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Gastroenterology

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31 papers 1000+ followers
By Faye Kehler Family Physician and GP Anesthetist since 1987 interested in all aspects of Medicine
https://www.readbyqxmd.com/read/21123674/acotiamide-hydrochloride-z-338-a-new-selective-acetylcholinesterase-inhibitor-enhances-gastric-motility-without-prolonging-qt-interval-in-dogs-comparison-with-cisapride-itopride-and-mosapride
#1
COMPARATIVE STUDY
Yugo Matsunaga, Takao Tanaka, Koji Yoshinaga, Shigeru Ueki, Yuko Hori, Runa Eta, Yoshihiro Kawabata, Kazuyoshi Yoshii, Kenji Yoshida, Toshihiro Matsumura, Shigeru Furuta, Mineo Takei, Jan Tack, Zen Itoh
Acotiamide hydrochloride (acotiamide; N-[2-[bis(1-methylethyl) amino]ethyl]-2-[(2-hydroxy-4,5-dimethoxybenzoyl) amino] thiazole-4-carboxamide monohydrochloride trihydrate, Z-338) has been reported to improve meal-related symptoms of functional dyspepsia in clinical studies. Here, we examined the gastroprokinetic effects of acotiamide and its antiacetylcholinesterase activity as a possible mechanism of action in conscious dogs. Acotiamide increased postprandial gastric motor activity in conscious dogs with chronically implanted force transducers and, like itopride, mosapride, and cisapride, exhibited gastroprokinetic activity in these dogs...
March 2011: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27639387/a-double-blind-placebo-controlled-study-of-acotiamide-hydrochloride-for-efficacy-on-gastrointestinal-motility-of-patients-with-functional-dyspepsia
#2
RANDOMIZED CONTROLLED TRIAL
Kumiko Nakamura, Toshihiko Tomita, Tadayuki Oshima, Haruki Asano, Takahisa Yamasaki, Takuya Okugawa, Takashi Kondo, Tomoaki Kono, Katsuyuki Tozawa, Yoshio Ohda, Hirokazu Fukui, Fukushima Kazuhito, Shozo Hirota, Jiro Watari, Hiroto Miwa
BACKGROUND: Acotiamide is widely used to improve symptoms in patients with functional dyspepsia (FD) in multiple large-scale clinical studies, but there are few reports about the drug's mechanism of action. The aim of this study was to assess the effects of acotiamide on gastric accommodation and gastric emptying, gastrointestinal symptoms, and health-related quality of life (HR-QOL) in a placebo-controlled study. METHODS: We conducted a randomized, double-blind placebo-controlled study...
May 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28761578/esophageal-motility-and-rikkunshito-treatment-for-proton-pump-inhibitor-refractory-nonerosive-reflux-disease-a-prospective-uncontrolled-open-label-pilot-study-trial
#3
Takeo Odaka, Shigeru Yamato, Osamu Yokosuka
BACKGROUND: Only a few reports focused on esophageal motility in patients with proton pump inhibitor (PPI)-refractory nonerosive reflux disease (NERD) and there has been no established strategy for treatment. OBJECTIVE: To clarify the characteristics of esophageal motility in patients with PPI-refractory NERD, we evaluated esophageal function using combined multichannel intraluminal impedance and esophageal manometry (MII-EM). In addition, we evaluated the efficacy of rikkunshito (RKT), which is a gastrointestinal prokinetic agent...
2017: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/15897439/spectrum-of-esophageal-motility-disorders-implications-for-diagnosis-and-treatment
#4
Marco G Patti, Maria V Gorodner, Carlos Galvani, Pietro Tedesco, Piero M Fisichella, James W Ostroff, Karen C Bagatelos, Lawrence W Way
BACKGROUND: The named primary esophageal motility disorders (PEMDs) are achalasia, diffuse esophageal spasm (DES), nutcracker esophagus (NE), and hypertensive lower esophageal sphincter (HTN-LES). Although the diagnosis and treatment of achalasia are well defined, such is not the case with the other disorders. HYPOTHESIS: (1) Symptoms do not reliably distinguish PEMDs from gastroesophageal reflux disease; (2) esophageal function tests are essential to this distinction and to identifying the type of PEMD; (3) minimally invasive surgery is effective for each condition; and (4) the laparoscopic approach is better than the thoracoscopic approach...
