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Gastrointestinal motility disorders

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https://www.readbyqxmd.com/read/28226352/-postoperative-complication-registration-in-gastric-cancer-surgery-from-2005-to-2016-a-learning-curve-in-our-institution
#1
Zhouqiao Wu, Jinyao Shi, Fei Shan, Ziyu Li, Jiafu Ji
OBJECTIVE: To analyze the change in postoperative complication rate after gastric cancer surgery registered in the Peking University Cancer Hospital in recent 11 years and the learning curve of complication registration, and to investigate how to improve the complication registration and evaluation in gastric cancer surgery. METHODS: Patients who underwent open or laparoscopic gastric cancer surgery between April 14, 2005 and February 15, 2016 in our institution were included in the study, and those without essential clinical and administrative data were excluded...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28216898/depolarizing-effects-of-daikenchuto-on-interstitial-cells-of-cajal-from-mouse-small-intestine
#2
Hyungwoo Kim, Hyun Jung Kim, Dongki Yang, Myeong Ho Jung, Byung Joo Kim
BACKGROUND: Daikenchuto (DKT; TJ-100, TU-100), a traditional herbal medicineis used in modern medicine to treat gastrointestinal (GI) functional disorders. Interstitial cells of Cajal (ICCs) are the pacemaker cells of the GI tract and play important roles in the regulation of GI motility. OBJECTIVE: The objective of this study was to investigate the effects of DKT on the pacemaker potentials (PPs) of cultured ICCs from murine small intestine. MATERIALS AND METHODS: Enzymatic digestions were used to dissociate ICCs from mouse small intestine tissues...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28214088/a-case-of-seropositive-autoimmune-autonomic-ganglionopathy-with-diffuse-esophageal-spasm
#3
Nobutoshi Morimoto, Sakuma Takahashi, Tomoki Inaba, Motonori Takamiya, Yasuhiko Kageyama, Mizuki Morimoto, Yoshiaki Takahashi, Hirotake Nishimura, Shunya Nakane, Koji Abe
Autoimmune autonomic ganglionopathy (AAG) is an immune-mediated disorder that leads to various autonomic failures associated with anti-ganglionic acetylcholine receptor antibodies (anti-gAChR-Abs). Diffuse esophageal spasm (DES) is an uncommon esophageal motility disorder. We herein report the case of a 68-year-old woman with DES as a partial symptom of AAG. She presented with chronic esophageal transit failure, constipation, and numbness of the hands and feet, Adie's pupil, thermal hypoalgesia, and decreased deep tendon reflexes...
February 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28207290/fatty-acid-and-mineral-receptors-as-drug-targets-for-gastrointestinal-disorders
#4
Pawin Pongkorpsakol, Aekkacha Moonwiriyakit, Chatchai Muanprasat
Nutrient-sensing receptors, including fatty acid receptors (FFA1-FFA4), Ca(2+)-sensing receptors and Zn(2+)-sensing receptors, are involved in several biological processes. These receptors are abundantly expressed in the GI tract, where they have been shown to play crucial roles in regulating GI function. This review provides an overview of the GI functions of fatty acid and mineral receptors, including the regulation of gastric and enteroendocrine functions, GI motility, ion transport and cell growth. Recently, several lines of evidence have implicated these receptors as promising therapeutic targets for the treatment of GI disorders, for example, inflammatory bowel disease, colorectal cancer, metabolic syndrome and diarrheal diseases...
February 16, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28191707/mechanisms-underlying-reflux-symptoms-and-dysphagia-in-patients-with-joint-hypermobility-syndrome-with-and-without-postural-tachycardia-syndrome
#5
A Fikree, Q Aziz, D Sifrim
BACKGROUND: The joint hypermobility syndrome (JHS) is a common non-inflammatory connective tissue disorder which frequently co-exists with postural tachycardia syndrome (PoTS), a form of orthostatic intolerance. Gastrointestinal symptoms and dysmotility have been reported in PoTS. Dysphagia and reflux are common symptoms in JHS, yet no studies have examined the physiological mechanism for these, subdivided by PoTS status. METHODS: Thirty patients (28 female, ages: 18-62) with JHS and symptoms of reflux (n=28) ± dysphagia (n=25), underwent high-resolution manometry and 24 hour pH-impedance monitoring after questionnaire-based symptom assessment...
