1
|
Mokhtar AB, Karanis P, Schou C, Ahmed SA. The impact of chlorine, ultraviolet-C, and microwave treatment on the survivability of Blastocystis sp. cysts. JOURNAL OF WATER AND HEALTH 2023; 21:1325-1341. [PMID: 37756199 PMCID: wh_2023_179 DOI: 10.2166/wh.2023.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Blastocystis sp. is a common widely distributed gut protozoan, with water transmission identified as one of its transmission routes. This study aimed to investigate the effect of chlorine, ultraviolet (UV)-C, and microwave (MW) treatments on the in vitro viability of cysts of Blastocystis sp. Purified Blastocystis sp. cysts were molecularly subtyped. Viable cysts were subjected to different free chlorine concentrations (1, 2, and 4 ppm), different doses of UV-C (5.13, 10.26, 20.52, and 40.47 mJ/cm2), and MW irradiation times (10, 15, 30, and 45 s). Viability reduction percentage, log10 inactivation, and micrometre-based optical microscopy examined cyst number and appearance after each disinfection trial. The three disinfectants' efficacy and application conditions were assessed. The analysed isolates of Blastocystis cysts were subtype 3, possessed varying sizes and shapes, but two identical genomes. The cysts of Blastocystis sp. were resistant to chlorine at all doses and exposure durations tested. UV-C at a dose of 40 mJ/cm2 and MW treatment for 15 s were able to completely disinfect the cysts. The MW was the most effective disinfectant against Blastocystis cysts based on all evaluated factors. MW irradiation is the most efficient water treatment method for eradicating Blastocystis cysts in an easy and safe manner.
Collapse
Affiliation(s)
- Amira B Mokhtar
- Department of Medical Parasitology, Faculty of Medicine, Suez Canal University, Ismailia 415221, Egypt; These authors have contributed equally to this work. E-mail:
| | - Panagiotis Karanis
- Medical Faculty and University Hospital, University of Cologne, Cologne, Germany; Department of Basic and Clinical Sciences, University of Nicosia Medical School, 24005, CY-1700 Nicosia, Cyprus
| | - Chad Schou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 24005, CY-1700 Nicosia, Cyprus
| | - Shahira A Ahmed
- Department of Medical Parasitology, Faculty of Medicine, Suez Canal University, Ismailia 415221, Egypt; These authors have contributed equally to this work
| |
Collapse
|
2
|
Shulman RJ, Devaraj S, Heitkemper M. Activation of the Innate Immune System in Children With Irritable Bowel Syndrome Evidenced by Increased Fecal Human β-Defensin-2. Clin Gastroenterol Hepatol 2021; 19:2121-2127. [PMID: 32961343 PMCID: PMC8041153 DOI: 10.1016/j.cgh.2020.09.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The role of the innate immune system in functional gastrointestinal pain disorders is unclear. We investigated the role of β-defensin-2 and gut permeability in childhood irritable bowel syndrome (IBS) and functional abdominal pain (FAP) symptom generation. METHODS Fecal β-defensin-2 (and in a subset, gut permeability) was measured in children with IBS (n = 116), FAP (n = 33), and healthy control (HC) children (n = 72). IBS and FAP patients were recruited from tertiary and primary care, and HCs were recruited from primary care. RESULTS β-defensin-2 concentration was greater in children with IBS (P = .003) and FAP (P = .03) than in HCs. β-defensin-2 was greater in girls with IBS than female HCs (P = .007) and in girls with IBS vs boys with IBS (P = .036). There was no difference by sex in the FAP and HC groups. For the entire cohort, β-defensin-2 correlated with multiple pain symptoms. In the IBS group, β-defensin-2 correlated with pain interference (P = .014). No correlation with pain was found in the FAP or HC group. Gut permeability was greater in the IBS vs the FAP and HC groups (P = .038). For the entire cohort, permeability correlated with the number of pain episodes (P = .041) and interfering pain episodes (P = .049). For the entire cohort there was a correlation between β-defensin-2 and permeability (P = .003), with borderline correlation in the IBS group (P = .086). For the cohort and IBS and HC groups, the number of bowel movements was modestly inversely related to fecal β-defensin-2 concentrations. CONCLUSIONS Increased fecal β-defensin-2 concentration in children with IBS suggests activation of the innate immune system in some, which, along with increased gut permeability, appears related to abdominal pain symptoms. Sex is an important variable in interpreting β-defensin-2 concentration in children with IBS.
Collapse
Affiliation(s)
- Robert J Shulman
- Department of Pediatrics; Children's Nutrition Research Center; Texas Children's Hospital; Baylor College of Medicine, Houston, Texas.
| | - Sridevi Devaraj
- Texas Children's Hospital; Baylor College of Medicine, Houston, Texas; Department of Pathology and Immunology
| | | |
Collapse
|
3
|
Boonma P, Shapiro JM, Hollister EB, Badu S, Wu Q, Weidler EM, Abraham BP, Devaraj S, Luna RA, Versalovic J, Heitkemper MM, Savidge TC, Shulman RJ. Probiotic VSL#3 Treatment Reduces Colonic Permeability and Abdominal Pain Symptoms in Patients With Irritable Bowel Syndrome. FRONTIERS IN PAIN RESEARCH 2021; 2:691689. [PMID: 35295488 PMCID: PMC8915646 DOI: 10.3389/fpain.2021.691689] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Little is known regarding the clinical impact of treatment and treatment duration of probiotic VSL#3 on gut and microbiome function in irritable bowel syndrome (IBS). As part of a safety trial, we assessed the effect of VSL#3 treatment duration on abdominal pain, stooling, gut permeability, microbiome composition and function. Methods: Adults with IBS were randomized into an open label trial to receive the probiotic VSL#3 for 4 or 8 weeks. Adverse events, abdominal pain, and stooling patterns were recorded daily. Gut permeability, fecal bile acid levels, and microbiome composition were profiled at baseline and after treatment. Results: Fifteen subjects completed the trial (4-week: n = 8; 8-week: n = 7). Number of pain episodes decreased in both groups (P = 0.049 and P = 0.034; 4- vs. 8-week, respectively). Probiotic organisms contained in VSL#3 were detected in feces by whole shotgun metagenomic sequencing analysis and relative abundances of Streptococcus thermophilus, Bifidobacterium animalis, Lactobacillus plantarum, and Lactobacillus casei subsp. paraccasei correlated significantly with improved abdominal pain symptoms and colonic permeability at study completion. Although abdominal pain correlated significantly with the detection of probiotic species at study completion, a composite view of gut microbiome structure showed no changes in community diversity or composition after VSL#3 treatment. Conclusions: Probiotic organisms identified in stool correlated significantly with improvement in colonic permeability and clinical symptoms, prompting future studies to investigate the mechanistic role of VSL#3 and colonic permeability in IBS pathophysiology in a larger randomized controlled trial. Clinical Trial Registration:www.clinicaltrials.gov, Identifier: NCT00971711.
Collapse
Affiliation(s)
- Prapaporn Boonma
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
- Faculty of Medicine, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Jordan M. Shapiro
- Department of Medicine, Baylor College of Medicine,Houston, TX, United States
| | - Emily B. Hollister
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Shyam Badu
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Qinglong Wu
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Erica M. Weidler
- Center for Pediatric Abdominal Pain Research, Texas Children's Hospital, Houston, TX, United States
- Children's Nutrition Research Center, Houston, TX, United States
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, United States
| | - Bincy P. Abraham
- Division of Gastroenterology, Houston Methodist Hospital, Houston, TX, United States
| | - Sridevi Devaraj
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Ruth Ann Luna
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - James Versalovic
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Margaret M. Heitkemper
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, WA, United States
| | - Tor C. Savidge
- Department of Pathology, Texas Children's Microbiome Center, Texas Children's Hospital, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
| | - Robert J. Shulman
- Center for Pediatric Abdominal Pain Research, Texas Children's Hospital, Houston, TX, United States
- Children's Nutrition Research Center, Houston, TX, United States
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, United States
- *Correspondence: Robert J. Shulman
| |
Collapse
|
4
|
Chumpitazi BP, Palermo TM, Hollier JM, Self MM, Czyzewski D, Weidler EM, Heitkemper M, Shulman RJ. Multisite Pain Is Highly Prevalent in Children with Functional Abdominal Pain Disorders and Is Associated with Increased Morbidity. J Pediatr 2021; 236:131-136. [PMID: 33940018 PMCID: PMC8403143 DOI: 10.1016/j.jpeds.2021.04.059] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/06/2021] [Accepted: 04/27/2021] [Indexed: 12/19/2022]
Abstract
OBJECTIVES To characterize the types of multisite pain experienced by children with functional abdominal pain disorders (FAPDs) and to examine differences in psychosocial distress, functional disability, and health-related quality of life in children with multisite pain vs abdominal pain alone. STUDY DESIGN Cross-sectional study of children ages 7-17 years (n = 406) with pediatric Rome III FAPDs recruited from both primary and tertiary care between January 2009 and June 2018. Subjects completed 14-day pain and stool diaries, as well as validated questionnaires assessing abdominal and nonabdominal pain symptoms, anxiety, depression, functional disability, and health-related quality of life. RESULTS In total, 295 (73%) children endorsed at least 1 co-occurring nonabdominal pain, thus, were categorized as having multisite pain with the following symptoms: 172 (42%) headaches, 143 (35%) chest pain, 134 (33%) muscle soreness, 110 (27%) back pain, 94 (23%) joint pain, and 87 (21%) extremity (arms and legs) pain. In addition, 200 children (49%) endorsed 2 or more nonabdominal pain symptoms. Participants with (vs without) multisite pain had significantly higher abdominal pain frequency (P < .001) and severity (P = .03), anxiety (P < .001), and depression (P < .001). Similarly, children with multisite pain (vs without) had significantly worse functional disability (P < .001) and health-related quality of life scores (P < .001). Increasing number of multisite pain sites (P < .001) was associated with increased functional disability when controlling for demographic and other clinical factors. CONCLUSIONS In children with FAPDs, nonabdominal multisite pain is highly prevalent and is associated with increased psychosocial distress, abdominal pain frequency and severity, functional disability, and lower health-related quality of life.
Collapse
Affiliation(s)
- Bruno P. Chumpitazi
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Children’s Nutrition Research Center, United States Department of Agriculture, Houston, TX USA
| | - Tonya M. Palermo
- Center for Child Health, Behavior and Development, Seattle Children’s Research Institute, Seattle, WA USA,Department of Anesthesiology and Pain Medicine, University of Washington, Seattle WA
| | - John M. Hollier
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Mariella M. Self
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Danita Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Children’s Nutrition Research Center, United States Department of Agriculture, Houston, TX USA
| | - Margaret Heitkemper
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, WA USA
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Children’s Nutrition Research Center, United States Department of Agriculture, Houston, TX USA
| |
Collapse
|
5
|
Jansen J, Shulman R, Ward TM, Levy R, Self MM. Sleep disturbances in children with functional gastrointestinal disorders: demographic and clinical characteristics. J Clin Sleep Med 2021; 17:1193-1200. [PMID: 33590819 PMCID: PMC8314671 DOI: 10.5664/jcsm.9166] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 12/13/2022]
Abstract
STUDY OBJECTIVES Research indicates a deleterious effect of sleep disturbances on pain and illness-related functioning across pediatric populations. Sleep problems in youth with functional gastrointestinal disorders (FGIDs) are understudied, despite studies in adult FGIDs indicating sleep disruptions increase pain and symptom severity. This study sought to better characterize sleep problems in school-age children with FGIDs and to assess relationships with demographic characteristics and gastrointestinal symptoms. METHODS Sixty-seven children with FGIDs (pediatric Rome IV criteria) and 59 parents completed questionnaires assessing sleep problems, and children completed a 2-week pain/stooling diary. Sleep problems in this sample were compared with published normative samples, and children above and below the clinical cutoff were compared on demographics and FGID symptoms. RESULTS Of the sample, 61% were above the clinical cutoff for sleep disturbances, with significantly greater bedtime resistance, sleep onset delay, sleep duration, and daytime sleepiness than the comparison group. Children above the clinical cutoff reported greater mean abdominal pain severity and pain interference. Relative to White participants, Black/African-American participants were more likely to be above the clinical cutoff and indicated more frequent night wakening and symptoms of sleep-disordered breathing, but lower maximum and overall mean abdominal pain severity. CONCLUSIONS Sleep problems in children with FGIDs are common and related to greater day-to-day abdominal pain severity and pain interference. Results suggest sleep-pain relationships may differ across racial/ethnic groups. Assessing sleep in children with FGIDs is important, and further research is needed to assess underlying mechanisms and evaluate sleep as a potential treatment target in this population.
