IBS News

Subscribe to IBS News feed
IBS Patient Support Group - IBSpatient.org - IBS News
Updated: 2 min 43 sec ago

Twitter-Next up in the Whats, Hows & Whys of #constipation: How does it impact those affected? Chronic constipation affects up to 20% of adults in the US and many report that their symptoms interfere with their daily activities. Learn more at https:

Dec 20, 2018
Next up in the Whats, Hows & Whys of #constipation: How does it impact those affected? Chronic constipation affects up to 20% of adults in the US and many report that their symptoms interfere with their daily activities. Learn more at https://aboutconstipation.org/ #WhyConstipation (RSS generated with FetchRss) View the full article

Twitter-RT @guzmannutrition: #IBS can be very stressful for #athletes. So many factors can contribute to symptoms and each athlete is different. It…

Dec 20, 2018
RT @guzmannutrition: #IBS can be very stressful for #athletes. So many factors can contribute to symptoms and each athlete is different. It… (RSS generated with FetchRss) View the full article

Google-Study Evaluates Lactobacillus rhamnosus GG Probiotic for Acute Pediatric Gastroenteritis - Infectious Disease Advisor

Dec 20, 2018
Study Evaluates Lactobacillus rhamnosus GG Probiotic for Acute Pediatric Gastroenteritis Infectious Disease AdvisorPreschool-aged children with acute gastroenteritis did not experience significantly better outcomes with Lactobacillus rhamnosus GG treatment compared with ... View the full article

Pubmed-Hydrogen cross-feeders of the human gastrointestinal tract.

Dec 20, 2018
Related Articles Hydrogen cross-feeders of the human gastrointestinal tract. Gut Microbes. 2018 Dec 18;:1-19 Authors: Smith NW, Shorten PR, Altermann EH, Roy NC, McNabb WC Abstract Hydrogen plays a key role in many microbial metabolic pathways in the human gastrointestinal tract (GIT) that have an impact on human nutrition, health and wellbeing. Hydrogen is produced by many members of the GIT microbiota, and may be subsequently utilized by cross-feeding microbes for growth and in the production of larger molecules. Hydrogenotrophic microbes fall into three functional groups: sulfate-reducing bacteria, methanogenic archaea and acetogenic bacteria, which can convert hydrogen into hydrogen sulfide, methane and acetate, respectively. Despite different energy yields per molecule of hydrogen used between the functional groups, all three can coexist in the human GIT. The factors affecting the numerical balance of hydrogenotrophs in the GIT remain unconfirmed. There is increasing evidence linking both hydrogen sulfide and methane to GIT diseases such as irritable bowel syndrome, and strategies for the mitigation of such health problems through targeting of hydrogenotrophs constitute an important field for further investigation. PMID: 30563420 [PubMed - as supplied by publisher] View the full article

Pubmed-5-oxoETE triggers nociception in constipation-predominant irritable bowel syndrome through MAS-related G protein-coupled receptor D.

Dec 20, 2018
Related Articles 5-oxoETE triggers nociception in constipation-predominant irritable bowel syndrome through MAS-related G protein-coupled receptor D. Sci Signal. 2018 Dec 18;11(561): Authors: Bautzova T, Hockley JRF, Perez-Berezo T, Pujo J, Tranter MM, Desormeaux C, Barbaro MR, Basso L, Le Faouder P, Rolland C, Malapert P, Moqrich A, Eutamene H, Denadai-Souza A, Vergnolle N, Smith ESJ, Hughes DI, Barbara G, Dietrich G, Bulmer DC, Cenac N Abstract Irritable bowel syndrome (IBS) is a common gastrointestinal disorder that is characterized by chronic abdominal pain concurrent with altered bowel habit. Polyunsaturated fatty acid (PUFA) metabolites are increased in abundance in IBS and are implicated in the alteration of sensation to mechanical stimuli, which is defined as visceral hypersensitivity. We sought to quantify PUFA metabolites in patients with IBS and evaluate their role in pain. Quantification of PUFA metabolites by mass spectrometry in colonic biopsies showed an increased abundance of 5-oxoeicosatetraenoic acid (5-oxoETE) only in biopsies taken from patients with IBS with predominant constipation (IBS-C). Local administration of 5-oxoETE to mice induced somatic and visceral hypersensitivity to mechanical stimuli without causing tissue inflammation. We found that 5-oxoETE directly acted on both human and mouse sensory neurons as shown by lumbar splanchnic nerve recordings and Ca2+ imaging of dorsal root ganglion (DRG) neurons. We showed that 5-oxoETE selectively stimulated nonpeptidergic, isolectin B4 (IB4)-positive DRG neurons through a phospholipase C (PLC)- and pertussis toxin-dependent mechanism, suggesting that the effect was mediated by a G protein-coupled receptor (GPCR). The MAS-related GPCR D (Mrgprd) was found in mouse colonic DRG afferents and was identified as being implicated in the noxious effects of 5-oxoETE. Together, these data suggest that 5-oxoETE, a potential biomarker of IBS-C, induces somatic and visceral hyperalgesia without inflammation in an Mrgprd-dependent manner. Thus, 5-oxoETE may play a pivotal role in the abdominal pain associated with IBS-C. PMID: 30563864 [PubMed - in process] View the full article

