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Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society

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https://www.readbyqxmd.com/read/28730748/extracellular-signal-regulated-kinase-activation-in-the-spinal-cord-contributes-to-visceral-hypersensitivity-induced-by-craniofacial-injury-followed-by-stress
#1
Y-J Zhao, J-H Li, B Hu, Y Wang, X-F Chang, R J Traub, D-Y Cao
BACKGROUND: We previously developed an animal model to examine mechanisms that underlie the emergence of visceral hypersensitivity modeling pain characteristics of temporomandibular disorder (TMD) patients with comorbid irritable bowel syndrome (IBS). In ovariectomized (OVx) rats with estradiol (E2) replacement, visceral hypersensitivity developed subsequent to masseter muscle inflammation followed by repeated forced swim (FS) stress. The purpose of this study was to investigate whether activation of extracellular signal-regulated kinase (ERK) in the spinal cord contributes to visceral hypersensitivity in this overlapping pain model...
July 21, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28730720/microstructural-white-matter-brain-abnormalities-in-patients-with-idiopathic-fecal-incontinence
#2
J Muthulingam, S Haas, T M Hansen, S Laurberg, L Lundby, H S Jørgensen, A M Drewes, K Krogh, J B Frøkjaer
BACKGROUND: Abnormal central nervous system processing of visceral sensation may be a part of the pathogenesis behind idiopathic fecal incontinence (IFI). Our aim was to characterize brain differences in patients with IFI and healthy controls by means of structural magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI). METHODS: In 21 female patients with IFI and 15 female healthy controls, whole-brain structural differences in gray matter volume (GMV), cortical thickness, and white matter tracts fractional anisotropy (FA) were quantified...
July 21, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28730686/high-resolution-manometry-assessment-of-the-lower-esophageal-sphincter-after-contraction-normative-values-and-clinical-correlation
#3
D A Carlson, P J Kahrilas, M Tye, Z Listernick, K Ritter, I Wong, Y Xiao, V Bul, J E Pandolfino
BACKGROUND: The Chicago Classification v3.0 proposed extending the distal contractile integral (DCI) measurement domain to include the lower esophageal sphincter (LES) to enhance the detection of esophageal hypercontractility. However, normative and clinical data for this approach are unreported. We aimed to describe the application of an extended DCI measurement in asymptomatic controls and patients. METHODS: High-resolution manometry (HRM) of 65 asymptomatic controls and 72 patients with normal motility were evaluated retrospectively...
July 21, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28718999/resilience-is-decreased-in-irritable-bowel-syndrome-and-associated-with-symptoms-and-cortisol-response
#4
S H Park, B D Naliboff, W Shih, A P Presson, E J Videlock, T Ju, L Kilpatrick, A Gupta, E A Mayer, L Chang
BACKGROUND: Irritable bowel syndrome (IBS) is a stress-sensitive disorder associated with early adverse life events (EALs) and a dysregulated hypothalamic-pituitary-adrenal (HPA) axis. Resilience is the ability to recover and adapt positively to stress but has not been well studied in IBS. The aims of this study are to compare resilience in IBS and healthy controls (HCs) and to assess its relationships with IBS symptom severity, quality of life (QOL), EALs, and HPA axis response. METHODS: Two hundred fifty-six subjects (154 IBS, 102 HCs) completed questionnaires for resilience (Connor-Davidson Resilience Scale [CD-RISC] and Brief Resilience Scale [BRS]), IBS symptoms, IBS-QOL, and EALs...
July 18, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28714277/free-fatty-acid-receptor-3-activation-suppresses-neurogenic-motility-in-rat-proximal-colon
#5
I Kaji, Y Akiba, T Furuyama, D W Adelson, K Iwamoto, M Watanabe, A Kuwahara, J D Kaunitz
BACKGROUND: Short-chain fatty acids (SCFA) are microbial fermentation products absorbed by the colon. We recently reported that activation of the SCFA receptor termed free fatty acid receptor 3 (FFA3), expressed on cholinergic nerves, suppresses nicotinic acetylcholine receptor (nAChR)-mediated transepithelial anion secretion. This study aimed to clarify how activation of neurally expressed FFA3 affects colonic motor function. METHODS: FFA3-expressing myenteric neurons were identified by immunostaining; contractions of isolated circular muscle strips obtained from rat proximal colon were measured by isometric transducers...
