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Objectives:The aim of this study was to assess the prevalence of functional gastrointestinal disorders (FGIDs) in children of Mediterranean area using Rome IV criteria and to compare the prevalence of FGIDs using Rome IV and Rome III criteria.Methods:This was a cross-sectional study enrolling children and adolescents living in Croatia, Greece, Israel, Italy, Macedonia, and Serbia. Subjects were examined in relation to the presence of FGIDs, using the Rome IV criteria. Data were compared with the results of a previous study using Rome III data.Results:We analyzed 1972 children ages 4 to 9 years (group A), and 2450 adolescents 10 to 18 years old (group B). The overall prevalence of FGIDs was 16% in group A and 26% in group B, with statistical differences among countries in both groups (P

OBJECTIVES: Recommendations for diagnosing and treating eosinophilic esophagitis (EoE) are evolving; however, information on real world clinical practice is lacking. To assess the practices of pediatric gastroenterologists diagnosing and treating EoE and to identify the triggering allergens in European children. METHODS: Retrospective anonymized data were collected from 26 European pediatric gastroenterology centers in 13 countries. Inclusion criteria were: Patients diagnosis with EoE, completed investigations prescribed by the treating physician, and were on stable medical or dietary interventions. RESULTS: In total, 410 patients diagnosed between December 1999 and June 2016 were analyzed, 76.3% boys. The time from symptoms to diagnosis was 12 ± 33.5 months and age at diagnosis was 8.9 ± 4.75 years. The most frequent indications for endoscopy were: dysphagia (38%), gastroesophageal reflux (31.2%), bolus impaction (24.4%), and failure to thrive (10.5%). Approximately 70.3% had failed proton pump inhibitor treatment. The foods found to be causative of EoE by elimination and rechallenge were milk (42%), egg (21.5%), wheat/gluten (10.9%), and peanut (9.9%). Elimination diets were used exclusively in 154 of 410 (37.5%), topical steroids without elimination diets in 52 of 410 (12.6%), both diet and steroids in 183 of 410 (44.6%), systemic steroids in 22 of 410 (5.3%), and esophageal dilation in 7 of 410 (1.7%). Patient refusal, shortage of endoscopy time, and reluctance to perform multiple endoscopies per patient were noted as factors justifying deviation from guidelines. CONCLUSIONS: In this "real world" pediatric European cohort, milk and egg were the most common allergens triggering EoE. Although high-dose proton pump inhibitor trials have increased, attempted PPI treatment is not universal.

The primary role of environment on inflammatory bowel disease (IBD) onset has been recently stressed. We aimed to investigate the effect of environmental factors in an IBD pediatric cohort.A total of 467 subjects (264 IBD and 203 controls) were enrolled. All patients underwent a questionnaire including 5 different groups of environmental risk factors: family history of IBD and autoimmune diseases, perinatal period, home amenities and domestic hygiene, childhood diseases and vaccinations, and diet.In a multivariate model, mother's degree (odds ratio [OR]: 5.5; 2.5-11.6), duration of breast feeding3rd month (OR: 4.3; 1.6-10.5), father's employment (OR: 3.7; 1.2-8.7), gluten introduction6th month (OR: 2.8; 1.5-5), number of siblings2 (OR: 2.8; 1.5-5.3), and family history of autoimmune diseases (OR: 2.7; 1.4-5.3) were significant risk factors for Crohn disease. Low adherence to Mediterranean diet (OR: 2.3; 1.2-4.5), gluten introduction6th month (OR: 2.8; 1.6-4.9), and number of siblings2 (OR: 2; 1.1-3.6) were significant risk factors for ulcerative colitis. Owning pets (OR: 0.3; 0.1-0.7) and bed sharing (OR: 0.2; 0.1-0.6) were protective factors for Crohn disease, whereas owning pets (OR: 0.4; 0.2-0.8) and family parasitosis (OR: 0.07; 0.01-0.4) were protective factors for ulcerative colitis.Our study confirms that environmental factors are closely linked to IBD onset and may partly explain IBD rise in developed countries.

Hiatal hernia (HH) affects from 10% to 50% of adult population. The correlation between HH, gastroesophageal reflux disease, dyspeptic symptoms, and esophagitis has long been known in adults. The primary objective of our prospective observational study was to estimate the prevalence of HH in children undergoing esophagogastroduodenoscopy (EGD), irrespective of their symptoms. METHODS: We prospectively enrolled 111 consecutive children (48 boys and 63 girls; mean age 94.9 ± 52.3 months) referred for EGD. In all of the patients a asymptomatic score assessment based on the Rome III criteria was used to measure frequency, severity, and duration of gastrointestinal symptoms. HH presence was endoscopically defined; esophagitis presence was evaluated either endoscopically and histologically. Children were divided in 2 age-range groups: 48 months (group 2). RESULTS: Twenty-three patients of 111 (20.7%) had evidence of a sliding HH at EGD. In children from group 2, we found a statistically significant association of HH with heartburn (P = 0.03, 95% confidence interval 1-9.3, r = 0.1) and regurgitation (P = 0.003, 95% confidence interval 1.7-20.4, r = 0.3). Regarding esophagitis presence, no association was found at any age either with defined esophagitis or with dilated intercellular spaces. CONCLUSIONS: Prevalence of HH in our study population was 20.7%. According to our data, HH correlates with the presence of heartburn and regurgitation in children, but not in toddlers. No association was found with esophagitis at any age.

In children younger than 2 years of age, a diagnosis of celiac disease (CD) is difficult to make because anti-endomysium (anti-EMA)/anti-tissue transglutaminase 2 (anti-TG2) antibodies are less sensitive than in older children. The aim of our study was to evaluate how many children younger than 2 years of age and diagnosed with CD, were negative for serum anti-TG2 antibodies and to test the hypothesis that in these patients, TG2-specific IgA deposits could instead be present at mucosal level.A total of 104 children younger than 2 years of age and 179 children older than 2 years, all of whom had been diagnosed with CD, were investigated for serum CD-associated antibodies (anti-gliadin [AGA] IgA and IgG, EMA-IgA, anti-TG2-IgA). The presence of intestinal anti-TG2 extracellular IgA deposits was searched by using double immunofluorescence in 56 of the patients younger than 2 years of age and in 40 of those who were older than 2 years.In children with CD who were younger than 2 years of age, high levels of AGA-IgA were found in 93/104 (89%) and 98/104 (94%) were found of have high levels of AGA-IgG. In children older than the age of 2 years with CD, 120/179 (67%) had high levels of AGA-IgA and 151/179 (84%) had high levels of AGA-IgG. Serum EMA were present in 92/104 (88%) in the younger group and in 176/179 (98%) of the older group. Ninety-one of 104 children (87%) younger and 172/179 (96%) older than 2 years showed high serum levels of anti-TG2. Finally, 41/56 (73%) children younger than 2 years and all of the 40 children (100%) older than 2 years of age showed mucosal anti-TG2-IgA deposits.EMA and anti-TG2-antibody measurements show higher sensitivity for the diagnosis of CD in children older than 2 years compared with younger children. The search for mucosal deposits of anti-TG2-IgA does not improve the diagnostic performance.