Pubmed-Bloating in Irritable Bowel Syndrome Is Associated with Symptoms Severity, Psychological Factors, and Comorbidities.

Dec 20, 2018
Related Articles Bloating in Irritable Bowel Syndrome Is Associated with Symptoms Severity, Psychological Factors, and Comorbidities. Dig Dis Sci. 2018 Dec 18;: Authors: Hod K, Ringel Y, van Tilburg MAL, Ringel-Kulka T Abstract BACKGROUND: Bloating is one of the most bothersome symptoms of irritable bowel syndrome (IBS), but its association with other symptoms is not well described. AIMS: We investigated the association between symptoms of abdominal bloating, other IBS symptoms, psychological distress, and comorbid pain conditions. METHODS: We conducted a cross-sectional study on a large cohort of IBS patients with and without symptoms of abdominal bloating and healthy controls. Subjects were assessed for IBS and its subtypes, pain severity, symptoms severity, psychological disturbances, comorbidities, and dietary restrictions of three fluid groups. RESULTS: A total of 484 subjects were investigated. Compared with IBS - B, IBS + B subjects had higher rates of constipation (30% vs. 15%, p = 0.191) and lower rates of diarrhea, (70% vs. 85%, p = 0.191) although these were not statistically significant. Bloating severity correlated with IBS symptoms severity (r = 0.397, p = 0.000), pain severity (r = 0.364, p = 0.000), and both anxiety and somatization scores (r = 0.167, p = 0.015 and r = 0.219, p = 0.001, respectively). Prevalence of fibromyalgia and depression and somatization scores was significantly higher in IBS with bloating than in IBS without bloating. IBS patients with bloating reported more dietary restriction of three fluid groups to control their symptoms compared with healthy controls and IBS patients without bloating. CONCLUSIONS: Abdominal bloating in IBS is associated with increased symptoms and pain severity, somatization, depression, fibromyalgia, and altered dietary fluids composition. Recognizing and addressing these factors in the diagnosis and management of patients with IBS may improve clinical outcome. PMID: 30565010 [PubMed - as supplied by publisher] View the full article

Pubmed-Pelvic Pain in Adolescents.

Dec 20, 2018
Pelvic Pain in Adolescents. Semin Reprod Med. 2018 Mar;36(2):116-122 Authors: Smorgick N, As-Sanie S Abstract Dysmenorrhea and noncyclic pelvic pain (chronic pelvic pain) are common in adolescents. The evaluation of teens with dysmenorrhea or chronic pelvic pain is aimed to diagnose possible gynecologic conditions (endometriosis, pelvic inflammatory disease, ovarian cysts, and obstruction of the reproductive tract) and nongynecologic conditions (irritable bowel syndrome, interstitial cystitis, and myofascial pain). The management of chronic pelvic pain in adolescents is often more complex than in adult women because both the adolescent and her parents are counseled and addressed, and her long-term emotional and physical health, fertility, and sexuality are considered. Dysmenorrhea and chronic pelvic pain are often associated with depression and anxiety in adolescents. Thus, psychosocial counseling plays an important role in the management of these patients. This review will present a systematic approach to the evaluation and treatment of dysmenorrhea and chronic pelvic pain in adolescents. PMID: 30566977 [PubMed - in process] View the full article

Pubmed-Fibromyalgia and Irritable Bowel Syndrome in Female Pelvic Pain.