Collapse
Affiliation(s)
- Jennifer Jansen
- Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| | - Robert Shulman
- Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| | | | - Rona Levy
- University of Washington, Seattle, Washington
| | - Mariella M. Self
- Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| |
Collapse
|
6
|
Hollier JM, Czyzewski DI, Self MM, Liu Y, Weidler EM, van Tilburg MA, Varni JW, Shulman RJ. Associations of Abdominal Pain and Psychosocial Distress Measures With Health-Related Quality-of-Life in Pediatric Healthy Controls and Irritable Bowel Syndrome. J Clin Gastroenterol 2021; 55:422-428. [PMID: 32554991 PMCID: PMC7738355 DOI: 10.1097/mcg.0000000000001373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 05/11/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Children with irritable bowel syndrome (IBS) have lower health-related quality-of-life (HRQOL) than healthy controls (HC). Abdominal pain and psychosocial distress are negatively associated with HRQOL, although their relative effect is unclear. AIM The aim of this study was to compare the relative associations of abdominal pain and psychosocial distress with HRQOL in HC and IBS. STUDY Baseline abdominal pain, psychosocial distress, and HRQOL measures were obtained from HC and IBS pediatric clinical trial participants. Regression assessed which measures were most strongly associated with Physical and Psychosocial HRQOL separately by group. Interaction analyses examined group differences in the associations of abdominal pain and psychosocial distress with HRQOL. RESULTS Eight-five HC and 213 children with IBS participated. Somatization was most strongly associated with Physical HRQOL in HC, and functional disability was most strongly related in IBS. With respect to Psychosocial HRQOL, somatization was most strongly associated for both HC and IBS; depression was also significantly associated in HC. The strength of association between somatization and Physical HRQOL differed between groups; the negative association was less pronounced for IBS than HC. The association between functional disability and both Physical and Psychosocial HRQOL differed significantly between groups; the negative associations were more pronounced for IBS than HC. CONCLUSIONS Multiple psychosocial distress measures, including somatization, were associated with HRQOL in children with IBS; HRQOL in HC was driven consistently by somatization, to the exclusion of other psychosocial concerns. The associations of somatization and functional disability with HRQOL are distinctly different between HC and IBS. This knowledge supports utilization of psychosocial interventions to improve overall well-being for children with IBS.
Collapse
Affiliation(s)
- John M. Hollier
- Department of Pediatrics, Section of Gastroenterology,
Hepatology, and Nutrition, Baylor College of Medicine, Houston, Texas, United States
of America
- Texas Children’s Hospital, Houston, Texas, United
States of America
| | - Danita I. Czyzewski
- Texas Children’s Hospital, Houston, Texas, United
States of America
- Department of Pediatrics, Section of Psychology, Baylor
College of Medicine, Houston, Texas, United States of America
| | - Mariella M. Self
- Texas Children’s Hospital, Houston, Texas, United
States of America
- Department of Pediatrics, Section of Psychology, Baylor
College of Medicine, Houston, Texas, United States of America
| | - Yan Liu
- Department of Medicine, Section of Gastroenterology and
Hepatology, Baylor College of Medicine, Houston, Texas, United States of
America
| | - Erica M. Weidler
- Department of Pediatrics, Section of Gastroenterology,
Hepatology, and Nutrition, Baylor College of Medicine, Houston, Texas, United States
of America
- United States Department of Agriculture/Agricultural
Research Service Children’s Nutrition Research Center, Houston, Texas, United
States of America
| | - Miranda A.L. van Tilburg
- Department of Clinical Research, College of Pharmacy &
Health Sciences, Campbell University, Buies Creek, North Carolina, United States of
America
- Department of Medicine, University of North Carolina,
Chapel Hill, North Carolina, United States of America
- School of Social Work, University of Washington, Seattle,
Washington, United States of America
| | - James W. Varni
- Department of Pediatrics and Department of Landscape
Architecture and Urban Planning, Texas A&M University, College Station, Texas,
United States of America
| | - Robert J. Shulman
- Department of Pediatrics, Section of Gastroenterology,
Hepatology, and Nutrition, Baylor College of Medicine, Houston, Texas, United States
of America
- Texas Children’s Hospital, Houston, Texas, United
States of America
- United States Department of Agriculture/Agricultural
Research Service Children’s Nutrition Research Center, Houston, Texas, United
States of America
| |
Collapse
|
7
|
Shulman RJ, Devaraj S, Heitkemper M. Gut permeability is affected by sex and increased in children with irritable bowel syndrome but not in functional abdominal pain. Neurogastroenterol Motil 2020; 32:e13765. [PMID: 31820520 PMCID: PMC7050934 DOI: 10.1111/nmo.13765] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/28/2019] [Accepted: 10/30/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Gut permeability is increased in some children and adults with irritable bowel syndrome (IBS). We investigated whether this also is true for children with functional abdominal pain (FAP). We also determined whether sex affected permeability results. METHODS Sucrose, lactulose, mannitol, and sucralose were ingested after an overnight fast in well-phenotyped children with IBS (n = 95), FAP (n = 25), and healthy controls (HC) (n = 60). Urine was collected for 24 hours. Percent sucrose recovery was calculated based on the 0- to 3-hour collection; lactulose/mannitol ratio both on the 0- to 3-hour and 0- to 24-hour collections; and percent sucralose recovery on the 0- to 24-hours collection. KEY RESULTS Age was similar among the groups (P = .26). The lactulose/mannitol ratio was increased in IBS compared with HC at 0-3 and 0-24 hours (P = .023, P = .05, respectively). Percent sucralose recovery was greater in FAP than in HC (P = .045). No differences were noted among the groups in percent sucrose recovery. Taking sex into account, percent sucrose recovery was greater in girls with IBS vs HC girls (P = .008). The lactulose/mannitol ratio was greater in boys with IBS compared with HC boys at both time points (both P = .02). Percent sucralose recovery was greater in boys with IBS than in FAP or HC (both P < .001). CONCLUSIONS AND INFERENCES Sex is a critically important factor when measuring gut permeability. Boys with IBS have increased lactulose/mannitol ratios and percent sucralose recovery. Girls with IBS have increased percent recovery of sucrose. Children with FAP do not demonstrate abnormal gut 0permeability even taking sex into account.
Collapse
Affiliation(s)
- Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX,Children’s Nutrition Research Center, Baylor College of Medicine, Houston, TX,Texas Children’s Hospital, Baylor College of Medicine, Houston, TX
| | - Sridevi Devaraj
- Texas Children’s Hospital, Baylor College of Medicine, Houston, TX,Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX
| | | |
Collapse
|
8
|
McOmber M, Rafati D, Cain K, Devaraj S, Weidler EM, Heitkemper M, Shulman RJ. Increased Gut Permeability in First-degree Relatives of Children with Irritable Bowel Syndrome or Functional Abdominal Pain. Clin Gastroenterol Hepatol 2020; 18:375-384.e1. [PMID: 31100459 PMCID: PMC6854304 DOI: 10.1016/j.cgh.2019.05.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 04/30/2019] [Accepted: 05/06/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Increased gut permeability might contribute to the pathogenesis of irritable bowel syndrome or functional abdominal pain (IBS or FAP). We investigated whether siblings and parents of children with IBS or FAP have increased gut permeability. METHODS We performed permeability tests (using sucrose, lactulose, mannitol, and sucralose) on 29 siblings and 43 parents of children with IBS or FAP, and 43 children (controls) and 42 parents of controls, from primary and secondary care. Permeability studies were repeated in 7 siblings and 37 parents of children with IBS or FAP and 23 controls and 36 parents of controls following ingestion of 400 mg of ibuprofen. Percent recovery of sucrose was calculated based on analyses of urine collected overnight; the lactulose/mannitol ratio and percent recovery of sucralose were based on analyses of urine samples collected over a 24-hour period. RESULTS When we controlled for age, sex, and family membership, siblings of children with IBS or FAP had increased small bowel permeability (urinary lactulose/mannitol ratio) vs controls (P = .004). There was no difference in gastroduodenal (percent sucrose recovery) or colonic (percent sucralose recovery) permeability between groups. Similarly, parents of children with IBS or FAP also had increased small bowel permeability, compared with parents of controls (P = .015), with no differences in gastric or colonic permeability. After administration of ibuprofen, gastroduodenal and small bowel permeability tended to be greater in IBS or FAP siblings (P = .08) and gastroduodenal permeability tended to be greater in IBS or FAP parents (P = .086). CONCLUSIONS Siblings and parents of children with IBS or FAP have increased baseline small intestinal permeability compared with control children and their parents. These results indicate that there are familial influences on gastrointestinal permeability in patients with IBS or FAP.
Collapse
Affiliation(s)
- Mark McOmber
- Department of Pediatrics, Phoenix Children's Hospital, Phoenix, Arizona
| | - Danny Rafati
- Cook Children's Health Care System, Fort Worth, Texas
| | - Kevin Cain
- University of Washington, Seattle, Washington
| | - Sridevi Devaraj
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Erica M Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital, Houston, Texas; Children's Nutrition Research Center, Houston, Texas
| | | | - Robert J Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital, Houston, Texas; Children's Nutrition Research Center, Houston, Texas.
| |
Collapse
|
9
|
Hollister EB, Oezguen N, Chumpitazi BP, Luna RA, Weidler EM, Rubio-Gonzales M, Dahdouli M, Cope JL, Mistretta TA, Raza S, Metcalf GA, Muzny DM, Gibbs RA, Petrosino JF, Heitkemper M, Savidge TC, Shulman RJ, Versalovic J. Leveraging Human Microbiome Features to Diagnose and Stratify Children with Irritable Bowel Syndrome. J Mol Diagn 2019; 21:449-461. [PMID: 31005411 PMCID: PMC6504675 DOI: 10.1016/j.jmoldx.2019.01.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 10/30/2018] [Accepted: 01/06/2019] [Indexed: 02/06/2023] Open
Abstract
Accurate diagnosis and stratification of children with irritable bowel syndrome (IBS) remain challenging. Given the central role of recurrent abdominal pain in IBS, we evaluated the relationships of pediatric IBS and abdominal pain with intestinal microbes and fecal metabolites using a comprehensive clinical characterization and multiomics strategy. Using rigorous clinical phenotyping, we identified preadolescent children (aged 7 to 12 years) with Rome III IBS (n = 23) and healthy controls (n = 22) and characterized their fecal microbial communities using whole-genome shotgun metagenomics and global unbiased fecal metabolomic profiling. Correlation-based approaches and machine learning algorithms identified associations between microbes, metabolites, and abdominal pain. IBS cases differed from controls with respect to key bacterial taxa (eg, Flavonifractor plautii and Lachnospiraceae bacterium 7_1_58FAA), metagenomic functions (eg, carbohydrate metabolism and amino acid metabolism), and higher-order metabolites (eg, secondary bile acids, sterols, and steroid-like compounds). Significant associations between abdominal pain frequency and severity and intestinal microbial features were identified. A random forest classifier built on metagenomic and metabolic markers successfully distinguished IBS cases from controls (area under the curve, 0.93). Leveraging multiple lines of evidence, intestinal microbes, genes/pathways, and metabolites were associated with IBS, and these features were capable of distinguishing children with IBS from healthy children. These multi-omics features, and their links to childhood IBS coupled with nutritional interventions, may lead to new microbiome-guided diagnostic and therapeutic strategies.
