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University of Bergen
Trygve Hausken's picture

Trygve Hausken

Professor
Department of Clinical Medicine
  • E-mailTrygve.Hausken@uib.no
  • Phone+47 55 97 21 34
  • Visitor Address
    Haukeland Universitetssykehus Laboratoriebygget, 7. etg. Heis øst
  • Postal Address
    Postboks 7804
    5020 Bergen
Books
  • El-Salhy, Magdy; Hatlebakk, Jan G; Hausken, Trygve. 2015. Understanding and Controlling the Irritable Bowel. Springer Science+Business Media B.V.. 85 pages. ISBN: 978-3-319-15641-5.
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. Irritable Bowel Syndrome: Diagnosis, Pathogenesis and Treatment Options. Nova Science Publishers, Inc.. 148 pages. ISBN: 9781620815526.
Journal articles
  • Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve; Lied, Einar; Hatlebakk, Jan Gunnar; Brønstad, Ingeborg; Hoff, Dag Arne Lihaug; Lied, Gülen Arslan. 2019. Effect of a cod protein hydrolysate on postprandial glucose metabolism in healthy subjects: A double-blind cross-over trial - CORRIGENDUM. Journal of Nutritional Science. 1-2. doi: 10.1017/jns.2018.30
  • Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve; Valeur, Jørgen; Hoff, Dag Arne Lihaug; Lied, Gülen Arslan. 2019. Effects of a Cod Protein Hydrolysate Supplement on Symptoms, Gut Integrity Markers and Fecal Fermentation in Patients with Irritable Bowel Syndrome. Nutrients. 11. Published 2019-07-17. doi: 10.3390/nu11071635
  • El-Salhy, Magdy; Hausken, Trygve; Hatlebakk, Jan Gunnar. 2019. Increasing the Dose and/or Repeating Faecal Microbiota Transplantation (FMT) Increases the Response in Patients with Irritable Bowel Syndrome (IBS). Nutrients. 11. doi: 10.3390/nu11061415
  • Mazzawi, Tarek; Hausken, Trygve; Hov, Johannes Espolin Roksund; Valeur, Jørgen; Sangnes, Dag André; El-Salhy, Magdy; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Lied, Gülen Arslan. 2019. Clinical response to fecal microbiota transplantation in patients with diarrhea-predominant irritable bowel syndrome is associated with normalization of fecal microbiota composition and short-chain fatty acid levels. Scandinavian Journal of Gastroenterology. 54: 690-699. doi: 10.1080/00365521.2019.1624815
  • Berentsen, Birgitte; Thuen, Camilla; Andersen, Mari Liltvedt; Hausken, Trygve; Lied, Gülen Arslan; Hatlebakk, Jan Gunnar. 2018. Interdisciplinary self- help intervention for IBS - eHealth and patient education. Neurogastroenterology and Motility. 30: 182-183.
  • Dale, Hanna Fjeldheim; Jensen, Caroline; Hausken, Trygve; Lied, Einar; Hatlebakk, Jan Gunnar; Brønstad, Ingeborg; Hoff, Dag Arne Lihaug; Lied, Gülen Arslan. 2018. Effect of a cod protein hydrolysate on postprandial glucose metabolism in healthy subjects: A double-blind cross-over trial. Journal of Nutritional Science. 7. 9 pages. doi: 10.1017/jns.2018.23
  • Dizdar, Vernesa; Hausken, Trygve; Lærum, Ole Didrik; Gilja, Odd Helge; Langeland, Nina; Hanevik, Kurt. 2018. Prolonged duodenal mucosal lymphocyte alterations in patients with and without postinfectious functional gastrointestinal disorders after Giardia infection. Journal of Infectious Diseases. 220: 321-329. doi: 10.1093/infdis/jiy690
  • Giezenaar, Caroline; Lange, Kylie; Hausken, Trygve; Jones, Karen L.; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2018. Acute Effects of Substitution, and Addition, of Carbohydrates and Fat to Protein on Gastric Emptying, Blood Glucose, Gut Hormones, Appetite, and Energy Intake. Nutrients. 10: 1-15. doi: 10.3390/nu10101451
  • Giezenaar, Caroline; Luscombe-Marsh, Natalie D.; Hutchison, Amy T.; Lange, Kylie; Hausken, Trygve; Jones, Karen L.; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2018. Effect of gender on the acute effects of whey protein ingestion on energy intake, appetite, gastric emptying and gut hormone responses in healthy young adults. Nutrition and Diabetes. 8: 1-12. doi: 10.1038/s41387-018-0048-7
  • Giezenaar, Caroline; Van Der Burgh, Yonta; Lange, Kylie; Hatzinikolas, Seva; Hausken, Trygve; Jones, Karen L.; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2018. Effects of Substitution, and Adding of Carbohydrate and Fat to Whey-Protein on Energy Intake, Appetite, Gastric Emptying, Glucose, Insulin, Ghrelin, CCK and GLP-1 in Healthy Older Men—A Randomized Controlled Trial. Nutrients. 10: 1-14. doi: 10.3390/nu10020113
  • Hanevik, Kurt; Wik, Elisabeth; Langeland, Nina; Hausken, Trygve. 2018. Transient elevation of anti-transglutaminase and anti-endomysium antibodies in Giardia infection. Scandinavian Journal of Gastroenterology. 53: 809-812. doi: 10.1080/00365521.2018.1481522
  • Hausken, Trygve. 2018. Portrettintervju med Trygve Hausken. NGF-nytt. Published 2018-04-14.
  • Larsen, Trine; Hausken, Trygve; Lied, Gülen Arslan. 2018. Lav FODMAP-diett for pasienter med stråleskadet tarm. NGF-nytt. 2: 30-32.
  • Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen; Hovdenak, Nils; Müller, Bernd; Lied, Gülen Arslan. 2018. Does the low FODMAP diet improve symptoms of radiation-induced enteropathy? A pilot study. Scandinavian Journal of Gastroenterology. 53: 541-548. Published 2017-11-07. doi: 10.1080/00365521.2017.1397186
  • Maconi, Giovanni; Nylund, Kim; Ripolles, Tomas; Calabrese, Emma; Dirks, Klaus; Dietrich, Christoph F.; Hollerweger, Alois; Sporea, Ioan; Saftoiu, Adrian; Maaser, Christian; Hausken, Trygve; Higginson, Antony P.; Nürnberg, Dieter; Pallotta, Nadia; Romanini, Laura; Serra, Carla; Gilja, Odd Helge. 2018. EFSUMB recommendations and clinical guidelines for intestinal ultrasound (GIUS) in inflammatory bowel diseases. Ultraschall in der Medizin. 39: 304-317. doi: 10.1055/s-0043-125329
  • Mazzawi, Tarek; Lied, Gülen Arslan; Hov, Johannes Espolin Roksund; Valeur, Jørgen; Sangnes, Dag André; El-Salhy, Magdy; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Hausken, Trygve. 2018. Effects of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. Neurogastroenterology and Motility. 30: 178-179.
