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https://www.readbyqxmd.com/read/28818267/is-small-intestinal-bacterial-overgrowth-involved-in-the-pathogenesis-of-functional-dyspepsia
#1
Georgios Tziatzios, Evangelos J Giamarellos-Bourboulis, Ioannis S Papanikolaou, Mark Pimentel, George D Dimitriadis, Konstantinos Triantafyllou
Functional dyspepsia is a highly prevalent disease, with significant impacts on patients' quality of life and economic robustness of health care systems worldwide. It constitutes a constellation of symptoms located in the gastro duodenal region while its pathogenesis remains poorly understood. Accumulating evidence suggest that small intestinal bacterial overgrowth is associated with the etiology of functional gastrointestinal disorders. We herein present the hypothesis that a causal link between small intestinal bacterial overgrowth and functional dyspepsia might exist...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28814581/hyperammonaemic-encephalopathy-following-an-uncomplicated-surgery
#2
Stuart McIntosh, Karima Medjoub, Kevin Deans, Sara Sexton
A 59-year-old woman who underwent an uncomplicated exploratory laparotomy, adhesiolysis, small bowel resection and anterolateral thigh flap had a complicated postoperative period characterised by wound dehiscence and poor nutritional intake. 29 days postoperatively, a tremor developed in her upper limbs associated with weakness. Her Glasgow Coma Scale (GCS) fell to 4 and she was transferred to the intensive care unit. The patient was reviewed by multiple specialists and multiple differentials were considered and eliminated...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28808302/effects-of-one-week-empirical-antibiotic-therapy-on-the-early-development-of-gut-microbiota-and-metabolites-in-preterm-infants
#3
Danping Zhu, Sa Xiao, Jialin Yu, Qing Ai, Yu He, Chen Cheng, Yunhui Zhang, Yun Pan
The early postnatal period is the most dynamic and vulnerable stage in the assembly of intestinal microbiota. Antibiotics are commonly prescribed to newborn preterm babies and are frequently used for a prolonged duration in China. We hypothesized that the prolonged antibiotic therapy would affect the early development of intestinal microbiota and their metabolites. To test this hypothesis, we analyzed the stool microbiota and metabolites in 36 preterm babies with or without antibiotic treatment. These babies were divided into three groups, including two groups treated with the combination of penicillin and moxalactam or piperacillin-tazobactam for 7 days, and the other group was free of antibiotics...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801371/small-intestinal-bacterial-overgrowth-may-increase-the-likelihood-of-lactose-and-sorbitol-but-not-fructose-intolerance-false-positive-diagnosis
#4
Tsachi Tsadok Perets, Dalal Hamouda, Olga Layfer, Olga Ashorov, Doron Boltin, Sigal Levy, Yaron Niv, Ram Dickman
BACKGROUND: Small intestinal bacterial overgrowth (SIBO) is defined as a bacterial count of more than 10(5) colony-forming units per milliliter in duodenal aspirate. It shares many symptoms with carbohydrate intolerance, which makes the clinical distinction of the disorders difficult. The aim of the study was to examine the relationship between a positive carbohydrate breath test and the presence of SIBO suggested by a positive lactulose hydrogen breath test. METHODS: The electronic database of the gastroenterology laboratory of a tertiary medical center was searched for all patients clinically tested for SIBO in 2012-2013 for whom previous results for lactose, fructose, and/or sorbitol breath test were available...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28800034/the-association-of-proton-pump-inhibitor-therapy-and-small-bowel-bacterial-overgrowth-in-children
#5
Agnieszka Sieczkowska, Piotr Landowski, Pawel Zagozdzon, Barbara Kaminska, Carlos Lifschitz
No abstract text is available yet for this article.
August 10, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28799094/hydrogen-breath-test-to-detect-small-intestinal-bacterial-overgrowth-a-prevalence-case-control-study-in-autism
#6
Li Wang, Yu-Mei Yu, You-Qi Zhang, Jie Zhang, Na Lu, Na Liu
The aim of this study is to assess the prevalence of small intestinal bacterial overgrowth (SIBO) by hydrogen breath test in patients with autism spectrum disorders (ASD) with respect to a consistent control group. From 2011 to 2013, 310 children with ASD and 1240 sex- and age-matched typical children were enrolled in this study to undergo glucose breath test. The study participants were considered to exhibit SIBO when an increase in H2 of ≥20 ppm or CH4 of ≥10 ppm with respect to the fasting value was observed up to 60 min after the ingestion of glucose...
August 10, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28795339/impact-of-nasopharyngeal-microbiota-on-the-development-of-respiratory-tract-diseases
#7
REVIEW
S Esposito, N Principi
Knowledge of whether and how respiratory microbiota composition can prime the immune system and provide colonisation resistance, limiting consecutive pathobiont overgrowth and infections, is essential to improving the prevention and therapy of respiratory disorders. Modulation of dysbiotic ecosystems or reconstitution of missing microbes might be a possible measure to reduce respiratory diseases. The aim of this review is to analyse the role of nasopharyngeal microbiota in the development of respiratory tract disease in paediatric-age subjects...