Collapse
Affiliation(s)
- Emily B Hollister
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Diversigen, Inc., Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Numan Oezguen
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Bruno P Chumpitazi
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Texas Children's Hospital, Houston, Texas
| | - Ruth Ann Luna
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Erica M Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Texas Children's Hospital, Houston, Texas; Children's Nutrition Research Center, Houston, Texas
| | - Michelle Rubio-Gonzales
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Mahmoud Dahdouli
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Julia L Cope
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Toni-Ann Mistretta
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Sabeen Raza
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Ginger A Metcalf
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Donna M Muzny
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Richard A Gibbs
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
| | - Joseph F Petrosino
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas; Alkek Center for Metagenomics and Microbiome Research, Baylor College of Medicine, Houston, Texas
| | - Margaret Heitkemper
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, Washington
| | - Tor C Savidge
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas
| | - Robert J Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Section of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Texas Children's Hospital, Houston, Texas; Children's Nutrition Research Center, Houston, Texas
| | - James Versalovic
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas; Texas Children's Microbiome Center, Texas Children's Hospital, Houston, Texas; Department of Pathology, Texas Children's Hospital, Houston, Texas; Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas.
| |
Collapse
|
10
|
Fisher K, Hutcheon D, Ziegler J. Elimination of Fermentable Carbohydrates to Reduce Gastrointestinal Symptoms in Pediatric Patients With Irritable Bowel Syndrome: A Narrative Review. Nutr Clin Pract 2019; 35:231-245. [PMID: 30937981 DOI: 10.1002/ncp.10269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Irritable bowel syndrome (IBS) is classified as a functional gastrointestinal (GI) disorder characterized by abdominal pain, bloating, and changes in bowel function. Although the pathophysiology of IBS is incompletely understood, fermentable carbohydrates are implicated as a potential cause of symptoms. An elimination diet, such as a low-FODMAP (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols) diet, represents a potential intervention for reducing GI symptoms in patients with IBS. The role of fermentable carbohydrates in symptom onset is well studied in adult patients with IBS; however, less research exists in the pediatric population. This review sought to explore evidence for the role of dietary fermentable carbohydrate elimination to reduce GI symptoms (abdominal pain, stool changes, abdominal bloating) in children and adolescents (4-19 years of age) diagnosed with IBS based on Rome III or IV criteria. Five studies of neutral to positive quality rating were identified and analyzed using the Academy of Nutrition and Dietetics Evidence Analysis Process. These studies demonstrate that dietary elimination of fermentable carbohydrates, such as through a low-FODMAP diet, reduces the severity of 1 or more GI symptoms in about one-quarter to one-half of pediatric patients with IBS. Patients without improvement are considered "nonresponders" and may require an alternative intervention. More research is needed to establish the best way to identify patients who would respond to elimination diets vs other IBS treatment strategies.
Collapse
Affiliation(s)
- Kelly Fisher
- Department of Clinical and Preventive Nutrition Sciences, School of Health Professions, Rutgers University, Newark, New Jersey, USA
| | - Deborah Hutcheon
- Department of Clinical and Preventive Nutrition Sciences, School of Health Professions, Rutgers University, Newark, New Jersey, USA
| | - Jane Ziegler
- Department of Clinical and Preventive Nutrition Sciences, School of Health Professions, Rutgers University, Newark, New Jersey, USA
| |
Collapse
|
11
|
Baranguán Castro ML, Ros Arnal I, García Romero R, Rodríguez Martínez G, Ubalde Sainz E. Implementation of a low FODMAP diet for functional abdominal pain. An Pediatr (Barc) 2019. [DOI: 10.1016/j.anpede.2018.02.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
|
12
|
Hollier JM, van Tilburg MA, Liu Y, Czyzewski DI, Self MM, Weidler EM, Heitkemper M, Shulman RJ. Multiple psychological factors predict abdominal pain severity in children with irritable bowel syndrome. Neurogastroenterol Motil 2019; 31:e13509. [PMID: 30549152 PMCID: PMC6651721 DOI: 10.1111/nmo.13509] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/03/2018] [Accepted: 10/16/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Anxiety and depression are implicated as contributors to abdominal pain in pediatric irritable bowel syndrome (IBS) but is unclear if this pain is associated with other psychological factors. The study objective was to test if the impact of anxiety or depression on IBS symptom severity is mediated by somatization and/or pain catastrophizing. METHODS We utilized baseline data from local pediatric IBS clinical studies. Through mediation analysis, we assessed whether somatization or pain catastrophizing mediated (either independently or combined) the separate relationships of anxiety or depression with IBS abdominal pain severity. KEY RESULTS We analyzed 261 participants. All psychological factors were positively correlated with one another and IBS abdominal pain severity. The association of anxiety with IBS abdominal pain was mediated by both somatization and pain catastrophizing in individual analyses (each mediated standardized coefficient [β] 0.11, CI 0.05-0.18) and in multiple analysis (mediated standardized β 0.18, CI 0.09-0.27). The association of depression with IBS abdominal pain was also mediated by somatization (mediated standardized β 0.08, CI0.02-0.14) and pain catastrophizing (mediated standardized β 0.06, CI 0.01-0.11) in individual analyses and in multiple analysis (mediated standardized β 0.19, CI 0.04-0.19). CONCLUSIONS AND INFERENCES Somatization and pain catastrophizing mediate the relationships between anxiety/depression and IBS abdominal pain severity. These findings suggest that somatization and pain catastrophizing may be better treatment targets than anxiety and depression. Clinicians should assess these psychological factors in pediatric IBS patients and refer for intervention to improve outcomes.
Collapse
Affiliation(s)
- John M. Hollier
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America,Texas Children’s Hospital, Houston, Texas, United States of America
| | - Miranda A.L. van Tilburg
- Department of Clinical Research, College of Pharmacy & Health Sciences, Campbell University, Buies Creek, North Carolina, United States of America,Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America,School of Social Work, University of Washington, Seattle, Washington, United States of America
| | - Yan Liu
- Department of Medicine, Section of Gastroenterology and Hepatology, Baylor College of Medicine, Houston, Texas, United States of America
| | - Danita I. Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America,Texas Children’s Hospital, Houston, Texas, United States of America
| | - Mariella M. Self
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America,Texas Children’s Hospital, Houston, Texas, United States of America
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America,United States Department of Agriculture/Agricultural Research Service, Children’s Nutrition Research Center, Houston, Texas, United States of America
| | - Margaret Heitkemper
- Department of Biobehavioral Nursing and Health Systems, University of Washington, Seattle, Washington
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, United States of America,Texas Children’s Hospital, Houston, Texas, United States of America,United States Department of Agriculture/Agricultural Research Service, Children’s Nutrition Research Center, Houston, Texas, United States of America
| |
Collapse
|
13
|
Shulman RJ, Öhman L, Stridsberg M, Cain K, Simrén M, Heitkemper M. Evidence of increased fecal granins in children with irritable bowel syndrome and correlates with symptoms. Neurogastroenterol Motil 2019; 31:e13486. [PMID: 30298961 PMCID: PMC6296885 DOI: 10.1111/nmo.13486] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/30/2018] [Accepted: 09/07/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Granins have been implicated in the pathophysiology of irritable bowel syndrome (IBS) in adults. We sought to determine whether fecal granins are altered in children with IBS and associated with symptoms. METHODS Children (7-12 years of age) with IBS and healthy controls (HC) kept daily pain and stool diaries for 2 weeks. Stool samples were analyzed for chromogranins A and B (CgA, CgB) and secretogranins II and III (SgII, SgIII). Children also completed psychological measures to assess anxiety, depression, somatization, and internalizing symptoms. KEY RESULTS Fecal CgB and SgIII concentrations were higher in all the boys (IBS plus HC, n = 48) than in all the girls (IBS plus HC, n = 75) (P = 0.02 and P = 0.046, respectively). CgA and SgIII were greater in children with IBS (n = 52) vs HC (n = 69) (P = 0.01, P = 0.017, respectively). CgB and SgII did not differ between groups. In children with IBS, the number of pain episodes per week and mean daily pain rating correlated positively with all four granins. The number of stools per day correlated positively with CgB and SgII, and the percent of diarrheal stools (6 or 7 on the Bristol Scale) correlated inversely with all four granins in boys but not in girls. Fecal granins did not correlate with psychological measures. CONCLUSIONS AND INFERENCES As measured by fecal granins, there is evidence of neuroimmune activation in children with IBS. Granins are related to abdominal pain symptoms, stooling frequency, and stool form in children with IBS. Sex influences the fecal concentration of CgB and SgIII.
Collapse
Affiliation(s)
- Robert J. Shulman
- Children’s Nutrition Research Center, Baylor College of Medicine, Department of Pediatrics, Houston, TX
| | - Lena Öhman
- University of Gothenburg, Göteborg, Sweden
| | | | | | | | | |
Collapse
|
14
|
[Implementation of a low FODMAP diet for functional abdominal pain]. An Pediatr (Barc) 2018; 90:180-186. [PMID: 29685830 DOI: 10.1016/j.anpedi.2018.02.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 02/23/2018] [Accepted: 02/27/2018] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION The low FODMAP diet (fermentable oligosaccharides, monosaccharides, disaccharides, and polyols) has shown to be effective in adult patients with irritable bowel syndrome, but there are few studies on paediatric patients. The aim of this study is to assess the implementation and the outcomes of a low FODMAP diet in the treatment of functional abdominal pain in children from a Mediterranean area. MATERIAL AND METHODS A table was designed in which foods were classified according to their FODMAP content, as well as a 'Symptoms and Stools Diary'. A prospective study was conducted on children with functional abdominal pain in our Paediatric Gastroenterology Unit. RESULTS A total of 22 patients were enrolled in the trial, and 20 completed it. Data were collected of the abdominal pain features over a period of 3 days, and then patients followed a two-week low FODMAP diet. Afterwards, information about abdominal pain features was collected again. After the diet, they showed fewer daily abdominal pain episodes compared to baseline (1.16 [IQR: 0.41-3.33] versus 2 [IQR: 1.33-6.33] daily episodes, P=.024), less pain severity compared to baseline (1.41cm [IQR: 0.32-5.23] versus 4.63cm [IQR: 2.51-6.39] measured by 10-cm Visual Analogue Scale, P=.035), less interference with daily activities, and less gastrointestinal symptoms. Only 15% of patients found it difficult to follow the diet. CONCLUSIONS The implementation of a low FODMAP diet for 2 weeks in a Mediterranean paediatric population diagnosed with functional abdominal pain is possible with adapted diets. It was highly valued by patients, and they showed an improvement in abdominal pain symptoms assessed by objective methods.
Collapse
|
15
|
Uusijärvi A, Olén O, Malmborg P, Eriksson M, Grimheden P, Arnell H. Combining Rome III criteria with alarm symptoms provides high specificity but low sensitivity for functional gastrointestinal disorders in children. Acta Paediatr 2018; 107:1635-1641. [PMID: 29486063 DOI: 10.1111/apa.14297] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/18/2018] [Accepted: 02/21/2018] [Indexed: 12/19/2022]
Abstract
AIM This study aimed to validate the Rome III criteria and alarm symptoms with regard to their ability to discriminate between organic and functional diagnoses in children with gastrointestinal complaints. METHODS We recruited 258 children aged four years to 17 years who consulted a paediatrician in secondary or tertiary care in Stockholm from January 2013 to May 2014 due to gastrointestinal complaints. A symptom questionnaire based on the official Questionnaire on Pediatric Gastrointestinal Symptoms Rome III, including questions on alarm symptoms, was used. A diagnostic review of their medical records was also carried out. RESULTS The reference diagnoses were organic (16%), pain-predominant functional gastrointestinal disorders (54%) and other functional diseases (30%). When the reported symptoms that fulfilled the Rome III criteria for pain-predominant functional gastrointestinal disorders were combined with an absence of alarm symptoms, they had a high specificity (0.90) for a functional diagnosis, but a low sensitivity (0.15). Alarm symptoms were equally common in patients with organic (83%) and functional diseases (80%, p = 0.66). CONCLUSIONS Combining the Rome III criteria and an absence of alarm symptoms from patient questionnaires had high specificity but low sensitivity when diagnosing pain-predominant functional gastrointestinal disorders in children seeking medical care for gastrointestinal complaints.
