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https://www.readbyqxmd.com/read/29035975/breath-hydrogen-testing-in-east-and-southeast-asia
#1
Chu Kion Yao, Natural Hoi Sing Chu, Victoria Ping Yi Tan
Breath hydrogen tests are popular, noninvasive tests for the assessment of carbohydrate fermentation in patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD). There is limited information regarding the utility of breath hydrogen and methane tests in IBS and FD patients in East and Southeast Asia. This review aims to summarize current literature about common indications of breath testing in this region, the genesis of functional gastrointestinal symptoms by provocative breath testing and provide suggestions for correct use...
October 13, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29034439/low-grade-small-intestinal-bacterial-overgrowth-is-common-in-patients-with-non-alcoholic-steatohepatitis-on-quantitative-jejunal-aspirate-culture
#2
Uday C Ghoshal, Chalamalasetty Sreenivasa Baba, Ujjala Ghoshal, George Alexander, Asha Misra, Vivek A Saraswat, Gourdas Choudhuri
BACKGROUND: Though pathogenesis of non-alcoholic steatohepatitis (NASH) is unclear, association with small intestinal bacterial overgrowth [SIBO] and fecal dysbiosis is suggested. We evaluated SIBO in NASH using quantitative jejunal aspirate culture (conventional criteria: ≥ 10(5) colony forming unit (CFU)/mL and newer cutoff ≥ 10(3) CFU/mL) and glucose hydrogen breath test. METHODS: Thirty-eight patients with NASH (age 37.5 years, range 20-54, 9, 24% female), diagnosed by ultrasonography, alanine aminotransferase >1...
October 16, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/29031801/use-of-lectin-magnetic-separation-lms-for-detecting-toxoplasma-gondii-oocysts-in-environmental-water-samples
#3
Jemere Bekele Harito, Andrew T Campbell, Kristoffer R Tysnes, Lucy J Robertson
Proof-of-principle of lectin-magnetic separation (LMS) for isolating Toxoplasma oocysts (pre-treated with 0.5% acidified pepsin (AP)) from water for subsequent detection by microscopy or molecular methods has been shown. However, application of this technique in the routine water-analysis laboratory requires that the method is tested, modified, and optimized. The current study describes attempts to apply the LMS technique on supernatants from water samples previously analyzed for contamination with Cryptosporidium and Giardia using standard methods, and the supernatant following immunomagnetic separation (IMS) retained...
October 7, 2017: Water Research
https://www.readbyqxmd.com/read/29020215/long-term-use-of-proton-pump-inhibitors-is-associated-with-increased-microbial-product-translocation-innate-immune-activation-and-reduced-immunologic-recovery-in-patients-with-chronic-human-immunodeficiency-virus-1-infection
#4
J A Serpa, A M Rueda, A Somasunderam, N S Utay, D Lewis, J P Couturier, K G Breaux, M Rodriguez-Barradas
Background: Translocation of microbial products from the damaged gut causes increased immune activation in human immunodeficiency virus (HIV). Proton pump inhibitors (PPIs) predispose to bacterial overgrowth in the gut. We hypothesized that long-term use of PPIs is associated with greater microbial translocation and immune activation in HIV. Methods: HIV-infected persons on suppressive antiretroviral therapy (ART), including those receiving long-term PPIs (PPI+ group) or not (PPI- group), were enrolled...
July 7, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28994123/systematic-review-with-meta-analysis-rifaximin-for-the-prophylaxis-of-spontaneous-bacterial-peritonitis
#5
REVIEW
A Goel, U Rahim, L H Nguyen, C Stave, M H Nguyen
BACKGROUND: The primary and secondary prevention of spontaneous bacterial peritonitis (SBP) is recommended in high-risk patients with cirrhosis. Several studies evaluating the efficacy of rifaximin for SBP prophylaxis have yielded conflicting results. Rifaximin has the potential advantage of preventing bacterial overgrowth and translocation without the systemic side effects of broad-spectrum antibiotics. AIM: To evaluate the efficacy of rifaximin in the primary and secondary prevention of SBP...
