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All Outputs (102)

Corticotrophin releasing factor increases ascending colon volume after a fructose test meal in healthy humans: a randomised control trial (2016)
Journal Article
Murray, K., Lam, C., Rehman, S., Marciani, L., Costigan, C., Hoad, C., Lingaya, M., Banwait, R., Bawden, S., Gowland, P. A., & Spiller, R. C. (2016). Corticotrophin releasing factor increases ascending colon volume after a fructose test meal in healthy humans: a randomised control trial. American Journal of Clinical Nutrition, 103(5), https://doi.org/10.3945/ajcn.115.125047

Background: Poorly absorbed, fermentable carbohydrates can provoke irritable bowel syndrome (IBS) symptoms by escaping absorption in the small bowel and being rapidly fermented in the colon in some susceptible subjects. IBS patients are often anxious... Read More about Corticotrophin releasing factor increases ascending colon volume after a fructose test meal in healthy humans: a randomised control trial.

Anticipation of thermal pain in diverticular disease (2016)
Journal Article
Smith, J. K., Marciani, L., Humes, D. J., Francis, S. T., Gowland, P. A., & Spiller, R. C. (2016). Anticipation of thermal pain in diverticular disease. Neurogastroenterology and Motility, 28(6), https://doi.org/10.1111/nmo.12790

Background
The relative importance of peripheral nerve injury or differences in central pain processing in painful diverticular disease (DD) is unclear. Functional MRI has demonstrated changes in the anticipation of pain in irritable bowel syndrom... Read More about Anticipation of thermal pain in diverticular disease.

Magnetic resonance imaging biomarkers of gastrointestinal motor function and fluid distribution (2015)
Journal Article
Khalaf, A., Hoad, C., Spiller, R. C., Gowland, P. A., Moran, G. W., & Marciani, L. (2015). Magnetic resonance imaging biomarkers of gastrointestinal motor function and fluid distribution. World Journal of Gastrointestinal Pathophysiology, 6(4), https://doi.org/10.4291/wjgp.v6.i4.140

Magnetic resonance imaging (MRI) is a well established technique that has revolutionized diagnostic radiology. Until recently, the impact that MRI has had in the assessment of gastrointestinal motor function and bowel fluid distribution in health and... Read More about Magnetic resonance imaging biomarkers of gastrointestinal motor function and fluid distribution.

Fat emulsion intragastric stability and droplet size modulate gastrointestinal responses and subsequent food intake in young adults (2015)
Journal Article
Hussein, M., Hoad, C., Wright, J., Singh, G., Stephenson, M., Cox, E., Placidi, E., Pritchard, S., Costigan, C., Ribeiro, H., Ciampi, E., Nandi, A., Hedges, N., Sanderson, P., Peters, H., Rayment, P., Spiller, R., Gowland, P., & Marciani, L. (2015). Fat emulsion intragastric stability and droplet size modulate gastrointestinal responses and subsequent food intake in young adults. Journal of Nutrition, 145(6), 1170-1177. https://doi.org/10.3945/jn.114.204339

Background: Intragastric creaming and droplet size of fat emulsions may affect intragastric behavior and gastrointestinal and satiety responses.

Objectives: We tested the hypotheses that gastrointestinal physiologic responses and satiety will be i... Read More about Fat emulsion intragastric stability and droplet size modulate gastrointestinal responses and subsequent food intake in young adults.

A mechanistic multi-centre, parallel group, randomised placebo controlled trial of Mesalazine for treatment of irritable bowel syndrome with diarrhoea (IBS-D) (2015)
Journal Article
Lam, C., Tan, W., Leighton, M., Hastings, M., Lingaya, M., Falcone, Y., Zhou, X., Xu, L., Whorwell, P., Walls, A., Zaitoun, A. M., Montgomery, A., & Spiller, R. C. (2015). A mechanistic multi-centre, parallel group, randomised placebo controlled trial of Mesalazine for treatment of irritable bowel syndrome with diarrhoea (IBS-D). Gut, 65(1), https://doi.org/10.1136/gutjnl-2015-309122

Introduction: Immune activation has been reported in the mucosa of irritable bowel syndrome patients with diarrhoea (IBS-D) and some small studies have suggested that Mesalazine may reduce symptoms. We performed a double blind, randomised placebo con... Read More about A mechanistic multi-centre, parallel group, randomised placebo controlled trial of Mesalazine for treatment of irritable bowel syndrome with diarrhoea (IBS-D).