Collapse
Affiliation(s)
- Agneta Uusijärvi
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Ola Olén
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs' Children's Hospital, Stockholm, Sweden
- Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Petter Malmborg
- Sachs' Children's Hospital, Stockholm, Sweden
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Martina Eriksson
- Diagnostic Radiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | | | - Henrik Arnell
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
| |
Collapse
|
16
|
Chumpitazi BP, McMeans AR, Vaughan A, Ali A, Orlando S, Elsaadi A, Shulman RJ. Fructans Exacerbate Symptoms in a Subset of Children With Irritable Bowel Syndrome. Clin Gastroenterol Hepatol 2018; 16:219-225.e1. [PMID: 28970147 PMCID: PMC5794652 DOI: 10.1016/j.cgh.2017.09.043] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 09/15/2017] [Accepted: 09/24/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Dietary fructans exacerbate symptoms in some, but not all, adults with irritable bowel syndrome (IBS). We sought to determine whether fructans worsen symptoms in children with IBS and whether clinical and psychosocial factors, and/or gas production, can identify those who are fructan sensitive. METHODS We performed a double-blind placebo-controlled (maltodextrin) cross-over trial of 23 children with IBS, based on pediatric Rome III criteria, from September 2014 through December 2016. At baseline, participants completed 1-week pain and stool diaries and a 3-day food record and psychosocial factors (depression, anxiety, and somatization) were measured. Subjects were randomly assigned to groups that were provided meals for 72 hours containing either fructans or maltodextrin (0.5 g/kg; maximum, 19 g). Following a washout period of 10 days or more, the subjects received the meal they were not given during the first study period (crossed over). Gastrointestinal symptoms and breath hydrogen and methane production were captured during each meal period. Fructan sensitivity was defined as an increase of 30% or more in abdominal pain frequency following fructan ingestion. RESULTS Subjects had more mean episodes of abdominal pain/day during the fructan-containing diet (3.4 ± 2.6) vs the maltodextrin-containing diet (2.4 ± 1.7) (P < .01), along with more severe bloating (P < .05) and flatulence (P = .01). Hydrogen (but not methane) production was greater while subjects were on the fructan-containing diet (617 ± 305 ppm∗h) than the maltodextrin-containing diet (136 ± 78 ppm*h) (P < .001). Eighteen subjects (78.2%) had more frequent abdominal pain while on the fructan-containing diet and 12 (52.2%) qualified as fructan sensitive. We found no difference between fructan-sensitive and fructan-insensitive subjects in baseline abdominal pain or bowel movement characteristics, dietary intake, psychosocial parameters, IBS subtype, or gas production. CONCLUSIONS In a randomized controlled trial of children with IBS, we found fructans to exacerbate several symptoms. However, fructan sensitivity cannot be identified based on baseline gastrointestinal symptoms, dietary intake, psychosocial factors, or gas production. Clinicaltrials.gov no: NCT02842281.
Collapse
Affiliation(s)
| | | | - Adetola Vaughan
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Amna Ali
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Shannon Orlando
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Ali Elsaadi
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Robert Jay Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Children's Nutrition Research Center, Houston, Texas
| |
Collapse
|
17
|
Harper A, Naghibi MM, Garcha D. The Role of Bacteria, Probiotics and Diet in Irritable Bowel Syndrome. Foods 2018; 7:E13. [PMID: 29373532 PMCID: PMC5848117 DOI: 10.3390/foods7020013] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 01/18/2018] [Accepted: 01/24/2018] [Indexed: 12/12/2022] Open
Abstract
Irritable bowel syndrome is a highly prevalent gastrointestinal disorder that threatens the quality of life of millions and poses a substantial financial burden on healthcare systems around the world. Intense research into the human microbiome has led to fascinating discoveries which directly and indirectly implicate the diversity and function of this occult organ in irritable bowel syndrome (IBS) pathophysiology. The benefit of manipulating the gastrointestinal microbiota with diet and probiotics to improve symptoms has been demonstrated in a wealth of both animal and human studies. The positive and negative mechanistic roles bacteria play in IBS will be explored and practical probiotic and dietary choices offered.
Collapse
Affiliation(s)
- Ashton Harper
- Protexin, Medical Affairs, Probiotics International Ltd., Lopen Head, Somerset TA13 5JH, UK.
| | - Malwina M Naghibi
- Protexin, Medical Affairs, Probiotics International Ltd., Lopen Head, Somerset TA13 5JH, UK.
| | - Davinder Garcha
- Protexin, Medical Affairs, Probiotics International Ltd., Lopen Head, Somerset TA13 5JH, UK.
| |
Collapse
|
18
|
Lactulose Breath Test Gas Production in Childhood IBS Is Associated With Intestinal Transit and Bowel Movement Frequency. J Pediatr Gastroenterol Nutr 2017; 64:541-545. [PMID: 27276436 PMCID: PMC5145773 DOI: 10.1097/mpg.0000000000001295] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES In adults with irritable bowel syndrome (IBS), bacterial gas production (colonic fermentation) is related to both symptom generation and intestinal transit. Whether gas production affects symptom generation, psychosocial distress, or intestinal transit in childhood IBS is unknown. METHODS Children (ages 7-17 years) with pediatric Rome III IBS completed validated psychosocial questionnaires and a 2-week daily diary capturing pain and stooling characteristics. Stool form determined IBS subtype. Subjects then completed a 3-hour lactulose breath test for measurement of total breath hydrogen and methane production. Carmine red was used to determine whole intestinal transit time. RESULTS A total of 87 children (mean age 13 ± 2.6 [standard deviation] years) were enrolled, of whom 50 (57.5%) were girls. All children produced hydrogen and 51 (58.6%) produced methane. Hydrogen and methane production did not correlate with either abdominal pain frequency/severity or psychosocial distress. Hydrogen and methane production did not differ significantly by IBS subtype. Methane production correlated positively with whole intestinal transit time (r = 0.31, P < 0.005) and inversely with bowel movement frequency (r = -0.245, P < 0.05). Methane production (threshold 3 ppm) as a marker for identifying IBS-C had a sensitivity of 60% and specificity of 42.9%. CONCLUSIONS Lactulose breath test total methane production may serve as a biomarker of whole intestinal transit time and bowel movement frequency in children with IBS. In children with IBS, lactulose breath test hydrogen and methane production did not, however, correlate with abdominal pain, IBS subtype, or psychosocial distress.
Collapse
|
19
|
Pediatric Irritable Bowel Syndrome Patient and Parental Characteristics Differ by Care Management Type. J Pediatr Gastroenterol Nutr 2017; 64:391-395. [PMID: 27111343 PMCID: PMC5074915 DOI: 10.1097/mpg.0000000000001246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES This study evaluates whether certain patient or parental characteristics are associated with gastroenterology (GI) referral versus primary pediatrics care for pediatric irritable bowel syndrome (IBS). METHODS A retrospective clinical trial sample of patients meeting pediatric Rome III IBS criteria was assembled from a single metropolitan health care system. Baseline socioeconomic status (SES) and clinical symptom measures were gathered. Various instruments measured participant and parental psychosocial traits. Study outcomes were stratified by GI referral versus primary pediatrics care. Two separate analyses of SES measures and GI clinical symptoms and psychosocial measures identified key factors by univariate and multiple logistic regression analyses. For each analysis, identified factors were placed in unadjusted and adjusted multivariate logistic regression models to assess their impact in predicting GI referral. RESULTS Of the 239 participants, 152 were referred to pediatric GI, and 87 were managed in primary pediatrics care. Of the SES and clinical symptom factors, child self-assessment of abdominal pain duration and lower percentage of people living in poverty were the strongest predictors of GI referral. Among the psychosocial measures, parental assessment of their child's functional disability was the sole predictor of GI referral. In multivariate logistic regression models, all selected factors continued to predict GI referral in each model. CONCLUSIONS Socioeconomic environment, clinical symptoms, and functional disability are associated with GI referral. Future interventions designed to ameliorate the effect of these identified factors could reduce unnecessary specialty consultations and health care overutilization for IBS.
Collapse
|
20
|
Childhood Irritable Bowel Syndrome Characteristics Are Related to Both Sex and Pubertal Development. J Pediatr 2017; 180:141-147.e1. [PMID: 27639531 PMCID: PMC5183501 DOI: 10.1016/j.jpeds.2016.08.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 07/11/2016] [Accepted: 08/12/2016] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To determine the relationship of both pubertal development and sex to childhood irritable bowel syndrome (IBS) clinical characteristics including gastrointestinal symptoms (eg, abdominal pain) and psychological factors. STUDY DESIGN Cross-sectional study with children ages 7-17 years (n = 143) with a pediatric Rome III IBS diagnosis recruited from both primary and tertiary clinics between January 2009 and January 2014. Subjects completed 14-day prospective pain and stool diaries, as well as validated questionnaires assessing several psychological factors (somatization, depression, anxiety) and Tanner stage. Stool form ratings were completed using the Bristol Stool Form Scale. RESULTS Girls with higher Tanner scores (more mature pubertal development) had both decreased pain severity and pain interference; in contrast, boys with higher Tanner scores had both increasing pain severity (β = 0.40, P = .02) and pain interference (β = 0.16, P = .02). Girls (vs boys), irrespective of pubertal status, had both increased somatic complaints (P = .005) and a higher percentage (P = .01) of hard (Bristol Stool Form Scale type 1 or 2) stools. Pubertal status and sex did not significantly relate to IBS subtype, pain frequency, stooling frequency, anxiety, or depression. CONCLUSIONS In children with IBS, both pubertal development and/or sex are associated with abdominal pain severity, stool form, and somatization. These differences provide insight into the role of pubertal maturation during the transition from childhood to adult IBS.
Collapse
|
21
|
Weidler EM, Self MM, Czyzewski DI, Shulman RJ, Chumpitazi BP. Stooling Characteristics in Children With Irritable Bowel Syndrome. Clin Gastroenterol Hepatol 2017; 15:140-141. [PMID: 27567692 PMCID: PMC5161651 DOI: 10.1016/j.cgh.2016.08.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 08/11/2016] [Accepted: 08/15/2016] [Indexed: 02/07/2023]
Affiliation(s)
- EM Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
,Children’s Nutrition Research Center, Houston, TX, USA
| | - MM Self
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
,Menninger Department of Psychiatry, Baylor College of Medicine, Houston, TX USA
| | - DI Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
,Menninger Department of Psychiatry, Baylor College of Medicine, Houston, TX USA
| | - RJ Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
,Children’s Nutrition Research Center, Houston, TX, USA
| | - BP Chumpitazi
- Department of Pediatrics, Baylor College of Medicine, Houston, TX USA
| |
Collapse
|
22
|
Brown LK, Beattie RM, Tighe MP. Practical management of functional abdominal pain in children. Arch Dis Child 2016; 101:677-83. [PMID: 26699533 DOI: 10.1136/archdischild-2014-306426] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 11/04/2015] [Indexed: 01/18/2023]
Abstract
Functional abdominal pain (FAP) is common in childhood, but is not often caused by disease. It is often the impact of the pain rather than the pain itself that results in referral to the clinician. In this review, we will summarise the currently available evidence and discuss the functional dimensions of the presentation, within the framework of commonly expressed parental questions. Using the Rome III criteria, we discuss how to classify the functional symptoms, investigate appropriately, provide reassurance regarding parental worries of chronic disease. We outline how to explain the functional symptoms to parents and an individualised strategy to help restore function.
