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Gastrointestinal motility

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https://www.readbyqxmd.com/read/28440922/pseudomonas-aeruginosa-and-post-tracheotomy-bacterial-respiratory-tract-infection-readmissions
#1
Christopher J Russell, Tamara D Simon, Mary R Mamey, Christopher J L Newth, Michael N Neely
OBJECTIVE: Identify risk factors for readmission due to a bacterial tracheostomy-associated respiratory tract infection (bTARTI) within 12 months of discharge after tracheotomy. DESIGN/METHODS: We performed a retrospective cohort study of 240 children who underwent tracheotomy and were discharged with tracheotsomy in place between January 1, 2005 and June 30, 2013. Children with prolonged total or post-tracheotomy length of stay (LOS), less than 12 months of follow-up, or who died during the index hospitalization were excluded...
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28440477/synchronized-dual-pulse-gastric-electrical-stimulation-improves-gastric-emptying-and-activates-enteric-glial-cells-via-upregulation-of-gfap-and-s100b-with-different-courses-of-subdiaphragmatic-vagotomy-in-rats
#2
Nian Wang, Shuangning Song, Jie Chen
Previous research and clinical practice have indicated that damage to the vagal nerve may seriously affect gastrointestinal physiological movement behavior. The aim of the current study was to observe the change of gastric motility, as well as enteric glial cells (EGCs) in the stomach with different courses of vagal nerve transection in rats prior to and following synchronized dual pulse gastric electrical stimulation. The gastric emptying rates were measured to assess the gastric motility. The glial markers, containing calcium binding protein (S100B) and glial fibrillary acidic protein (GFAP), were detected by reverse transcription‑quantitative polymerase chain reaction and double‑labeling immunofluorescence analysis...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28429903/causes-of-interruptions-in-postoperative-enteral-nutrition-in-children-with-congenital-heart-disease
#3
Jirong Qi, Zhuo Li, Yueshuang Cun, Xiaonan Li
BACKGROUND AND OBJECTIVES: Perioperative nutritional support has become a hot topic in the clinical management of congenital heart disease (CHD). Postoperative enteral nutrition (EN) offers many benefits, such as protection of the intestinal mucosa, reduced risk of infection, and low clinical costs. Interruptions in EN frequently influence nutritional support and clinical outcomes. We, therefore, aimed to determine the causes of interruptions in postoperative EN in CHD patients and discuss clinical counter measures...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28424994/modulation-of-gastrointestinal-motility-beyond-metoclopramide-and-domperidone-pharmacological-and-clinical-evidence-for-phytotherapy-in-functional-gastrointestinal-disorders
#4
Ahmed Madisch, Bettina R Vinson, Heba Abdel-Aziz, Olaf Kelber, Karen Nieber, Karin Kraft, Martin Storr
The prokinetic cisapride, an important therapeutic option in functional gastrointestinal (GI) disorders, was withdrawn from the market 15 years ago due to rare severe side effects. Likewise in 2014, the use of metoclopramide (MCP) and domperidone in functional GI disorders (FGID) was restricted, consequently leaving a therapeutic gap in clinical practice. A systematic review revealed that the herbal medicinal product (HMP) STW 5 presents a therapeutic option equivalent to MCP and cisapride. STW 5 is the only HMP for which efficacy has been shown in randomized controlled clinical trials (RCTs) in functional dyspepsia and irritable bowel syndrome, based on its multitarget effect on numerous etiological factors...