October 9, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28988228/the-relationship-between-non-alcoholic-fatty-liver-disease-and-small-intestinal-bacterial-overgrowth-among-overweight-and-obese-children-and-adolescents
#6
Oana Belei, Laura Olariu, Andreea Dobrescu, Tamara Marcovici, Otilia Marginean
BACKGROUND: The increasing rate of obesity and overweight among children has highlighted nonalcoholic fatty liver disease (NAFLD) as the most common cause of chronic pediatric liver diseases. There are many publications supporting the idea that gut microbiota is altered in NAFLD. The aim of this study was to evaluate the prevalence of NAFLD among overweight and obese children with and without small intestinal bacterial overgrowth (SIBO) compared to a control group and to assess if intestinal dysbiosis represents a risk factor for NAFLD...
October 9, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28986022/bacterial-overgrowth-dysbiosis-inflammation-and-dysmotility-in-the-cystic-fibrosis-intestine
#7
Jill Dorsey, Tanja Gonska
No abstract text is available yet for this article.
September 16, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28985873/intestinal-alkaline-phosphatase-deficiency-leads-to-dysbiosis-and-bacterial-translocation-in-the-newborn-intestine
#8
Jason Fawley, Shannon Koehler, Susan Cabrera, Vy Lam, Katherine Fredrich, Martin Hessner, Nita Salzman, David Gourlay
BACKGROUND: Intestinal alkaline phosphatase (IAP) has been shown to help maintain intestinal homeostasis. Decreased expression of IAP has been linked with pediatric intestinal diseases associated with bacterial overgrowth and subsequent inflammation. We hypothesize that the absence of IAP leads to dysbiosis, with increased inflammation and permeability of the newborn intestine. METHODS: Sprague-Dawley heterozygote IAP cross-matches were bred. Pups were dam fed ad lib and euthanized at weaning...
October 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28983665/the-effect-of-prebiotic-vaginal-gel-with-adjuvant-oral-metronidazole-tablets-on-treatment-and-recurrence-of-bacterial-vaginosis-a-triple-blind-randomized-controlled-study
#9
Sevil Hakimi, Faranak Farhan, Azizeh Farshbaf-Khalili, Parvin Dehghan, Yousef Javadzadeh, Shamsi Abbasalizadeh, Bagher Khalvati
PURPOSE: Bacterial vaginosis is a change in the normal vaginal bacterial flora that leads to loss of hydrogen peroxide producing lactobacilli and overgrowth of predominantly anaerobic bacteria. The present study was conducted to compare the effects of prebiotic vaginal gel with oral metronidazole tablet and metronidazole tablet alone on treatment and recurrence of bacterial vaginosis. METHODS: The present triple-blind randomized clinical trial was conducted in Sadatmandi Hospital in Robat-Karim town, where 100 patients were randomly divided into intervention (receiving a 5 mg prebiotic vaginal gel applicator plus three 250 mg metronidazole tablets per day for 7 days) and control (receiving a 5 mg placebo vaginal gel applicator and three 250 mg metronidazole tablets per day for 7 days) groups...
October 5, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28962671/tools-for-metagenomic-analysis-at-wastewater-treatment-plants-application-to-a-foaming-episode
#10
(no author information available yet)
Metagenomic analysis is a powerful approach for wholesale characterizations of microbial populations like those that operate within municipal wastewater treatment plant. It is well-known that many problems are associated with the overgrowth or undergrowth of specific bacterial genera. We describe a database of the combined metagenomes of activated sludge aeration basins from around the globe and use it as a reference to study the population of a foamy activated sludge aeration basin. We show that foam production is associated with blooms of mycolic acid producing genera, especially Mycobacterium...