Collapse
Affiliation(s)
- L K Brown
- Department of Paediatric, Poole Hospital NHS Trust, Poole, Dorset, UK
| | - R M Beattie
- Department of Child Health, University Hospital Southampton, Southampton, UK
| | - M P Tighe
- Department of Paediatric, Poole Hospital NHS Trust, Poole, Dorset, UK
| |
Collapse
|
23
|
Self-Perceived Food Intolerances Are Common and Associated with Clinical Severity in Childhood Irritable Bowel Syndrome. J Acad Nutr Diet 2016; 116:1458-1464. [PMID: 27316779 DOI: 10.1016/j.jand.2016.04.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 04/26/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND Adults with irritable bowel syndrome (IBS) frequently identify foods as exacerbating their gastrointestinal symptoms. In children with IBS, the prevalence of perceived food intolerances and their impact are unknown. OBJECTIVE Our aim was to determine the prevalence of self-perceived food intolerances and the relationship of these intolerances to abdominal pain, psychosocial distress, and quality of life in children with IBS. DESIGN We conducted a cross-sectional study. Questionnaire and prospective diary data were collected from 2008 to 2014 by trained research coordinators. PARTICIPANTS/SETTING Participants were children 7 to 18 years old (pediatric Rome III IBS, n=154; age-sex matched healthy children, n=32) in Houston, TX. MEASURES Perceived food intolerances and avoided foods were captured using the Childhood Food and Symptom Association Questionnaire. IBS severity was assessed by a ≥7-day pain diary and validated psychosocial questionnaires assessing quality of life, somatization, functional disability, depression, and anxiety. STATISTICAL ANALYSES PERFORMED We used descriptive Spearman bivariate correlation, χ(2), and Poisson log-linear generalized model with Wald χ(2) statistics. RESULTS A greater proportion of children with IBS (143 of 154 [92.9%]) vs healthy children (20 of 32 [62.5%]) identified at least one self-perceived food intolerance (χ(2)=22.5; P<0.001). Children with IBS identified a greater number (median=4 [25% to 75% quartile=2 to 6]) of perceived symptom-inducing foods than healthy children (median=2 [25% to 75% quartile=0 to 4]; χ(2)=28.6; P<0.001). Children with IBS avoided more foods (median=2 [25% to 75% quartile=1 to 4]) than healthy children (median=0 [25% to 75% quartile=0 to 2.75]; χ(2)=20.8; P<0.001). The number of self-perceived food intolerances was weakly associated (r value range= -0.17 to 0.21) with pain frequency, pain severity, somatization, anxiety, functional disability, and decreased quality of life. CONCLUSIONS Children with IBS have a high prevalence of self-perceived food intolerances. The number of these intolerances is weakly associated with measures of IBS severity.
Collapse
|
24
|
Czyzewski DI, Self MM, Williams AE, Weidler EM, Blatz AM, Shulman RJ. Maintenance of Pain in Children With Functional Abdominal Pain. J Pediatr Gastroenterol Nutr 2016; 62:393-8. [PMID: 26301615 PMCID: PMC4761339 DOI: 10.1097/mpg.0000000000000947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES A significant proportion of children with functional abdominal pain develop chronic pain. Identifying clinical characteristics predicting pain persistence is important in targeting interventions. We examined whether child anxiety and/or pain-stooling relations were related to maintenance of abdominal pain frequency and compared the predictive value of 3 methods for assessing pain-stooling relations (ie, diary, parent report, child report). METHODS Seventy-six children (7-10 years old at baseline) who presented for medical treatment of functional abdominal pain were followed up 18 to 24 months later. Baseline anxiety and abdominal pain-stooling relations based on pain and stooling diaries and child- and parent questionnaires were examined in relationship to the persistence of abdominal pain frequency. RESULTS Children's baseline anxiety was not related to persistence of pain frequency. Children who, however, displayed irritable bowel syndrome (IBS) symptoms at baseline maintained pain frequency at follow-up, whereas in children in whom there was no relationship between pain and stooling, pain frequency decreased. Pain and stool diaries and parent report of pain-stooling relations were predictive of pain persistence but child-report questionnaires were not. CONCLUSIONS The presence of IBS symptoms in school-age children with functional abdominal pain appears to predict persistence of abdominal pain over time, whereas anxiety does not. Prospective pain and stooling diaries and parent report of IBS symptoms were predictors of pain maintenance, but child report of symptoms was not.
Collapse
Affiliation(s)
- Danita I. Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| | - Mariella M. Self
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
| | - Amy E. Williams
- Indiana University School of Medicine & Riley Child and Adolescent Psychiatry Clinic, Indianapolis, Indiana
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
- Children’s Nutrition Research Center, Houston, Texas
| | - Allison M. Blatz
- George Washington School of Medicine and Health Sciences, Washington, D.C
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas
- Texas Children’s Hospital, Houston, Texas
- Children’s Nutrition Research Center, Houston, Texas
| |
Collapse
|
25
|
Chumpitazi BP, Cope JL, Hollister EB, Tsai CM, McMeans AR, Luna RA, Versalovic J, Shulman RJ. Randomised clinical trial: gut microbiome biomarkers are associated with clinical response to a low FODMAP diet in children with the irritable bowel syndrome. Aliment Pharmacol Ther 2015; 42:418-27. [PMID: 26104013 PMCID: PMC4514898 DOI: 10.1111/apt.13286] [Citation(s) in RCA: 263] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 05/13/2015] [Accepted: 05/30/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND A low fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAP) diet can ameliorate symptoms in adult irritable bowel syndrome (IBS) within 48 h. AIM To determine the efficacy of a low FODMAP diet in childhood IBS and whether gut microbial composition and/or metabolic capacity are associated with its efficacy. METHODS In a double-blind, crossover trial, children with Rome III IBS completed a 1-week baseline period. They then were randomised to a low FODMAP diet or typical American childhood diet (TACD), followed by a 5-day washout period before crossing over to the other diet. GI symptoms were assessed with abdominal pain frequency being the primary outcome. Baseline gut microbial composition (16S rRNA sequencing) and metabolic capacity (PICRUSt) were determined. Metagenomic biomarker discovery (LEfSe) compared Responders (≥50% decrease in abdominal pain frequency on low FODMAP diet only) vs. Nonresponders (no improvement during either intervention). RESULTS Thirty-three children completed the study. Less abdominal pain occurred during the low FODMAP diet vs. TACD [1.1 ± 0.2 (SEM) episodes/day vs. 1.7 ± 0.4, P < 0.05]. Compared to baseline (1.4 ± 0.2), children had fewer daily abdominal pain episodes during the low FODMAP diet (P < 0.01) but more episodes during the TACD (P < 0.01). Responders were enriched at baseline in taxa with known greater saccharolytic metabolic capacity (e.g. Bacteroides, Ruminococcaceae, Faecalibacterium prausnitzii) and three Kyoto Encyclopedia of Genes and Genomes orthologues, of which two relate to carbohydrate metabolism. CONCLUSIONS In childhood IBS, a low FODMAP diet decreases abdominal pain frequency. Gut microbiome biomarkers may be associated with low FODMAP diet efficacy. ClinicalTrials.gov identifier: NCT01339117.
Collapse
Affiliation(s)
- B P Chumpitazi
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - J L Cope
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
- Texas Children's Microbiome Center, Department of Pathology, Texas Children's Hospital, Houston, TX, USA
| | - E B Hollister
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
- Texas Children's Microbiome Center, Department of Pathology, Texas Children's Hospital, Houston, TX, USA
| | - C M Tsai
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - A R McMeans
- Children's Nutrition Research Center, Houston, TX, USA
| | - R A Luna
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
- Texas Children's Microbiome Center, Department of Pathology, Texas Children's Hospital, Houston, TX, USA
| | - J Versalovic
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
- Texas Children's Microbiome Center, Department of Pathology, Texas Children's Hospital, Houston, TX, USA
| | - R J Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
- Children's Nutrition Research Center, Houston, TX, USA
| |
Collapse
|
26
|
Srinath AI, Youk AO, Bielefeldt K. Biliary dyskinesia and symptomatic gallstone disease in children: two sides of the same coin? Dig Dis Sci 2014; 59:1307-15. [PMID: 24715545 PMCID: PMC4113830 DOI: 10.1007/s10620-014-3126-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 03/18/2014] [Indexed: 12/15/2022]
Abstract
BACKGROUND Despite lack of consensus criteria, biliary dyskinesia (BD) is an increasingly accepted pediatric diagnosis. AIMS We compared patient characteristics, outcomes, and resource utilization (before and after surgery) between children with BD and symptomatic cholecystolithiasis (LITH). METHODS Data from the electronic medical record were abstracted for children diagnosed with BD or LITH between December 1, 2002, and November 30, 2012, at Children's Hospital of Pittsburgh. RESULTS Four hundred and ten patients were identified (BD: 213 patients, LITH: 197 patients). Patients with BD had significantly lower BMI, longer symptom duration, more dyspeptic symptoms, and were more likely to present with other symptoms. Forty-one patients (13.8%) with BD underwent cholecystectomy despite a normal gallbladder ejection fraction (GB-EF). In 32 of these, sincalide triggered pain compared to 75 of the 155 patients with low GB-EF. After surgery, patients with BD more commonly visited gastroenterology clinics and had more GI-related hospitalizations, while emergency room visits decreased in both groups. Only the nature of biliary disease independently predicted continuing pain after surgery, which in turn was the best predictor for higher resource utilization after cholecystectomy. CONCLUSIONS A large percentage of children with BD did not meet the adult diagnostic standards. Compared to those with LITH, children with BD have more widespread symptoms and continue to use more clinical resources after surgery. These findings suggest that despite its benign prognosis, BD is increasingly treated like other potentially acute gallbladder diseases, although it has the typical phenotype of FGIDs and should be treated using approaches used in such disorders.
Collapse
Affiliation(s)
- Arvind I. Srinath
- Division of Pediatric Gastroenterology, Children’s Hospital of Pittsburgh of University of Pittsburgh Medical Center (UPMC), 4401 Penn Avenue, Pittsburgh, PA 15224, USA
| | - Ada O. Youk
- Department of Biostatistics, University of Pittsburgh, 4200 Fifth Avenue, Pittsburgh, PA 15213, USA
| | - Klaus Bielefeldt
- Division of Gastroenterology, University of Pittsburgh Medical Center (UPMC), 200 Lothrop Street, Pittsburgh, PA 15213, USA
| |
Collapse
|
27
|
Abstract
Biliary dyskinesia (BD) is a diagnosis that is being made increasingly in children. It is defined by abdominal pain thought to be biliary in nature based on location and character; a completely normal gallbladder on imaging tests, typically ultrasound; and decreased gallbladder contraction in response to a pharmacological stimulus. Unlike other functional gastrointestinal disorders (FGIDs) that are treated with medications, behavioral therapy, and/or dietary modification, current clinical practice has accepted cholecystectomy as the treatment of choice for BD, which now accounts for up to 50% of cholecystectomies in children. Although well-designed trials are missing, accumulating evidence argues against such an approach. First, BD is by definition a benign disorder without risk of truly relevant complications. Second, despite reportedly high rates of satisfaction with postoperative outcomes, most children continue to experience symptoms. Lastly, limited long-term studies have demonstrated comparable benefit of operative and conservative therapy. To summarize, BD should be seen as a more localized manifestation of functional abdominal pain, which may improve over time independent of the type of therapy chosen. Despite the widespread adoption of minimally invasive surgery in pediatrics, a different risk-benefit ratio favors conservative treatment for this benign disorder.