August 9, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28771242/pancreatic-and-intestinal-function-post-roux-en-y-gastric-bypass-surgery-for-obesity
#8
Stephen J D O'Keefe, Tina Rakitt, Junhai Ou, Ihab I El Hajj, Elizabeth Blaney, Kishore Vipperla, Jens-Jules Holst, Jens Rehlfeld
OBJECTIVES: Despite the fact that the most effective treatment for morbid obesity today is gastric bypass surgery, some patients develop life-threatening nutritional complications associated with their weight loss. METHODS: Here we examine the influence of the altered anatomy and digestive physiology on pancreatic secretion and fat absorption. Thirteen post Roux-en-Y gastric bypass (RYGB) patients who had lost >100 lbs in the first year following surgery and who gave variable histories of gastrointestinal (GI) dysfunction, were selected for study...
August 3, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28770351/meta-analysis-proton-pump-inhibitors-moderately-increase-the-risk-of-small-intestinal-bacterial-overgrowth
#9
REVIEW
Tingting Su, Sanchuan Lai, Allen Lee, Xingkang He, Shujie Chen
The use of proton pump inhibitors (PPIs) may potentially predispose to the development of small intestinal bacterial overgrowth (SIBO), but this association is controversial due to conflicting results from studies conducted to date. The aim of this meta-analysis was to evaluate the association between the use of PPIs and the risk of SIBO. We systematically searched the online PubMed, Embase, and Cochrane Library databases and Web of Science for relevant articles published up to November 2016. Two researchers identified and extracted data independent of each other...
August 2, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28763464/efficacy-of-antibiotherapy-for-treating-flatus-incontinence-associated-with-small-intestinal-bacterial-overgrowth-a-pilot-randomized-trial
#10
Chloé Melchior, Guillaume Gourcerol, Valérie Bridoux, Philippe Ducrotté, Jean-François Quinton, Anne-Marie Leroi
AIM: An increase in intestinal gas production due to small intestinal bowel overgrowth (SIBO) is a contributing factor for flatus incontinence. The aims of our study were to assess the efficacy of metronidazole in a select population of patients with flatus incontinence associated with SIBO and to compare its efficacy with that of a combination of simethicone and activated charcoal (SC; Carbosylane) in randomized experimental arms. METHODS: Adult patients suffering from flatus incontinence associated with SIBO diagnosed by a glucose breath test were enrolled in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28756502/aciduric-strains-of-lactobacillus-reuteri-and-lactobacillus-rhamnosus-isolated-from-human-feces-have-strong-adhesion-and-aggregation-properties
#11
Kyle B Klopper, Shelly M Deane, Leon M T Dicks
Human feces were streaked onto MRS Agar adjusted to pH 2.5, 3.0, and 6.4, respectively, and medium supplemented with 1.0% (w/v) bile salts. Two aciduric strains, identified as Lactobacillus reuteri HFI-LD5 and Lactobacillus rhamnosus HFI-K2 (based on 16S rDNA and recA sequences), were non-hemolytic and did not hydrolyze mucin. The surface of Lactobacillus reuteri HFI-LD5 cells has a weak negative charge, whereas Lactobacillus rhamnosus HFI-K2 has acidic and basic properties, and produces exopolysaccharides (EPS)...
July 29, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28755263/phage-host-associations-in-a-full-scale-activated-sludge-plant-during-sludge-bulking
#12
Ruyin Liu, Rong Qi, Juan Wang, Yu Zhang, Xinchun Liu, Simona Rossetti, Valter Tandoi, Min Yang
Sludge bulking, a notorious microbial issue in activated sludge plants, is always accompanied by dramatic changes in the bacterial community. Despite large numbers of phages in sludge systems, their responses to sludge bulking and phage-host associations during bulking are unknown. In this study, high-throughput sequencing of viral metagenomes and bacterial 16S rRNA genes were employed to characterize viral and bacterial communities in a sludge plant under different sludge conditions (sludge volume index (SVI) of 180, 132, and 73 ml/g)...
July 29, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28743092/polycyclic-aromatic-hydrocarbons-pahs-enrich-their-degrading-genera-and-genes-in-human-impacted-aquatic-environments
#13
Ke Yuan, Baowei Chen, Qing Qing, Shichun Zou, Xiaowei Wang, Tiangang Luan
Bacterial degradation is an important clearance pathway for organic contaminants from highly human-impacted environments. However, it is not fully understood how organic contaminants are selected for degradation by bacteria and genes in aquatic environments. In this study, PAH degrading bacterial genera and PAH-degradation-related genes (PAHDGs) in sediments collected from the Pearl River (PR), the Pearl River Estuary (PRE) and the South China Sea (SCS), among which there were distinct differences in anthropogenic impact, were analyzed using metagenomic approaches...
July 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28714103/hunger-and-microbiology-is-a-low-gastric-acid-induced-bacterial-overgrowth-in-the-small-intestine-a-contributor-to-malnutrition-in-developing-countries
#14
Shafiqul A Sarker, Tahmeed Ahmed, Harald Brüssow
Underproduction of hydrochloric acid into the stomach is frequently encountered in subjects from developing countries. We explore the hypothesis that hypochlorhydria compromises the gastric barrier and favours bacterial overgrowth in the proximal parts of the small intestine where nutrient absorption takes place. Food calories are thus deviated into bacterial metabolism. In addition to an adequate caloric supply, correcting hypochlorhydria might be needed to decrease childhood malnutrition.
