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Gastric emptying

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https://www.readbyqxmd.com/read/28319546/gastric-fluid-volume-change-after-oral-rehydration-solution-intake-in-morbidly-obese-and-normal-controls-a-magnetic-resonance-imaging-based-analysis
#1
Toshie Shiraishi, Dai Kurosaki, Mitsuyo Nakamura, Taiji Yazaki, Satomi Kobinata, Yosuke Seki, Kazunori Kasama, Hideki Taniguchi
BACKGROUND: Although preoperative fluid intake 2 hours before anesthesia is generally considered safe, there are concerns about delayed gastric emptying in obese subjects. In this study, the gastric fluid volume (GFV) change in morbidly obese subjects was investigated after ingesting an oral rehydration solution (ORS) and then compared with that in nonobese subjects. METHODS: GFV change over time after the ingestion of 500 mL of ORS containing 2.5% carbohydrate (OS-1) was measured in 10 morbidly obese subjects (body mass index [BMI], >35) scheduled for bariatric surgery and 10 nonobese (BMI, 19-24) using magnetic resonance imaging...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28317316/severely-impaired-gastric-accommodation-is-a-hallmark-of-post-nissen-functional-dyspepsia-symptoms
#2
A Pauwels, V Boecxstaens, C Broers, J F Tack
BACKGROUND: Laparoscopic Nissen fundoplication is a commonly performed antireflux surgery, after which reflux symptoms are well controlled, however, complications such as inability to belch or dyspeptic symptoms (mimicking those of functional dyspepsia [FD]) might occur. The aim of the study was to prospectively evaluate symptom pattern and underlying pathophysiological mechanisms in patients with post-Nissen dyspepsia. METHODS: Twenty-four patients (12 f, mean age 44...
March 20, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28316225/-the-clinical-impact-of-artery-first-approach-combined-with-vascular-resection-and-reconstruction-in-the-treatment-of-pancreatic-head-carcinoma
#3
J L Huang, W G Li, F Z Chen, Z J Su, F M Li, B Liu
Objective: To evaluate the application of artery first, combined vascular resection and reconstruction in the treatment of pancreatic head carcinoma. Methods: The clinical data of 13 patients with pancreatic head cancer were retrospectively analyzed from February 2014 to March 2016 in the Affiliated Hospital of Xiamen University. Preoperative computed tomography of high resolution layer or magnetic resonance imaging examination demonstrated pancreatic head carcinoma, as well as close adhesion, stenosis, compression or displacement of superior mesenteric vein or portal vein wall...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28300821/impact-of-cftr-modulation-on-intestinal-ph-motility-and-clinical-outcomes-in-patients-with-cystic-fibrosis-and-the-g551d-mutation
#4
Daniel Gelfond, Sonya Heltshe, Changxing Ma, Steven M Rowe, Carla Frederick, Ahmet Uluer, Leonard Sicilian, Michael Konstan, Elizabeth Tullis, R N Christine Roach, Katherine Griffin, Elizabeth Joseloff, Drucy Borowitz
OBJECTIVES: A defect in bicarbonate secretion contributes to the pathophysiology of gastrointestinal complications in patients with cystic fibrosis (CF). We measured gastrointestinal pH, clinical outcomes, and intestinal transit profiles in patients with the G551D mutation before and after treatment with ivacaftor, a CF transmembrane regulator channel (CFTR) potentiator. METHODS: Observational studies of ivacaftor effectiveness were conducted in the United States and Canada...
March 16, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28292633/the-outcomes-of-the-pancreaticoduodenectomy-in-patients-aged-80-or-older-a-systematic-review-and-meta-analysis
#5
REVIEW
Sandy Y Kim, Laurence Weinberg, Christopher Christophi, Mehrdad Nikfarjam
BACKGROUND: There is an increasing needed to consider pancreaticoduodenectomy (PD) for the treatment of pancreatic and periampullary malignancy in patients aged 80 and over, given the increasing aging population. METHODS: A systematic literature search was undertaken to identify selected studies that compared the outcomes of patients aged 80 years or over to those younger undergoing PD. RESULTS: In total 18 studies were included for evaluation...