Aerated drinks increase gastric volume and reduce appetite as assessed by MRI: a randomized, balanced, crossover trial (2015)
Journal Article
Murray, K., Placidi, E., Schuring, E. A. H., Hoad, C. L., Koppenol, W., Arnaudov, L. N., Blom, W. A. M., Pritchard, S. E., Stoyanov, S. D., Gowland, P. A., Spiller, R. C., Peters, H. P. F., & Marciani, L. (2015). Aerated drinks increase gastric volume and reduce appetite as assessed by MRI: a randomized, balanced, crossover trial. American Journal of Clinical Nutrition, 101(2), 270-278. https://doi.org/10.3945/ajcn.114.096974

Measurement of gastric meal and secretion volumes using magnetic resonance imaging (2015)
Journal Article
Hoad, C., Parker, H., Hudders, N., Costigan, C., Cox, E., Perkins, A., Blackshaw, P., Marciani, L., Spiller, R., Fox, M., & Gowland, P. (2015). Measurement of gastric meal and secretion volumes using magnetic resonance imaging. Physics in Medicine and Biology, 60(3), 1367-1383. https://doi.org/10.1088/0031-9155/60/3/1367

MRI can assess multiple gastric functions without ionizing radiation. However, time consuming image acquisition and analysis of gastric volume data, plus confounding of gastric emptying measurements by gastric secretions mixed with the test meal have... Read More about Measurement of gastric meal and secretion volumes using magnetic resonance imaging.

Effects of bowel cleansing on the intestinal microbiota (2014)
Journal Article
Jalanka, J., Salonen, A., Salojärvi, J., Ritari, J., Immonen, O., Marciani, L., Gowland, P., Hoad, C., Garsed, K., Lam, C., Palva, A., Spiller, R. C., & de Vos, W. M. (2015). Effects of bowel cleansing on the intestinal microbiota. Gut, 64(10), 1562-1568. https://doi.org/10.1136/gutjnl-2014-307240

Objective: An adequate bowel cleansing is essential for a successful colonoscopy. Although purgative consumption is safe for the patient, there is little consensus on how the intestinal microbiota is affected by the procedure, especially regarding th... Read More about Effects of bowel cleansing on the intestinal microbiota.

Additive effects of gastric volumes and macronutrient composition on the sensation of postprandial fullness in humans (2014)
Journal Article
Marciani, L., Cox, E., Pritchard, S., Major, G., Hoad, C., Mellows, M., Hussein, M., Costigan, C., Fox, M., Gowland, P., & Spiller, R. (2015). Additive effects of gastric volumes and macronutrient composition on the sensation of postprandial fullness in humans. European Journal of Clinical Nutrition, 69(3), 380-384. https://doi.org/10.1038/ejcn.2014.194

Background/Objectives: Intake of food or fluid distends the stomach and triggers mechanoreceptors and vagal afferents. Wall stretch and tension produces a feeling of fullness. Duodenal infusion studies assessing gastric sensitivity by barostat have s... Read More about Additive effects of gastric volumes and macronutrient composition on the sensation of postprandial fullness in humans.

Quantification of gastrointestinal liquid volumes and distribution following a 240 mL dose of water in the fasted state (2014)
Journal Article
Mudie, D. M., Murray, K., Hoad, C. L., Pritchard, S. E., Garnett, M. C., Amidon, G. L., Gowland, P. A., Spiller, R. C., Amidon, G. E., & Marciani, L. (2014). Quantification of gastrointestinal liquid volumes and distribution following a 240 mL dose of water in the fasted state. Molecular Pharmaceutics, 11(9), 3039-3047. https://doi.org/10.1021/mp500210c

Previous imaging studies offered a snapshot of water distribution in fasted humans and showed that water in the small intestine is distributed in small pockets. This study aimed to quantify the volume and number of water pockets in the upper gut of f... Read More about Quantification of gastrointestinal liquid volumes and distribution following a 240 mL dose of water in the fasted state.

Magnetic resonance spectroscopy measurements of intragastric fat fraction of oil emulsions in humans (2014)
Journal Article
Hussein, M. O., Hoad, C. L., Stephenson, M. C., Cox, E. F., Placidi, E., Pritchard, S. E., Costigan, C., Ribeiro, H., Ciampi, E., Rayment, P., Nandi, A., Hedges, N., Sanderson, P., Peters, H. P., Kruse, I., Marciani, L., Spiller, R. C., & Gowland, P. A. (2015). Magnetic resonance spectroscopy measurements of intragastric fat fraction of oil emulsions in humans. European Journal of Lipid Science and Technology, 117(1), 31-36. https://doi.org/10.1002/ejlt.201400058

A low calorie morning meal prevents the decline of hepatic glycogen stores: a pilot in vivo 13C magnetic resonance study (2014)
Journal Article
Bawden, S., Stephenson, M., Ciampi, E., Hunter, K., Marciani, L., Spiller, R., Aithal, G., Morris, P., Macdonald, I., & Gowland, P. (2014). A low calorie morning meal prevents the decline of hepatic glycogen stores: a pilot in vivo 13C magnetic resonance study. Food and Function, 5(9), 2237-2242. https://doi.org/10.1039/c4fo00050a

Previous studies have reported a meal-induced rise in hepatic glycogen stores from baseline levels following a fast and it is generally assumed that glycogen levels rise steadily following meals throughout the day. However, measurements are normally... Read More about A low calorie morning meal prevents the decline of hepatic glycogen stores: a pilot in vivo 13C magnetic resonance study.