April 19, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28421777/quality-control-of-enteral-nutrition-therapy-in-cancer-patients-at-nutritional-risk
#5
Ariana Lee, Ronaldo Sousa Oliveira Filho, Thais De Campos Cardenas, Gislaine Aparecida Ozório, Juliana Pereira Lima Gropp, Dan Linetzky Waitzberg
INTRODUCTION: Quality indicators in nutritional therapy (QINTs) allow for the practical assessment of quality in the management of enteral nutrition therapy (ENT) among hospitalized patients. OBJECTIVE: To control ENT quality in cancer patients at nutritional risk. METHODS: A prospective, observational study was performed with cancer patients over 19 years of age who had undergone exclusive ENT for at least 72 h. Nutritional Risk Screening was used to assess nutritional risk; in the presence of nutritional risk, the Subjective Global Assessment (SGA) was used...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28419527/the-rectosigmoid-brake-review-of-an-emerging-neuromodulation-target-for-colorectal-functional-disorders
#6
Anthony Y Lin, Phil G Dinning, Tony Milne, Ian P Bissett, Gregory O'Grady
The regulation of gastrointestinal motility encompasses several overlapping mechanisms including highly regulated and coordinated neurohormonal circuits. Various feedback mechanisms or 'brakes' have been proposed. While duodenal, jejunal, and ileal brakes are well described, a putative distal colonic brake is less well defined. Despite the high prevalence of colonic motility disorders, there is little knowledge of colonic motility owing to difficulties with organ access and technical difficulties in recording detailed motor patterns along its entire length...
April 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28418087/traumatic-stress-induced-persistent-changes-in-dna-methylation-regulate-neuropeptide-y-expression-in-rat-jejunum
#7
S Sagarkar, S Mahajan, A G Choudhary, C D Borkar, D M Kokare, A J Sakharkar
BACKGROUND: Stress-induced chronic neuropsychiatric conditions such as anxiety are often co-morbid with gastrointestinal malfunctions. While we find enduring anxiety-like symptoms following minimal traumatic brain injury (MTBI) in rats, gastrointestinal consequences of MTBI remain elusive. METHODS: In this study, we examined the effects of MTBI on a major gut peptide, neuropeptide Y (NPY) and gut motility. DNA methylation was studied as a possible epigenetic mechanism operative in the regulation of NPY expression in the gut...
April 18, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28413456/role-of-stem-cell-growth-factor-c-kit-in-the-pathogenesis-of-irritable-bowel-syndrome
#8
Yuna Chai, Yusheng Huang, Hongmei Tang, Xing Tu, Jianbo He, Ting Wang, Qingye Zhang, Fen Xiong, Detang Li, Zhenwen Qiu
Irritable bowel syndrome (IBS) is a functional bowel disease with a complicated etiopathogenesis, often characterized by gastrointestinal motility disorder and high visceral sensitivity. IBS is a comprehensive multi-systemic disorder, with the interaction of multiple factors, such as mental stress, intestinal function and flora, heredity, resulting in the disease. The existence of a common mechanism underlying the aforementioned factors is currently unknown. The lack of therapies that comprehensively address the disease symptoms, including abdominal pain and diarrhea, is a limitation of current IBS management...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409324/generation-and-characterization-of-polyclonal-and-monoclonal-antibodies-to-human-ntpdase2-including-a-blocking-antibody
#9
Julie Pelletier, Hervé Agonsanou, Ninotchska Delvalle, Michel Fausther, Mabrouka Salem, Brian Gulbransen, Jean Sévigny
Nucleoside triphosphate diphosphohydrolase-2 (NTPDase2) is an ectonucleotidase that modulates P2 receptor activation by hydrolyzing ATP to ADP. In rodents, NTPDase2 is expressed by several specialized cell types such as vascular adventitial cells, neuroglial cells, hepatic portal fibroblasts, gustatory type I cells, and cells within the connective tissues of reproductive and gastrointestinal organs. Much less is known regarding the expression and function of NTPDase2 in humans. Here, we developed specific research tools to study human NTPDase2...