July 17, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28714091/habitual-diet-and-diet-quality-in-irritable-bowel-syndrome-a%C3%A2-case-control-study
#6
E F Tigchelaar, Z Mujagic, A Zhernakova, M A M Hesselink, S Meijboom, C W M Perenboom, A A M Masclee, C Wijmenga, E J M Feskens, D M A E Jonkers
BACKGROUND: Diet is considered to be a key factor in symptom generation in Irritable Bowel Syndrome (IBS) and patients tend to exclude food products from their diet in pursue of symptom relief, which may impair diet quality. METHODS: We evaluated habitual dietary intake in IBS patients with regard to nutrients and food products using an extensive food frequency questionnaire. One hundred ninety-four IBS patients were compared to 186 healthy controls using multiple logistic regression analysis...
July 17, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28707437/long-term-impact-of-the-low-fodmap-diet-on-gastrointestinal-symptoms-dietary-intake-patient-acceptability-and-healthcare-utilization-in-irritable-bowel-syndrome
#7
M O'Keeffe, C Jansen, L Martin, M Williams, L Seamark, H M Staudacher, P M Irving, K Whelan, M C Lomer
BACKGROUND: The low-FODMAP diet is a frequently used treatment for irritable bowel syndrome (IBS). Most research has focused on short-term FODMAP restriction; however, guidelines recommend that high-FODMAP foods are reintroduced to individual tolerance. This study aimed to assess the long-term effectiveness of the low-FODMAP diet following FODMAP reintroduction in IBS patients. METHODS: Patients with IBS were prospectively recruited to a questionnaire study following completion of dietitian-led low-FODMAP education...
July 14, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28707402/upper-esophageal-sphincter-ues-metrics-on-high-resolution-manometry-hrm-differentiate-achalasia-subtypes
#8
P Blais, A Patel, G S Sayuk, C P Gyawali
BACKGROUND: The upper esophageal sphincter (UES) reflexively responds to bolus presence within the esophageal lumen, therefore UES metrics can vary in achalasia. METHODS: Within consecutive patients undergoing esophageal high-resolution manometry (HRM), 302 patients (58.2±1.0 year, 57% F) with esophageal outflow obstruction were identified, and compared to 16 asymptomatic controls (27.7±0.7 year, 56% F). Esophageal outflow obstruction was segregated into achalasia subtypes 1, 2, and 3, and esophagogastric junction outflow obstruction (EGJOO with intact peristalsis) using Chicago Classification v3...
July 14, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28703341/esophageal-function-testing-billing-and-coding-update
#9
REVIEW
A Khan, B Massey, S Rao, J Pandolfino
Esophageal function testing is being increasingly utilized in diagnosis and management of esophageal disorders. There have been several recent technological advances in the field to allow practitioners the ability to more accurately assess and treat such conditions, but there has been a relative lack of education in the literature regarding the associated Common Procedural Terminology (CPT) codes and methods of reimbursement. This review, commissioned and supported by the American Neurogastroenterology and Motility Society Council, aims to summarize each of the CPT codes for esophageal function testing and show the trends of associated reimbursement, as well as recommend coding methods in a practical context...
