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The gastrointestinal microbiome is a hot topic in clinical research. Beneficial effects of selected probiotics in the prevention of gastrointestinal disorders are mainly restricted to acute gastroenteritis, antibiotic-associated diarrhoea, infantile colic, and necrotising enterocolitis. However, no broad consensus exists to recommend the use of probiotics in the prevention of these conditions, mainly because of the different design of the studies done so far, resulting in little evidence for specific strains, dosages, and indications. More well designed studies are needed before recommendations can be proposed. At this stage, the evidence is insufficient to recommend the routine use of probiotics in infants and children for the prevention of gastrointestinal disorders., (Copyright © 2019 Elsevier Ltd. All rights reserved.)

Objectives: The Bristol Stool Form Scale (BSFS) is inadequate for non-toilet trained children. The Brussels Infant and Toddler Stool Scale (BITSS) was developed, consisting of 7 photographs of diapers containing stools of infants and toddlers. We aimed to evaluate interobserver reliability of stool consistency assessment among parents, nurses, and medical doctors (MDs) using the BITSS., Methods: In this multicenter cross-sectional study (2016-2017), BITSS photographs were rated according to the BSFS. The reliability of the BITSS was evaluated using the overall proportion of perfect agreement and the linearly weighted κ statistic., Results: A total of 2462 observers participated: 1181 parents (48.0%), 624 nurses (25.3%), and 657 MDs (26.7%). The best-performing BITSS photographs corresponded with BSFS type 7 (87.5%) and type 4 (87.6%), followed by the BITSS photographs representing BSFS type 6 (75.0%), BSFS type 5 (68.0%), BSFS type 1 (64.8%), and BSFS type 3 (64.6%). The weakest performing BITSS photograph corresponded with BSFS type 2 (49.7%). The overall weighted κ-value was 0.72 (95% CI 0.59-0.85; good agreement). Based on these results, photographs were categorized per stool group as hard (BSFS type 1-3), formed (BSFS type 4), loose (BSFS types 5 and 6), or watery (BSFS type 7) stools. According to this new categorization system, correct allocation for each photograph ranged from 83 to 96% (average: 90%). The overall proportion of correct allocations was 72.8%., Conclusions: BITSS showed good agreement with BSFS. Using the newly categorized BITSS photographs, the BITSS is reliable for the assessment of stools of non-toilet trained children in clinical practice and research. A multilanguage translated version of the BITSS can be downloaded at https://bitss-stoolscale.com/.

Objectives: To estimate the cost of functional gastrointestinal disorders (FGIDs) and related signs and symptoms in infants to the third party payer and to parents., Study Design: To estimate the cost of illness (COI) of infant FGIDs, a two-stage process was applied: a systematic literature review and a COI calculation. As no pertinent papers were found in the systematic literature review, a 'de novo' analysis was performed. For the latter, the potential costs for the third party payer (the National Health Service (NHS) in England) and for parents/carers for the treatment of FGIDs in infants were calculated, by using publicly available data. In constructing the calculation, estimates and assumptions (where necessary) were chosen to provide a lower bound (minimum) of the potential overall cost. In doing so, the interpretation of the calculation is that the true COI can be no lower than that estimated., Results: Our calculation estimated that the total costs of treating FGIDs in infants in England were at least £72.3 million per year in 2014/2015 of which £49.1 million was NHS expenditure on prescriptions, community care and hospital treatment. Parents incurred £23.2 million in costs through purchase of over the counter remedies., Conclusions: The total cost presented here is likely to be a significant underestimate as only lower bound estimates were used where applicable, and for example, costs of alternative therapies, inpatient treatments or diagnostic tests, and time off work by parents could not be adequately estimated and were omitted from the calculation. The number and kind of prescribed products and products sold over the counter to treat FGIDs suggest that there are gaps between treatment guidelines, which emphasise parental reassurance and nutritional advice, and their implementation., Competing Interests: Competing interests: TL is an employee of Nutricia Research. ILW is an employee of Danone SA. HW, JM, JG and ME are employees of YHEC. HS reports no conflicts of interest for this piece of work.CL, HS, MM, NT and QSH have served as consultants, advisory board members and/or speakers for companies manufacturing infant formulas, foods and probiotics or prebiotics. MS has served as a consultant for a medical food company., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)