  • Mazzawi, Tarek; Lied, Gülen Arslan; Sangnes, Dag André; El-Salhy, Magdy; Hov, Johannes Espolin Roksund; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Hausken, Trygve. 2018. The kinetics of gut microbial community composition in patients with irritable bowel syndrome following fecal microbiota transplantation. PLoS ONE. 13:e094904: 1-17. doi: 10.1371/journal.pone.0194904
  • Nylund, Kim; Sævik, Fredrik; Leh, Sabine Maria; Pfeffer, Frank; Hausken, Trygve; Gilja, Odd Helge. 2018. Interobserver Analysis of CEUS-Derived Perfusion in Fibrotic and Inflammatory Crohn's Disease. Ultraschall in der Medizin. 40: 76-84. Published 2018-03-14. doi: 10.1055/s-0044-100492
  • Pham, Hung T; Stevens, Julie E.; Rigda, Rachael S.; Phillips, Liza K; Wu, Tongzhi; Hausken, Trygve; Soenen, Stijn; Visvanathan, Renuka; Rayner, Christopher K.; Horowitz, Michael; Jones, Karen L. 2018. Effects of intraduodenal administration of the artificial sweetener sucralose on blood pressure and superior mesenteric artery blood flow in healthy older subjects. American Journal of Clinical Nutrition. 108: 156-162. doi: 10.1093/ajcn/nqy060
  • Steinsvik, Elisabeth Kjelsvik; Valeur, Jørgen; Hausken, Trygve; Gilja, Odd Helge. 2018. Nausea in patients with IBS and functional dyspepsia. Neurogastroenterology and Motility. 30: 126-126.
  • Steinsvik, Elisabeth Kjelsvik; Valeur, Jørgen; Hausken, Trygve; Gilja, Odd Helge. 2018. Psychological factors in patients with functional gastrointestinal disorders: relation to dyspeptic symptoms and gastric dysmotility as measured with ultrasound. United European Gastroenterology journal. 6: A506-A506.
  • Tronstad, Rune Rose; Polushina, Tatiana; Brattbakk, Hans-Richard; Stansberg, Christine; Volkmann, Hilde Løland Von; Hanevik, Kurt; Ellinghaus, Eva; Jørgensen, Silje Fjellgård; Ersland, Kari Merete; Pham, Khanh Do-Cong; Gilja, Odd Helge; Hovdenak, Nils; Hausken, Trygve; Vatn, Morten H; Franke, Andre; Knappskog, Per; Le Hellard, Stephanie; Karlsen, Tom Hemming; Fiskerstrand, Torunn. 2018. Genetic and transcriptional analysis of inflammatory bowel disease-associated pathways in patients with GUCY2C-linked familial diarrhea. Scandinavian Journal of Gastroenterology. 53: 1264-1273. doi: 10.1080/00365521.2018.1521867
  • Vara, Ellen Johanne; Brokstad, Karl Albert; Hausken, Trygve; Lied, Gülen Arslan. 2018. Altered levels of cytokines in patients with irritable bowel syndrome are not correlated with fatigue. International Journal of General Medicine. 11: 285-291. doi: 10.2147/IJGM.S166600
  • El-Salhy, Magdy; Mazzawi, Tarek; Hausken, Trygve; Hatlebakk, Jan Gunnar. 2017. Interaction between diet and gastrointestinal endocrine cells. Biomedical Reports. 4: 651-656. doi: 10.3892/br.2016.649
  • El-Salhy, Magdy; Patcharatrakul, Tanisa; Hatlebakk, Jan Gunnar; Hausken, Trygve; Gilja, Odd Helge; Gonlachanvit, Sutep. 2017. Chromogranin A cell density in the large intestine of Asian and European patients with irritable bowel syndrome. Scandinavian Journal of Gastroenterology. 52: 691-697. doi: 10.1080/00365521.2017.1305123
  • El-Salhy, Magdy; Patcharatrakul, Tanisa; Hatlebakk, Jan Gunnar; Hausken, Trygve; Gilja, Odd Helge; Gonlachanvit, Sutep. 2017. Enteroendocrine, Musashi 1 and neurogenin 3 cells in the large intestine of Thai and Norwegian patients with irritable bowel syndrome. Scandinavian Journal of Gastroenterology. 52: 1331-1339. doi: 10.1080/00365521.2017.1371793
  • El-Salhy, Magdy; Tefera, Solomon; Hausken, Trygve; Gilja, Odd Helge; Hatlebakk, Jan Gunnar. 2017. Gastrointestinal neuroendocrine peptides/amines in inflammatory bowel Disease. World Journal of Gastroenterology. 23: 5068-5085. doi: 10.3748/wjg.v23.i28.5068
  • Giezenaar, Caroline; Coudert, Zoe; Baqeri, Abdul; Jensen, Caroline; Hausken, Trygve; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2017. Effects of Timing of Whey Protein Intake on Appetite and Energy Intake in Healthy Older Men. Journal of the American Medical Directors Association. 18: 898.e9-898.e13. doi: 10.1016/j.jamda.2017.06.027
  • Giezenaar, Caroline; Trahair, Laurence G.; Luscombe-Marsh, Natalie D.; Hausken, Trygve; Standfield, Scott; Jones, Karen L.; Lange, Kylie; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2017. Effects of randomized whey-protein loads on energy intake, appetite, gastric emptying, and plasma gut-hormone concentrations in older men and women. American Journal of Clinical Nutrition. 106: 865-877. doi: 10.3945/ajcn.117.154377
  • Hausken, Trygve; Mazzawi, Tarek; Lied, Gülen Arslan; Sangnes, Dag André; Hov, Johannes Espolin Roksund; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; El-Salhy, Magdy. 2017. Effect of faecal microbiota transplantation on the symptoms and gut microbiota in patients with irritable bowel syndrome (IBS). Neurogastroenterology and Motility. 29: 73-74.
  • Hustoft, Tonje Nesvik; Hausken, Trygve; Ystad, Synne Otteraaen; Valeur, Jørgen; Brokstad, Karl Albert; Hatlebakk, Jan Gunnar; Lied, Gülen Arslan. 2017. Effects of varying dietary content of fermentable short-chain carbohydrates on symptoms, fecal microenvironment, and cytokine profiles in patients with irritable bowel syndrome. Neurogastroenterology and Motility. 29:e12969: 1-9. doi: 10.1111/nmo.12969
  • Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen; Hovdenak, Nils; Lied, Gülen Arslan. 2017. Low FODMAP diet improves symptoms and quality of life in patients with radiation-induced small bowel disease: A pilot study. Clinical Nutrition. 36: 207-208.
  • Larsen, Trine; Hausken, Trygve; Ystad, Synne Otteraaen; Lied, Gülen Arslan; Hovdenak, Nils; Mueller, Bernd. 2017. Low FODMAP diet improves symptoms and quality of life in patients with radiation-induced small bowel disease: A pilot study. Neurogastroenterology and Motility. 29: 70-71.
  • Mazzawi, Tarek; El-Salhy, Magdy; Lied, Gülen Arslan; Hausken, Trygve. 2017. Effect of faecal microbiota transplantation on Neurogenin 3, Musahsi 1 and enteroendocrine cells in the duodenum of patients with irritable bowel syndrome. United European Gastroenterology journal. 5: 785-786.
  • Mazzawi, Tarek; Valeur, Jørgen; Hausken, Trygve; El-Salhy, Magdy; Hatlebakk, Jan Gunnar; Lied, Gülen Arslan. 2017. Effect of faecal microbiota transplantation on gut bacterial fermentation products in patients with irritable bowel syndrome. United European Gastroenterology journal. 5: A563-A564.
