Search Results
Results 201 - 250 of 624
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Massaro Richard C - - 2004
The mechanism of action of Tenebrio molitor antidiuretic factor 'a' (Tenmo ADFa) was explored in isolated Malpighian tubules of Aedes aegypti. In the Ramsay assay of fluid secretion, Tenmo ADFa (10(-9) mol l(-1)) significantly inhibited the rate of fluid secretion from 0.94 nl min(-1) to 0.44 nl min(-1) without significant ...
Soudack Michalle - - 2004
OBJECTIVE: Sonography is a reliable imaging tool, complementary to plain radiography in certain pediatric chest disorders. It can assist in localizing and characterizing mediastinal, pleural, and pulmonary opacities. We have found that sonography is also valuable in elucidating postoperative chest radiography. In this series, our objective was to assess the ...
Mochiki Erito - - 2004
BACKGROUND: The objective of this study was to compare the motility of a gastric substitute after jejunal interposition without a pouch and jejunal interposition with a pouch and to evaluate the relationship of both methods with nutritional outcome. METHODS: Twelve patients with gastric cancer treated by total gastrectomy and reconstruction ...
Raghavan Malathi - - 2004
A nested case-control study was conducted among 1634 dogs with complete diet information in a 5-year prospective study to determine diet-related risk factors for gastric dilatation-volvulus (GDV). Cases included 106 dogs that developed GDV; controls included 212 dogs without GDV that were frequency matched to cases by year of GDV ...
Cecil J E - - 2004
We previously showed that oral administration of a liquid soup preload was associated with a slower rate of gastric emptying and suppressed appetite more compared with intragastric administration of the same soup [Appetite 31(1998)377]. The present study was designed to investigate whether these results could be explained by the cephalic ...
Matysiak-Budnik Tamara - - 2004
AIMS: We have previously shown that H. pylori increases the passage of intact protein across the digestive epithelium, in vitro and in vivo in mice. The aim of this study was to test whether H. pylori can alter gastric permeability to a food-type antigen in humans. METHODS: Antral and corpus ...
De Stefani Eduardo - - 2004
BACKGROUND: Gastric cancer is a frequent malignancy in the Uruguayan population. In northern counties, incidence rates reach high figures (age-standardized rates [ASR], 37.3 per 100,000 men and 18.3 per 100,000 women). Diet is a major determinant in gastric carcinogenesis. Because foods or food groups have the advantage over nutrients in ...
Hoegberg Lotte Christine Groth - - 2003
The effect of added food mixture (as if food was present in the stomach of an intoxicated patient) or 4 different types of ice cream (added as a flavouring and lubricating agent) on the adsorption of paracetamol (acetaminophen) to 2 formulations of activated charcoal was determined in vitro and compared ...
Freeman Lisa M - - 2003
OBJECTIVE: To determine the dietary patterns and intake of nutrients of concern in dogs with cardiac disease. DESIGN: Prospective study. ANIMALS: 82 dogs with dilated cardiomyopathy (DCM) or chronic valvular disease. PROCEDURE: Owners of dogs were contacted and given a standardized telephone questionnaire regarding diet and a 24-hour food recall ...
Pantoflickova D - - 2003
BACKGROUND: Lactobacillus johnsonii (Lj1) had an in vitro and in vivo inhibitory effect on Helicobacter pylori. Fermented milk containing Lj1 (LC1), coadministered with antibiotics had a favourable effect on H. pylori gastritis. AIM: Evaluate the effect of LC1 intake without antibiotics on H. pylori gastritis. METHODS: Fifty H. pylori positive ...
Zharikov Yuri - - 2003
The possibility of premigratory modulation in gastric digestive performance was investigated in a long-distance migrant, the eastern curlew (Numenius madagascariensis), in eastern Australia. The rate of intake in the curlews was limited by the rate of digestion but not by food availability. It was hypothesized that before migration, eastern curlews ...
Wyse C A - - 2003
Gastric emptying is the process by which food is delivered to the small intestine at a rate and in a form that optimizes intestinal absorption of nutrients. The rate of gastric emptying is subject to alteration by physiological, pharmacological, and pathological conditions. Gastric emptying of solids is of greater clinical ...