February 12, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28191706/g-protein-coupled-estrogen-receptor-and-estrogen-receptor-ligands-regulate-colonic-motility-and-visceral-pain
#6
M Zielińska, J Fichna, M Bashashati, S Habibi, A Sibaev, J-P Timmermans, M Storr
BACKGROUND: Diarrhea-predominant irritable bowel syndrome (IBS-D) is a functional gastrointestinal (GI) disorder, which occurs more frequently in women than men. The aim of our study was to determine the role of activation of classical estrogen receptors (ER) and novel membrane receptor, G protein-coupled estrogen receptor (GPER) in human and mouse tissue and to assess the possible cross talk between these receptors in the GI tract. METHODS: Immunohistochemistry was used to determine the expression of GPER in human and mouse intestines...
February 12, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28187396/methyl-orvinol-dual-activity-opioid-receptor-ligand-inhibits-gastrointestinal-transit-and-alleviates-abdominal-pain-in-the-mouse-models-mimicking-diarrhea-predominant-irritable-bowel-syndrome
#7
Marta Zielińska, Agata Jarmuż, Andrzej Wasilewski, Gerta Cami-Kobeci, Stephen Husbands, Jakub Fichna
BACKGROUND: Diarrhea-predominant irritable bowel syndrome (IBS-D) is a functional disorder of the gastrointestinal (GI) tract. The major IBS-D symptoms include diarrhea, abdominal pain and discomfort. High density of opioid receptors (ORs) in the GI tract and their participation in the maintenance of GI homeostasis make ORs ligands an attractive option for developing new anti-IBS-D treatments. The aim of this study was to characterize the effect of methyl-orvinol on the GI motility and secretion and in mouse models mimicking symptoms of IBS-D...
December 5, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28186368/gastrointestinal-involvement-in-the-ehlers-danlos-syndromes
#8
Asma Fikree, Gisela Chelimsky, Heidi Collins, Katcha Kovacic, Qasim Aziz
Current evidence suggests that an association exists between non-inflammatory hereditary disorders of connective tissue such as the Ehlers-Danlos syndromes (EDS) and gastrointestinal (GI) symptoms. Patients with EDS can present with both structural problems such as hiatus hernias, visceroptosis, rectoceles, and rectal prolapse as well as functional problems such as disordered gut motility. It has recently been demonstrated that patients with hypermobile EDS (hEDS) present with GI symptoms related to the fore and hind-gut and these patients frequently meet the criteria for functional gastrointestinal disorders such as functional dyspepsia and irritable bowel syndrome...
February 10, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28161834/cannabinoid-receptors-in-regulating-the-gi-tract-experimental-evidence-and-therapeutic-relevance
#9
Ulrike Taschler, Carina Hasenoehrl, Martin Storr, Rudolf Schicho
Cannabinoid receptors are fundamentally involved in all aspects of intestinal physiology, such as motility, secretion, and epithelial barrier function. They are part of a broader entity, the so-called endocannabinoid system which also includes their endocannabinoid ligands and the ligands' synthesizing/degrading enzymes. The system has a strong impact on the pathophysiology of the gastrointestinal tract and is believed to maintain homeostasis in the gut by controlling hypercontractility and by promoting regeneration after injury...