  • Nylund, Kim; Maconi, Giovanni; Hollerweger, Alois; Ripolles, Tomas; Pallotta, Nadia; Higginson, Antony; Serra, Carla; Dietrich, Christoph F.; Sporea, Ioan; Saftoiu, Adrian; Dirks, Klaus; Hausken, Trygve; Calabrese, Emma; Romanini, Laura; Maaser, Christian; Nuernberg, Dieter; Gilja, Odd Helge. 2017. EFSUMB Recommendations and Guidelines for Gastrointestinal Ultrasound - Part 1: Examination Techniques and Normal Findings (Short version) [EFSUMB-Empfehlungen und Leitlinien des Gastrointestinalen Ultraschalls - Teil 1: Untersuchungstechniken und Normalbefund (Kurzversion)]. Ultraschall in der Medizin. 38: 273-284. doi: 10.1055/s-0042-115410
  • Nylund, Kim; Maconi, Giovanni; Hollerweger, Alois; Ripolles, Tomas; Pallotta, Nadia; Higginson, Antony; Serra, Carla; Dietrich, Christoph F.; Sporea, Ioan; Saftoiu, Adrian; Dirks, Klaus; Hausken, Trygve; Calabrese, Emma; Romanini, Laura; Maaser, Christian; Nuernberg, Dieter; Gilja, Odd Helge. 2017. EFSUMB Recommendations and Guidelines for Gastrointestinal Ultrasound - Part 1: Examination Techniques and Normal Findings (Long version) [EFSUMB-Empfehlungen und Leitlinien des Gastrointestinalen Ultraschalls - Teil 1: Untersuchungstechniken und Normalbefund (Langversion)]. Ultraschall in der Medizin. 38: e1-e15. doi: 10.1055/s-0042-115853
  • Storlid, Eline Lundekvam; Hausken, Trygve; Lied, Gülen Arslan; Gilja, Odd Helge; Hatlebakk, Jan Gunnar. 2017. Gastric accommodation in healthy subjects studied by ultrasound, manometry, and impedancemetry. Neurogastroenterology and Motility. 30: 1-9. Published 2017-11-09. doi: 10.1111/nmo.13249
  • Tronstad, Rune Rose; Kummen, Martin; Holm, Kristian; Volkmann, Hilde Løland Von; Anmarkrud, Jarl Andreas; Høivik, Marte Lie; Moum, Bjørn; Gilja, Odd Helge; Hausken, Trygve; Baines, John; Karlsen, Tom Hemming; Fiskerstrand, Torunn; Hov, Johannes Espolin Roksund. 2017. Guanylate cyclase C activation shapes the intestinal microbiota in patients with familial diarrhea and increased susceptibility for Crohn's disease. Inflammatory Bowel Diseases. 23: 1752-1761. doi: 10.1097/MIB.0000000000001264
  • Volkmann, Hilde Løland Von; Brønstad, Ingeborg; Gilja, Odd Helge; Tronstad, Rune Rose; Sangnes, Dag André; Nortvedt, Ragnar; Hausken, Trygve; Dimcevski, Georg Gjorgji; Fiskerstrand, Torunn; Nylund, Kim. 2017. Prolonged intestinal transit and diarrhea in patients with an activating GUCY2C mutation. PLoS ONE. 12. doi: 10.1371/journal.pone.0185496
  • Boeckxstaens, Guy E.; Drug, Vasile Liviu; Dumitraşcu, Dan Lucian; Farmer, Adam Donald; Hammer, Johann; Hausken, Trygve; Niesler, Beate; Pohl, Daniel; Pojskic, Lejla; Polster, Annikka V.; Simrén, Magnus; Goebel-Stengel, Miriam; Van Oudenhove, Lukas; Vassallo, Mario; Wensaas, Knut-Arne; Aziz, Qasim; Houghton, Lesley Anne. 2016. Phenotyping of subjects for large scale studies on patients with IBS. Neurogastroenterology and Motility. 28: 1134-1147. doi: 10.1111/nmo.12886
  • Buisman, Wijnand J.; van Herwaarden-Lindeboom, Maud Y.A.; Mauritz, Femke A.; El Ouamari, Mourad; Hausken, Trygve; Olafsdottir, Edda Jonina; van der Zee, David C.; Gilja, Odd Helge. 2016. Validation of a novel 3-dimensional sonographic method for assessing gastric accommodation in healthy adults. Journal of ultrasound in medicine. 35: 1411-1418. doi: 10.7863/ultra.15.04086
  • El-Salhy, Magdy; Hausken, Trygve. 2016. The role of the neuropeptide Y (NPY) family in the pathophysiology of inflammatory bowel disease (IBD). Neuropeptides. 55: 137-144. doi: 10.1016/j.npep.2015.09.005
  • El-Salhy, Magdy; Hausken, Trygve; Gilja, Odd Helge; Hatlebakk, Jan Gunnar. 2016. The possible role of gastrointestinal endocrine cells in the pathophysiology of irritable bowel syndrome. Expert Review of Gastroenterology & Hepatology. 11: 139-148. doi: 10.1080/17474124.2017.1269601
  • Hustoft, Tonje; Hausken, Trygve; Ystad, Synne Otteraaen; Valeur, Jørgen; Brokstad, Karl Albert; Hatlebakk, Jan Gunnar; Lied, Gülen Arslan. 2016. Low FODMAP diet alters symptoms, microbiota, short-chain fatty acids and cytokine profiles in patients with IBS: A randomized controlled trial. United European Gastroenterology journal. 4: A101-A101.
  • Mazzawi, Tarek; Hausken, Trygve; Gundersen, Doris Irene; El-Salhy, Magdy. 2016. Dietary guidance normalizes large intestinal endocrine cell densities in patients with irritable bowel syndrome. European Journal of Clinical Nutrition. 70: 175-181. doi: 10.1038/ejcn.2015.191
  • Mazzawi, Tarek; Lied, Gülen Arslan; El-Salhy, Magdy; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Hausken, Trygve. 2016. Kinetics of microbial community composition in patients with diarrhea-predominant irritable bowel syndrome following faecal microbiota transplantation. United European Gastroenterology journal. 4: LB11-LB11.
  • Mazzawi, Tarek; Lied, Gülen Arslan; El-Salhy, Magdy; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Hausken, Trygve. 2016. Effect of fecal microbiota transplantation on the symptoms and duodenal enteroendocrine cells in patients with irritable bowel syndrome. United European Gastroenterology journal. 4: 677-677.
  • Mjelle, Anders Batman; Mulabecirovic, Anesa; Hausken, Trygve; Havre, Roald Flesland; Gilja, Odd Helge; Vesterhus, Mette. 2016. Ultrasound and point shear wave elastography in livers of patients with primary sclerosing cholangitis. Ultrasound in Medicine and Biology. 42: 2146-2155. doi: 10.1016/j.ultrasmedbio.2016.04.016
  • Plummer, Mark P.; Kar, Palash; Cousins, Caroline E.; Hausken, Trygve; Lange, Kylie; Chapman, Marianne J.; Jones, Karen L.; Horowitz, Michael; Deane, Adam M. 2016. Critical Illness Is Associated with Impaired Gallbladder Emptying as Assessed by 3D Ultrasound. Critical Care Medicine. 44: e790-e796. doi: 10.1097/CCM.0000000000001715
  • Steinsvik, Elisabeth Kjelsvik; Hausken, Trygve; Gilja, Odd Helge. 2016. Funksjonell dyspepsi. Gastroskopet.
  • Steinsvik, Elisabeth Kjelsvik; Hausken, Trygve; Gilja, Odd Helge. 2016. The ultrasound meal accommodation test in 509 patients with functional gastrointestinal disorders. Scandinavian Journal of Gastroenterology. 51: 788-794. doi: 10.3109/00365521.2016.1153138
  • Storlid, Eline Lundekvam; Hausken, Trygve; Lied, Gülen Arslan; Gilja, Odd Helge; Hatlebakk, Jan Gunnar. 2016. The Gastric Accomodation Reflex Studied by Ultrasound, Manometry and Impedancemetry in a Pilot Study. United European Gastroenterology journal. 4: 675-675.