Collapse
|
28
|
Chumpitazi BP, Hollister EB, Oezguen N, Tsai CM, McMeans AR, Luna RA, Savidge TC, Versalovic J, Shulman RJ. Gut microbiota influences low fermentable substrate diet efficacy in children with irritable bowel syndrome. Gut Microbes 2014; 5:165-75. [PMID: 24637601 PMCID: PMC4063841 DOI: 10.4161/gmic.27923] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
We sought to determine whether a low fermentable substrate diet (LFSD) decreases abdominal pain frequency in children with irritable bowel syndrome (IBS) and to identify potential microbial factors related to diet efficacy. Pain symptoms, stooling characteristics, breath hydrogen and methane, whole intestinal transit time, stool microbiome, and metabolite composition were collected and/or documented in eight children with IBS at baseline and during one week of an LFSD intervention. Pain frequency (P<0.05), pain severity (P<0.05), and pain-related interference with activities (P<0.05) decreased in the subjects while on the LFSD. Responders vs. non-responders: four children (50%) were identified as responders (> 50% decrease in abdominal pain frequency while on the LFSD). There were no differences between responders and non-responders with respect to hydrogen production, methane production, stooling characteristics, or gut transit time. Responders were characterized by increased pre-LFSD abundance of bacterial taxa belonging to the genera Sporobacter (P<0.05) and Subdoligranulum (P<0.02) and decreased abundance of taxa belonging to Bacteroides (P<0.05) relative to non-responders. In parallel, stool metabolites differed between responders and non-responders and were associated with differences in microbiome composition. These pilot study results suggest that an LFSD may be effective in decreasing GI symptoms in children with IBS. Microbial factors such as gut microbiome composition and stool metabolites while on the diet may relate to LFSD efficacy.
Collapse
Affiliation(s)
- Bruno P Chumpitazi
- Department of Pediatrics; Baylor College of Medicine; Houston, TX USA,Section of Pediatric Gastroenterology, Hepatology, and Nutrition; Texas Children’s Hospital; Houston, TX USA,Correspondence to: Bruno P Chumpitazi,
| | - Emily B Hollister
- Department of Pathology and Immunology; Baylor College of Medicine; Houston, TX USA,Texas Children’s Microbiome Center; Department of Pathology; Texas Children’s Hospital; Houston, TX USA
| | - Numan Oezguen
- Department of Pathology and Immunology; Baylor College of Medicine; Houston, TX USA,Texas Children’s Microbiome Center; Department of Pathology; Texas Children’s Hospital; Houston, TX USA
| | - Cynthia M Tsai
- Department of Pediatrics; Baylor College of Medicine; Houston, TX USA,Section of Pediatric Gastroenterology, Hepatology, and Nutrition; Texas Children’s Hospital; Houston, TX USA
| | - Ann R McMeans
- Children’s Nutrition Research Center; Houston, TX USA
| | - Ruth A Luna
- Department of Pathology and Immunology; Baylor College of Medicine; Houston, TX USA,Texas Children’s Microbiome Center; Department of Pathology; Texas Children’s Hospital; Houston, TX USA
| | - Tor C Savidge
- Department of Pathology and Immunology; Baylor College of Medicine; Houston, TX USA,Texas Children’s Microbiome Center; Department of Pathology; Texas Children’s Hospital; Houston, TX USA
| | - James Versalovic
- Department of Pediatrics; Baylor College of Medicine; Houston, TX USA,Department of Pathology and Immunology; Baylor College of Medicine; Houston, TX USA,Texas Children’s Microbiome Center; Department of Pathology; Texas Children’s Hospital; Houston, TX USA
| | - Robert J Shulman
- Department of Pediatrics; Baylor College of Medicine; Houston, TX USA,Section of Pediatric Gastroenterology, Hepatology, and Nutrition; Texas Children’s Hospital; Houston, TX USA,Children’s Nutrition Research Center; Houston, TX USA
| |
Collapse
|
29
|
Di Nardo G, Barbara G, Cucchiara S, Cremon C, Shulman RJ, Isoldi S, Zecchi L, Drago L, Oliva S, Saulle R, Barbaro MR, Stronati L. Neuroimmune interactions at different intestinal sites are related to abdominal pain symptoms in children with IBS. Neurogastroenterol Motil 2014; 26:196-204. [PMID: 24304324 DOI: 10.1111/nmo.12250] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 09/23/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND Neuroimmune interactions and inflammation have been proposed as factors involved in sensory-motor dysfunction and symptom generation in adult irritable bowel syndrome (IBS) patients. In children with IBS and healthy controls, we measured ileocolonic mast cell infiltration and fecal calprotectin and evaluated the relationships between these parameters and abdominal pain symptoms and stooling pattern. METHODS Irritable bowel syndrome patients diagnosed according to Pediatric Rome III criteria and healthy controls kept a 2-week pain/stooling diary. Ileocolonic mucosal mast cells (MC) and MC in close proximity to nerve fibers (MC-NF) were identified immunohistochemically and quantified. Fecal calprotectin concentration was measured. KEY RESULTS 21 IBS patients and 10 controls were enrolled. The MC-NF count was significantly higher in the ileum (p = 0.01), right colon (p = 0.04), and left colon (p < 0.001) of IBS patients compared with controls. No differences in fecal calprotectin concentration were noted. Abdominal pain intensity score correlated with ileal MC count (r(s) = 0.47, p = 0.030) and right colon MC-NF count (r(s) = 0.52, p = 0.015). In addition, children with IBS with >3 abdominal pain episodes/week had greater ileal (p = 0.002) and right colonic (p = 0.01) MC counts and greater ileal (p = 0.05) and right colonic (p = 0.016) MC-NF counts than children with less frequent pain. No relationship was found between MC and MC-NF and fecal calprotectin or stooling pattern. CONCLUSIONS & INFERENCES Mast cells-nerve fibers counts are increased in the ileocolonic mucosa of children with IBS. Mast cells and MC-NF counts are related to the intensity and frequency of abdominal pain.
Collapse
Affiliation(s)
- G Di Nardo
- Department of Pediatrics, Pediatric Gastroenterology Unit, "Sapienza" University of Rome, Rome, Italy
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
30
|
Williams AE, Czyzewski DI, Self MM, Shulman RJ. Are child anxiety and somatization associated with pain in pain-related functional gastrointestinal disorders? J Health Psychol 2013; 20:369-79. [PMID: 24155191 DOI: 10.1177/1359105313502564] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
This study investigated individual and incremental contributions of somatization and trait anxiety to pain report in children with pain-related functional gastrointestinal disorders. Eighty children (7-10 years) with pain-related functional gastrointestinal disorders completed the State-Trait Anxiety Inventory for Children, the Children's Somatization Inventory, and 2-week pain diaries (assessing pain frequency and maximum pain). Hierarchical regressions indicated that both trait anxiety and somatization were significantly related to maximum pain and pain frequency, with somatization explaining more variance. Trait anxiety did not significantly add to prediction above somatization. Assessment of somatization may assist with treatment planning for children with functional abdominal pain.
Collapse
Affiliation(s)
| | | | - Mariella M Self
- Baylor College of Medicine, USA Texas Children's Hospital, USA
| | - Robert J Shulman
- Baylor College of Medicine, USA Texas Children's Hospital, USA Children's Nutrition Research Center, USA
| |
Collapse
|
31
|
Chumpitazi BP, Mysore K, Tsai CMW, Shulman RJ. Interprovider variation of celiac disease testing in childhood chronic abdominal pain. BMC Gastroenterol 2013; 13:150. [PMID: 24124697 PMCID: PMC3852708 DOI: 10.1186/1471-230x-13-150] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 10/02/2013] [Indexed: 11/13/2022] Open
Abstract
Background To determine within one tertiary care center: 1) the variation between providers in testing for celiac disease in children with chronic abdominal pain; 2) the characteristics of those children who were more likely to be tested, and 3) the prevalence of celiac disease in those evaluated. Methods Retrospective review of children with a primary complaint of chronic abdominal pain referred to a tertiary care children’s hospital for pediatric gastroenterology evaluation over a 2-year period was conducted. Children with at least two visits and without an identified organic etiology for the pain were included. Results 160 children were evaluated by 16 pediatric gastroenterologists and one nurse practitioner. Celiac serologic testing was completed in 63 (39.4%) children. There was no significant variance in the frequency of celiac serologic testing between providers. Child age, gender, body mass index, and baseline gastrointestinal symptoms did not predict whether celiac serologic testing occurred, though Caucasians (P < 0.01) were more likely to be tested. Eighty-two (51.3%) children underwent either serologic testing and/or esophagogastroduodenoscopy. Four (4.9%, 95% CI: 1.6-11.3%) of the 82 tested were diagnosed with celiac disease. Conclusions Though interprovider variation for celiac disease testing in children with chronic abdominal pain did not occur, a large number of these children were not evaluated for celiac disease. Children’s race/ethnicity but not their associated gastrointestinal symptoms predicted whether celiac testing was undertaken. In those tested, celiac disease was identified in a higher percentage than that expected in the general population.
Collapse
Affiliation(s)
- Bruno Pedro Chumpitazi
- Section of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA.
| | | | | | | |
Collapse
|
32
|
van Tilburg MAL, Squires M, Blois-Martin N, Leiby A, Langseder A. Test of the child/adolescent Rome III criteria: agreement with physician diagnosis and daily symptoms. Neurogastroenterol Motil 2013; 25:302-e246. [PMID: 23216900 DOI: 10.1111/nmo.12056] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Establishment of the Rome criteria advanced diagnosis of children with Functional Gastrointestinal Disorders. The criteria were overhauled in 2006, but these revisions were never systematically tested. The aim of the current study was to assess psychometric properties of the childhood Rome III criteria and determine how well they agree with physician diagnoses and daily symptoms. METHODS A total of N = 135 families from two pediatric gastroenterology clinics completed the Questionnaire on Pediatric Gastrointestinal Symptoms (QPGS- RIII). Half of the families completed the QPGS-RIII again in 2 weeks, the other half completed 2-week daily diaries. Children above the age of 10 also provided data (N = 64). Physician diagnoses were obtained from the medical records. KEY RESULTS Diagnoses: The most common diagnoses per child/parent report were Irritable Bowel Syndrome (IBS; 43-47%) and Abdominal Migraine (26-36%). The most frequent physician diagnoses were Functional Constipation (FC; 53%) and Functional Abdominal Pain (FAP; 29%). Reliability: Moderate to substantial agreement was found between baseline and 2-week follow-up for most diagnoses (kappa = .19-.78) and between parent and child reports (kappa = -.04-.64). VALIDITY There was low agreement between QPGS-RIII and physician diagnosis (kappa =-.02-.34) as well as diaries (kappa = .06-30). CONCLUSIONS & INFERENCES The Rome criteria have reasonable test-retest reliability and seem to be inclusive, as the majority of children obtain a diagnosis. However, validity is still an issue: The Rome criteria do not overlap well with physician diagnosis or daily symptoms. These issues will need to be addressed in future revisions of the Rome criteria.