Dec 20, 2018
Fibromyalgia and Irritable Bowel Syndrome in Female Pelvic Pain. Semin Reprod Med. 2018 Mar;36(2):136-142 Authors: Johnson CM, Makai GEH Abstract Fibromyalgia and irritable bowel syndrome are common disorders which often coexist in women with chronic pelvic pain. Like pelvic pain, these disorders describe symptoms without pathologic findings. Women with chronic pelvic pain have a higher prevalence of fibromyalgia (4-31%) and irritable bowel syndrome (8-41%) than the general population. Aberrant pain processing and psychosocial stressors are implicated in the co-occurrence of these pain syndromes (chronic overlapping pain conditions), but active epidemiologic, psychosocial, and neurobiologic research is ongoing. Given the higher prevalence of fibromyalgia and irritable bowel syndrome in women with chronic pelvic pain, gynecologists should have more education in diagnosis and treatment of these and other chronic overlapping pain conditions to improve care for women. PMID: 30566979 [PubMed - in process] View the full article

Google-Differences in gut microbiota could help diagnose IBD, IBS - Healio

Dec 19, 2018
Differences in gut microbiota could help diagnose IBD, IBS HealioChanges in a patient's gut microbiota could help clinicians differentiate patients with inflammatory bowel disease and those with irritable bowel syndrome, ... View the full article

Pubmed-Causal Role of Bile Acids in Irritable Bowel Syndrome-Constipation.

Dec 19, 2018
Related Articles Causal Role of Bile Acids in Irritable Bowel Syndrome-Constipation. Clin Gastroenterol Hepatol. 2019 Jan;17(1):213-214 Authors: Hofmann AF PMID: 30558894 [PubMed - in process] View the full article

Pubmed-Mechanisms of Probiotic VSL#3 in a Rat Model of Visceral Hypersensitivity Involves the Mast Cell-PAR2-TRPV1 Pathway.

Dec 19, 2018
Related Articles Mechanisms of Probiotic VSL#3 in a Rat Model of Visceral Hypersensitivity Involves the Mast Cell-PAR2-TRPV1 Pathway. Dig Dis Sci. 2018 Dec 17;: Authors: Li YJ, Dai C, Jiang M Abstract BACKGROUND: Mast cells (MCs), PAR2 and TRPV1, play a key role in the regulation of visceral pain. Several studies have found that probiotics regulate visceral sensitivity. AIMS: The purpose of the current study was to explore the role of MC-PAR2-TRPV1 in VH and the mechanism of VSL#3 in a rat model of VH. METHODS: A total of 64 rats were randomly divided into eight groups: Control VH, VH + ketotifen, VH + FSLLRY-NH2, VH + SB366791, VH + VSL#3, VH + VSL#3 + capsaicin, and VH + VSL#3 + SLIGRL-NH2. The rat model of VH was induced by acetic acid enema and the partial limb restraint method. VH was assessed by the abdominal withdrawal reflex score. MCs in colonic tissue were detected by the toluidine blue staining assay. The expression of PAR2 and TRPV1 in DRGs (L6-S1) was measured by immunohistochemistry and Western blotting. RESULTS: The established VH was abolished by treatment with ketotifen, a mast cell stabilizer FSLLRY-NH2, a PAR2 antagonist SB366791 a TRPV1 antagonist, and probiotic VSL#3 in rats. The administration of ketotifen or probiotic VSL#3 caused a decrease in mast cell number in the colon and decreased PAR2 and TRPV1 expression in DRGs. Intrathecal injection of FSLLRY-NH2 or SB366791 caused decreased expression of PAR2 and/or TRPV1 in DRGs in VH rats. SLIGRL-NH2, a PAR2 agonist, and capsaicin, a TRPV1 agonist, blocked the effects of probiotic VSL#3. CONCLUSIONS: The probiotic VSL#3 decreases VH in rat model of VH. The mechanism may be related with the mast cell-PAR2-TRPV1 signaling pathway. PMID: 30560330 [PubMed - as supplied by publisher] View the full article

Pubmed-Neonatal Maternal Deprivation Followed by Adult Stress Enhances Adrenergic Signaling to Advance Visceral Hypersensitivity.

Dec 19, 2018
Related Articles Neonatal Maternal Deprivation Followed by Adult Stress Enhances Adrenergic Signaling to Advance Visceral Hypersensitivity. Neurosci Bull. 2018 Dec 17;: Authors: Du WJ, Hu S, Li X, Zhang PA, Jiang X, Yu SP, Xu GY Abstract The pathophysiology of visceral pain in patients with irritable bowel syndrome remains largely unknown. Our previous study showed that neonatal maternal deprivation (NMD) does not induce visceral hypersensitivity at the age of 6 weeks in rats. The aim of this study was to determine whether NMD followed by adult stress at the age of 6 weeks induces visceral pain in rats and to investigate the roles of adrenergic signaling in visceral pain. Here we showed that NMD rats exhibited visceral hypersensitivity 6 h and 24 h after the termination of adult multiple stressors (AMSs). The plasma level of norepinephrine was significantly increased in NMD rats after AMSs. Whole-cell patch-clamp recording showed that the excitability of dorsal root ganglion (DRG) neurons from NMD rats with AMSs was remarkably increased. The expression of β2 adrenergic receptors at the protein and mRNA levels was markedly higher in NMD rats with AMSs than in rats with NMD alone. Inhibition of β2 adrenergic receptors with propranolol or butoxamine enhanced the colorectal distention threshold and application of butoxamine also reversed the enhanced hypersensitivity of DRG neurons. Overall, our data demonstrate that AMS induces visceral hypersensitivity in NMD rats, in part due to enhanced NE-β2 adrenergic signaling in DRGs. PMID: 30560437 [PubMed - as supplied by publisher] View the full article