February 5, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28127997/investigational-drug-therapies-for-the-treatment-of-gastroparesis
#10
Gareth J Sanger, Pankaj Jay Pasricha
Gastroparesis is defined by nausea, vomiting, pain, early satiety and bloating, and characterized by delayed gastric emptying without obvious structural abnormalities. Metoclopramide is widely used, increasing gastric emptying and inhibiting nausea and vomiting. Other drugs are available in certain countries and some are used 'off-label' because they increase gastric emptying or inhibit emesis. However, correlation between gastroparesis symptoms and rates of gastric emptying is poor. For anti-emetic drugs, dose-ranging and Phase III trials in gastroparesis are lacking...
January 27, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28125561/o-013-dietary-emulsifiers-directly-impact-the-human-gut-microbiota-increasing-its-pro-inflammatory-potential-and-ability-to-induce-intestinal-inflammation
#11
Benoit Chassaing, Tom Van de Wiele, Andrew Gewirtz
BACKGROUND: The intestinal microbiota plays a central role in the development of many chronic inflammatory diseases including inflammatory bowel disease. Accordingly, we recently demonstrated that administration of substances that alter microbiota composition, including the dietary emulsifiers polysorbate 80 (P80) and carboxymethylcellulose (CMC), promotes such inflammatory disorders. However, because inflammation itself impacts microbiota composition, it is very difficult to discern the extent to which these compounds or other substances act directly upon the microbiota versus acting on host parameters that promote inflammation, which subsequently reshapes impacts the microbiota...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28116789/motility-of-campylobacter-concisus-isolated-from-saliva-feces-and-gut-mucosal-biopsies
#12
Sandra Ovesen, Karina Frahm Kirk, Hans Linde Nielsen, Henrik Nielsen
Campylobacter concisus is an emerging pathogen associated with gastrointestinal disorders such as gastroenteritis and inflammatory bowel diseases (IBD), but the species is also found in healthy subjects. The heterogeneous genome of C. concisus increases the likelihood of varying virulence between strains. Flagella motility is a crucial virulence factor for the well-recognized Campylobacter jejuni; therefore, this study aimed to analyze the motility of C. concisus isolated from saliva, gut biopsies, and feces of patients with IBD, gastroenteritis, and healthy subjects...
January 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28115057/optogenetic-demonstration-of-functional-innervation-of-mouse-colon-by-neurons-derived-from-transplanted-neural-cells
#13
Lincon A Stamp, Rachel M Gwynne, Jaime P P Foong, Alan E Lomax, Marlene M Hao, David I Kaplan, Christopher A Reid, Steven Petrou, Andrew M Allen, Joel C Bornstein, Heather M Young
BACKGROUND & AIMS: Cell therapy offers the potential to treat gastrointestinal motility disorders caused by diseased or absent enteric neurons. We examined whether neurons generated from transplanted enteric neural cells provide a functional innervation of bowel smooth muscle in mice. METHODS: Enteric neural cells expressing the light-sensitive ion channel, channelrhodopsin, were isolated from the fetal or postnatal mouse bowel and transplanted into the distal colon of 3-4 week old wild-type recipient mice...
January 20, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28113227/a-theoretical-analysis-of-electrogastrography-egg-signatures-associated-with-gastric-dysrhythmias
#14
Stefan Calder, Gregory O'Grady, Leo Cheng, Peng Du
Routine screening and accurate diagnosis of chronic gastrointestinal motility disorders represents a significant problem in current clinical practice. The electrogastrography (EGG) provides a non-invasive option for assessing gastric slow waves, as a means of diagnosing gastric dysrhythmias, but its uptake in motility practice has been limited partly due to an incomplete sensitivity and specificity. This paper presents the development of a human whole-organ gastric model to enable virtual (insilico) testing of gastric electrophysiological dispersion in order to improve the diagnostic accuracy of EGG...