Wagner Wencke M - - 2003
Ten gastrointestinal contrast studies were performed with barium on seven clinically healthy ostriches. Concentrations of 25-100% w/vol liquid barium sulfate at 7 and 10 ml/kg were administered by stomach tube after withholding food for 16 h. A 6-frame technique for left-to-right lateral views in standing and a 3-frame technique for ...
Prandini N - - 2003
Emptying the gallbladder is part of the complex process of food digestion. The gallbladder interacts with other gastrointestinal organs and its movements are coordinated and modified by functions of the stomach, intestine and pancreas. Many factors can modify gallbladder motility, for example, sex and age of the subject, their body ...
Gomes Guilherme F - - 2003
PURPOSE OF REVIEW: Aspiration is one of the most common complications in enterally fed patients. The source of aspiration is due to the accumulation of secretions in the pharynx of reflux gastric contents from the stomach into the pharynx. The true prevalence of aspiration is difficult to determine because of ...
Weston Brian R - - 2003
BACKGROUND: Fundic gland polyps (FGPs) are now the most common gastric polyp encountered by endoscopists. However, they have minimal clinical significance. If they could be reliably predicted by endoscopic features, it might prevent the need for and cost of biopsy. GOALS: To determine the positive predictive value of endoscopic criteria ...
Nishimukai Megumi - - 2003
The physiologic roles of dietary lecithin have not yet been clearly defined. We examined the effects of soybean lecithin on gastric emptying (Experiments 1 and 2) and food intake (Experiment 3) in rats. Male Wistar rats were fed 2 g of a 20 g lipid/100 g diet containing various levels ...
Watanabe H - - 2003
BACKGROUND AND STUDY AIMS: Food residue is often seen in the gastric remnant after partial gastrectomy, making it difficult to diagnose early cancer in the residual stomach. The aims of this study were to clarify the risk factors for the accumulation of food residue, and to study methods of preparation ...
Ouyang Hui - - 2003
Our aim was to investigate the effects of gastric electrical stimulation on food intake, weight, gastric myoelectrical, and parasympathetic activity. Dogs were implanted with serosal electrodes and a subcutaneous stimulator. The stimulator was turned on and off alternately every month for 4 months. Food intake, weight, gastric myoelectrical activity, and ...
Johnston David - - 2003
BACKGROUND: Our aim was to evolve a simpler, more physiological type of gastroplasty that would dispense with implanted foreign material such as bands and reservoirs. The Magenstrasse, or "street of the stomach", is a long narrow tube fashioned from the lesser curvature, which conveys food from the esophagus to the ...
Xing JinHong - - 2003
OBJECTIVE: It has been reported that electrical stimulation at the distal stomach can disrupt intrinsic gastric electrical activity and delay gastric emptying. Gastric dysrhythmia and impaired gastric emptying are associated with upper gastrointestinal symptoms and weight loss. The purpose of this study was to evaluate the effect of low-frequency/long-pulse gastric ...
Baintner K - - 2003
A panel of orally administered lectins (100 mg/kg b.w.) of different binding specificities was tested for suppression of voluntary food consumption in prefasted rats. PHA isolectins (Phaseolus vulgaris) and RPA-I (Robinia pseudoacacia) were found to exert a marked and significant effect, but two other gut-binding lectins, i.e. SBA (Glycine max) ...
Choi Byung-Tae - - 2003
During seasonal hibernation, there is reduced gastrointestinal activity, but relatively little is known of the physiology involved. In the present experimental study, male Korean chipmunks (Tamias sibiricus barberi) were maintained in cold conditions (6 degrees C) for 3, 5 or 9 months to mimic conditions occurring during seasonal hibernation. Changes ...
Fajardo Noel R - - 2003
OBJECTIVES: In persons with spinal cord injury (SCI), several studies have shown that large bowel transit is decreased at the level of the left colon and rectum, and that postprandial colonic response to food is absent. To define these parameters further, the effects of food on colonic motility in persons ...
Smedh Ulrika - - 2003
We investigated whether dorsal hindbrain and/or peripheral cocaine- and amphetamine-regulated transcript peptide (CARTp) acts to suppress gastric emptying of a caloric stimulus. Furthermore, effects of dorsal hindbrain CARTp on sucrose consumption and licking microstructure was studied, as well as the possible contribution of corticotropin-releasing factor (CRF) receptors to mediate effects ...