Collapse
Affiliation(s)
- M A L van Tilburg
- University of North Carolina, Center for Functional GI and Motility Disorders, Chapel Hill, NC 27599-7080, USA.
| | | | | | | | | |
Collapse
|
33
|
Jarrett M, Heitkemper M, Czyzewski D, Zeltzer L, Shulman RJ. Autonomic nervous system function in young children with functional abdominal pain or irritable bowel syndrome. THE JOURNAL OF PAIN 2012; 13:477-84. [PMID: 22520688 DOI: 10.1016/j.jpain.2012.02.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 02/16/2012] [Accepted: 02/21/2012] [Indexed: 02/08/2023]
Abstract
UNLABELLED Adults with irritable bowel syndrome (IBS) have been reported to have alterations in autonomic nervous system function as measured by vagal activity via heart rate variability. Whether the same is true for children is unknown. We compared young children 7 to 10 years of age with functional abdominal pain (FAP) or IBS to healthy children (HC) and explored the relationship of vagal activity and sympathovagal balance to psychological distress and stool type. Children completed questionnaires, kept a 2-week pain/stool diary, and wore a 24-hour Holter monitor to assess vagal activity. Group comparisons on vagal activity were controlled for age and body mass index. Indicators of vagal activity and sympathovagal balance did not differ between FAP/IBS children (70 girls, 30 boys) and HC (44 girls, 18 boys). Psychological distress measures were generally higher in FAP/IBS than HC, primarily in girls. Exploratory analyses suggest a potential negative correlation between vagal activity and psychological distress in FAP/IBS girls but not boys. In contrast to reports in women, no differences were found in vagal activity between FAP/IBS and HC. Preliminary findings suggest that in girls with FAP/IBS there is an inverse relationship between vagal activity and psychological distress. PERSPECTIVE The results from this study suggest a possible relationship between emotional state and vagal activity in prepubertal girls (but not boys) with FAP/IBS. Age and/or duration of symptoms may explain our contrasting findings versus adults with IBS.
Collapse
Affiliation(s)
- Monica Jarrett
- Department of Biobehavioral Nursing and Health Systems, University of Washington, Seattle, Washington, USA
| | | | | | | | | |
Collapse
|
34
|
Saulnier DM, Riehle K, Mistretta TA, Diaz MA, Mandal D, Raza S, Weidler EM, Qin X, Coarfa C, Milosavljevic A, Petrosino JF, Highlander S, Gibbs R, Lynch SV, Shulman RJ, Versalovic J. Gastrointestinal microbiome signatures of pediatric patients with irritable bowel syndrome. Gastroenterology 2011; 141:1782-91. [PMID: 21741921 PMCID: PMC3417828 DOI: 10.1053/j.gastro.2011.06.072] [Citation(s) in RCA: 479] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Revised: 06/15/2011] [Accepted: 06/24/2011] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS The intestinal microbiomes of healthy children and pediatric patients with irritable bowel syndrome (IBS) are not well defined. Studies in adults have indicated that the gastrointestinal microbiota could be involved in IBS. METHODS We analyzed 71 samples from 22 children with IBS (pediatric Rome III criteria) and 22 healthy children, ages 7-12 years, by 16S ribosomal RNA gene sequencing, with an average of 54,287 reads/stool sample (average 454 read length = 503 bases). Data were analyzed using phylogenetic-based clustering (Unifrac), or an operational taxonomic unit (OTU) approach using a supervised machine learning tool (randomForest). Most samples were also hybridized to a microarray that can detect 8741 bacterial taxa (16S rRNA PhyloChip). RESULTS Microbiomes associated with pediatric IBS were characterized by a significantly greater percentage of the class γ-proteobacteria (0.07% vs 0.89% of total bacteria, respectively; P < .05); 1 prominent component of this group was Haemophilus parainfluenzae. Differences highlighted by 454 sequencing were confirmed by high-resolution PhyloChip analysis. Using supervised learning techniques, we were able to classify different subtypes of IBS with a success rate of 98.5%, using limited sets of discriminant bacterial species. A novel Ruminococcus-like microbe was associated with IBS, indicating the potential utility of microbe discovery for gastrointestinal disorders. A greater frequency of pain correlated with an increased abundance of several bacterial taxa from the genus Alistipes. CONCLUSIONS Using 16S metagenomics by PhyloChip DNA hybridization and deep 454 pyrosequencing, we associated specific microbiome signatures with pediatric IBS. These findings indicate the important association between gastrointestinal microbes and IBS in children; these approaches might be used in diagnosis of functional bowel disorders in pediatric patients.
Collapse
Affiliation(s)
- Delphine M. Saulnier
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,Department of Pathology, Texas Children's Hospital, Houston, TX,NIZO, Ede, The Netherlands
| | - Kevin Riehle
- Department of Molecular & Human Genetics, and Baylor College of Medicine, Houston, TX,Bioinformatics Research Laboratory, Baylor College of Medicine, Houston, TX
| | - Toni-Ann Mistretta
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,Department of Pathology, Texas Children's Hospital, Houston, TX
| | - Maria-Alejandra Diaz
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,Department of Pathology, Texas Children's Hospital, Houston, TX
| | - Debasmita Mandal
- Department of Medicine, University of California San Francisco, San Francisco, CA
| | - Sabeen Raza
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,Department of Pathology, Texas Children's Hospital, Houston, TX
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, TX,Children's Nutrition Research Center, Houston, TX
| | - Xiang Qin
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX
| | - Cristian Coarfa
- Department of Molecular & Human Genetics, and Baylor College of Medicine, Houston, TX,Bioinformatics Research Laboratory, Baylor College of Medicine, Houston, TX
| | - Aleksandar Milosavljevic
- Department of Molecular & Human Genetics, and Baylor College of Medicine, Houston, TX,Bioinformatics Research Laboratory, Baylor College of Medicine, Houston, TX
| | - Joseph F. Petrosino
- Department of Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX,Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX,Center for Metagenomics and Microbiome Research, Baylor College of Medicine, Houston, TX
| | - Sarah Highlander
- Department of Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX,Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX
| | - Richard Gibbs
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX
| | - Susan V. Lynch
- Department of Medicine, University of California San Francisco, San Francisco, CA
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX,Children's Nutrition Research Center, Houston, TX
| | - James Versalovic
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX,Department of Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX,Department of Molecular & Human Genetics, and Baylor College of Medicine, Houston, TX,Department of Pediatrics, Baylor College of Medicine, Houston, TX,Department of Pathology, Texas Children's Hospital, Houston, TX
| |
Collapse
|
35
|
Camacho S, Bernal F, Abdo M, Awad RA. Endoscopic and symptoms analysis in Mexican patients with irritable Bowel syndrome, dyspepsia, and gastroesophageal reflux disease. AN ACAD BRAS CIENC 2011; 82:953-62. [PMID: 21152770 DOI: 10.1590/s0001-37652010000400018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Accepted: 08/17/2010] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was to analyze the data of endoscopy and symptoms in 118 Mexican patients with irritable bowel syndrome (IBS), dyspepsia, non-erosive reflux disease (NERD) and erosive esophagitis (EE). IBS criteria were fulfilling for dyspepsia patients in 47%, for NERD in 48%, and for EE patients in 48% of cases. Esophagitis was present in 42% of patients with IBS and in 45% of patients with dyspepsia. A higher prevalence of hiatus hernia was found in EE vs. NERD. Heartburn and acid eructation were associated with the presence of esophagitis; acid eructation, regurgitation and nocturnal pain with duodenitis; and heartburn and regurgitation with hiatus hernia. Males more frequently reported: mucus in feces, abdominal distension, nausea and gastritis; and women more frequently reported esophagitis and duodenitis. Patients with NERD (OR 2.54, 95% CI 1.08 to 5.99, p=0.04), tenesmus and early satiety, and men had an increase risk for reporting hard or lumpy stools. In conclusion, nearly half of the Mexican patients with NERD, EE and dyspepsia fulfill criteria for IBS. A large number of symptoms were correlated with endoscopy, which can be used to improve the indication of the endoscopy and its implementation in clinical studies.
Collapse
Affiliation(s)
- Santiago Camacho
- Gastroenterology Service U-107, Endoscopy Uni, Experimental Medicine and Motility Unit, Mexico City General Hospital, México, DF, Mexico
| | | | | | | |
Collapse
|
36
|
Czyzewski DI, Lane MM, Weidler EM, Williams AE, Swank PR, Shulman RJ. The interpretation of Rome III criteria and method of assessment affect the irritable bowel syndrome classification of children. Aliment Pharmacol Ther 2011; 33:403-11. [PMID: 21138454 PMCID: PMC3912994 DOI: 10.1111/j.1365-2036.2010.04535.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Paediatric classification of irritable bowel syndrome (IBS) is complicated by the potential discrepancy between parent and child report and by the interpretation of pain-stool relations in the Rome III classification system. AIM To compare IBS classification by diary and by child and parent respondents. METHODS Children (ages 7-10 years, n = 90) with recurrent abdominal pain and their parents completed IBS symptom questionnaires and 2-week pain and stool diaries. Diaries were coded with two algorithms, one defining stool changes individually and one defining changes normatively. Proportions of dichotomous classifications (IBS vs. not IBS) between pairs of classification methods/respondents were evaluated using Chi-squared tests (χ²) to determine whether coding methods were significantly related, the degree of inclusiveness, and whether differences in classification were randomly distributed. RESULTS Individual and normative diary classifications were congruent in 62% of cases, but the individual method classified more children with IBS, 53% vs. 18%. Parent and child questionnaire reports were not correlated. The normative diary classifications and parent questionnaire were the most congruent pair of methods (76% of cases). CONCLUSIONS Poor congruence among methods suggests that Rome III IBS criteria need better specification, and efforts to improve parent-child agreement are necessary.
Collapse
Affiliation(s)
- D. I. Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA,Texas Children's Hospital, Houston, TX, USA
| | - M. M. Lane
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA,Texas Children's Hospital, Houston, TX, USA
| | - E. M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Texas Children's Hospital, Houston, TX, USA,Children's Nutrition Research Center, Houston, TX, USA
| | - A. E. Williams
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA,Texas Children's Hospital, Houston, TX, USA
| | - P. R. Swank
- Children's Learning Institute, University of Texas Health Science Center, Houston, TX, USA
| | - R. J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA,Texas Children's Hospital, Houston, TX, USA,Children's Nutrition Research Center, Houston, TX, USA
| |
Collapse
|
37
|
Chumpitazi BP, Lane MM, Czyzewski DI, Weidler EM, Swank PR, Shulman RJ. Creation and initial evaluation of a Stool Form Scale for children. J Pediatr 2010; 157:594-7. [PMID: 20826285 PMCID: PMC2937014 DOI: 10.1016/j.jpeds.2010.04.040] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2009] [Revised: 03/01/2010] [Accepted: 04/23/2010] [Indexed: 01/19/2023]
Abstract
OBJECTIVE To develop a pediatric stool form rating scale and determine its interrater reliability, intrarater reliability, and agreement among pediatric gastroenterologists. STUDY DESIGN An ordinal stool scale with 5 categorical stool form types was created on the basis of the Bristol Stool Form Scale, and 32 color 2-dimensional stool photographs were shown to 14 pediatric gastroenterologists. Each gastroenterologist rated the stool form depicted in each photograph with the modified stool scale. Ten gastroenterologists agreed to rerate the stool form depicted in each photograph a minimum of 6 months after the first rating. RESULTS A total of 448 ratings were completed; 430 (94%) of all ratings were within at least 1 category type of the most common (modal) rating for each photograph. Eight (25%) stool photographs had complete agreement among all raters. Interrater and intrarater reliability was high with a single measure intraclass correlation of 0.85 (95% confidence interval: 0.78-0.91; P<.001) and 0.87 (95% confidence interval: 0.81-0.92; P<.001), respectively. CONCLUSION A modified pediatric Bristol Stool Form Scale provided a high degree of interrater reliability, intrarater reliability, and agreement among pediatric gastroenterologists.