Food allergy develops as a consequence of a failure in oral tolerance, which is a default immune response by the gut-associated lymphoid tissues to ingested antigens that is modified by the gut microbiota. Food allergy is classified on the basis of the involvement of IgE antibodies in allergic pathophysiology, either as classic IgE, mixed pathophysiology or non-IgE-mediated food allergy. Gastrointestinal manifestations of food allergy include emesis, nausea, diarrhoea, abdominal pain, dysphagia, food impaction, protein-losing enteropathy and failure to thrive. Childhood food allergy has a generally favourable prognosis, whereas natural history in adults is not as well known. Elimination of the offending foods from the diet is the current standard of care; however, future therapies focus on gradual reintroduction of foods via oral, sublingual or epicutaneous food immunotherapy. Vaccines, modified hypoallergenic foods and modification of the gut microbiota represent additional approaches to treatment of food allergy.

Non-IgE-mediated gastrointestinal food allergic disorders (non-IgE-GI-FA) including food protein-induced enterocolitis syndrome (FPIES), food protein-induced enteropathy (FPE), and food protein-induced allergic proctocolitis (FPIAP) are relatively uncommon in infants and young children, but are likely under-diagnosed. Non-IgE-GI-FA have a favorable prognosis, with majority resolving by age 3-5 years. Diagnosis relies on the recognition of symptoms pattern in FPIAP and FPIES and biopsy in FPE. Further studies are needed for a better understanding of the pathomechanism, which will lead eventually to the development of diagnostic tests and treatments. Limited evidence supports the role of food allergens in subsets of constipation, gastroesophageal reflux disease, irritable bowel syndrome, and colic. The immunologic pathomechanism is not fully understood and empiric prolonged avoidance of food allergens should be limited to minimize nutrient deficiency and feeding disorders/food aversions in infants., (© 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)

Introduction: Functional gastrointestinal disorders (FGIDs) and FGID-related signs and symptoms have a fundamental impact on the psychosocial, physical and mental well-being of infants and their parents alike. Recent reviews and studies have indicated that FGIDs and related signs and symptoms may also have a substantial impact on the budgets of third-party payers and/or parents. The objective of this systematic review is to investigate these costs., Methods and Analysis: The population of interest is healthy term infants (under 12 months of age) with colic, regurgitation and/or functional constipation. Outcomes of interest will include the frequency and volume of reported treatments, the cost to third-party payers and/or parents for prescribed or over the counter treatments, visits to health professionals and changes in infant formula purchases, and the loss of income through time taken off work and out of pocket costs. Relevant studies will be identified by searching databases from 2005 onwards (including MEDLINE, EMBASE, PsycINFO, NEXIS, DARE, Health Technology Assessment database, National Health Service Economic Evaluation Database and others), conferences from the previous 3 years and scanning reference lists of eligible studies. Study selection, data extraction and quality assessment will be conducted by two independent reviewers and disagreements resolved in discussion with a third reviewer. Quality assessment will involve study design-specific checklists. Relevant studies will be summarised narratively and presented in tables. An overview of treatments and costs will be provided, with any geographical or other differences highlighted. An assessment of how the totals for cost differ across countries and elements that contribute to the differences will be generated., Ethics and Dissemination: This is a systematic review of published studies that will be submitted for publication to a peer-reviewed journal. Ethical committee approval is not required., Trial Registration Number: CRD42016033119., (Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/)