May 2005: Archives of Surgery
https://www.readbyqxmd.com/read/20299604/inflammatory-mediators-in-gastroesophageal-reflux-disease-impact-on-esophageal-motility-fibrosis-and-carcinogenesis
#5
REVIEW
Florian Rieder, Piero Biancani, Karen Harnett, Lisa Yerian, Gary W Falk
Gastroesophageal reflux disease (GERD) is one of the most common problems in clinical practice today. It is widely believed that functional and structural abnormalities of the gastroesophageal junction as well as an abnormal exposure to gastroduodenal contents are the main contributors to its pathogenesis. Novel findings of the inflammatory process in GERD suggest a far more complex process involving multifaceted inflammatory mechanisms. This review summarizes knowledge about the expression of inflammatory mediators in GERD and their potential cellular sources and provides an integrated concept of disease pathogenesis...
May 2010: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27326454/effects-of-acotiamide-on-the-esophageal-motility-function-in-patients-with-esophageal-motility-disorders-a-pilot-study
#6
Kazumasa Muta, Eikichi Ihara, Keita Fukaura, Osamu Tsuchida, Toshiaki Ochiai, Kazuhiko Nakamura
BACKGROUND AND AIM: Acotiamide is a newly developed prokinetic drug that is clinically used to treat functional dyspepsia (FD). The objective of this study was to assess the therapeutic effects of acotiamide in patients with esophageal motility disorders (EMDs). METHODS: Twenty-nine patients with both symptoms of FD and symptoms suspicious of EMDs were enrolled. Esophageal motility function was evaluated by high-resolution manometry before and after 2 weeks administration of acotiamide (100 mg) 3 times per day...
2016: Digestion
https://www.readbyqxmd.com/read/27337985/complications-of-botulinum-toxin-injections-for-treatment-of-esophageal-motility-disorders%C3%A2
#7
MULTICENTER STUDY
Froukje B van Hoeij, Jan F Tack, John E Pandolfino, Joel M Sternbach, Sabine Roman, André J P M Smout, Albert J Bredenoord
In achalasia and spastic esophageal motility disorders, botulinum toxin (botox) injection is considered an effective and low-risk procedure for short-term symptom relief. It is mainly offered to medically high-risk patients. However, no analysis of risks of botox injections has been performed. To determine the incidence and risk factors of procedure-related complications after esophageal botox injections, we analyzed the records of all patients undergoing botox injection therapy for esophageal motility disorders at four university hospitals in Europe and North America between 2008 and 2014...
February 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28589298/changes-in-esophageal-motility-after-acupuncture
#8
Felipe M Vieira, Fernando A M Herbella, Daniel H Habib, Marco G Patti
BACKGROUND: Chinese medicine is widely used in the East with good results for the treatment of many diseases. Acupuncture has been increasingly used and recognized as a complementary medical treatment. Some studies on gastrointestinal motility are available; however, acupuncture effect on esophageal motility is still elusive due to the lack of studies with adequate methodology. This study aims to evaluate acupuncture effect on esophageal motility. METHODS: We studied 16 (50% females, mean age 26 years) volunteers...
August 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/25503359/effect-of-laparoscopic-antireflux-surgery-on-esophageal-motility
#9
COMPARATIVE STUDY
Hans F Fuchs, Christian A Gutschow, Sebastian Brinkmann, Till Herbold, Marc Bludau, Wolfgang Schröder, Elfriede Bollschweiler, Arnulf H Hölscher, Jessica M Leers
BACKGROUND/AIMS: The effect of laparoscopic antireflux surgery on esophageal motility is incompletely understood, and any indication for this procedure in patients with motility disorder is disputed in literature. We evaluated the influence of laparoscopic Nissen fundoplication on impaired esophageal motility. METHODS: In this pathological manometric study, we divided the patients into two groups preoperatively: the hypomotility group (mean amplitude of esophageal contraction wave <40 mm Hg; HYPO group, n = 11) and the normal group (mean amplitude of esophageal contraction wave >40 mm Hg; NORM group, n = 43)...
2014: Digestive Surgery
https://www.readbyqxmd.com/read/26498923/esophageal-motility-after-peroral-endoscopic-myotomy-for-achalasia
#10
Yue Hu, Meng Li, Bin Lu, Lina Meng, Yihong Fan, Haibiao Bao
BACKGROUND: Peroral endoscopic myotomy (POEM) has been introduced as a novel endoscopic treatment for achalasia. The aim of this work is to assess the changes in esophageal motility caused by POEM in patients with achalasia. METHODS: Forty-one patients with achalasia underwent POEM from September 2012 to November 2014. Esophageal motility of all patients was evaluated preoperatively and 1 month after POEM utilizing high-resolution manometry, which was performed with ten water swallows, ten steamed bread swallows, and multiple rapid swallows (MRS)...