July 13, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28699250/the-pharyngeal-contractile-integral-is-a-useful-indicator-of-pharyngeal-swallowing-impairment
#10
A O'Rourke, K Humphries, A Lazar, B Martin-Harris
BACKGROUND: A limitation to the expanded use of high-resolution pharyngeal manometry (HRPM) in clinical practice is the lack of useful pharyngeal parameters that are easy to interpret, generalizable between patients, and do not require specialized software. In this study, we sought to test the relationship between the pharyngeal contractile integral (PhCI) with videofluoroscopic abnormalities as assessed with the Modified Barium Swallow Impairment Profile(©) ™. METHODS: Adult dysphagic patients were recruited to undergo simultaneous HRPM and videofluoroscopy during a standardized swallowing protocol...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28695708/targeting-fatty-acid-amide-hydrolase-and-transient-receptor-potential-vanilloid-1-simultaneously-to-modulate-colonic-motility-and-visceral-sensation-in-the-mouse-a-pharmacological-intervention-with-n-arachidonoyl-serotonin-aa-5-ht
#11
M Bashashati, J Fichna, F Piscitelli, R Capasso, A A Izzo, A Sibaev, J-P Timmermans, N Cenac, N Vergnolle, V Di Marzo, M Storr
BACKGROUND: Endocannabinoid anandamide (AEA) inhibits intestinal motility and visceral pain, but it may also be proalgesic through transient receptor potential vanilloid-1 (TRPV1). AEA is degraded by fatty acid amide hydrolase (FAAH). This study explored whether dual inhibition of FAAH and TRPV1 reduces diarrhea and abdominal pain. METHODS: Immunostaining was performed on myenteric plexus of the mouse colon. The effects of the dual FAAH/TRPV1 inhibitor AA-5-HT on electrically induced contractility, excitatory junction potential (EJP) and fast (f) and slow (s) inhibitory junction potentials (IJP) in the mouse colon, colonic propulsion and visceromotor response (VMR) to rectal distension were studied...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28695661/relationships-between-gastric-slow-wave-frequency-velocity-and-extracellular-amplitude-studied-by-a-joint-experimental-theoretical-approach
#12
T H-H Wang, P Du, T R Angeli, N Paskaranandavadivel, J C Erickson, T L Abell, L K Cheng, G O'Grady
BACKGROUND: Gastric slow wave dysrhythmias are accompanied by deviations in frequency, velocity, and extracellular amplitude, but the inherent association between these parameters in normal activity still requires clarification. This study quantified these associations using a joint experimental-theoretical approach. METHODS: Gastric pacing was conducted in pigs with simultaneous high-resolution slow wave mapping (32-256 electrodes; 4-7.6 mm spacing). Relationships between period, velocity, and amplitude were quantified and correlated for each wavefront...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28695632/the-effect-of-mirtazapine-on-gastric-accommodation-gastric-sensitivity-to-distention-and-nutrient-tolerance-in-healthy-subjects
#13
F Carbone, T Vanuytsel, J Tack
BACKGROUND: Disturbances of gastric motor function of functional dyspepsia (FD) have been implicated in the pathogenesis of the symptoms, and hence, motility modifying agents are considered for its treatment. Mirtazapine was recently shown to improve symptoms and increase nutrient tolerance in FD patients with weight loss. We aim to evaluate the effect of mirtazapine on gastric sensorimotor function in healthy volunteers (HV). METHODS: Thirty-one HV underwent an intragastric pressure (IGP) and barostat measurements on separate days before and after 3 weeks of placebo or mirtazapine (15 mg)...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28695626/mucosal-glucagon-like-peptide-1-glp-1-responses-are-mediated-by-calcitonin-gene-related-peptide-cgrp-in-the-mouse-colon-and-both-peptide-responses-are-area-specific
#14
I R Tough, R Moodaley, H M Cox
BACKGROUND: Glucagon-like peptide (GLP)-1 is an incretin hormone and its mimetics are proven antidiabetic and antiobesity drugs. GLP-1 exerts antimotility and mucosal proliferative activities but its epithelial ion transport effects are uncharacterized and these may contribute to the gastrointestinal (GI) disturbance, i.e., diarrhea experienced with some GLP-1 mimetics. Our aim was to establish GLP-1 agonist mechanisms and identify potential mucosal mediator(s) in the colonic tissue from C57BL/6J mice...
July 11, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28695660/a-randomized-placebo-controlled-trial-on-the-effects-of-menthacarin-a-proprietary-peppermint-and-caraway-oil-preparation-on-symptoms-and-quality-of-life-in-patients-with-functional-dyspepsia
#15
G Rich, A Shah, N Koloski, P Funk, B Stracke, S Köhler, G Holtmann
BACKGROUND: Functional dyspepsia (FD) is a very common condition affecting more than 10% of the population. While there is no cure, a few drugs have been found to be effective for the relief of symptoms, although most are only effective in a subgroup of patients. We assess and compare the efficacy of a fixed peppermint/caraway-oil-combination (Menthacarin) on symptoms and quality of life (QoL) in patients with FD symptoms consistent with epigastric pain syndrome (EPS) and postprandial distress syndrome (PDS)...