September 30, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28110300/irritable-bowel-syndrome-and-diet
#15
REVIEW
Piero Portincasa, Leonilde Bonfrate, Ornella de Bari, Anthony Lembo, Sarah Ballou
Irritable bowel syndrome (IBS) is a chronic functional disorder of the gastrointestinal tract and is one of the most commonly diagnosed gastrointestinal diseases. The impact of IBS on the general population is large due to its high prevalence, suboptimal medical treatments and significant economic burden. The pathophysiology of IBS is complex and treatments are often symptom-specific. The most common therapeutic approaches for IBS include education and reassurance, lifestyles (especially nutrition-based interventions), peripherally acting medications (which typically target motility), centrally acting medications (which target visceral hypersensitivity and pain) and psychological interventions (which aim to reduce the effects of stress or symptom-specific anxiety)...
January 20, 2017: Gastroenterology Report
https://www.readbyqxmd.com/read/28105529/upper-gi-disorders-pathophysiology-and-current-therapeutic-approaches
#16
Henry P Parkman
Symptoms referable to the upper digestive tract are associated with abnormalities of upper gastric neuromuscular function including abnormalities of motility, sensation, and absorption. Of the upper digestive tract, the stomach is of particular importance in its role in symptom generation, and is highlighted in this chapter. Gastric symptoms can be associated with alterations in the rates of gastric emptying, impaired accommodation, heightened gastric sensation, or alterations in gastric myoelectrical activity and contractility...
January 20, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28078679/diet-induced-dysmotility-and-neuropathy-in-the-gut-precedes-endotoxemia-and-metabolic-syndrome-the-chicken-and-the-egg-revisited
#17
Yvonne Elikplim Akua Nyavor, Onesmo Begira Balemba
Neuropathy of the enteric nervous system (ENS) is one of the major underlying causes of debilitating gastrointestinal (GI) motility disorders in diabetic patients. This article is protected by copyright. All rights reserved.
January 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28063509/function-of-obestatin-in-the-digestive-system
#18
REVIEW
Yue-Xian Xing, Liu Yang, Hong-Yu Kuang, Xin-Yuan Gao, Hao-Ling Liu
Physical health has a direct relationship with digestive function. Any abnormalities in the link may cause malnutrition, endocrine disorders, and the decline of organ functions. Obestatin, a biologically active peptide, is encoded by the ghrelin gene. Most studies suggest that obestatin is a pleiotropic peptide, which acts by suppressing the motility of the gastrointestinal tract, regulating the secretion of insulin, reducing inflammation and apoptosis, and promoting proliferation. These characteristics suggest that obestatin may represent an efficient way to prevent the occurrence and development of some digestive diseases...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28061975/the-place-of-stress-and-emotions-in-the-irritable-bowel-syndrome
#19
S Pellissier, B Bonaz
Our emotional state can have many consequences on our somatic health and well-being. Negative emotions such as anxiety play a major role in gut functioning due to the bidirectional communications between gut and brain, namely, the brain-gut axis. The irritable bowel syndrome (IBS), characterized by an unusual visceral hypersensitivity, is the most common disorder encountered by gastroenterologists. Among the main symptoms, the presence of current or recurrent abdominal pain or discomfort associated with bloating and altered bowel habits characterizes this syndrome that could strongly alter the quality of life...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28018097/contraindications-for-video-capsule-endoscopy
#20
REVIEW
Dirk Bandorski, Niehls Kurniawan, Peter Baltes, Reinhard Hoeltgen, Matthias Hecker, Dominik Stunder, Martin Keuchel
Video capsule endoscopy (VCE) has been applied in the last 15 years in an increasing field of applications. Although many contraindications have been put into perspective, some precautions still have to be considered. Known stenosis of the gastrointestinal tract is a clear contraindication for VCE unless surgery is already scheduled or at least has been considered as an optional treatment modality. In patients with a higher incidence of stenosis, as in an established diagnosis of Crohn's disease, clinical signs of obstruction, prior radiation or surgical small bowel resection, a preceding test with the self-dissolving patency capsule can override this contraindication...
December 7, 2016: World Journal of Gastroenterology: WJG
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