  • Vara, Ellen Johanne; Valeur, Jørgen; Hausken, Trygve; Lied, Gülen Arslan. 2016. High levels of serum total IgE-antibodies are not related to intestinal and extra-intestinal symptom severity in irritable bowel syndrome. Neurogastroenterology and Motility. 28: 63-63.
  • Vara, Ellen Johanne; Valeur, Jørgen; Hausken, Trygve; Lied, Gülen Arslan. 2016. Extra-intestinal symptoms in patients with irritable bowel syndrome: related to high total IgE levels and atopic sensitization? Scandinavian Journal of Gastroenterology. 51: 908-913. doi: 10.3109/00365521.2016.1157890
  • Volkmann, Hilde Løland Von; Nylund, Kim; Tronstad, Rune Rose; Hovdenak, Nils; Hausken, Trygve; Fiskerstrand, Torunn; Gilja, Odd Helge. 2016. An activating gucy2c mutation causes impaired contractility and fluid stagnation in the small bowel. Scandinavian Journal of Gastroenterology. 51: 1308-1315. doi: 10.1080/00365521.2016.1200139
  • Wensaas, Knut-Arne; Hanevik, Kurt; Hausken, Trygve; Eide, Geir Egil; Langeland, Nina; Mørch, Kristine; Rørtveit, Guri. 2016. Postinfectious and sporadic functional gastrointestinal disorders have different prevalences and rates of overlap: results from a controlled cohort study 3 years after acute giardiasis. Neurogastroenterology and Motility. 28: 1561-1569. doi: 10.1111/nmo.12856
  • El-Salhy, Magdy; Hatlebakk, Jan G; Gilja, Odd Helge; Hausken, Trygve. 2015. Densities of rectal peptide YY and somatostatin cells as biomarkers for the diagnosis of irritable bowel syndrome. Peptides. 67: 12-19. doi: 10.1016/j.peptides.2015.02.008
  • El-Salhy, Magdy; Hatlebakk, Jan G; Hausken, Trygve. 2015. Reduction in duodenal endocrine cells in irritable bowel syndrome is associated with stem cell abnormalities. World Journal of Gastroenterology. 21: 9577-9587. doi: 10.3748/wjg.v21.i32.9577
  • El-Salhy, Magdy; Hatlebakk, Jan Gunnar; Gilja, Odd Helge; Hausken, Trygve. 2015. The relation between celiac disease, nonceliac gluten sensitivity and irritable bowel syndrome. Nutrition Journal. 14:92. doi: 10.1186/s12937-015-0080-6
  • Giezenaar, Caroline; Trahair, Laurence G.; Rigda, Rachael; Hutchison, Amy T.; Feinle-Bisset, Christine; Luscombe-Marsh, Natalie D.; Hausken, Trygve; Jones, Karen L.; Horowitz, Michael; Chapman, Ian; Soenen, Stijn. 2015. Lesser suppression of energy intake by orally ingested whey protein in healthy older men compared with young controls. American Journal of Physiology. Regulatory Integrative and Comparative Physiology. 309: R845-R854. doi: 10.1152/ajpregu.00213.2015
  • Hutchison, Amy T.; Piscitelli, Diana; Horowitz, Michael; Jones, Karen L.; Clifton, Peter M.; Standfield, Scott; Hausken, Trygve; Feinle-Bisset, Christine; Luscombe-Marsh, Natalie D. 2015. Acute load-dependent effects of oral whey protein on gastric emptying, gut hormone release, glycemia, appetite, and energy intake in healthy men. American Journal of Clinical Nutrition. 102: 1574-1584. doi: 10.3945/ajcn.115.117556
  • Mazzawi, Tarek; Gundersen, Doris Irene; Hausken, Trygve; El-Salhy, Magdy. 2015. Increased chromogranin A cell density in the large intestine of patients with irritable bowel syndrome after receiving dietary guidance. Gastroenterology Research and Practice. 2015:823897. 8 pages. doi: 10.1155/2015/823897
  • Mazzawi, Tarek; Hausken, Trygve; Gundersen, Doris Irene; El-Salhy, Magdy. 2015. Effect of dietary management on the gastric endocrine cells in patients with irritable bowel syndrome. European Journal of Clinical Nutrition. 69: 519-524. doi: 10.1038/ejcn.2014.151
  • Nylund, Kim; Volkmann, Hilde Løland Von; Hausken, Trygve; Gilja, Odd Helge. 2015. Oppfølging av Crohn’s sykdom med ultralyd. Best Practice Gastroenterology. 24-26.
  • Pham, Khanh Do-Cong; Viste, Asgaut; Dicko, Aly; Hausken, Trygve; Hatlebakk, Jan Gunnar. 2015. Peroral endoscopic pyloromyotomy for primary pyloric stenosis. Endoscopy. doi: 10.1055/s-0034-1393675
  • Robertson, Lucy; Tysnes, Kristoffer; Hanevik, Kurt; Langeland, Nina; Mørch, Kristine; Hausken, Trygve; Nygård, Karin Maria. 2015. Hund som Giardia-kilde i Bergen i 2004 - barking up the wrong tree? Tidsskrift for Den norske legeforening. 135: 1718-1720. doi: 10.4045/tidsskr.15.0883
  • Valeur, Jørgen; Berstad, Arnold; Hausken, Trygve. 2015. The effect of body position on postprandial perceptions, gastric emptying, and intragastric meal distribution: An ultrasonographic study in reclining healthy subjects. Scandinavian Journal of Gastroenterology. 50: 170-173. doi: 10.3109/00365521.2014.990506
  • Ødegaard, Svein; Nesje, Lars B; Hausken, Trygve; Gilja, Odd Helge. 2015. Ultrasonography in gastroenterology. Scandinavian Journal of Gastroenterology. 50: 698-707. doi: 10.3109/00365521.2015.1028436
  • El-Salhy, Magdy; Gilja, Odd Helge; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2014. Interaction between ingested nutrients and gut endocrine cells in patients with irritable bowel syndrome (Review). International Journal of Molecular Medicine. 34: 363-371. doi: 10.3892/ijmm.2014.1811
  • El-Salhy, Magdy; Gilja, Odd Helge; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2014. Duodenal Chromogranin A Cell Density as a Biomarker for the Diagnosis of Irritable Bowel Syndrome. Gastroenterology Research and Practice. 2014. 8 pages. doi: 10.1155/2014/462856
  • El-Salhy, Magdy; Gilja, Odd Helge; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2014. Endocrine cells in the ileum of patients with irritable bowel syndrome. World Journal of Gastroenterology. 20: 2383-2391. doi: 10.3748/wjg.v20.i9.2383
  • El-Salhy, Magdy; Gilja, Odd Helge; Gundersen, Doris Irene; Hausken, Trygve. 2014. Endocrine cells in the oxyntic mucosa of the stomach in patients with irritable bowel syndrome. World Journal of Gastrointestinal Endoscopy. 16: 176-185. doi: 10.4253/wjge.v6.i5.176
  • El-Salhy, Magdy; Gilja, Odd Helge; Hatlebakk, Jan G; Hausken, Trygve. 2014. Stomach antral endocrine cells in patients with irritable bowel syndrome. International Journal of Molecular Medicine. 34: 967-974. doi: 10.3892/ijmm.2014.1887