Purpose of Review: Evidence suggests that the gut microbiota in subjects with infantile colic differs from the gut microbiota in an unaffected population. In colicky infants, dysbiosis may affect gut motor function and gas production resulting in abdominal pain/colic. If so, it is logical to assume that manipulation of the gut microbiota may play a therapeutic role and also could be a preventive measure in the evolution of these disorders. We aimed to evaluate evidence on the effectiveness of probiotics for treating and preventing infantile colic., Recent Findings: The administration of Lactobacillusreuteri DSM 17938 is likely to reduce crying time in breastfed infants with infantile colic, but its role in formula-fed infants is less clear. Data summarized in the current review suggest that L reuteri DSM 17938 may be effective in the reduction of crying/colic both in breastfed and formula-fed infants. Other probiotics (single or in combinations) were studied in single trials only., Summary: Given the lack of effective therapy for infantile colic and the good safety profile of L reuteri DSM 17938, this therapeutic option could be discussed with caregivers. Data on other probiotics, either positive or negative, are too limited to allow one to draw reliable conclusions.

Unlabelled: Up to 50% of infants present with symptoms of regurgitation, infantile colic and/or constipation during the first 12 months of life. Although they are often classed as functional disorders, there is an overlap with cows' milk allergy. We present practical algorithms for the management of such disorders, based on existing evidence and general consensus, with a particular focus on primary health care. Management consists of early recognition of warning signs of organic disease, parental reassurance and nutritional strategies., Conclusion: The proposed algorithms aim to help healthcare providers manage frequent gastrointestinal and cows' milk-related symptoms in infants safely and effectively., (©2015 Foundation Acta Paediatrica. Published by John Wiley & Sons Ltd.)

Unlabelled: Fermented formulas, i.e., those fermented with lactic acid-producing bacteria during the production process and not containing significant amounts of viable bacteria in the final product, are widely available in many countries. Our aim was to systematically review published evidence related to the safety and health effects of the administration of fermented infant formulas compared with standard infant formulas. The Cochrane Library, MEDLINE, and EMBASE databases and major pediatric conference proceedings were searched. Five randomized controlled trials (RCTs) involving 1326 infants met the inclusion criteria. Compared with standard formula, the use of fermented formula resulted in a similar weight gain and length gain during the study period. Data from one RCT, albeit large, suggest the effectiveness of fermented formula in preventing and treating acute diarrhea. Fermented formula has the potential to reduce some, albeit not well-defined, digestive symptoms. Current evidence does not support the use of fermented formula for preventing cow's milk allergy., Conclusion: Limited available evidence suggests that the use of fermented infant formula, compared with the use of standard infant formula, does not offer clear additional benefits, although some benefit on gastrointestinal symptoms cannot be excluded. What is known • Fermented formulas, i.e., those fermented with lactic acid-producing bacteria during the production process and not containing significant amounts of viable bacteria in the final product, are widely available in many countries. What is new • Limited evidence available suggests that the use of fermented infant formula, compared with the use of standard infant formula, does not offer clear additional benefits, although some benefit on gastrointestinal symptoms cannot be excluded. At the same time, no negative health effects have been documented.

Unlabelled: We aimed to systematically evaluate evidence on the effectiveness of Lactobacillus reuteri DSM 17938 (L. reuteri) for treating and preventing diseases in infants and children. MEDLINE and the Cochrane Library were searched in December 2013, with no language restrictions, for relevant randomized controlled trials (RCTs) and meta-analyses. The search was updated in April 2014. One systematic review and 14 RCTs met the inclusion criteria. The use of L. reuteri may be considered in the management of acute gastroenteritis as an adjunct to rehydration. There is some evidence that L. reuteri is effective in reducing the incidence of diarrhea in children attending day care centers. There is no evidence of effectiveness of L. reuteri in preventing nosocomial diarrhea in children. The administration of L. reuteri is likely to reduce crying time in infants with infantile colic in exclusively or predominantly exclusively breast-fed infants, but not in formula-fed infants. More studies are needed. Preliminary data suggest that L. reuteri may be effective in the prevention of some functional gastrointestinal disorders, such as colic and regurgitation. This innovative approach needs further evaluation by an independent research team. Preliminary evidence provides a rationale for further assessing the efficacy of L. reuteri for treating functional constipation or functional abdominal pain. However, it is too soon to recommend the routine use of L. reuteri for these conditions. There are no safety concerns with regard to the use of L. reuteri in nonimmunocompromised subjects. There are also data to support the safety of using L. reuteri in preterm infants., Conclusion: Our results precisely define current evidence on the effects of the administration of L. reuteri DSM 17938 to the pediatric population.