April 13, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28407837/-effects-of-embryonic-lead-exposure-on-food-intake-and-bowel-movement-in-offspring-rats-and-possible-mechanisms
#10
Jian-Ping Zhou, Fan Wang, Xiao-Qing Yi, Xue-Ying Wang, Yong-Sheng Jiang, Yan Geng, Jing-Jing Wang
OBJECTIVE: To study the effects of embryonic lead exposure on food intake and bowel movement in offspring rats and possible mechanisms. METHODS: Sprague-Dawley rats were given 0.1% (low-dose lead exposure group) or 0.2% (high-dose lead exposure group) lead acetate freely during pregnancy to establish an animal model of embryonic lead exposure. A blank control group was also established. The male offspring rats were enrolled in the study, and 10 male offspring rats from each group were selected to observe the changes in food intake, bowel movement, gastric emptying, intestine propulsion, and pathological inflammatory response in the gastric mucosa...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28406734/effects-of-trang-phuc-linh-plus-food-supplement-on-irritable-bowel-syndrome-induced-by-mustard-oil
#11
Thong T Nguyen, Duong T Dau, Dung C Nguyen, Huong T T G Nguyen, Phuong T B Ngo, Thai Q Nguyen, Bo Han, Ba X Hoang
Trang phuc linh plus (TPLP) is a food supplement product derived from dried extracts of herbal agents Atractylodes macrocephala, Poria cocos, Paeonia lactiflora, Phellodendron amurense, and added lactobacillus fermentum lysate (ImmuneGamma(®)) and 5-hydroxytryptophan. TPLP is a functional food used as adjunctive treatment for treating irritable bowel syndrome (IBS). However the biological effect and its mechanism of action in IBS have not been elucidated. In this study, we aimed to determine the pharmacological activities and mode of action of TPLP on IBS animal models...
April 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28403821/defining-the-transcriptomic-landscape-of-the-developing-enteric-nervous-system-and-its-cellular-environment
#12
Sweta Roy-Carson, Kevin Natukunda, Hsien-Chao Chou, Narinder Pal, Caitlin Farris, Stephan Q Schneider, Julie A Kuhlman
BACKGROUND: Motility and the coordination of moving food through the gastrointestinal tract rely on a complex network of neurons known as the enteric nervous system (ENS). Despite its critical function, many of the molecular mechanisms that direct the development of the ENS and the elaboration of neural network connections remain unknown. The goal of this study was to transcriptionally identify molecular pathways and candidate genes that drive specification, differentiation and the neural circuitry of specific neural progenitors, the phox2b expressing ENS cell lineage, during normal enteric nervous system development...
April 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28403066/non-hemodynamic-effects-of-catecholamines
#13
Clair Hartmann, Peter Radermacher, Martin Wepler, Benedikt Nubaum
Circulatory shock is defined as an imbalance between tissue oxygen supply and demand, and mostly results from a loss of blood volume, cardiac pump failure and/or reduction of vasomotor tone. The clinical hallmarks of circulatory shock are arterial hypotension and lactate acidosis. Since the degree and duration of hypotension are major determinants of outcome, vasopressor administration represents a cornerstone therapy to treat these patients. Current guidelines recommend the use of catecholamines as the drug of first choice...
April 11, 2017: Shock
https://www.readbyqxmd.com/read/28398233/therapeutic-potential-of-targeting-the-ghrelin-pathway
#14
REVIEW
Gustav Colldén, Matthias H Tschöp, Timo D Müller
Ghrelin was discovered in 1999 as the endogenous ligand of the growth-hormone secretagogue receptor 1a (GHSR1a). Since then, ghrelin has been found to exert a plethora of physiological effects that go far beyond its initial characterization as a growth hormone (GH) secretagogue. Among the numerous well-established effects of ghrelin are the stimulation of appetite and lipid accumulation, the modulation of immunity and inflammation, the stimulation of gastric motility, the improvement of cardiac performance, the modulation of stress, anxiety, taste sensation and reward-seeking behavior, as well as the regulation of glucose metabolism and thermogenesis...
April 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28397382/immunotropic-aspect-of-the-bacillus-coagulans-probiotic-action
#15
Tatiana V Bomko, Tatiana N Nosalskaya, Tatiana V Kabluchko, Yury V Lisnyak, Artur V Martynov
OBJECTIVES: Currently, probiotics are increasingly used as the alternative to antibiotics as well as the preventive measures in humans. In particular, probiotics occupy a key position in the treatment of antibiotics-associated intestinal dysbiosis. A spore-forming microorganism lactobacillus Bacillus coagulans is one of the most promising probiotics. However, some of its pharmacological effects remain poorly understood. This study was aimed at investigation of the effect of B. coagulans (Laktovit Forte) on the intestinal dysbiosis syndrome in mice caused by streptomycin against the background of cyclophosphamide-induced cellular immunodeficiency...
