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In 2019, the French National Authority for Health (Haute Autorité de Santé, HAS) published guidelines on the diagnosis of undernutrition. The present article focuses on the impact of switching from the 2012 guidelines of the Nutrition Committee of the French Paediatric Society (CNSFP) to the HAS guidelines on the frequency of hospital undernutrition in children. We selected for the period 2010-2019 from the ePINUT database: (1) all children aged more than 2 years with (2) clinically confirmed nutritional status in (3) French sites. The frequency of undernutrition was 15.4% vs. 28.8% using the CNSFP and HAS criteria, respectively (p 0.01; n = 6304). When compared to non-malnourished children regardless of the criteria used, malnourished children: (1) stayed longer in hospital (CNSFP: 9.0 ± 11.8 vs. 6.5 ± 8.7 days, p 0.01; HAS: 7.8 ± 10.1 vs. 6.4 ± 8.4 days, p 0.01), (2) gained more weight during hospitalization (% of weight at admission) (CNSFP: +1.4 ± 4.1 vs. -0.3 ± 3.5%, p 0.01; HAS: +2.3 ± 4.7 vs. -0.1 ± 3.4%, p 0.01), and (3) received nutritional support more frequently during hospitalization (CNSFP: 20% vs. 5%, p 0.01; HAS: 13% vs. 4%, p 0.01). Switching to the HAS guidelines resulted in an almost twofold higher frequency of undernutrition in hospitalized children. Initiation of nutritional care remained low considering the nutritional status. The present study warrants interventional studies to determine which children may benefit more from nutritional therapy to improve their outcome.

OBJECTIVES: To systematically review the current evidence on Helicobacter pylori-negative chronic gastritis including natural history, available therapies and outcomes. METHODS: Articles providing data on the prevalence, treatment or outcomes of Helicobacter pylori-negative gastritis were identified through a systematic search in the MEDLINE and EMBASE databases. All original research articles from human studies until October 31, 2021, were included. RESULTS: A total of 54 studies were included consisted of eosinophilic gastritis (n = 9), autoimmune gastritis (n = 11), collagenous gastritis (n = 16), focally enhanced gastritis (n = 6), lymphocytic gastritis (n = 5) and other causes including idiopathic gastritis and chronic renal failure related (n = 7). Most of the included studies were either cross-sectional or longitudinal cohorts except for collagenous gastritis, which mainly included case reports and case series. The prevalence of paediatric eosinophilic gastritis ranges between 5 and 7/100,000 and patients have generally favourable outcome with 50% to 70% clinical and histological response to either corticosteroids or elimination diets. Autoimmune gastritis and collagenous gastritis are extremely rare entities, commonly present with refractory iron deficiency anaemia, while lymphocytic gastritis is relatively common (10%-45%) in children with coeliac disease. Data on treatments and outcomes of autoimmune, collagenous, and focally enhanced gastritis are lacking with limited data implying poor response to therapy in the former 2 diagnoses. CONCLUSIONS: Helicobacter pylori-negative gastritis is uncommonly reported, mainly in small cohorts, mixed adult-paediatric cohorts or as sporadic case reports. As common symptoms are not specific, thus not always result in an endoscopic evaluation, the true prevalence of these distinct disorders may be underestimated, and thus under reported.

OBJECTIVES/BACKGROUND: Disease-related malnutrition is common in patients with chronic diseases and has detrimental effects, therefore, skills in nutrition care are essential core competencies for paediatric digestive medicine. The aim of this survey, conducted as part of a global survey of paediatric gastroenterology, hepatology and nutrition (PGHN) training in Europe, was to assess nutrition care-related infrastructure, staff, and patient volumes in European PGHN training centres. METHODS: Standardized questionnaires related to clinical nutrition (CN) care were completed by representatives of European PGHN training centres between June 2016 and December 2019. RESULTS: One hundred training centres from 17 European countries, Turkey, and Israel participated in the survey. Dedicated CN clinics exist in 66% of the centres, with fulltime and part-time CN specialists in 66% and 42%, respectively. Home tube feeding (HTF) and home parenteral nutrition (HPN) programmes are in place in 95% and 77% of centres, respectively. Twenty-four percent of centres do not have a dedicated dietitian and 55% do not have a dedicated pharmacist attached to the training centre. Even the largest centres with >5000 outpatients reported that 25% and 50%, respectively do not have a dedicated dietitian or pharmacist. Low patient numbers on HTF and HPN of