July 10, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28681569/diagnostic-use-of-endoscopic-full-thickness-wall-resection-eftr-a-novel-minimally-invasive-technique-for-colonic-tissue-sampling-in-patients-with-severe-gastrointestinal-motility-disorders
#16
P V Valli, D Pohl, M Fried, R Caduff, P Bauerfeind
BACKGROUND: Complex gastrointestinal (GI) motility disorders such as chronic intestinal pseudo-obstruction (CIPO) or Hirschsprung's disease (HD) are challenging to diagnose and treat appropriately. Thorough assessment of patient history, radiographic exams, endoscopy, and motility measurements aid in diagnostic workup, yet underlying histology is the cornerstone to enable a more distinct diagnosis of neuromuscular GI disorders. Traditionally, surgical procedures have been performed to obtain specimen suitable for accurate histologic analysis...
July 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28681496/transcutaneous-sacral-nerve-stimulation-for-intraoperative-verification-of-internal-anal-sphincter-innervation
#17
D W Kauff, T Moszkowski, C Wegner, A Heimann, K-P Hoffmann, T B Krüger, H Lang, W Kneist
BACKGROUND: The current standard for pelvic intraoperative neuromonitoring (pIONM) is based on intermittent direct nerve stimulation. This study investigated the potential use of transcutaneous sacral nerve stimulation for non-invasive verification of pelvic autonomic nerves. METHODS: A consecutive series of six pigs underwent low anterior rectal resection. For transcutaneous sacral nerve stimulation, an array of ten electrodes (cathodes) was placed over the sacral foramina (S2 to S4)...
July 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28675524/biomarkers-for-visceral-hypersensitivity-in-patients-with-irritable-bowel-syndrome
#18
Z Mujagic, D M A E Jonkers, S Ludidi, D Keszthelyi, M A Hesselink, Z Z R M Weerts, R N Kievit, J F Althof, C Leue, J W Kruimel, F J van Schooten, A A M Masclee
BACKGROUND: Increased visceral sensitivity is observed in up to 60% of patients with Irritable Bowel Syndrome (IBS). Mucosal inflammation, altered neuroendocrine activity and intraluminal metabolic processes may contribute to the development of visceral hypersensitivity. Previously, we demonstrated that biomarkers, indicative for these biological processes, were altered in IBS patients compared to healthy controls. However, how these processes relate to visceral hypersensitivity is unknown...
July 3, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28665038/efficacy-of-a-standardized-extract-of-matricariae-chamomilla-l-melissa-officinalis-l-and-tyndallized-lactobacillus-acidophilus-ha122-in-infantile-colic-an-open-randomized-controlled-trial
#19
M Martinelli, D Ummarino, F P Giugliano, E Sciorio, C Tortora, D Bruzzese, D De Giovanni, I Rutigliano, S Valenti, C Romano, A Campanozzi, E Miele, A Staiano
BACKGROUND: Infant colic (IC) is a prevalent physiological event of infants, which can disrupt the child's home environment. We aimed to investigate the effectiveness of a mixture of Matricariae chamomilla L., Melissa officinalis L. and tyndallized Lactobacillus acidophilus (HA122) compared with Lactobacillus reuteri DSM 17938 and with simethicone for the treatment of IC. METHODS: A multicenter randomized comparative study was conducted in infants with colic, according to Rome III criteria, who were randomly assigned to receive M...
June 30, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28656720/down-regulation-of-fibronectin-and-the-correlated-expression-of-neuroligin-in-hirschsprung-disease
#20
Y Zheng, X Lv, D Wang, N Gao, Q Zhang, A Li
AIM: The goal of this study was to investigate the expression of fibronectin (FN) and the correlated abundance of neuroligins (NLs) in the enteric nervous system (ENS) and to find a novel diagnostic marker in the serum of Hirschsprung disease (HSCR) patients. METHODS: The expression levels of FN, neuroligin-1 and neuroligin-2 were detected in 114 children with or without HSCR. The expression and localization of the NLs and FN were assessed morphologically by immunohistochemical staining...
June 28, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
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