May 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28884884/a-randomized-double-blind-placebo-controlled-crossover-style-trial-of-buspirone-in-functional-dysphagia-and-ineffective-esophageal-motility
#11
Nitin Aggarwal, Prashanthi Nagavenkata Thota, Rocio Lopez, Scott Gabbard
BACKGROUND: Studies suggest that Ineffective Esophageal Motility (IEM) is the manometric correlate of Functional Dysphagia (FD). Currently, there is no accepted therapy for either condition. Buspirone is a serotonin modulating medication and has been shown to augment esophageal peristaltic amplitude in healthy volunteers. We aimed to determine if buspirone improves manometric parameters and symptoms in patients with overlapping IEM/FD. METHODS: We performed a prospective, double-blind, placebo-controlled, crossover-style trial of 10 patients with IEM/FD...
February 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/25847137/a-utility-of-peroral-endoscopic-myotomy-poem-across-the-spectrum-of-esophageal-motility-disorders
#12
Toshitaka Hoppo, Shyam J Thakkar, Lana Y Schumacher, Yoshihiro Komatsu, Steve Choe, Amit Shetty, Sara Bloomer, Emily J Lloyd, Ali H Zaidi, Mathew A VanDeusen, Rodney J Landreneau, Abhijit Kulkarni, Blair A Jobe
BACKGROUND: Peroral endoscopic myotomy (POEM) has been performed as a novel endoscopic procedure to treat achalasia with favorable outcome. The objective of this study was to assess the outcome of POEM in our initial series and to assess the safety and efficacy of POEM in a variety of esophageal motility-related clinical problems. METHODS: This is a retrospective cross-sectional study involving all patients with esophageal motility disorders defined by the Chicago classification, who had undergone consideration for POEM at our institution...
January 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/25039642/prevalence-of-esophageal-motility-abnormalities-increases-with-longer-disease-duration-in-adult-patients-with-eosinophilic-esophagitis
#13
Bram D van Rhijn, Jac M Oors, Andreas J P M Smout, Albert J Bredenoord
BACKGROUND: During the natural course of eosinophilic esophagitis (EoE), the risk for esophageal stricture formation increases. It remains unknown whether motility abnormalities in EoE also develop over time. We aimed to determine the relationship between disease duration, clinical characteristics, and manometric pattern of EoE patients. METHODS: We compared esophageal high-resolution manometry (HRM) measurements of 31 adult EoE patients with HRM data from 31 GERD controls and 31 healthy controls...
September 2014: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/26560097/safety-of-proton-pump-inhibitors-and-risk-of-gastric-cancers-review-of-literature-and-pathophysiological-mechanisms
#14
REVIEW
Yanna Ko, James Tang, Santosh Sanagapalli, Bong Sik Matthew Kim, Rupert W Leong
INTRODUCTION: Despite being an overall safe drug, several long-term adverse effects are associated with proton pump inhibitors (PPIs). The link between PPI use and gastric neuroendocrine tumors (NETs), gastric adenocarcinomas and Barrett's esophagus progression gastric cancers has been investigated due to PPI-induced hypergastrinemia. AREAS COVERED: The pathophysiological mechanisms underlying PPI exposure and gastric NETs, gastric adenocarcinomas and Barrett's esophagus progression are discussed...
January 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28078798/systematic-review-with-meta-analysis-rifaximin-is-effective-and-safe-for-the-treatment-of-small-intestine-bacterial-overgrowth
#15
REVIEW
L Gatta, C Scarpignato
BACKGROUND: Small intestinal bacterial overgrowth (SIBO) is a heterogeneous syndrome, characterised by an increased number and/or abnormal type of bacteria in the small bowel. Over the past decades, rifaximin has gained popularity for this indication despite its use is not evidence based. AIM: To perform a systematic review and meta-analysis to summarise evidence about the efficacy and safety of rifaximin to eradicate SIBO in adult patients. METHODS: MEDLINE, EMBASE, CCRCT, Scopus and Web of Science were searched from inception to March 16, 2015 for RCTs and observational studies...