March 11, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28292405/selected-endoscopic-gastric-devices-for-obesity
#6
REVIEW
Kartik Sampath, Richard I Rothstein
This article focuses on the stomach target devices that are currently in various stages of development. Approved intragastric balloons, devices targeting small bowel and aspiration techniques, are described in other contributions to this issue. Bariatric endoscopic devices targeting the stomach directly alter gastric physiology and promote weight loss by potentially changing functional gastric volume, gastric emptying, gastric wall compliance, neurohormonal signaling, and, thereby, satiety. Many stomach-targeting devices are on the horizon for clinical use, and further study will determine the safety and efficacy for clinical use...
April 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/28291006/assessment-of-the-prevalence-of-diabetic-gastroparesis-and-validation-of-gastric-emptying-scintigraphy-for-diagnosis
#7
Zeinab Alipour, Foad Khatib, Seyed Masoud Tabib, Hamid Javadi, Esmail Jafari, Leila Aghaghazvini, Ali Mahmoud-Pashazadeh, Iraj Nabipour, Majid Assadi
OBJECTIVE: Gastroparesis is defined as delayed gastric emptying and is a common medical condition in diabetic patients. Scintigraphy is commonly used as a standard diagnostic procedure for the quantitative assessment of gastroparesis. The aims of this study were to determine an optimum imaging time for the diagnosis of gastroparesis, to assess the prevalence of gastroparesis, to evaluate the correlation between endoscopy and scintigraphy findings as well as the correlation between gastric emptying with patient genders, blood glucose concentration, and functional dyspepsia...
February 5, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28289542/complications-after-pancreaticoduodenectomy-are-associated-with-higher-amounts-of-intra-and-postoperative-fluid-therapy-a-single-center-retrospective-cohort-study
#8
Birte Kulemann, Marianne Fritz, Torben Glatz, Goran Marjanovic, Olivia Sick, Ulrich T Hopt, Jens Hoeppner, Frank Makowiec
BACKGROUND: Perioperative mortality after pancreaticoduodenectomy has decreased significantly in high-volume centers, but morbidity remains high. Restrictive perioperative fluid management may contribute to reduced complication rates after various surgical procedures. The aim of this study was to determine whether there is a correlation between the amount of fluid administered and postoperative complications. We hypothesized that higher amounts of intra- and total fluid is associated with greater postoperative morbidity...
April 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28287413/the-effect-of-short-term-dietary-fructose-supplementation-on-gastric-emptying-rate-and-gastrointestinal-hormone-responses-in-healthy-men
#9
Adora M W Yau, John McLaughlin, Ronald J Maughan, William Gilmore, Gethin H Evans
This study aimed to examine gastric emptying rate and gastrointestinal hormone responses to fructose and glucose ingestion following 3 days of dietary fructose supplementation. Using the (13)C-breath test method, gastric emptying rates of equicaloric fructose and glucose solutions were measured in 10 healthy men with prior fructose supplementation (fructose supplement, FS; glucose supplement, GS) and without prior fructose supplementation (fructose control, FC; glucose control, GC). In addition, circulating concentrations of acylated ghrelin (GHR), glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and insulin were determined, as well as leptin, lactate, and triglycerides...
March 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28286289/mechanistic-investigation-of-the-negative-food-effect-of-modified-release-zolpidem
#10
Cord J Andreas, Xavier Pepin, Constantinos Markopoulos, Maria Vertzoni, Christos Reppas, Jennifer Dressman
AIMS: When administered orally as either an immediate or modified release dosage form, zolpidem demonstrates a negative food effect, i.e. decrease in Cmax and AUC. The aim of the study was to arrive at a better understanding of the absorption of this BCS class I compound, in vivo and to simulate the observed plasma profiles using in vitro and in silico methods. METHODS: Pharmacokinetic profiles of zolpidem are presented from a bioavailability (8mg intravenous; 10mg immediate release Stilnox®; 10mg and 12...