  • El-Salhy, Magdy; Gilja, Odd Helge; Hausken, Trygve. 2014. Chromogranin A cells in the stomachs of patients With sporadic irritable bowel syndrome. Molecular Medicine Reports. 10: 1753-1757. doi: 10.3892/mmr.2014.2472
  • El-Salhy, Magdy; Gundersen, Doris Irene; Gilja, Odd Helge; Hatlebakk, Jan G; Hausken, Trygve. 2014. Is irritable bowel syndrome an organic disorder? World Journal of Gastroenterology. 20: 384-400. doi: 10.3748/wjg.v20.i2.384
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Gilja, Odd Helge; Hausken, Trygve. 2014. Abnormal rectal endocrine cells in patients with irritable bowel syndrome. Regulatory Peptides. 188: 60-65. doi: 10.1016/j.regpep.2013.11.005
  • El-Salhy, Magdy; Hatlebakk, Jan G; Gilja, Odd Helge; Hausken, Trygve. 2014. Irritable bowel syndrome: recent developments in diagnosis, pathophysiology, and treatment. Expert Review of Gastroenterology & Hepatology. 8: 435-443. doi: 10.1586/17474124.2014.888952
  • El-Salhy, Magdy; Svensen, Rune; Hatlebakk, Jan G; Gilja, Odd Helge; Hausken, Trygve. 2014. Chronic constipation and treatment options (Review). Molecular Medicine Reports. 9: 3-8. doi: 10.3892/mmr.2013.1770
  • El-Salhy, Magdy; Umezawa, Kazuo; Gilja, Odd Helge; Hatlebakk, Jan G; Gundersen, Doris Irene; Hausken, Trygve. 2014. Amelioration of Severe TNBS Induced Colitis by Novel AP-1 and NF-κB Inhibitors in Rats. Scientific World Journal. 2014. 8 pages. doi: 10.1155/2014/813804
  • Hausken, Trygve; Skåre, Janneche Utne; Polder, Anuschka; Haugen, Margaretha; Meltzer, Helle Margrete; Haldorsen, Anne-Katrine L.; Julshamn, Kåre; Nygård, Ottar; Berge, Rolf Kristian; Skorve, Jon. 2014. High consumption of farmed salmon does not disrupt the steady state of persistent organic pollutants (POP) in human plasma and adipose tissue. Journal of Toxicology and Environmental Health, Part A. 77: 1229-1250. doi: 10.1080/15287394.2014.926262
  • Lied, Gülen Arslan; Gilja, Odd Helge; Hausken, Trygve. 2014. Har silibinin en plass i behandlingen av leversykdommer? Tidsskrift for Den norske legeforening. 134: 392-392. doi: 10.4045/tidsskr.13.1531
  • Mazzawi, Tarek; Gundersen, Doris Irene; Hausken, Trygve; El-Salhy, Magdy. 2014. Increased gastric chromogranin A cell density following changes to diets of patients with irritable bowel syndrome. Molecular Medicine Reports. 10: 2322-2326. doi: 10.3892/mmr.2014.2498
  • Sævik, Fredrik Eriksen; Nylund, Kim; Hausken, Trygve; Ødegaard, Svein; Gilja, Odd Helge. 2014. Bowel perfusion measured with dynamic contrast-enhanced ultrasound predicts treatment outcome in patients with crohn's disease. Inflammatory Bowel Diseases. 20: 2029-2037. doi: 10.1097/MIB.0000000000000159
  • Trahair, Laurence G.; Horowitz, Michael; Hausken, Trygve; Feinle-Bisset, Christine; Rayner, Christopher K.; Jones, Karen L. 2014. Effects of exogenous glucagon-like peptide-1 on the blood pressure, heart rate, mesenteric blood flow, and glycemic responses to intraduodenal glucose in healthy older subjects. Journal of Clinical Endocrinology and Metabolism. 99: E2628-E2634. doi: 10.1210/jc.2014-2475
  • Bjørndal, Bodil; Grimstad, Tore; Cacabelos, Daniel; Nylund, Kim; Aasprong, Ole Gunnar; Omdal, Roald; Portero-Otin, Manuel; Pamplona, Reinald; Hausken, Trygve; Lied, Gülen Arslan; Berge, Rolf Kristian. 2013. Tetradecylthioacetic acid attenuates inflammation and has antioxidative potential during experimental colitis in rats. Digestive Diseases and Sciences. 58: 97-106. doi: 10.1007/s10620-012-2321-2
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Low‑grade inflammation in the rectum of patients with sporadic irritable bowel syndrome. Molecular Medicine Reports. 7: 1081-1085. doi: 10.3892/mmr.2013.1320
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Clinical presentation, diagnosis, pathogenesis and treatment options for lymphocytic colitis (Review). International Journal of Molecular Medicine. 32: 263-270. doi: 10.3892/ijmm.2013.1385
  • El-Salhy, Magdy; Mazzawi, Tarek; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Changes in the symptom pattern and the densities of large-intestinal endocrine cells following Campylobacter infection in irritable bowel syndrome: a case report. BMC Research Notes. 6. 11 pages. doi: 10.1186/1756-0500-6-391
  • El-Salhy, Magdy; Mazzawi, Tarek; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. The role of peptide YY in gastrointestinal diseases and disorders (Review). International Journal of Molecular Medicine. 31: 275-282. doi: 10.3892/ijmm.2012.1222
  • El-Salhy, Magdy; Wendelbo, Ingvild Haukaas; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Colonoscopy with mucosal biopsies in young rats: A model for experimental gastroenterology. Molecular Medicine Reports. 7: 1757-1760. doi: 10.3892/mmr.2013.1422
  • El-Salhy, Magdy; Wendelbo, Ingvild Haukaas; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Evaluation of the usefulness of colonoscopy with mucosal biopsies in the follow-up of TNBS-induced colitis in rats. Molecular Medicine Reports. 8: 446-450. doi: 10.3892/mmr.2013.1528
  • Erchinger, Friedemann; Engjom, Trond; Tjora, Erling; Hoem, Dag; Hausken, Trygve; Gilja, Odd Helge; Dimcevski, Georg Gjorgji. 2013. Quantification of pancreatic function using a clinically feasible short endoscopic secretin test. Pancreas. 42: 1101-1106. doi: 10.1097/MPA.0b013e3182847a86
  • Fjørtoft, Ingrid; Furnes, Bjørg; Hausken, Trygve; Storli, Kristian Eeg; Eide, Geir Egil; Søndenaa, Karl. 2013. Pre-operative anaemia in colon cancer patients became normal after more than a year post-operatively but did not influence oncological outcome in the final analysis. Scandinavian Journal of Gastroenterology. 48: 663-671. doi: 10.3109/00365521.2013.781216
  • Gilja, Odd Helge; Sævik, Fredrik Eriksen; Nylund, Kim; Hausken, Trygve. 2013. GI wall perfusjon one month after start of medication predicts treatment failure in patients with Crohn's disease. Journal of Gastroenterology and Hepatology. 28: 468-468.