September 29, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28940740/obesity-increases-the-risk-of-small-intestinal-bacterial-overgrowth-sibo
#11
B C Roland, D Lee, L S Miller, A Vegesna, R Yolken, E Severance, E Prandovszky, X E Zheng, G E Mullin
BACKGROUND: Small intestinal bacterial overgrowth (SIBO) has been associated with anatomical and motility-related abnormalities. Specifically, obesity has been postulated to alter small bowel motility, leading to SIBO. AIMS: (i) Assess the prevalence of SIBO in obesity; (ii) determine the relationship of obesity and SIBO, using small bowel transit time (SBTT) and pH; (iii) profile the gut microbiome in obese and non-obese patients with SIBO. METHODS: Thirty consecutive participants referred for SIBO underwent lactulose breath tests (LBTs) and wireless motility capsule (WMC) studies...
September 21, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28936406/gut-microbiome-based-therapeutics-in-liver-cirrhosis-basic-consideration-for-the-next-step
#12
REVIEW
Hiroshi Fukui
Infections account for significant morbidity and mortality in liver cirrhosis and most are related to the gut microbiome. Fecal dysbiosis, characterized by an overgrowth of potentially pathogenic bacteria and a decrease in autochthonous non-pathogenic bacteria, becomes prominent with the progression of liver cirrhosis. In cirrhotic patients, disruption of the intestinal barrier causes intestinal hyperpermeability (i.e. leaky gut), which is closely related to gut dysmotility, dysbiosis and small intestinal bacterial overgrowth and may induce pathological bacterial translocation...
September 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28915953/syntrophic-imbalance-and-the-etiology-of-bacterial-endoparasitism-diseases
#13
James F White
This article outlines the proposed 'syntrophic imbalance hypothesis' for etiology of bacterial endoparasitism diseases. This hypothesis involves microbes (archaea and bacteria) that exist in human body biofilms in syntrophic associations, where bacteria ferment nutrients to produce short chain fatty acids (SCFAs) that are used by methanogenic archaeons to produce methane. Overgrowth of archaea on human tissues (e.g., in association with intestines, teeth or lungs) results in excessive removal of SCFAs from the biofilms and this triggers bacteria in the free-living biofilm state to convert to the endoparasitic state and become intracellular in host cells where they incite inflammation and disease...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28913777/diabetes-and-the-small-intestine
#14
REVIEW
Jonathan Gotfried, Stephen Priest, Ron Schey
Diabetes mellitus (DM) and its associated complications are becoming increasingly prevalent. Gastrointestinal symptoms associated with diabetes is known as diabetic enteropathy (DE) and may manifest as either diarrhea, fecal incontinence, constipation, dyspepsia, nausea, and vomiting or a combination of symptoms. The long-held belief that vagal autonomic neuropathy is the primary cause of DE has recently been challenged by newer theories of disease development. Specifically, hyperglycemia and the resulting oxidative stress on neural networks, including the nitrergic neurons and interstitial cells of Cajal (ICC), are now believed to play a central role in the development of DE...
September 15, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28912020/intestinal-dysbiosis-featuring-abundance-of-ruminococcus-gnavus-associates-with-allergic-diseases-in-infants
#15
Huey-Huey Chua, Hung-Chieh Chou, Ya-Ling Tung, Bor-Luen Chiang, Chien-Chia Liao, Hong-Hsing Liu, Yen-Hsuan Ni
BACKGROUND & AIMS: Dysbiosis of the intestinal microbiota has been associated with development of allergies in infants. However, it is not clear what microbes might contribute to this process. We investigated what microbe(s) might be involved in analyses of infant twins and mice. METHODS: We studied fecal specimens prospectively in a twin cohort (n=30) and age-matched singletons (n=14) born at National Taiwan University Children's Hospital, Taipei, Taiwan, from April 2011 to March 2013...