Collapse
Affiliation(s)
- Bruno P. Chumpitazi
- Department of Pediatrics, Baylor College of Medicine,Texas Children’s Hospital, University of Texas Health Science Center- Houston
| | - Mariella M. Lane
- Department of Pediatrics, Baylor College of Medicine,Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine,Texas Children’s Hospital, University of Texas Health Science Center- Houston
| | - Danita I. Czyzewski
- Department of Pediatrics, Baylor College of Medicine,Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine,Texas Children’s Hospital, University of Texas Health Science Center- Houston
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine,Texas Children’s Hospital, University of Texas Health Science Center- Houston,Children’s Nutrition Research Center, Houston, Texas
| | - Paul R. Swank
- Children’s Learning Institute, University of Texas Health Science Center- Houston
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine,Texas Children’s Hospital, University of Texas Health Science Center- Houston,Children’s Nutrition Research Center, Houston, Texas
| |
Collapse
|
38
|
An outbreak of acute bacterial gastroenteritis is associated with an increased incidence of irritable bowel syndrome in children. Am J Gastroenterol 2010; 105:933-9. [PMID: 20179687 DOI: 10.1038/ajg.2010.74] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Acute bacterial gastroenteritis is associated with subsequent post-infectious irritable bowel syndrome (PI-IBS) in adults. Less is known about this relationship in children. In May 2000, contamination of municipal water by Escherichia coli 0157:H7 and Campylobacter species caused a large outbreak of acute gastroenteritis in Walkerton, Ontario. We assessed this association among a cohort of children enrolled in the Walkerton Health Study (WHS). METHODS WHS participants who were under age 16 at the time of the outbreak but who reached age 16 during the 8-year study follow-up were eligible for the pediatric PI-IBS study cohort. Eligibility also required no diagnosis of IBS or inflammatory bowel disease before the outbreak and permanent residency in the Walkerton postal code at the time of the outbreak. Validated criteria were used to classify subjects as having had no gastroenteritis (unexposed controls), self-reported gastroenteritis, or clinically suspected gastroenteritis during the outbreak. From 2002 to 2008, standardized biennial interviews used a modified Bowel Disease Questionnaire to diagnose IBS by Rome I criteria. Risk factors for IBS were identified by logistic regression. RESULTS In all, 467 subjects were eligible for the pediatric PI-IBS study cohort (47.1% female; mean age 11.6+/-2.44 years at the time of the outbreak). Of these, 305 were exposed to GE (130 clinically suspected and 175 self-reported) and 162 were unexposed controls. The cumulative incidence of IBS was significantly increased among exposed subjects vs. controls (10.5% vs. 2.5%; odds ratio 4.6, 95% confidence interval (1.6, 13.3)). In an unadjusted risk factor analysis, IBS was associated with a shorter time interval from exposure to assessment of IBS symptoms, female gender, diarrheal illness lasting more than 7 days, weight loss >10 lb, and antibiotic use during the outbreak. In adjusted analyses, both female gender and time interval to assessment of IBS symptoms remained independent predictors of PI-IBS. CONCLUSIONS Acute bacterial gastroenteritis is associated with subsequent IBS in children as in adults. Risk factors for PI-IBS in children are similar to those identified among adults. Confirmation of these findings in similar cohorts is needed.
Collapse
|
39
|
Ammoury RF, Pfefferkorn MDR, Croffie JM. Functional gastrointestinal disorders: past and present. World J Pediatr 2009; 5:103-12. [PMID: 19718531 DOI: 10.1007/s12519-009-0021-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2008] [Accepted: 02/03/2009] [Indexed: 12/16/2022]
Abstract
BACKGROUND Chronic abdominal pain is a common complaint in childhood and adolescence. Despite decades of clinical observations and research, it still poses a challenge to pediatric health care professionals. The aim of this review is to highlight the epidemiology of pediatric chronic abdominal pain and to describe the pathogenesis of this disorder, its clinical manifestations, evaluation and therapeutic options. DATA SOURCES Articles on chronic abdominal pain in the recent years from PubMed, MEDLINE, and reference textbooks were reviewed. RESULTS Chronic abdominal pain, a functional gastrointestinal disorder (FGID), is a multifactorial condition that results from a complex interaction between psychosocial and physiologic factors via the brain-gut axis. A thorough history coupled with a complete physical examination and normal screening studies rule out an organic cause in 95% of the cases. It is highly important for the physician to establish a trusting relationship with the child and parents because successful treatment including modification of physical and psychological stress factors, dietary changes, and drug therapy depends greatly on education, reassurance and active psychological support. CONCLUSIONS FGIDs are a cause of great anxiety, distress and morbidity in children as well as adults. As our understanding of these conditions improves, our therapeutic interventions will progress not only to overcome them but also to intervene early in the disease course so as to limit long-term impact.
Collapse
Affiliation(s)
- Rana Fayez Ammoury
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Indiana University School of Medicine, Indianapolis, IN, USA.
| | | | | |
Collapse
|
40
|
Lane MM, Weidler EM, Czyzewski DI, Shulman RJ. Pain symptoms and stooling patterns do not drive diagnostic costs for children with functional abdominal pain and irritable bowel syndrome in primary or tertiary care. Pediatrics 2009; 123:758-64. [PMID: 19254999 PMCID: PMC2821591 DOI: 10.1542/peds.2008-0227] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE The objectives of this study were to (1) compare the cost of medical evaluation for children with functional abdominal pain or irritable bowel syndrome brought to a pediatric gastroenterologist versus children who remained in the care of their pediatrician, (2) compare symptom characteristics for the children in primary versus tertiary care, and (3) examine if symptom characteristics predicted the cost of medical evaluation. METHODS Eighty-nine children aged 7 to 10 years with functional abdominal pain or irritable bowel syndrome seen by a gastroenterologist (n = 46) or seen only by a pediatrician (n = 43) completed daily pain and stool diaries for 2 weeks. Mothers provided retrospective reports of their children's symptoms in the previous year. Cost of medical evaluation was calculated via chart review of diagnostic tests and application of prices as if the patients were self-pay. RESULTS Child-reported diary data reflected no significant group differences with respect to pain, interference with activities, or stool characteristics. In contrast, mothers of children evaluated by a gastroenterologist viewed their children as having higher maximum pain intensity in the previous year. Excluding endoscopy costs, cost of medical evaluation was fivefold higher for children evaluated by a gastroenterologist, with higher cost across blood work, stool studies, breath testing, and diagnostic imaging. Symptom characteristics did not predict cost of care for either group. CONCLUSIONS Despite the lack of difference in symptom characteristics between children in primary and tertiary care, a notable differential in cost of evaluation exists in accordance with level of care. Symptom characteristics do not seem to drive diagnostic evaluation in either primary or tertiary care. Given the lack of differences in child-reported symptoms and the maternal perspective that children evaluated by a gastroenterologist had more severe pain, we speculate that parent perception of child symptoms may be a primary factor in seeking tertiary care.
Collapse
Affiliation(s)
- Mariella M. Lane
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas,Psychiatry and Psychology Service, Texas Children’s Hospital, Houston, Texas
| | - Erica M. Weidler
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas,Department of Gastroenterology, Texas Children’s Hospital, Houston, Texas,US Department of Agriculture/Agricultural Research Service Children’s Nutrition Research Center, Houston, Texas
| | - Danita I. Czyzewski
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas,Psychiatry and Psychology Service, Texas Children’s Hospital, Houston, Texas,Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas,Department of Gastroenterology, Texas Children’s Hospital, Houston, Texas,US Department of Agriculture/Agricultural Research Service Children’s Nutrition Research Center, Houston, Texas
| |
Collapse
|
41
|
Shulman RJ, Eakin MN, Czyzewski DI, Jarrett M, Ou CN. Increased gastrointestinal permeability and gut inflammation in children with functional abdominal pain and irritable bowel syndrome. J Pediatr 2008; 153:646-50. [PMID: 18538790 PMCID: PMC2614282 DOI: 10.1016/j.jpeds.2008.04.062] [Citation(s) in RCA: 140] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2007] [Revised: 04/03/2008] [Accepted: 04/24/2008] [Indexed: 12/17/2022]
Abstract
OBJECTIVES To determine gastrointestinal (GI) permeability and fecal calprotectin concentration in children 7 to 10 years of age with functional abdominal pain and irritable bowel syndrome (FAP/IBS) versus control subjects and ascertain potential relationships with pain symptoms and stooling. STUDY DESIGN GI permeability and fecal calprotectin concentration were measured. Children kept a 2-week diary of pain episodes and stooling pattern. RESULTS Proximal GI permeability was greater in the FAP/IBS group (n = 93) compared with control subjects (n = 52) (0.59 +/- 0.50 vs 0.36 +/- 0.26, respectively; mean +/- SD; P < .001) as was colonic permeability (1.01 +/- 0.67 vs 0.81 +/- 0.43, respectively; P < .05). Gastric and small intestinal permeability were similar. Fecal calprotectin concentration was greater in children with FAP/IBS compared with control children (65.5 +/- 75.4 microg/g stool vs 43.2 +/- 39.4, respectively; P < .01). Fecal calprotectin concentration correlated with pain interference with activities (P = .01, r(2) = 0.36). There was no correlation between GI permeability and pain related symptoms. Neither permeability nor fecal calprotectin correlated with stool form. CONCLUSIONS Children with FAP/IBS have evidence of increased GI permeability and low-grade GI inflammation, with the latter relating to the degree to which pain interferes with activities.
Collapse
Affiliation(s)
- Robert J. Shulman
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Wilmington, DE,Children’s Nutrition Research Center, Wilmington, DE
| | | | - Danita I. Czyzewski
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Wilmington, DE
| | - Monica Jarrett
- Menninger Department of Psychiatry and Behavioral Sciences, University of Washington, Department of Biobehavioral Nursing and Health Systems, Seattle, Washington
| | - Ching-Nan Ou
- Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Wilmington, DE
| |
Collapse
|
42
|
Abstract
Functional gastrointestinal disorders continue to be a prevalent set of conditions faced by the healthcare team and have a significant emotional and economic impact. In this review, the authors highlight some of the common functional disorders seen in pediatric patients (functional dyspepsia, irritable bowel syndrome, functional abdominal pain) as well as one of the more intriguing (cyclic vomiting). The most recent Pediatric Rome Working Group has modified the definitions of functional gastrointestinal disorders. Current studies have used these categorizations to understand better the epidemiology, etiology, and treatment options for these disorders. As more data are available, children and their families will be offered a better understanding of the conditions and more effective treatments to overcome them. The importance of making an accurate diagnosis of a functional gastrointestinal disorder cannot be overemphasized.
Collapse
|
43
|
Heitkemper M, McGrath B, Killien M, Jarrett M, Landis C, Lentz M, Woods N, Hayward K. The role of centers in fostering interdisciplinary research. Nurs Outlook 2008; 56:115-122.e2. [DOI: 10.1016/j.outlook.2008.03.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Indexed: 10/22/2022]
|
44
|
Abstract
PURPOSE OF REVIEW Recurrent abdominal pain continues to be one of the most ubiquitous conditions faced by the healthcare team, and has a significant emotional and economic impact. We have moved from considering it a psychological condition to recognizing the physiological and environmental contributions, and considering the condition in the framework of a biopsychosocial model where biology, psychology and social environment interact. Here, we review current studies addressing etiologies, diagnostic techniques and treatment options for recurrent abdominal pain in children. RECENT FINDINGS Studies continue to highlight the role of visceral hypersensitivity in recurrent abdominal pain. The psychological state of the child and the parent (most often the mother) in terms of their anxiety, somatization and coping skills can, however, modulate the expression of symptoms. Diagnosis still is made by history and physical examination. Newer treatment options include relaxation and distraction therapies as well as medications. The role of probiotics in children remains to be defined. SUMMARY The approach to the child with recurrent abdominal pain must include the recognition of the physiological contributions, and this information must be relayed to the child and parents. Acknowledgement also must be paid to the role of psychological state in the parent as well as in the child in modulating the severity of symptoms.
Collapse
Affiliation(s)
- Mark E McOmber
- Baylor College of Medicine, Texas Children's Hospital, Children's Nutrition Research Center, 1100 Bates Street, Houston, TX 77030, USA
| | | |
Collapse
|
45
|
Bibliography. Current world literature. Cardiovascular medicine. Curr Opin Pediatr 2007; 19:601-6. [PMID: 17885483 DOI: 10.1097/mop.0b013e3282f12851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|