Pubmed-Lactose intolerance but not lactose maldigestion is more frequent in patients with irritable bowel syndrome than in healthy controls: A meta-analysis.

Dec 19, 2018
Related Articles Lactose intolerance but not lactose maldigestion is more frequent in patients with irritable bowel syndrome than in healthy controls: A meta-analysis. Neurogastroenterol Motil. 2018 Dec 17;:e13527 Authors: Varjú P, Gede N, Szakács Z, Hegyi P, Cazacu IM, Pécsi D, Fábián A, Szepes Z, Vincze Á, Tenk J, Balaskó M, Rumbus Z, Garami A, Csupor D, Czimmer J Abstract BACKGROUND AND PURPOSE: Irritable bowel syndrome (IBS) affects 10%-20% of the adult population and is characterized by abdominal symptoms without relevant organic disease. There are numerous clinical trials available investigating the relationship between IBS, lactose maldigestion (LM), and lactose intolerance (LI), but there have been no meta-analyses on this topic yet. We aimed to assess the prevalence of LM, objective and subjective (self-reported) LI in IBS patients compared to healthy controls (HC) without IBS. METHODS: A systematic literature search was conducted up to 24 April 2018 in PubMed, Embase, and Cochrane Library. Adult IBS patients had to be diagnosed according to the Rome criteria or other well-defined criteria system. We enrolled controlled studies including healthy adult participants without IBS, as control group. Odds ratios with 95% confidence intervals were calculated. KEY RESULTS: Altogether 14 articles were suitable for statistical analyses. IBS patients reported themselves significantly more frequently lactose intolerant than HCs (odds ratio [OR] = 3.499; 95% confidence interval [CI] = 1.622-7.551). Generally, there was no significant difference in the prevalence of LM based on ingested lactose dose (OR = 1.122; 95% CI = 0.929-1.356) and test type (OR = 1.156; 95% CI = 0.985-1.356). However, significantly more IBS patients had objective LI (OR = 2.521; 95% CI = 1.280-4.965). CONCLUSIONS AND INFERENCES: Lactose intolerance, but not LM is more frequent among patients with IBS compared to HCs. According to our results, IBS among other functional bowel disorders is a possible contributing factor of LI in people with LM. PMID: 30560578 [PubMed - as supplied by publisher] View the full article

Pubmed-Fecal Microbiota Transplantation for the Critically Ill Patient.

Dec 19, 2018
Fecal Microbiota Transplantation for the Critically Ill Patient. Nutr Clin Pract. 2018 Dec 18;: Authors: Limketkai BN, Hendler S, Ting PS, Parian AM Abstract The gut microbiome has been implicated in a diversity of diseases, such as irritable bowel syndrome, inflammatory bowel disease, hepatic steatosis, metabolic syndrome, obesity, and anxiety. Current research also suggests the presence of a bidirectional relationship between the composition of the gut microbiome and critical illness. In the critical care setting, multiple factors (eg, use of antibiotics, aberrant nutrition, bloodstream infections, bowel ischemia, and abnormal bowel motility) strongly contribute to intestinal dysbiosis. Conversely, early studies have associated intestinal dysbiosis with worse clinical outcomes in the intensive care unit (ICU), such as infection, organ failure, and mortality. The possibility of intestinal dysbiosis influencing these clinical outcomes has prompted the question of whether microbiome manipulation strategies, such as fecal microbiota transplantation (FMT), may have a role in the management of critical illness. After a literature search of FMT used in the ICU for indications other than Clostridium difficile infections, we found 4 case reports that describe the use of FMT in 5 critically ill patients with systemic inflammatory responses and no clear source of infection. This review discusses the relationship between the gut microbiome and critical illness, early data on the use of FMT in critical care, and safety considerations of FMT in the critically ill and immunocompromised populations. PMID: 30561131 [PubMed - as supplied by publisher] View the full article

Pubmed-Digestive disorders and Intestinal microbiota.