Aim: To assess the efficacy of glucomannan (GNN) as the sole treatment for abdominal pain-related functional gastrointestinal disorders (FGIDs)., Methods: We conducted a double-blind, placebo-controlled, randomized trial. Patients were recruited among children referred to the Department of Paediatrics, Medical University of Warsaw. Included in the study were children aged 7-17 years with abdominal pain-related FGIDs classified according to the Rome III diagnostic criteria. The children were randomly assigned to receive GNN, a polysaccharide of 1,4-D-glucose and D-mannose, a soluble fiber from the Japanese Konjac plant, at a dosage of 2.52 g/d (1 sachet of 1.26 g 2 times a day), or a comparable placebo (maltodextrin) at the same dosage. The content of each sachet was dissolved in approximately 125 mL of fluid and was consumed twice daily for 4 wk., Results: Of the 89 eligible children, 84 (94%) completed the study. "No pain" and "treatment success" (defined as no pain or a decrease ≥ 2/6 points on the FACES Pain Scale Revised) were similar in the GNN (n = 41) and placebo (n = 43) groups [no pain (12/41 vs 6/43, respectively; RR = 2.1, 95%CI: 0.87-5.07) as well as treatment success (23/41 vs 20/43; RR = 1.2, 95%CI: 0.79-1.83)]. No significant differences between the groups were observed in the secondary outcomes, such as abdominal cramps, abdominal bloating/gassiness, episodes of nausea or vomiting, or a changed in stool consistency. GNN demonstrated no significant influence on the number of children requiring rescue therapy, school absenteeism, or daily activities., Conclusion: In our setting, GNN, as dosed in this study, was no more effective than the placebo in achieving therapeutic success in the management of FGIDs in children.

At best, currently available therapies provide symptomatic relief from functional gastrointestinal disorders (FGD). No existing therapy, however, can influence the natural course of any of these disorders, prompting interest in new and safe treatment options. This paper summarizes the clinical evidence from randomized controlled trials (RCTs) and their meta-analyses of the effectiveness of probiotics, prebiotics, and dietary fiber in the treatment of FGD in the pediatric population. While it is too soon to recommend the routine use of any probiotics for treating FGD, some of these therapeutic options can provide a health benefit to patients, and therefore can be discussed with patients and/or caregivers. Lactobacillus reuteri DSM 17938 has consistently improved symptoms of infantile colic. The use of Lactobacillus GG moderately increased treatment success in children with abdominal pain-related FGD, particularly among children with irritable bowel syndrome. Also, data from one trial suggest that VSL#3 seems to be effective in ameliorating symptoms and improving the quality of life of children affected by irritable bowel syndrome. L. reuteri DSM 17938 may help infants with constipation. Limited evidence suggests that administration of a fiber supplement is more effective than placebo for the treatment of childhood constipation., (Copyright © 2013 S. Karger AG, Basel.)

A number of metagenomic analyses providing knowledge of the human microbiome have yielded data on the differences between healthy and diseased individuals. Microbiota manipulation, such as through the administration of probiotics, may potentially contribute to improved health outcomes. The objective of this review was to summarize the most recent data on the use of probiotics to treat or prevent diseases in pediatrics. MEDLINE and The Cochrane Database of Systematic Reviews were searched in September 2012 for randomized controlled trials or their meta-analyses published in the last 3 years. To provide examples of current research interests, the focus of the search was on well-studied, common pediatric conditions as well as on some chronic diseases for which the benefits of gut microbiota manipulation are only in the early stages., (Copyright © 2013 Nestec Ltd., Vevey/S. Karger AG, Basel.)