Background: The combination of the CFTR corrector Lumacaftor (LUM) and potentiator Ivacaftor (IVA) has been labelled in France since 2015 for F508del homozygote cystic fibrosis (CF) patients over 12 years. Aims: Main: to compare the changes in ppFEV1 2 years before and after initiation of LUM/IVA treatment. Secondary: to assess (i) the evolution of clinical (weight, height, BMI, pulmonary exacerbations, antibiotic use), biological (sweat chloride concentration) and radiological parameters; (ii) to identify parameters associated with response to treatment; (iii) to assess the tolerance to treatment. Methods: In this tri-centre non-interventional observational cohort study, children (12-18 years old) were assessed prospectively during the two years of therapy, and retrospectively during the two years preceding treatment. Data collected and analysed for the study were exclusively extracted from the patients' medical electronic system. Findings: Forty adolescents aged 12.0 to 17.4 years at LUM/IVA initiation were included. Regarding ppFEV1, a decrease was present during the two years prior to treatment, followed by a significant increase after LUM/IVA initiation, becoming significant after 2 years of treatment. LUM/IVA significantly improved the BMI Z-score and sweat chloride concentration. By contrast, there was no significant change in exacerbation rates, antibiotic use or CT-scan scores. Age at LUM/IVA initiation was lower in good responders and was associated with greater ppFEV1 change during the 2 years of treatment. LUM/IVA was well tolerated. Interpretation: In F508del homozygote adolescents, real-life long-term LUM/IVA improves the ppFEV1 trajectory (in particular if introduced early), nutritional status and sweat chloride concentration but not exacerbation rates or radiological scores. LUM/IVA was generally well tolerated and safe. Funding Information: This study did not receive any specific funding. Declaration of Interests: SB, FG, CC, RE, FB, MF conduct clinical trials with Vertex pharmacological agents, on behalf of the European Cystic Fibrosis Society – Clinical Trials Network (ECFS-CTN) and within the scope of ECFS-CTN activities. The other authors have no conflicts of interest to declare. Ethics Approval Statement: The use of the data collected and analysed for the study were exclusively extracted from the patients' medical records (MUCODOMEOS, https://www.vaincrelamuco.org/2019/05/09/mucodomeos-un-logiciel-adapte-aux-besoins-des-crcm-2684) after having obtained their informed consent. In this context and according to the French law in force, the approval of an ethics committee was not required.

International audience; Octreotide, a somatostatin analogue, has been used for more than 20 years in children with gastrointestinal bleeding, chylothorax or chylous ascites, intestinal lymphangiectasia, pancreatitis, intestinal dysmotility, and severe diarrhoea; however, until now, there is a lack of randomised clinical trials evaluating the efficacy of this compound in childhood. Hence, we aimed to review the literature in order to determine the evidence of its use and safety in children, using PubMed from 2000 to 2021 with the search terms "octreotide" and "children" and "bleeding or chylous ascites or chylothorax or acute pancreatitis or lymphangiectasia or diarrhoea or intestinal dysmotility".

International audience; Objectives: Given a lack of a systematic approach to the use of breath testing in paediatric patients, the aim of this position paper is to provide expert guidance regarding the indications for its use and practical considerations to optimise its utility and safety. Methods: Nine clinical questions regarding methodology, interpretation, and specific indications of breath testing and treatment of carbohydrate malabsorption were addressed by members of the Gastroenterology Committee (GIC) of the European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN). A systematic literature search was performed from 1983 to 2020 using PubMed, the MEDLINE and Cochrane Database of Systematic Reviews. Grading of Recommendations, Assessment, Development, and Evaluation was applied to evaluate the outcomes. During a consensus meeting, all recommendations were discussed and finalised. In the absence of evidence from randomised controlled trials, recommendations reflect the expert opinion of the authors. Results: A total of 22 recommendations were voted on using the nominal voting technique. At first, recommendations on prerequisites and preparation for as well as on interpretation of breath tests are given. Then, recommendations on the usefulness of H2-lactose breath testing, H2-fructose breath testing as well as of breath tests for other types of carbohydrate malabsorption are provided. Furthermore, breath testing is recommended to diagnose small intestinal bacterial overgrowth (SIBO), to control for success of Helicobacter pylori eradication therapy and to diagnose and monitor therapy of exocrine pancreatic insufficiency, but not to estimate oro-caecal transit time (OCTT) or to diagnose and follow-up on celiac disease. Conclusions: Breath tests are frequently used in paediatric gastroenterology mainly assessing carbohydrate malabsorption, but also in the diagnosis of small intestinal overgrowth, fat malabsorption, H. pylori infection as well as for measuring gastrointestinal transit times. Interpretation of the results can be challenging and in addition, pertinent symptoms should be considered to evaluate clinical tolerance.

International audience; Button batteries (BB) remain a health hazard to children as ingestion might lead to life-threatening complications, especially if the battery is impacted in the esophagus. Worldwide initiatives have been set up in order to prevent and also timely diagnose and manage BB ingestions. A European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN) task force for BB ingestions has been founded, which aimed to contribute to reducing the health risks related to this event. It is important to focus on the European setting, next to other worldwide initiatives, to develop and implement effective management strategies. As one of the first initiatives of the ESPGHAN task force, this ESPGHAN position paper has been written. The literature is summarized, and prevention strategies are discussed focusing on some controversial topics. An algorithm for the diagnosis and management of BB ingestions is presented and compared to previous guidelines (NASPGHAN, National Poison Center). In agreement with earlier guidelines, immediate localization of the BB is important and in case of esophageal impaction, the BB should be removed instantly (preferably 12 hours after ingestion or time point of removal >12 hours after ingestion) and esophageal impaction the guideline suggests to perform a CT scan in order to evaluate for vascular injury before removing the battery. In delayed diagnosis, even if the battery has passed the esophagus, endoscopy to screen for esophageal damage and a CT scan to rule out vascular injury should be considered even in asymptomatic children. In asymptomatic patients with early diagnosis (