Zucoloto S - - 2002
AIM: In the present study we evaluated the effects of gastric myenteric denervation using benzalkonium chloride (BAC) on the time for gastric emptying, as well as gastric secretion, and mucosal epithelial cell size and population in rats. METHODS AND RESULTS: Wistar rats were treated with topical serosal application of BAC ...
Lentle Roger G - - 2002
We examined the physical properties of digesta from the proximal (sacciform) and distal (tubiform) regions of the forestomach of tammar and parma wallabies maintained on a ryegrass sward. The digesta exhibited high viscosity, which, in conjunction with low flow rates calculated from published retention times of particulate marker in the ...
Maltby J Roger - - 2002
PURPOSE: To compare LMA-ProSeal (LMA-PS) with endotracheal tube (ETT) with respect to pulmonary ventilation and gastric distension during laparoscopic cholecystectomy. METHODS: We randomized 109 ASA I-III adults to LMA-PS or ETT after stratifying them as non-obese or obese (body mass index > 30 kg x m-2). After preoxygenation, anesthesia was ...
Bubenik George A - - 2002
The gastrointestinal tract of vertebrate species is a rich source of extrapineal melatonin. The concentration of melatonin in the gastrointestinal tissues surpasses blood levels by 10-100 times and there is at least 400x more melatonin in the gastrointestinal tract than in the pineal gland. The gastrointestinal tract contributes significantly to ...
Hoebler C - - 2002
The release of nutrients from solid food depends on the physical and chemical characteristics of substrates, and on dynamic physiological events including pH, gastric emptying and enzymatic secretion. Our laboratory has developed an in vitro digestive system mimicking mouth and stomach processes to determine physical and chemical changes of bread ...
Feinle Christine - - 2002
This review focuses on what is known about the effects of carbohydrate on food intake, the potential mechanisms mediating these effects, and the impact of different monosaccharides in humans. The inhibition of subsequent food intake associated with ingestion of carbohydrate appears to result primarily from gastrointestinal signals, including those generated ...
Reidelberger Roger D - - 2002
We previously demonstrated that amylin inhibits food intake and gastric emptying in rats with half-maximal effective doses (ED(50)s) of 8 and 3 pmol x kg(-1) x min(-1) and maximal inhibitions of 78 and 60%, respectively. In this study of identical design, rats received intravenous infusions of salmon calcitonin (sCT), rat ...
Hirst G D S - - 2002
When intracellular recordings were made from the antral region of murine stomach, cells with three different patterns of electrical activity were detected. One group of cells generated follower potentials, the second group generated pacemaker potentials and the third group generated slow waves that consisted of primary and secondary components. Slow ...
Sobocki J - - 2002
Acute electrical stimulation of vagal nerve changes gut motility, secretion as well as absorption, and it may have effect on food intake and satiety regulation. The aim of the study was to evaluate the effect of permanent microchip mediated neuromodulation (McNm) of vagal afferent activity on GI function and body ...
Cigaina Valerio - - 2002
BACKGROUND: A novel method to treat morbid obesity is presented--gastric electrical pacing. Following animal research, human investigation in a total of 24 patients in three cohorts began in 1995. METHODS: Morbidly obese subjects (BMI > or = 40) received electrical stimulation devices in 1995/6 (n = 4), 1998 (n = ...
Katsuura Goro - - 2002
Pancreatic polypeptide (PP) is produced in pancreatic islets of Langerhans and released into the circulation after ingestion of a meal. Peripherally administered PP suppresses food intake and gastric emptying. On the other hand, central administration of PP elicits food intake and gastric emptying. Therefore, PP actions on food intake may ...
Nakane Y - - 2002
BACKGROUND: Pylorus-preserving gastrectomy (PPG) has the advantages of preventing dumping syndrome and duodenogastric reflux. However, time was required to reduce symptoms of gastric fullness or to improve food intake after surgery. The aim of this study was to investigate whether the length of the retained antral segment influenced the postoperative ...
Hume D - - 2002
The gastrointestinal tracts of 76 free-living alpine marmots ( Marmota marmota) shot during a population control program in Switzerland were collected and analysed for patterns of change in morphology and function over the period from emergence from hibernation in April to just before re-entry into hibernation in September. Between first ...