Dec 19, 2018
Digestive disorders and Intestinal microbiota. Acta Biomed. 2018 Dec 17;89(9-S):47-51 Authors: Nouvenne A, Ticinesi A, Tana C, Prati B, Catania P, Miraglia C, De' Angelis GL, Di Mario F, Meschi T Abstract In the last decade, a barge body of scientific literature has suggested that specific alterations of the gut microbiota may be associated with ther development and clinical course of several gastrointestinal diseases, including irritable bowel syndrome, inflammatory bowel disease, celiac disease, gastrointestinal cancer and Clostridium difficile infection. These alterations are often referred to as "dysbiosis", a generic term designing reduction of gut microbiota biodiversity and alterations in its composition. Here, we provide a synthetic overview of the key concepts on the relationship between intestinal microbiota and gastrointestinal diseases, focusing on the translation of these concepts into clinical practice. PMID: 30561395 [PubMed - in process] View the full article

Pubmed-Differentiation of functional gastrointestinal disorders from healthy volunteers by lactulose hydrogen breath test and test meal.

Dec 19, 2018
Differentiation of functional gastrointestinal disorders from healthy volunteers by lactulose hydrogen breath test and test meal. J Gastroenterol Hepatol. 2018 Nov 22;: Authors: Schindler V, Giezendanner S, Bütikofer S, Murray F, Runggaldier D, Schnurre L, Zweig A, Fried M, Pohl D Abstract BACKGROUND AND AIM: Functional dyspepsia (FD) is a common disorder of gut-brain interaction with incompletely understood pathophysiology. Consequently, heterogeneous expert opinions on diagnostic tests and assessment of treatment efficacies exist. So far, no consensus about the most relevant diagnostic and outcome tool has been reached. In this study, we aimed to analyze the significance of a combined lactulose hydrogen breath test (LHBT) and liquid meal, yet representing a standardized test in irritable bowel syndrome (IBS), in FD. METHODS: We analyzed data of 146 FD, 204 IBS patients, and 50 healthy volunteers (HV). All patients underwent LHBT with a meal-drink consisting of 30-g Lactulose and 400-mL Ensure®. Effect of abdominal symptom generation in FD/IBS compared with HV was assessed on a patient-reported Likert-scale. RESULTS: There was a significant difference between FD/IBS patients and HV in LHBT-induced abdominal pain (odds ratio [OR] 246.9, 95% confidence interval [CI] 26.6-2290.7; OR 161.2, 95% CI 16.9-1534.8), abdominal bloating (OR 384.8, 95% CI 92.9-2135.4; OR 524.1, 95% CI 114.7-3432.3), borborygmi (OR 9.9, 95% CI 2.2-46.9; OR 17.7, 95% CI 4.7-67.4), nausea only in FD (OR 174.4, 95% CI 15.5-5375.5), and diarrhea in IBS only (OR 25.8, 95% CI 2.0-7012.6). Hydrogen production was not significantly different in FD/IBS and HV. CONCLUSIONS: In this study, we demonstrated significant differences in postprandial symptom generation in FD and IBS compared with HV after LHBT. This does not only allow us to discriminate FD/IBS from HV but may also represent a diagnostic and monitoring tool for FD/IBS in the future, including monitoring of treatment effects. PMID: 30562837 [PubMed - as supplied by publisher] View the full article

Google-FDA OKs Prucalopride (Motegrity) for Chronic Idiopathic Constipation - Medscape

Dec 18, 2018
FDA OKs Prucalopride (Motegrity) for Chronic Idiopathic Constipation MedscapeThe US Food and Drug Administration (FDA) has approved prucalopride tablets (Motegrity, Shire PLC) for adults with chronic idiopathic constipation (CIC). View the full article

Google-OrphoMed Announces Formation of Scientific Advisory Board - PRNewswire

Dec 18, 2018
OrphoMed Announces Formation of Scientific Advisory Board PRNewswireSAN FRANCISCO, Dec. 18, 2018 /PRNewswire/ -- OrphoMed, Inc., a clinical-stage biopharmaceutical company developing first-in-class dimer therapeutics, ... View the full article

Google-Prucalopride OK'd for Chronic Constipation | Medpage Today - MedPage Today

Dec 17, 2018
Prucalopride OK'd for Chronic Constipation | Medpage Today MedPage TodayFDA approves serotonin-4 receptor agonist, to be sold as Motegrity. View the full article

Twitter-From the archives but worth repeating: what a GI psychologist can do for you & your #IBS symptoms https://t.co/Sj32Ps2Zk0

Dec 17, 2018
From the archives but worth repeating: what a GI psychologist can do for you & your #IBS symptoms http://blog.katescarlata.com/2017/12/01/role-gi-psychologist-ibs/ (RSS generated with FetchRss) View the full article

Pages