March 9, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28277299/preoperative-liquid-gastric-emptying-rate-does-not-predict-outcome-after-fundoplication
#11
C K Knatten, J G Fjeld, A W Medhus, A H Pripp, T J Fyhn, L Aabakken, H Kjosbakken, B Edwin, R Emblem, K Bjørnland
AIM OF THE STUDY: Preoperative gastric emptying (GE) rate in patients with gastrointestinal reflux disease (GERD) was evaluated as a predictor of outcome after antireflux surgery. METHODS AND PATIENTS: GE was assessed using radionuclide scintigraphy and a standardized meal with cow's milk. GE half time (T1/2), patient demographics and GERD symptoms including vomiting (>4days/week), retching (>4days/week), prolonged feeding time (>3h/day), and discomfort after meals were recorded pre- and postoperatively...
October 14, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28276285/gastric-conduit-obstruction-due-to-gastroduodenal-compression-a-new-complication-post-ivor-lewis-oesophagectomy
#12
Victoria A Perkins, Samuel McFerran, Ali Kordzadeh, Elias Sdralis, Bruno Lorenzi, Alexandros Charalabopoulos
INTRODUCTION: Oesophagectomy for oesophageal carcinoma carries a high risk of significant morbidity and mortality. Delayed gastric emptying is a relatively common complication following this procedure. A variety of medical, surgical and endoscopic strategies have been described to manage it. The vast majority of cases are related to post-operative pyloric dysfunction and are amenable to conventional management strategies. PATIENTS AND METHODS: We present a new case of a patient with a duodenal hiatus hernia resulting in extrinsic gastroduodenal compression by the massively distended gastric conduit as a cause of gastric outlet obstruction following laparoscopic-assisted Ivor-Lewis oesophagectomy 2 years previously...
March 9, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28274625/apd668-a-g-protein-coupled-receptor-119-agonist-improves-fat-tolerance-and-attenuates-fatty-liver-in-high-trans-fat-diet-induced-steatohepatitis-model-in-c57bl-6-mice
#13
Umakant Ashok Bahirat, Rekha Raghuveer Shenoy, Rajan Naresh Goel, Kumar V S Nemmani
G-protein coupled receptor 119 (GPR119) receptor is a rhodopsin-like, class A Gαs-coupled receptor, predominantly expressed in pancreatic islet cells and intestinal entero-endocrine cells. GPR119 has been emerged as a novel therapeutic target for the treatment of dyslipidemia in type 2 diabetes. In this study, we investigated the effect of APD668, a GPR119 agonist alone and in combination with linagliptin, a DPPIV inhibitor on oral fat tolerance test. Our findings demonstrate that APD668, a GPR119 agonist inhibits the intestinal triglyceride absorption after acute fat load in mice...
March 6, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28267808/gastric-tube-versus-whole-stomach-esophagectomy-for-esophageal-cancer-a-systematic-review-and-meta-analysis
#14
Wenxiong Zhang, Dongliang Yu, Jinhua Peng, Jianjun Xu, Yiping Wei
OBJECTIVES: To conduct a systematic review and meta-analysis of studies comparing the gastric-tube vs. whole-stomach for esophageal cancer in order to determine the optimal surgical technique of esophagectomy. METHODS: A comprehensive literature search was performed using PubMed, EMBASE, ScienceDirect, Ovid MEDLINE, Cochrane Library, Web of Science, Google Scholar, and Scopus. Clinical trials that compared the gastric-tube versus whole-stomach for esophageal cancer were selected...
2017: PloS One
https://www.readbyqxmd.com/read/28265981/exploring-canine-human-differences-in-product-performance-part-ii-use-of-modeling-and-simulation-to-explore-the-impact-of-formulation-on-ciprofloxacin-in-vivo-absorption-and-dissolution-in-dogs
#15
M N Martinez, B Mistry, V Lukacova, K A Lentz, J E Polli, S W Hoag, T Dowling, R Kona, R M Fahmy
This study explored the in vivo performance of three oral ciprofloxacin formulations (oral solution, fast, or slow dissolving tablets) in beagle dogs. The in vivo absorption and dissolution behaviors, estimated with in silico mechanistic models, were compared to the results previously published in human volunteers. Six normal healthy male beagle dogs (five to completion) received three oral formulations and an intravenous infusion in a randomized crossover design. Plasma ciprofloxacin concentrations were estimated by tandem mass spectrometry detection...