  • Grimstad, Tore; Bjørndal, Bodil; Cacabelos, Daniel; Aasprong, Ole Gunnar; Omdal, Roald; Svardal, Asbjørn M.; Bohov, Pavol; Pamplona, Reinald; Portero-Otin, Manuel; Berge, Rolf Kristian; Hausken, Trygve. 2013. A salmon peptide diet alleviates experimental colitis as compared with fish oil. Journal of Nutritional Science. 2: 1-8. doi: 10.1017/jns.2012.23
  • Hatlebakk, Jan G; Emken, Birgitte-Elise G; Glazkov, Valerij; Hoff, Dag Arne Lihaug; Hausken, Trygve. 2013. Correct use of proton pump inhibitors for gastro-oesophageal reflux disease. Tidsskrift for Den norske legeforening. 133: 43-46. doi: 10.4045/tidsskr.12.0019
  • Mazzawi, Tarek; Hausken, Trygve; Gundersen, Doris Irene; El-Salhy, Magdy. 2013. Effects of dietary guidance on the symptoms, quality of life and habitual dietary intake of patients with irritable bowel syndrome. Molecular Medicine Reports. 8: 845-852. doi: 10.3892/mmr.2013.1565
  • Mørch, Kristine; Hanevik, Kurt; Rivenes, Ann Christin; Bødtker, Jørn; Næss, Halvor; Stubhaug, Bjarte; Wensaas, Knut-Arne; Rørtveit, Guri; Eide, Geir Egil; Hausken, Trygve; Langeland, Nina. 2013. Chronic fatigue syndrome 5 years after giardiasis: differential diagnoses, characteristics and natural course. BMC Gastroenterology. 13. 17 pages. doi: 10.1186/1471-230X-13-28
  • Nylund, Kim; Eriksen, Ragnar; Saevik, Fredrik; Hausken, Trygve; Gilja, Odd Helge. 2013. Transabdominal ultralyddiagnsotikk av tarmsykdommer. Indremedisineren. 36-37.
  • Nylund, Kim; Jirík, Radovan; Mezl, Martin; Leh, Sabine Maria; Hausken, Trygve; Pfeffer, Frank; Ødegaard, Svein; Taxt, Torfinn; Gilja, Odd Helge. 2013. Quantitative contrast-enhanced ultrasound comparison between inflammatory and fibrotic lesions in patients with Crohn's Disease. Ultrasound in Medicine and Biology. 39: 1197-1206. doi: 10.1016/j.ultrasmedbio.2013.01.020
  • Sim, Jennifer A.; Horowitz, Michael; Summers, Matthew J.; Trahair, Laurence G.; Goud, Rajendra S.; Zaknic, Antony V.; Hausken, Trygve; Fraser, John D.; Chapman, Marianne J.; Jones, Karen L.; Deane, Adam M. 2013. Mesenteric blood flow, glucose absorption and blood pressure responses to small intestinal glucose in critically ill patients older than 65 years. Intensive Care Medicine. 39: 258-266. doi: 10.1007/s00134-012-2719-5
  • Valestrand, Eivind Alexander; Hausken, Trygve; Gilja, Odd Helge. 2013. Ultrasonografisk funksjonsundersøkelse av gastrointesinalkanalen. Indremedisineren. 41-42.
  • Viola, Ivan; Birkeland, Åsmund; Šoltészová, Veronika; Helljesen, Linn Emilie Sævil; Hauser, Helwig; Kotopoulis, Spiros; Nylund, Kim; Ulvang, Dag Magne; Øye, Ola Kristoffer; Hausken, Trygve; Gilja, Odd Helge. 2013. High-quality 3D visualization of in-situ ultrasonography. Eurographics. 1-4. doi: 10.2312/conf/EG2013/med/001-004
  • Volkmann, Hilde Løland Von; Havre, Roald Flesland; Løberg, Else Marit; Haaland, Therese Kristina; Immervoll, Heike; Haukeland, John Willy; Hausken, Trygve; Gilja, Odd Helge. 2013. Quantitative measurement of ultrasound attenuation and hepato-renal index in non-alcoholic fatty liver disease. Medical ultrasonography. 15: 16-22. doi: 10.11152/mu.2013.2066.151.hlv1qmu2
  • Ahmed, Aymen B; Matre, Knut; Hausken, Trygve; Gregersen, Hans; Gilja, Odd Helge. 2012. Rome III subgroups of functional dyspepsia exhibit different characteristics of antral contractions measured by strain rate imaging. Ultraschall in der Medizin. 33: 233-240. doi: 10.1055/s-0032-1313073
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. Chromogranin A cell density as a diagnostic marker for lymphocytic colitis. Digestive Diseases and Sciences. 57: 3154-3159. doi: 10.1007/s10620-012-2249-6
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. High densities of serotonin and peptide YY cells in the colon of patients with lymphocytic colitis. World Journal of Gastroenterology. 18: 6070-6075. doi: 10.3748/wjg.v18.i42.6070
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. Irritable bowel syndrome: treatment options. Clinical Practice. 9: 591-600. doi: 10.2217/cpr.12.41
  • El-Salhy, Magdy; Gundersen, Doris Irene; Østgaard, Hege; Lomholt-Beck, Bjarne; Hatlebakk, Jan G; Hausken, Trygve. 2012. Low Densities of Serotonin and Peptide YY Cells in the Colon of Patients with Irritable Bowel Syndrome. Digestive Diseases and Sciences. 57: 873-878. doi: 10.1007/s10620-011-1948-8
  • El-Salhy, Magdy; Mazzawi, Tarek; Gundersen, Doris Irene; Hausken, Trygve. 2012. Chromogranin A cell density in the rectum of patients with irritable bowel syndrome. Molecular Medicine Reports. 6: 1223-1225. doi: 10.3892/mmr.2012.1087
  • El-Salhy, Magdy; Seim, Inge; Chopin, Lisa; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. Irritable bowel syndrome: the role of gut neuroendocrine peptides. Frontiers in Bioscience (Elite Edition). 4: 2783-2800. doi: 10.2741/583
  • El-Salhy, Magdy; Østgaard, Hege; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2012. The role of diet in the pathogenesis and management of irritable bowel syndrome (Review). International Journal of Molecular Medicine. 29: 723-731. doi: 10.3892/ijmm.2012.926
  • Grimstad, Tore; Bjørndal, Bodil; Cacabelos, Daniel; Aasprong, Ole Gunnar; Janssen, Emilius Adrianus Maria; Omdal, Roald; Svardal, Asbjørn M.; Hausken, Trygve; Bohov, Pavol; Portero-Otin, Manuel; Pamplona, Reinald; Berge, Rolf Kristian. 2012. Dietary supplementation of krill oil attenuates inflammation and oxidative stress in experimental ulcerative colitis in rats. Scandinavian Journal of Gastroenterology. 47: 49-58. doi: 10.3109/00365521.2011.634025
  • Hanevik, Kurt; Kristoffersen, Einar Klæboe; Sørnes, Steinar; Mørch, Kristine; Næss, Halvor; Rivenes, Ann Christin; Bødtker, Jørn; Hausken, Trygve; Langeland, Nina. 2012. Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome. BMC Infectious Diseases. 12: 258. Published 2012-10-14. doi: 10.1186/1471-2334-12-258
  • Hausken, Trygve; Dizdar, Vernesa; Hanevik, Kurt; Lærum, Ole Didrik; Gilja, Odd Helge; Hatlebakk, Jan G; Langeland, Nina. 2012. Duodenal mucosal lymphocyte subgroups in patients with persisting abdominal symptoms after Giardia lamblia infection. Neurogastroenterology and Motility. 24: 172-172.
  • Hausken, Trygve; Valeur, Jørgen. 2012. Stillingsavhengig dyspepsi. Tidsskrift for Den norske legeforening. 132: 1461-1461.