Hoksch Beatrix - - 2002
The optimal reconstruction protocol after total gastrectomy is still a matter of debate. Pouch reconstructions are developed to create a larger reservoir for food, to provide a barrier against intestinoesophageal reflux, and to lengthen the food transit time. Preservation of the duodenal passage should result in better physiologic regulation of ...
Lange Carlos E - - 2002
Gregarina ronderosi n. sp. is described based on life cycle observations conducted on nymphs and adults of its natural host, the grasshopper Dichroplus elongatus. Following ingestion of oocysts by the host, parasite development occurs between the epithelium and the food mass in the midgut and gastric caeca. Gametocysts are liberated ...
Lavin J H JH Slimming World, Clover Nook Road, Alfreton, Derbyshire, UK. - - 2002
To investigate mechanisms by which specific sugars affect feeding behaviour. In an initial study, gastric emptying rate and appetite were measured following ingestion of lemon flavoured solutions of sucrose, maltose (2160 kJ, 575 ml) and water control (67 kJ, 575 ml) given in randomised order on separate days to six ...
Geliebter A - - 2001
One function of the stomach is as a reservoir for food; hence, the stomach's capacity may limit the amount of food ingested. A stomach with a large capacity has been associated with bigger test meals. We compared the stomach capacity of three groups of women: normal (n=10), obese (n=11), and ...
Holzer P - - 2001
Gastroduodenal mucosal defense is composed of structural features of the mucosa, cellular monitors of pending or actual injury, and a web of effector cells that protect the mucosa from damage and govern its recovery from injury. By virtue of these systems, the gastroduodenal mucosa can cope with the harmful ingredients ...
French S J - - 2001
Direct infusion of specific nutrients or foods into different areas of the gastrointestinal tract, and techniques to distend the stomach, are useful tools enabling eating behaviour to be studied without the influence of orosensory factors. Using these techniques, the role of nutrients on gastrointestinal mechanisms of satiation as well as ...
Hellström P M - - 2001
The slowing of gastric emptying is an important mechanism for the satiating effect of gut peptide signaling. After food intake, cholecystokinin (CCK), as well as glucagon-like peptide-1 (GLP-1) and glucagon-like peptide-2 (GLP-2), are released from the gastrointestinal tract to mediate satiety. In humans, CCK and the GLP-1 have been found ...
Asakawa A - - 2001
This study was designed to investigate the effects of cocaine-amphetamine-regulated transcript (CART), a recently discovered hypothalamic neuropeptide, on food intake, anxiety, oxygen consumption and gastric emptying in mice. Intracerebroventricular (i. c. v.) injection of CART (1 - 100 pmol) markedly reduced food intake in a dose-related manner. A significant decrease ...
Achour L - - 2001
OBJECTIVE: To compare gastric emptying of a solid and a liquid nutritional rehabilitation food. DESIGN: Cross-over trial. Eight volunteers took, in random order at least 1 week apart, 2100 kJ of a solid and a liquid nutritional rehabilitation food with added labelled [13C] glycine. SETTING: Research ward for healthy volunteers. ...
Weber M - - 2001
Observations on food tolerance in dogs have shown that some breeds, especially the giant breeds, have a greater digestive sensitivity. One of the consequences common in these breeds is a higher faecal water content and a poor faecal quality. This could be explained, at least in part, by limited digestive ...
Abo M - - 2001
The motor response induced by intraluminal distension of the small intestine has been well investigated. However, little is known of the myoelectrical response to intraluminal distension. The aim of this study was to investigate the effects of oral- and anal-side distension on jejunal slow waves in dogs. The study was ...
Flint A A Research Department of Human Nutrition, Center for Food Research, The Royal Veterinary and Agricultural University, Rolighedsvej 30, DK-1958 Frederiksberg C, Denmark. - - 2001
Peripheral infusions of glucagon-like peptide-1 (GLP-1) in humans have been shown to inhibit gastrointestinal motility and decrease hunger and energy intake. However, these investigations used supraphysiological doses. The objective of this study was to investigate the effects of a GLP-1 infusion in a physiological dose on appetite sensations, energy intake, ...
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