Background: A lack of safe and reliable treatments for abdominal pain-related functional gastrointestinal disorders (FGIDs) has prompted interest in new therapies., Aim: To systematically evaluate the effect of dietary fibers for treating abdominal pain-related FGIDs in children., Methods: In December 2011, MEDLINE, EMBASE and the Cochrane Library were searched for randomized controlled trials (RCTs) evaluating fiber supplementation in children with FGIDs., Results: Only 3 RCTs were identified, which enrolled a total of 167 children and adolescents (5–17 years old) with recurrent abdominal pain. Only 1 study used the Rome III criteria. Patients were supplemented with different dietary fiber types for 4–6 weeks. The use of dietary fibers did not influence the proportion of responders to treatment, and improvement did not occur in reported clinically relevant outcomes such as no pain or a significant decrease in pain intensity (risk ratio 1.17, 95% confidence interval 0.75–1.81)., Conclusion: There is no evidence that supplementation with fiber as a dietary manipulation may be useful for treating children with FGIDs. However, one should not overlook the fact that the main limitation for recommendation of the routine fiber use in clinical practice derives from the weak quality and paucity of available studies.

Background: A lack of reliable treatments for abdominal pain-related functional gastrointestinal disorders prompts interest in new therapies., Aim: To evaluate systematically the effect of Lactobacillus rhamnosus GG (LGG) for treating abdominal pain-related functional gastrointestinal disorders in children., Methods: MEDLINE, EMBASE, CINAHL, the Cochrane Library, trial registries and proceedings of major meetings were searched for randomised controlled trials (RCTs) evaluating LGG supplementation in children with abdominal pain-related functional gastrointestinal disorders based on the Rome II or Rome III criteria. Risk of bias was assessed for generation of the allocation sequence, allocation concealment, blinding and follow-up., Results: Compared with placebo, LGG supplementation was associated with a significantly higher rate of treatment responders (defined as no pain or a decrease in pain intensity) in the overall population with abdominal pain-related functional gastrointestinal disorders (three RCTs, n = 290; risk ratio, RR 1.31, 95% CI 1.08-1.59, number needed to treat, NNT 7, 95% CI 4-22) and in the irritable bowel syndrome (IBS) subgroup (three RCTs, n = 167; RR 1.70, 95% CI 1.27-2.27, NNT 4, 95% CI 3-8). However, no difference was found in the rate of treatment responders between children with functional abdominal pain or functional dyspepsia who received placebo or LGG. The intensity of pain was significantly reduced in the overall study population and in the IBS subgroup. The frequency of pain was significantly reduced in the IBS subgroup only., Conclusion: The use of Lactobacillus rhamnosus GG moderately increases treatment success in children with abdominal pain-related functional gastrointestinal disorders, particularly among children with IBS., (© 2011 Blackwell Publishing Ltd.)

The rationale for the use of probiotics in the management of infectious diseases is supported by their potential to influence and stabilize the composition of gut microbiota, enhance colonization resistance, and modulate immune function parameters. A literature review was conducted to determine the efficacy of using probiotics in selected infections: 1) infectious diarrhea in infants and children, 2) traveler's diarrhea, 3) necrotizing enterocolitis in infants, 4) Helicobacter pylori infection, 5) respiratory tract infections in adults and children, 6) ear, nose, and throat infections, and 7) infectious complications in surgical and critically ill patients. The different types of infections that have been subject to clinical studies with different probiotics obviously prevent any generic conclusions. Furthermore, the lack of consistency among studies focusing on 1 specific infection, in study design, applied probiotic strains, outcome parameters, and study population, along with the still limited number of studies, preclude clear and definite conclusions on the efficacy of probiotics and illustrate the need for better-aligned study designs and methodology. Exceptions were the management of infectious diarrhea in infants and traveler's diarrhea, antibiotic-associated diarrhea, and necrotizing enterocolitis. Sufficient consistent data exist for these applications to conclude that certain probiotics, under certain conditions, and in certain target populations, are beneficial in reducing the risk of infection. In addition, some evidence exists, although conclusions are premature, for the management of Helicobacter pylori infection and possible reduction of treatment side effects. Certain probiotics may also reduce the risk of various symptoms of respiratory tract infections in adults and children, including ear, nose, and throat infections, although data are currently far too limited to distill any clinical recommendations in this area. Positive but also negative results have been obtained in prevention of infectious complications in surgical and critically ill patients. For future studies it is recommended that researchers provide adequate power, identify pathogens, and report both clinical outcomes and immune biomarkers relating to putative underlying mechanisms.