March 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/20572300/small-intestinal-bacterial-overgrowth-syndrome
#16
REVIEW
Jan Bures, Jiri Cyrany, Darina Kohoutova, Miroslav Förstl, Stanislav Rejchrt, Jaroslav Kvetina, Viktor Vorisek, Marcela Kopacova
Human intestinal microbiota create a complex polymicrobial ecology. This is characterised by its high population density, wide diversity and complexity of interaction. Any dysbalance of this complex intestinal microbiome, both qualitative and quantitative, might have serious health consequence for a macro-organism, including small intestinal bacterial overgrowth syndrome (SIBO). SIBO is defined as an increase in the number and/or alteration in the type of bacteria in the upper gastrointestinal tract. There are several endogenous defence mechanisms for preventing bacterial overgrowth: gastric acid secretion, intestinal motility, intact ileo-caecal valve, immunoglobulins within intestinal secretion and bacteriostatic properties of pancreatic and biliary secretion...
June 28, 2010: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28257716/the-risks-and-benefits-of-long-term-use-of-proton-pump-inhibitors-expert-review-and-best-practice-advice-from-the-american-gastroenterological-association
#17
REVIEW
Daniel E Freedberg, Lawrence S Kim, Yu-Xiao Yang
BACKGROUND & AIMS: The purpose of this review is to evaluate the risks associated with long-term use of proton pump inhibitors (PPIs), focusing on long-term use of PPIs for three common indications: gastroesophageal reflux disease (GERD), Barrett's esophagus (BE), and non-steroidal anti-inflammatory drug (NSAID) bleeding prophylaxis. METHODS: The recommendations outlined in this review are based on expert opinion and on relevant publications from PubMed, EMbase, and the Cochrane library (through July 2016)...
March 2017: Gastroenterology
https://www.readbyqxmd.com/read/27840364/25-years-of-proton-pump-inhibitors-a-comprehensive-review
#18
REVIEW
Daniel S Strand, Daejin Kim, David A Peura
Proton pump inhibitors (PPIs) were clinically introduced more than 25 years ago and have since proven to be invaluable, safe, and effective agents for the management of a variety of acid-related disorders. Although all members in this class act in a similar fashion, inhibiting active parietal cell acid secretion, there are slight differences among PPIs relating to their pharmacokinetic properties, metabolism, and Food and Drug Administration (FDA)-approved clinical indications. Nevertheless, each is effective in managing gastroesophageal reflux disease and uncomplicated or complicated peptic ulcer disease...
January 15, 2017: Gut and Liver
https://www.readbyqxmd.com/read/27325300/evidence-based-clinical-practice-guidelines-for-gastroesophageal-reflux-disease-2015
#19
REVIEW
Katsuhiko Iwakiri, Yoshikazu Kinoshita, Yasuki Habu, Tadayuki Oshima, Noriaki Manabe, Yasuhiro Fujiwara, Akihito Nagahara, Osamu Kawamura, Ryuichi Iwakiri, Soji Ozawa, Kiyoshi Ashida, Shuichi Ohara, Hideyuki Kashiwagi, Kyoichi Adachi, Kazuhide Higuchi, Hiroto Miwa, Kazuma Fujimoto, Motoyasu Kusano, Yoshio Hoshihara, Tatsuyuki Kawano, Ken Haruma, Michio Hongo, Kentaro Sugano, Mamoru Watanabe, Tooru Shimosegawa
As an increase in gastroesophageal reflux disease (GERD) has been reported in Japan, and public interest in GERD has been increasing, the Japanese Society of Gastroenterology published the Evidence-based Clinical Practice Guidelines for GERD (1st edition) in 2009. Six years have passed since its publication, and there have been a large number of reports in Japan concerning the epidemiology, pathophysiology, treatment, and Barrett's esophagus during this period. By incorporating the contents of these reports, the guidelines were completely revised, and a new edition was published in October 2015...
August 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/26347156/mechanisms-and-management-of-refractory-coeliac-disease
#20
REVIEW
Tom van Gils, Petula Nijeboer, Roy L van Wanrooij, Gerd Bouma, Chris J J Mulder
A small subset of patients with coeliac disease become refractory to a gluten-free diet with persistent malabsorption and intestinal villous atrophy. The most common cause of this condition is inadvertent gluten exposure, but concomitant diseases leading to villous atrophy should also be considered and excluded. After exclusion of these conditions, patients are referred to as having refractory coeliac disease, of which two categories are recognized based on the absence (type I) or presence (type II) of a clonal expansion of premalignant intraepithelial lymphocyte population with a high potential for transformation into an overt enteropathy-associated T-cell lymphoma...
October 2015: Nature Reviews. Gastroenterology & Hepatology
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