View clinical trials related to Gastric Emptying.
Filter by:Perioperative fasting is an essential patient safety measure to reduce the risk of pulmonary aspiration of gastric contents, a rare but potentially catastrophic complication of anesthetic and airway management. Anesthesiologists' concern about aspiration and the increasing awareness towards the negative impact of prolonged restriction of oral intake have shaped the current fasting guidelines. However, due to the perceived safety of prolonged fasting and practical considerations, adoption of the fasting guidelines is suboptimal. Gastric ultrasound is a quick, non-invasive method to evaluate gastric contents and aspiration risk. Gastric ultrasound can accurately discriminate between solid particles and fluid content, and mathematical models can reliably predict the volume of the gastric contents from the gastric antral area (GAA). This project aims to use gastric ultrasound to provide new data that can support management strategies in perioperative patients, that ensure both a low aspiration risk and an adequate nutritional support. The investigators will test the hypothesis that commercially available liquid meals can be safely used preoperatively. A pilot crossover, study on healthy volunteers will be conducted to determine the gastric emptying time of high-calorie drinks, as compared to clear fluid.
Gastric emptying measured with scintigraphy in patients after standard Roux-en-Y Gastric Bypass (S-RYGB), Banded-RYGB (B-RYGB) or Extended pouch-RYGB (E-RYGB).
This study aims to compare the effect of meals high in protein, fat and carbohydrate but equal in energy and volume on energy intake, perceived appetite and gastric emptying in younger (<40 years) and older (> 65 years) people living in the United Kingdom (UK).
The rate of gastric emptying is proposed to be one of the major determinants of postprandial glycemia. A slower gastric emptying will thus result in a less pronounced rise in blood glucose, which is especially desirable in diabetes care as it will highly influence the overall glycemic control. The present study aims to investigate the rate of gastric emptying and postprandial blood glucose levels in response to the intake of bread with different dietary fiber-content. Though bread is one of the major sources of dietary carbohydrates in Central- and Northern Europe, the mechanism and the metabolic effects of bread consumption, however, is investigated in a limited number of studies.
The purpose of the study is to explore the effects of GLP-1 receptor agonist (GLP-1 RA) semaglutide on modulation of taste sensitivity, tongue tissue transcriptome, modulation of neural response in central reward processing regions and gastric emptying rate. In addition, we aim to investigate the associations between semaglutide induced modulation of taste sensitivity, neural responses and gastric emptying with changes in body mass, eating- behavioural pattern, food perception and food intake.
It is recommended to respect the perioral zone by fixing the feeding tube only on the newborn's cheek, in order to promote oral acquisition and avoid repeated dislodgment of probes (HAS). This rule is easily applicable for nasogastric tubes. The difficulty is found for orogastric tubes. The "mustache" is usually used to fix it, but this interferes with the perioral zone and must be changed more often than necessary. To achieve a more sustainable orogastric tube's fixation to the cheek, a German team directed by W. Krämer developed and tested an orogastric tube's fixing technique that was subsequently approved and used. Using this German method, a randomized, monocentric superiority study, including 30 newborns and premature babies requiring an orogastric tube, will compared german probe's fixation method to the mustache. The aim of the study is to ensure a more effective orogastric tube's fixation to reduce the number of fixation changes, probe placements and negative oral stimulations in newborns.
To determine the half time of the emptying of the stomach of women in early labor with and without epidural pain relief when drinking either water or a carbohydrate-based sports drink.
Ultrasound guided comparison of gastric residual volume after clear fluid fasting for one versus two hours in pediatrics scheduled for elective surgery.
To investigate the effect of chewing lollipop on gastric volume and gastric emptying in healthy volunteers drinking water.
The digestive process begins in the mouth and follows in the stomach and intestine. In the stomach the food is mixed with the gastric juices forming the chyme. To mix the food with the gastric juice as well as to provide gastric emptying (GE), the movements of the stomach are of great importance. Intestinal transit time is understood of the combination of GE, small intestine transit and colon transit time. The composition of the diet (lipid and protein content) exerts a direct influence on intestinal transit time due to the stimulation of hormone secretion, cholecystokinin and gastrin, respectively, which act to decrease GE velocity. In this context, it is also observed an important influence of dietary fibers on the speed of GE. Despite all knowledge about dietary fibers, information on such compounds still has many controversies. Due to the difficulty of finding compounds that fit into only one specific category (viscous, fermentable or prebiotic) there is difficulty in establishing a concept that best defines what are dietary fibers. The CODEX Alimentarius Commission in 2009 defined dietary fibers as carbohydrate polymers composed of ten or more monomer units of this macronutrient, which are not hydrolyzed by enzymes in the human intestine. Dietary fibers can be classified into insoluble and soluble according to the ability to bind to water molecules and form gels. Soluble fibers, especially those classified as prebiotic, in the intestine are fermented by bacteria giving rise to short chain fatty acids (SCFA). The SCFA stimulates the production and secretion of PYY and GLP-1 are associated with inhibition of gastric motility. Due to the importance of knowing the intestinal transit time, several methods have been developed, but scintigraphy is the gold standard technique for this analysis. Given the above and controversies present in the literature on the dietary fibers, there was a shortage of studies with the objective of evaluating the impact of different dietary fibers in intestinal transit time. This study shows relevant to help elucidate the behavior of different dietary fibers in intestinal transit time, offering data for correct and safe use of dietary fibers in various clinical situations. The hypothesis of this study is that the partially hydrolyzed guar gum delays the time of gastric emptying and intestinal transit, being this effect not observed for fructooligosaccharide