The use of probiotics, once discussed primarily in the context of alternative medicine, is now entering mainstream medicine. However, only a few of the potential health benefits attributed to probiotics have been confirmed in well-designed, well-conducted, randomized, controlled trials. This is especially true in the pediatric population. We review here the available evidence on efficacy of probiotics in children in the prevention and treatment of gastrointestinal diseases. Although we restrict our analysis to the pediatric age, whenever potentially relevant information is available only from adult studies, they are examined as well. Probiotics have been most extensively studied in the treatment of diarrheal diseases, where their efficacy can be considered well established. Studies documenting effects in other childhood gastrointestinal illnesses are few, although some preliminary results are promising. Furthermore, only a limited number of probiotic strains have been tested, and, as the effects of different probiotic microorganisms are not equivalent, results cannot be generalized. Thus, at present, we have some positive certainties, lots of exciting promises and many unanswered questions.

Serologic tests for the detection of Salmonella serotype Enteritidis in children may become supplementary to stool culture examination. A total of 190 children were examined with a new 1-step, 2-minute test (TUBEX) that detects anti-Salmonella immunoglobulin M antibodies, which was found to be 92.6% sensitive and 94.8% specific (P<.0001).

Aliment Pharmacol Ther 2011; 34: 1079-1087 Summary Background In children, healthcare-associated diarrhoea, in particular, due to rotavirus, may prolong the hospital stay and increase medical costs, prompting interest in effective, low-cost, preventive strategies. Aim To review systematically data on the efficacy of administering Lactobacillus rhamnosus GG (LGG) for the prevention of healthcare-associated diarrhoea. Methods MEDLINE, EMBASE, Health Source: Nursing/Academic Edition, the Cochrane Library, trial registries and proceedings of major meetings were systematically searched for randomised controlled trials (RCTs) performed in children aged 1 month to 18 years that compared administration of LGG with placebo or no intervention. Two reviewers assessed studies for inclusion and risk of bias and extracted the data. Outcome measures included the incidences of healthcare-associated diarrhoea and rotavirus gastroenteritis. If appropriate, meta-analyses were carried out using the fixed effects model. Results Three RCTs involving 1092 children were included. Compared with placebo, LGG administration for the duration of hospital stay was associated with significantly lower rates of diarrhoea (two RCTs, n = 823, relative risk, RR 0.37, 95% confidence interval, CI 0.23-0.59) and symptomatic rotavirus gastroenteritis (three RCTs, n = 1043, RR 0.49, 95% CI 0.28-0.86). There was no significant difference between the LGG and the control groups in the incidence of asymptomatic rotavirus infection, duration of hospitalisation or duration of diarrhoea. LGG was well tolerated, and no harms were reported in any of the trials. Conclusion In hospitalised children, the administration of Lactobacillus rhamnosus GG compared with placebo has the potential to reduce the overall incidence of healthcare-associated diarrhoea, including rotavirus gastroenteritis. [ABSTRACT FROM AUTHOR]

A letter to the editor is presented which gave an update of the meta-analysis of randomized controlled trial for Saccharomyces Boulardii as an effective treatment for acute gastroenteritis in children.

A reply to a letter to the editor is presented in response to an article about the use of ondansetron for vomiting in gastroenteritis in children.