  • Lied, Gülen Arslan; Milde, Anne Marita; Nylund, Kim; Mujic, Maja; Grimstad, Tore; Hausken, Trygve; Gilja, Odd Helge. 2012. Increased wall thickness using ultrasonography is associated with inflammation in an animal model of experimental colitis. Clinical and Experimental Gastroenterology. 5: 195-201. doi: 10.2147/CEG.S31150
  • Nylund, Kim; Hausken, Trygve; Ødegaard, Svein; Eide, Geir Egil; Gilja, Odd Helge. 2012. Gastrointestinal Wall Thickness Measured with Transabdominal Ultrasonography and Its Relationship to Demographic Factors in Healthy Subjects. Ultraschall in der Medizin. 8 pages. doi: 10.1055/s-0031-1299329
  • Næss, Halvor; Nyland, Morten; Hausken, Trygve; Follestad, Inghild; Nyland, Harald Inge. 2012. Chronic fatigue syndrome after Giardia enteritis: clinical characteristics, disability and long-term sickness absence. BMC Gastroenterology. 12. 7 pages. doi: 10.1186/1471-230X-12-13
  • Schmidt, Malte; Søndenaa, Karl; Dumot, John A.; Rosenblatt, Steven; Hausken, Trygve; Ramnefjell, Maria; Njølstad, Gro; Eide, Geir Egil. 2012. Post-cholecystectomy symptoms were caused by persistence of a functional gastrointestinal disorder. World Journal of Gastroenterology. 18: 1365-1372. doi: 10.3748/wjg.v18.i12.1365
  • Seim, Inge; El-Salhy, Magdy; Hausken, Trygve; Gundersen, Doris Irene; Chopin, Lisa. 2012. Ghrelin and the brain-gut axis as a pharmacological target for appetite control. Current pharmaceutical design. 18: 768-775. doi: 10.2174/138161212799277806
  • Valeur, Jørgen; Hausken, Trygve. 2012. Oppblåst mage uten gass. Tidsskrift for Den norske legeforening. 132: 2400-2400.
  • Østgaard, Hege; Hausken, Trygve; Gundersen, Doris Irene; El-Salhy, Magdy. 2012. Diet and effects of diet management on quality of life and symptoms in patients with irritable bowel syndrome. Molecular Medicine Reports. 5: 1382-1390. doi: 10.3892/mmr.2012.843
  • Boye, Turid Birgitte; Lundin, Knut E A; Jantschek, Günter; Leganger, Siv; Møkleby, Kjell; Tangen, Tone; Jantschek, Ingrid; Pripp, Are Hugo; Wojniusz, Slawomir Donat; Dahlstrøm, Astri; Rivenes, Ann Christin; Benninghoven, Dieter; Hausken, Trygve; Røseth, Arne; Kunzendorf, Sebastian; Wilhelmsen, Ingvard; Sharpe, Michael; Blomhoff, Svein; Malt, Ulrik Fredrik; Jahnsen, Jørgen. 2011. INSPIRE Study: Does stress management improve the course of inflammatory bowel disease and disease-specific quality of life indDistressed patients with ulcerative colitis or Crohn's Disease? A randomized controlled trial. Inflammatory Bowel Diseases. 17: 1863-1873. doi: 10.1002/ibd.21575
  • El-Salhy, Magdy; Gundersen, Doris Irene; Østgaard, Hilde K; Lomholt-Beck, Bjarne; Hatlebakk, Jan G; Hausken, Trygve. 2011. Low densities of serotonin and peptide YY cells in the colon of patients with irritable bowel syndrome. International Journal of Molecular Medicine. 28: S10-S10.
  • Erchinger, Friedemann; Engjom, Trond; Tjora, Erling; Gilja, Odd Helge; Hausken, Trygve; Hoem, Dag; Dimcevski, Georg Gjorgji. 2011. A Short Endoscopic Pancreas Function Test to Diagnose Chronic Pancreatitis. Pancreatology (Print). 11. doi: 10.1159/000328511
  • Grimstad, Tore; Berge, Rolf Kristian; Bohov, Pavol; Skorve, Jon; Gøransson, Lasse; Omdal, Roald; Aasprong, Ole Gunnar; Haugen, Margaretha; Meltzer, Helle Margrete; Hausken, Trygve. 2011. Salmon diet in patients with active ulcerative colitis reduced the simple clinical colitis activity index and increased the anti-infl ammatory fatty acid index – a pilot study. Scandinavian Journal of Clinical and Laboratory Investigation. 71: 68-73. doi: 10.3109/00365513.2010.542484
  • Hanevik, Kurt; Dizdar, Vernesa; Langeland, Nina; Eide, Geir Egil; Hausken, Trygve. 2011. Tolerability and effect of mesalazine in postinfectious irritable bowel syndrome. Alimentary Pharmacology and Therapeutics. 34: 259-260. doi: 10.1111/j.1365-2036.2011.04715.x
  • Schmidt, Malte; Hausken, Trygve; Glambek, Inge; Schleer, Christoph; Eide, Geir Egil; Søndenaa, Karl. 2011. A 24-year controlled follow-up of patients with silent gallstones showed no long-term risk of symptoms or adverse events leading to cholecystectomy. Scandinavian Journal of Gastroenterology. 46: 949-954. doi: 10.3109/00365521.2011.571710
  • Stevens, Julie E.; Gilja, Odd Helge; Gentilcore, Diana; Hausken, Trygve; Horowitz, Michael; Jones, Karen L. 2011. Measurement of gastric emptying of a high-nutrient liquid by 3D ultrasonography in diabetic gastroparesis. Neurogastroenterology and Motility. 23. 8 pages. doi: 10.1111/j.1365-2982.2010.01630.x
  • Søndenaa, Karl; Gondolesi, Gabriel E.; Roayaie, Sasan; Goldman, Jody S.; Hausken, Trygve; Schwartz, Myron E. 2011. Functional abdominal complaints occurred frequently in living liver donors after donation. Scandinavian Journal of Gastroenterology. 46: 611-615. doi: 10.3109/00365521.2010.537685
  • Vanis, Lora; Hausken, Trygve; Gentilcore, Diana; Rigda, Rachael S.; Rayner, Christopher K.; Feinle-Bisset, Christine; Horowitz, Michael; Jones, Karen L. 2011. Comparative effects of glucose and xylose on blood pressure, gastric emptying and incretin hormones in healthy older subjects. British Journal of Nutrition. 105: 1644-1651. doi: 10.1017/S0007114510005489
  • Dizdar, Vernesa; Spiller, Robin; Singh, Gulzar; Hanevik, Kurt; Gilja, Odd Helge; El-Salhy, Magdy; Hausken, Trygve. 2010. Relative importance of abnormalities of CCK and 5-HT (serotonin) in Giardia-induced post-infectious irritable bowel syndrome and functional dyspepsia. Alimentary Pharmacology and Therapeutics. 31: 883-891. doi: 10.1111/j.1365-2036.2010.04251.x
  • El-Salhy, Magdy; Lillebø, Elli; Reinemo, Astrid; Salmelid, Lillian; Hausken, Trygve. 2010. Effects of a health program comprising reassurance, diet management, probiotics administration and regular exercise on symptoms and quality of life in patients with irritable bowel syndrome. Gastroenterology Insights. 2: 21-26. doi: 10.4081/gi.2010.e6
  • El-Salhy, Magdy; Lomholt-Beck, Bjarne; Hausken, Trygve. 2010. Chromogranin A as a possible tool in the diagnosis of irritable bowel syndrome. Scandinavian Journal of Gastroenterology. 45: 1435-1439. doi: 10.3109/00365521.2010.503965