September 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28894393/review-of-rifaximin-latest-treatment-frontier-for-irritable-bowel-syndrome-mechanism-of-action-and-clinical-profile
#16
Kamesh Gupta, Harparam Singh Ghuman, Shivani Vijay Handa
BACKGROUND: Irritable bowel syndrome is classified as a functional gastrointestinal disorder with the primary symptom of abdominal pain in conjunction with bloating and bowel movement disorder. It affects up to 15% of the world's population. Among its subtypes, the most common is diarrhoea predominant. However, the current treatment options for diarrhoea-predominant irritable bowel syndrome have had not very promising results; most, such as antispasmodics, only provide partial symptomatic relief...
2017: Clinical Medicine Insights. Gastroenterology
https://www.readbyqxmd.com/read/28883239/superior-mesenteric-artery-syndrome-may-be-overlooked-in-women-with-functional-dyspepsia
#17
Koki Kawanishi, Kensaku Shojima, Masayuki Nishimoto, Hiroko Abe, Tetsuhiro Kakimoto, Yuko Yasuda, Takeshi Hara, Jun Kato
Objective Superior mesenteric artery (SMA) syndrome is characterized by the compression of the third segment of the duodenum between the SMA and aorta, resulting in duodenal obstruction. Because the symptoms of the syndrome are similar to those of functional dyspepsia (FD), this study aimed to examine whether or not patients with SMA syndrome were present among those diagnosed with FD. Methods Patients with an FD diagnosis underwent measurement of the angle and distance between the SMA and aorta by ultrasonography or computed tomography...
October 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28880885/markers-of-intestinal-permeability-are-already-altered-in-early-stages-of-non-alcoholic-fatty-liver-disease-studies-in-children
#18
Anika Nier, Anna Janina Engstler, Ina Barbara Maier, Ina Bergheim
BACKGROUND & AIMS: Recent studies have shown that patients with manifest non-alcoholic fatty liver disease (NAFLD), e.g. steatosis grade 3 or steatohepatitis with or without beginning fibrosis frequently show altered fecal microbiota composition and elevated bacterial endotoxin levels. However, if these alterations are signs of a progressing disease or are already found in initial disease stages has not yet been clarified. METHODS: Twenty children with simple steatosis (grade 1) diagnosed by ultrasound and 29 normal weight healthy control children (age <10 years) were included in the study (mean age 7...
2017: PloS One
https://www.readbyqxmd.com/read/28875318/influence-of-gut-microbiota-on-the-development-and-progression-of-nonalcoholic-steatohepatitis
#19
REVIEW
Fabiana de Faria Ghetti, Daiane Gonçalves Oliveira, Juliano Machado de Oliveira, Lincoln Eduardo Villela Vieira de Castro Ferreira, Dionéia Evangelista Cesar, Ana Paula Boroni Moreira
INTRODUCTION: Nonalcoholic steatohepatitis (NASH) is characterized by the presence of steatosis, inflammation, and ballooning degeneration of hepatocytes, with or without fibrosis. The prevalence of NASH has increased with the obesity epidemic, but its etiology is multifactorial. The current studies suggest the role of gut microbiota in the development and progression of NASH. The aim is to review the studies that investigate the relationship between gut microbiota and NASH. These review also discusses the pathophysiological mechanisms and the influence of diet on the gut-liver axis...
September 5, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28871499/a-prospective-evaluation-of-ileocecal-valve-dysfunction-and-intestinal-motility-derangements-in-small-intestinal-bacterial-overgrowth
#20
Bani Chander Roland, Gerard E Mullin, Monica Passi, Xi Zheng, Ahmed Salem, Robert Yolken, Pankaj Jay Pasricha
BACKGROUND: Small intestinal bacterial overgrowth (SIBO) is an increasingly recognized clinical syndrome; however, its etiophathogenesis is poorly understood. We hypothesized that loss of gastric acid, a delayed intestinal transit, and ileocecal valve dysfunction may contribute to the genesis of this syndrome. AIMS: Our primary aim was to assess these parameters using wireless motility capsule (WMC) testing and to correlate them with the presence or absence of SIBO...
September 4, 2017: Digestive Diseases and Sciences
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