April 11, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28396658/characterisation-of-aerotolerant-forms-of-a-robust-chicken-colonizing-campylobacter-coli
#16
Peter M O'Kane, Ian F Connerton
Campylobacter contaminated poultry meat is a major source of human foodborne illness. Campylobacter coli strain OR12 is a robust colonizer of chickens that was previously shown to outcompete and displace other Campylobacter strains from the chicken's gastrointestinal tract. This strain is capable of aerobic growth on blood agar. Serial aerobic passage increased this aerotolerance as assessed by quantitative assays for growth and survival on solid media. Aerotolerance was also associated with increased peroxide stress resistance...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28396512/pro-inflammatory-cytokine-driven-pi3k-akt-sp1-signaling-and-h2s-production-facilitates-the-pathogenesis-of-severe-acute-pancreatitis
#17
Ying Liu, Ribin Liao, Zhanrong Qiang, Cheng Zhang
Severe acute pancreatitis (SAP) is a disease usually associated with systemic organ dysfunction or pancreatic necrosis. Most patients with SAP suffer from defective intestinal motility in the early phase of the disease. Additionally, SAP-induced inflammation produces hydrogen sulfide (H2S) that impairs the gastrointestinal (GI) system. However, the exact mechanism of H2S in the regulation of SAP is yet to be elucidated. In this paper, we use a rat model of SAP to evaluate the role of H2S on intestinal motility by counting the number of bowel movements and investigating the effect of H2S on inflammation...
April 10, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28393826/-possibilities-of-ph-impedance-and-high-resolution-manometry-in-managing-patients-with-refractory-gastroesophageal-reflux-disease
#18
I V Maev, E V Barkalova, M A Ovsepyan, Yu A Kucheryavyi, D N Andreev
Gastroesophageal reflux disease (GERD) is a common condition that has a substantial impact on quality of life in patients and is a leading risk factor for esophageal adenocarcinoma. Now therapy with proton pump inhibitors (PPIs) is a basic method in the treatment of patients with GERD; however, one third of the patients do not respond to the therapy used. The causes of refractory GERD are a fairly large group of heterogeneous factors contributing to the inefficacy of PPIs in adequate dosage. Among these factors, there is low compliance by patients to the prescribed treatment regimen; nocturnal acid breakthrough; СУР2С19 gene polymorphism; chiasm syndrome with functional diseases of the gastrointestinal tract; non-acidic refluxes in a patient; thoracic esophageal motility disorders; the increased number and duration of transient lower esophageal sphincter relaxation periods; hiatus hernia; and misdiagnosis...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28392455/the-effect-of-sparkling-water-on-intraluminal-formulation-behaviour-and-systemic-drug-performance
#19
Jens Van Den Abeele, Joachim Brouwers, Eveline Deloose, Jan Tack, Patrick Augustijns
In the context of mediating intra- and inter-individual variability in systemic drug exposure after oral drug administration, this small-scale, crossover study aimed to investigate the effect of drug intake with sparkling water on fasted state gastric motor function and subsequent (variability in) intraluminal and systemic drug disposition. For this purpose, healthy human volunteers were asked to ingest a conventional paracetamol tablet with either tap or sparkling water, after which antroduodenal motility as well as intraluminal and systemic drug disposition were monitored as a function of time...
April 6, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28386950/gastrointestinal-disorders-in-curry-jones-syndrome-clinical-and-molecular-insights-from-an-affected-newborn
#20
Kristen Wigby, Stephen R F Twigg, Ryan Broderick, Katherine P Davenport, Andrew O M Wilkie, Stephen W Bickler, Marilyn C Jones
Curry-Jones syndrome (CJS) is a pattern of malformation that includes craniosynostosis, pre-axial polysyndactyly, agenesis of the corpus callosum, cutaneous and gastrointestinal abnormalities. A recurrent, mosaic mutation of SMO (c.1234 C>T; p.Leu412Phe) causes CJS. This report describes the gastrointestinal and surgical findings in a baby with CJS who presented with abdominal obstruction and reviews the spectrum of gastrointestinal malformations in this rare disorder. A 41-week, 4,165 g, female presented with craniosynostosis, pre-axial polysyndactyly, and cutaneous findings consistent with a clinical diagnosis of CJS...
April 6, 2017: American Journal of Medical Genetics. Part A
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