July 17, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28702130/new-insights-in-ibs-like-disorders-pandora-s-box-has-been-opened-a-review
#15
REVIEW
Raffaele Borghini, Giuseppe Donato, Domenico Alvaro, Antonio Picarelli
The most complained gastrointestinal symptoms are chronic diarrhea, bloating and abdominal pain. Once malignancies and inflammatory bowel diseases are excluded, irritable bowel syndrome (IBS) and the so called "IBS-like disorders" should be taken into account. The relationship between IBS as defined by Rome IV criteria and these clinical conditions is sometimes obscure, since many IBS patients identify food as a possible trigger for their symptoms. Here, we discuss IBS and the most common IBS-like disorders (celiac disease, non-celiac gluten sensitivity, fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAPs), lactose intolerance, small intestinal bacterial overgrowth (SIBO), α-amylase/trypsin inhibitor (ATIs), nickel allergic contact mucositis), focusing on epidemiologic, clinical, diagnostic and therapeutic aspects...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28682571/-pragmatic-study-on-the-role-of-ultrasounds-in-the-management-infectious-complications-of-peritoneal-catheter
#16
Giovanni Somma, Gerardo Trattelli, Carmine Coppola, Maria Auricchio
The role of ultrasound (US) is extremely important in the early detection (diagnosis) of peritoneal catheter tunnel infection (TI) in subjects with catheter exit-site infection (ESI), also for the therapeutic follow up of tunnel infection and in particular to evaluate (assess) the prognosis in cases of deep infection. ESI is the major cause of peritonitis because it is associated to bacterial migration and overgrowth which involve deep cuff and then the tunnel. The use of US is now widely recognized, it allows the identification of persistent foci as hypoechoic pericatheter areas and specially to evaluate response to antibiotic therapy...
April 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28680437/knots-untie-molecular-determinants-involved-in-knot-formation-induced-by-pseudomonas-savastanoi-in-woody-hosts
#17
REVIEW
Eloy Caballo-Ponce, Jesús Murillo, Marta Martínez-Gil, Alba Moreno-Pérez, Adrián Pintado, Cayo Ramos
The study of the molecular basis of tree diseases is lately receiving a renewed attention, especially with the emerging perception that pathogens require specific pathogenicity and virulence factors to successfully colonize woody hosts. Pathosystems involving woody plants are notoriously difficult to study, although the use of model bacterial strains together with genetically homogeneous micropropagated plant material is providing a significant impetus to our understanding of the molecular determinants leading to disease...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28679338/reduced-interstitial-cells-of-cajal-and-increased-intraepithelial-lymphocytes-are-associated-with-development-of-small-intestinal-bacterial-overgrowth-in-post-infectious-ibs-mouse-model
#18
Binrui Chen, Shuwen Zhu, Lijun Du, Huiqin He, John J Kim, Ning Dai
OBJECTIVE: Intestinal dysmotility and immune activation are likely involved in the pathogenesis of small intestinal bacteria overgrowth (SIBO) in irritable bowel syndrome (IBS). We aimed at investigating the role of interstitial cells of Cajal (ICC) and intestinal inflammation in the development of SIBO using a post-infectious IBS (PI-IBS) mouse model. MATERIALS AND METHODS: NIH mice were randomly infected with Trichinella spiralis. Visceral sensitivity and stool pattern were assessed at 8-weeks post-infection (PI)...
July 5, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28672432/pros-and-cons-while-looking-through-an-asian-window-on-the-rome-iv-criteria-for-irritable-bowel-syndrome-pros
#19
REVIEW
Uday C Ghoshal
A decade after Rome III, in 2016, Rome IV criteria were published. There are major differences between Rome IV and the earlier iteration, some of which are in line with Asian viewpoints. The clinical applicability of the Rome IV criteria of irritable bowel syndrome (IBS) in Asian perspective is reviewed here. Instead of considering functional gastrointestinal disorders (FGIDs) to be largely psychogenic, Rome IV suggested the importance of the gut over brain ("disorders of gut-brain interaction" not "brain-gut interaction")...
July 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28666309/rediscover-the-clinical-value-of-small-intestinal-bacterial-overgrowth-in-patients-with-intestinal-beh%C3%A3-et-s-disease
#20
Jung Hyun Jo, Soo Jung Park, Jae Hee Cheon, Tae Il Kim, Won Ho Kim
Background/Aims Many patients with intestinal Behçet's disease (BD) still suffer from gastrointestinal symptoms despite the disease being in endoscopic or radiological remission. Previous studies report that small intestinal bacterial overgrowth (SIBO) can be associated with inflammatory bowel disease. However, there have been no reports about SIBO in patients with intestinal BD. We sought to identify the frequency of SIBO in patients with inactive intestinal BD by HBT and to investigate the efficacy of rifaximin as a treatment for SIBO...
June 30, 2017: Journal of Gastroenterology and Hepatology
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