Differential Effects of FODMAPs (Fermentable Oligo-, Di-, Mono-Saccharides and Polyols) on Small and Large Intestinal Contents in Healthy Subjects Shown by MRI (2014)
Journal Article
Murray, K., Wilkinson-Smith, V., Hoad, C., Costigan, C., Cox, E., Lam, C., Marciani, L., Gowland, P. A., & Spiller, R. C. (2014). Differential Effects of FODMAPs (Fermentable Oligo-, Di-, Mono-Saccharides and Polyols) on Small and Large Intestinal Contents in Healthy Subjects Shown by MRI. American Journal of Gastroenterology, 109(1), 110-119. https://doi.org/10.1038/ajg.2013.386

OBJECTIVES:The objective of this study was to investigate whether ingestion of fructose and fructans (such as inulin) can exacerbate irritable bowel syndrome (IBS) symptoms. The aim was to better understand the origin of these symptoms by magnetic re... Read More about Differential Effects of FODMAPs (Fermentable Oligo-, Di-, Mono-Saccharides and Polyols) on Small and Large Intestinal Contents in Healthy Subjects Shown by MRI.

A randomised trial of ondansetron for the treatment of irritable bowel syndrome with diarrhoea (2013)
Journal Article
Garsed, K., Chernova, J., Hastings, M., Lam, C., Marciani, L., Singh, G., Henry, A. P., Hall, I. P., Whorwell, P., & Spiller, R. C. (2014). A randomised trial of ondansetron for the treatment of irritable bowel syndrome with diarrhoea. Gut, 63(10), 1617-1625. https://doi.org/10.1136/gutjnl-2013-305989

Background: Irritable bowel syndrome with diarrhoea (IBS-D) is particularly debilitating due to urgency and episodic incontinence. Some 5-hydroxytryptamine 3 (5-HT3) receptor antagonists (5-HT3RAs) have proven effective but have serious side effects.... Read More about A randomised trial of ondansetron for the treatment of irritable bowel syndrome with diarrhoea.

Faecal microbiota composition and host–microbe cross-talk following gastroenteritis and in postinfectious irritable bowel syndrome (2013)
Journal Article
Jalanka-Tuovinen, J., Salojärvi, J., Salonen, A., Immonen, O., Garsed, K., Kelly, F. M., Zaitoun, A., Palva, A., Spiller, R. C., & De Vos, W. M. (2014). Faecal microbiota composition and host–microbe cross-talk following gastroenteritis and in postinfectious irritable bowel syndrome. Gut, 63(11), 1737-1745. https://doi.org/10.1136/gutjnl-2013-305994

Background: About 10% of patients with IBS report the start of the syndrome after infectious enteritis. The clinical features of postinfectious IBS (PI-IBS) resemble those of diarrhoea-predominant IBS (IBS-D). While altered faecal microbiota has been... Read More about Faecal microbiota composition and host–microbe cross-talk following gastroenteritis and in postinfectious irritable bowel syndrome.

Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects (2013)
Journal Article
Chaddock, G., Lam, C., Hoad, C., Costigan, C., Cox, E. F., Placidi, E., Thexton, I., Wright, J., Blackshaw, P. E., Perkins, A. C., Marciani, L., Gowland, P. A., & Spiller, R. C. (2014). Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects. Neurogastroenterology and Motility, 26(2), 205-214. https://doi.org/10.1111/nmo.12249

Background: Colonic transit tests are used to manage patients with Functional Gastrointestinal Disorders. Some tests used expose patients to ionizing radiation. The aim of this study was to compare novel magnetic resonance imaging (MRI) tests for mea... Read More about Novel MRI tests of orocecal transit time and whole gut transit time: studies in normal subjects.

Characterisation of faecal protease activity in irritable bowel syndrome with diarrhoea: origin and effect of gut transit (2013)
Journal Article
Tooth, D., Garsed, K., Singh, G., Marciani, L., Lam, C., Fordham, I., Fields, A., Banwait, R., Lingaya, M., Layfield, R., Hastings, M., Whorwell, P., & Spiller, R. C. (2014). Characterisation of faecal protease activity in irritable bowel syndrome with diarrhoea: origin and effect of gut transit. Gut, 63(5), 753-760. https://doi.org/10.1136/gutjnl-2012-304042