas PCR-RFLP was used to characterize the -251 (T>A) polymorphism of IL-8...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28382843/esophageal-squamous-papilloma-in-a-pediatric-patient-with-helicobacter-pylori-gastritis
#13
Qi Yang, Camelia Stefanovici, Quais Mujawar, Wael El-Matary
No abstract text is available yet for this article.
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28380174/the-role-of-environmental-tobacco-exposure-and-helicobacter-pylori-infection-in-the-risk-of-chronic-tonsillitis-in-children
#14
Chen Li'e, Che Juan, Jiang Dongying, Feng Guiling, Zheng Tihua, Wang Yanfei
CONTEXT AND OBJECTIVE: Helicobacter pylori (H. pylori) is a chronic infectious pathogen with high prevalence. This study investigated the interaction between environmental tobacco exposure and H. pylori infection on the incidence of chronic tonsillitis in Chinese children. DESIGN AND SETTING: Cross-sectional study performed in an outpatient clinic in China. METHODS: Pediatric patients with chronic tonsillitis were enrolled. H. pylori infection was determined according to the presence of H...
January 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28104319/the-mexican-consensus-on-probiotics-in-gastroenterology
#15
M A Valdovinos, E Montijo, A T Abreu, S Heller, A González-Garay, D Bacarreza, M Bielsa-Fernández, M C Bojórquez-Ramos, F Bosques-Padilla, A I Burguete-García, R Carmona-Sánchez, A Consuelo-Sánchez, E Coss-Adame, J A Chávez-Barrera, M de Ariño, J Flores-Calderón, O Gómez-Escudero, M S González-Huezo, M E Icaza-Chávez, A Larrosa-Haro, M Morales-Arámbula, C Murata, J A Ramírez-Mayans, J M Remes-Troche, T Rizo-Robles, M Peláez-Luna, E M Toro-Monjaraz, A Torre, M E Urquidi-Rivera, R Vázquez, J K Yamamoto-Furusho, F Guarner
INTRODUCTION: Probiotics are frequently prescribed in clinical practice. Their efficacy in treating gastrointestinal disorders is supported by a significant number of clinical trials. However, the correct prescription of these agents is hampered due to a lack of knowledge of the scientific evidence and to the different presentations and microbial compositions of the probiotics that are currently available. AIM: To provide the clinician with a consensus review of probiotics and recommendations for their use in gastroenterology...
January 16, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/27863951/detection-of-helicobacter-pylori-and-the-genotypes-of-resistance-to-clarithromycin-and-the-heterogeneous-genotype-to-this-antibiotic-in-biopsies-obtained-from-symptomatic-children
#16
John Jairo Aguilera-Correa, Pedro Urruzuno, Josefa Barrio, María José Martinez, Sonia Agudo, Angela Somodevilla, Laura Llorca, Teresa Alarcón
The aim of this study was to use a commercially available kit (GenoType® HelicoDR; Hain Life Science, Germany) to detect Helicobacter pylori infection and clarithromycin resistance genotype in biopsies obtained from symptomatic children. RESULTS: 111 out of 136 (81.6%) biopsies were H. pylori positive by genotype: 47 (42.3%) showed wild-type genotype, 53 resistant genotype (47.7%) and 11 heterogeneous genotype (9.9%). Culture was negative in 27 out of the 111 genotyped biopsies. Mutation A2143G (87...
February 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27820723/characterization-of-the-gastric-microbiota-in-a-pediatric-population-according-to-helicobacter-pylori-status
#17
Laura Llorca, Guillermo Pérez-Pérez, Pedro Urruzuno, Maria Josefa Martinez, Tadasu Iizumi, Zhan Gao, Jiho Sohn, Jennifer Chung, Laura Cox, Aurea Simón-Soro, Alex Mira, Teresa Alarcón
BACKGROUND: Helicobacter pylori colonizes the human stomach of approximately 50% of the world's population, and increases the risk of several gastric diseases. The goal of this study is to compare the gastric microbiota in pediatric patients with and without H. pylori colonization. METHODS: We studied 51 children who underwent gastric endoscopy because of dyspeptic symptoms (18 H. pylori positive and 33 negative). Gastric biopsies were obtained for rapid urease test, culture, histology and DNA extraction...
February 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27701380/identification-of-helicobacter-pylori-and-the-evolution-of-an-efficacious-childhood-vaccine-to-protect-against-gastritis-and-peptic-ulcer-disease
#18
REVIEW
Thomas G Blanchard, Steven J Czinn
Establishment of Helicobacter pylori infection as an etiologic agent of peptic ulcer disease and other gastric pathologies marked a revolution in gastroenterology which spurred an enormous interest in gastric physiology and immunology research. The association was soon also demonstrated in children as well. Application of antimicrobial therapies have proven remarkably efficacious in eradicating H. pylori and curing pediatric patients of duodenal ulcers as well as gastritis, negating a lifetime of ineffective therapy and life-threatening disease...
January 2017: Pediatric Research
https://www.readbyqxmd.com/read/27520775/management-of-helicobacter-pylori-infections
#19
Amin Talebi Bezmin Abadi, Johannes G Kusters
BACKGROUND: Infection with Helicobacter pylori is associated with severe digestive diseases including chronic gastritis, peptic ulcer disease, and gastric cancer. Successful eradication of this common gastric pathogen in individual patients is known to prevent the occurrence of peptic ulcer disease and gastric cancer. DISCUSSION: With half of the world's population being infected with H, pylori and only few antibiotics result in an effective eradication, a successful antibiotic driven worldwide eradication program seems unlikely...
August 12, 2016: BMC Gastroenterology
https://www.readbyqxmd.com/read/27400262/increasing-metronidazole-and-rifampicin-resistance-of-helicobacter-pylori-isolates-obtained-from-children-and-adolescents-between-2002-and-2015-in-southwest-germany
#20
Thomas Regnath, Olaf Raecke, Axel Enninger, Ralf Ignatius
BACKGROUND: Increasing antibiotic resistance has been reported for Helicobacter pylori, but data on the prevalence of antibiotic resistance of H. pylori in pediatric patients and the development of resistance over time are sparse. METHODS: Data for 610 H. pylori isolates obtained between 2002 and 2015 from gastric biopsies of 582 (mainly treatment-naïve) pediatric patients from southwest Germany were analyzed retrospectively regarding the antibiotic susceptibility determined by Etest and patients' characteristics...
February 2017: Helicobacter
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