March 6, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28262529/effects-of-combined-prokinetic-administration-on-gastric-emptying-in-critically-ill-patients
#16
Afshin Gholipour Baradari, Mohammad Reza Khajavi, Abolfazl Firouzian, Abbas Alipour, Hojatallah Daneshpour, Yunes Panahi, Amirhossein Sahebkar
BACKGROUND AND STUDY AIMS: Combination of prokinetic drugs with different mechanisms of action is frequently used when feeding intolerance is not improved with a single agent. In this study, we evaluated the effect of combined infusion of neostigmine and metoclopramide on gastric passage in critically ill patients in the intensive care unit (ICU). PATIENTS AND METHODS: This study is a randomized double-blind controlled trial in 90 patients between 20 and 60years of age who were under mechanical ventilation and had gastric residual volumes (GRVs) >120mL 3h after the last lavage...
March 2, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28257881/dual-mechanism-gastroretentive-drug-delivery-system-loaded-with-an-amorphous-solid-dispersion-prepared-by-hot-melt-extrusion
#17
Anh Q Vo, Xin Feng, Manjeet Pimparade, Xinyou Ye, Dong Wuk Kim, Scott T Martin, Michael A Repka
In the present study, we aimed to prepare a gastroretentive drug delivery system that would be both highly resistant to gastric emptying via multiple mechanisms and would also potentially induce in situ supersaturation. The bioadhesive floating pellets, loaded with an amorphous solid dispersion, were prepared in a single step of hot-melt extrusion technology. Hydroxypropyl cellulose (Klucel™ MF) and hypromellose (Benecel™ K15M) were used as matrix-forming polymers, and felodipine was used as the model drug...
February 28, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28256211/high-cost-and-low-yield-the-diagnostic-evaluation-of-rumination-syndrome-in-pediatrics
#18
Anthony Alioto, Carlo Di Lorenzo, Mary Lee Montgomery, Desale Yacob
OBJECTIVE: To document the use of diagnostic testing in adolescents who ultimately were diagnosed with rumination syndrome, a functional gastrointestinal disorder. We examined the diagnostic yield of each test as well as the associated costs, and we determined if any demographic or illness-related variables impacted the magnitude of the work-up. STUDY DESIGN: A retrospective chart review was conducted for 68 patients with rumination syndrome admitted to our inpatient treatment program...
February 28, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28251932/inhibition-of-sweet-chemosensory-receptors-alters-insulin-responses-during-glucose-ingestion-in-healthy-adults-a-randomized-crossover-interventional-study
#19
Elnaz Karimian Azari, Kathleen R Smith, Fanchao Yi, Timothy F Osborne, Roberto Bizzotto, Andrea Mari, Richard E Pratley, George A Kyriazis
Background: Glucose is a natural ligand for sweet taste receptors (STRs) that are expressed on the tongue and in the gastrointestinal tract. Whether STRs directly contribute to the regulation of glucose homeostasis in response to glucose ingestion is unclear.Objective: We sought to determine the metabolic effects of the pharmacologic inhibition of STRs in response to an oral glucose load in healthy lean participants.Design: Ten healthy lean participants with a body mass index (in kg/m(2)) of 22.4 ± 0.8 were subjected to an oral-glucose-tolerance test (OGTT) on 4 separate days with the use of a randomized crossover design...
March 1, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28251844/overview-of-pathophysiological-features-of-gerd
#20
Paolo Usai Satta, Francesco Oppia, Francesco Cabras
Gastro-esophageal reflux disease (GERD) is a very prevalent condition and has a high impact on the quality of life. Nevertheless, pathophysiology is complex and multi-factorial. Several mechanisms have been proposed: decreased salivation, decreased lower esophageal sphincter pressure resting tone, presence of hiatal hernia, increased number of transient lower esophageal sphincter relaxations, increased acid, and pepsin secretion, duodeno-gastro-esophageal reflux of bile acids and trypsin. Other factors contributing to the pathophysiology of GERD include poor esophageal clearance, delayed gastric emptying and impaired mucosal defensive factors...
March 1, 2017: Minerva Gastroenterologica e Dietologica
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