  • El-Salhy, Magdy; Vaali, Kirsi Kaarina; Dizdar, Vernesa; Hausken, Trygve. 2010. Abnormal small-intestinal endocrine cells in patients with irritable bowel syndrome. Digestive Diseases and Sciences. 55: 3508-3513. doi: 10.1007/s10620-010-1169-6
  • Nylund, Kim; Hausken, Trygve; Gilja, Odd Helge. 2010. Ultrasound and Inflammatory Bowel Disease. Ultrasound Quarterly. 26: 3-15. doi: 10.1097/RUQ.0b013e3181ce0929
  • Vanis, Lora; Gentilcore, Diana; Hausken, Trygve; Pilichiewicz, Amelia N.; Lange, Kylie; Rayner, Christopher K.; Feinle-Bisset, Christine; Meyer, James H.; Horowitz, Michael; Jones, Karen L. 2010. Effects of gastric distension on blood pressure and superior mesenteric artery blood flow responses to intraduodenal glucose in healthy older subjects. American Journal of Physiology. Regulatory Integrative and Comparative Physiology. 299: R960-R967. doi: 10.1152/ajpregu.00235.2010
  • Ahmed, Aymen B; Gilja, Odd Helge; Hausken, Trygve; Gregersen, Hans; Matre, Knut. 2009. Strain measurement during antral contractions by ultrasound strain rate imaging: influence of erythromycin. Neurogastroenterology and Motility. 21: 170-179. doi: 10.1111/j.1365-2982.2007.01043.x
  • Brennan, Ixchel M.; Feltrin, Kate L.; Nair, Nivasinee S.; Hausken, Trygve; Little, Tanya J.; Gentilcore, Diana; Wishart, Judith M.; Jones, Karen L.; Horowitz, Michael; Feinle-Bisset, Christine. 2009. Effects of the phases of the menstrual cycle on gastric emptying, glycemia, plasma GLP-1 and insulin, and energy intake in healthy lean women. American Journal of Physiology - Gastrointestinal and Liver Physiology. 297: G602-G610. doi: 10.1152/ajpgi.00051.2009
  • Erchinger, Friedemann; Dimcevski, Georg Gjorgji; Gilja, Odd Helge; Hausken, Trygve. 2009. Abdominal ultrasound after colonoscopy with insufflation of carbon dioxide versus air. Scandinavian Journal of Gastroenterology. 44: 1055-1059. doi: 10.1080/00365520903121693
  • Gentilcore, Diana; Nair, Nivasinee S.; Vanis, Lora; Rayner, Christopher K.; Meyer, James H.; Hausken, Trygve; Horowitz, Michael; Jones, Karen L. 2009. Comparative effects of oral and intraduodenal glucose on blood pressure, heart rate, and splanchnic blood flow in healthy older subjects. American Journal of Physiology. Regulatory Integrative and Comparative Physiology. 297: R716-R722. doi: 10.1152/ajpregu.00215.2009
  • Hanevik, Kurt; Dizdar, Vernesa; Langeland, Nina; Hausken, Trygve. 2009. Development of functional gastrointestinal disorders after Giardia lamblia infection. BMC Gastroenterology. 9. doi: 10.1186/1471-230X-9-27
  • Hausken, Trygve. 2009. The role of chromogranin A in irritable bowel syndrome. Journal of Gastrointestinal and Liver Diseases. 18: 259.
  • Hausken, Trygve. 2009. The role of chromogranin A in irritable bowel syndrome. Journal of Gastrointestinal and Liver Diseases. 18: 259-259.
  • Mørch, Kristine; Hanevik, Kurt; Rørtveit, Guri; Wensaas, Knut-Arne; Eide, Geir Egil; Hausken, Trygve; Langeland, Nina. 2009. Severity of Giardia infection associated with post-infectious fatigue and abdominal symptoms two years after. BMC Infectious Diseases. 9. Published 2009-12-15. doi: 10.1186/1471-2334-9-206
  • Nair, Nivasinee S.; Brennan, Ixchel M.; Little, Tanya J.; Gentilcore, Diana; Hausken, Trygve; Jones, Karen L.; Wishart, Judith M.; Horowitz, Michael; Feinle-Bisset, Christine. 2009. Reproducibility of energy intake, gastric emptying, blood glucose, plasma insulin and cholecystokinin responses in healthy young males. British Journal of Nutrition. 101: 1094-1102. doi: 10.1017/S0007114508042372
  • Nylund, Kim; Ødegaard, Svein; Hausken, Trygve; Folvik, Geir; Lied, Gülen Arsland; Viola, Ivan; Hauser, Helwig; Gilja, Odd Helge. 2009. Sonography of the small intestine. World Journal of Gastroenterology. 15: 1319-1330. doi: 10.3748/wjg.15.1319
  • Hanevik, Kurt; Mørch, Kristine; Eide, Geir Egil; Langeland, Nina; Hausken, Trygve. 2008. Effects of albendazole/metronidazole or tetracycline/folate treatments on persisting symptoms after Giardia infection: A randomized open clinical trial. Scandinavian Journal of Infectious Diseases. 40: 517-522. doi: 10.1080/00365540701827481
  • Lundin, Knut Erik Aslaksen; Jahnsen, Jørgen; Leganger, Siv; Møkleby, Kjell; Tangen, Tone; Jantschek, Ingrid; Wojniusz, Slawomir; Rivelsrud, A.; Hausken, Trygve; Benningshoven, D.; Jantschek, Günter; Rødseth, A.; Wilhelmsen, Ingvard; Malt, Ulrik Fredrik; Boye, Birgitte. 2008. The INSPIRE study: Does stress management intervention improve course of IBD and disease specific quality of life in distressed patients with Ulcerative colitis and Crohn's disease? Inflammatory Bowel Diseases. 14: S28-S28.
  • Lunding, Johan Axel; Nordström, Lars Michael; Haukelid, Alf-Olav; Gilja, Odd Helge; Berstad, Arnold; Hausken, Trygve. 2008. Vagal activation by sham feeding improves gastric motility in functional dyspepsia. Neurogastroenterology and Motility. 20: 618-624. doi: 10.1111/j.1365-2982.2007.01076.x
  • Morken, Mette Helvik; Nysæter, Gunnar; Strand,, Elisabeth A.; Hausken, Trygve; Berstad, Arnold. 2008. Lactulose breath test results in patients with persistent abdominal symptoms following Giardia lamblia infection. Scandinavian Journal of Gastroenterology. 43: 141-145. doi: 10.1080/00365520701673960
  • Nylund, Kim; Leh, Sabine; Immervoll, Heike; Matre, Knut; Skarstein, Arne; Hausken, Trygve; Gilja, Odd Helge; Nesje, Lars B; Ødegaard, Svein. 2008. Crohn's disease: Comparison of in vitro ultrasonographic images and histology. Scandinavian Journal of Gastroenterology. 43: 719-726. doi: 10.1080/00365520801898855
  • Schmidt, Peter T; Abrahamsson, Hasse; Dolk, Anders; Hausken, Trygve; Karling, Pontus; Lindberg, Greger; Nyhlin, Henry; Ohlsson, Bodil; Simrèn, Magnus; Sjölund, Kristina; Stotzer, Per-Olof; Törnblom, Hans. 2008. Methods to assess gastric motility and sensation. Scandinavian Journal of Gastroenterology. 43: 1285-1295. doi: 10.1080/00365520802240263
  • Dizdar, Vernesa; Gilja, Odd Helge; Hausken, Trygve. 2007. Increased visceral sensitivity in patients with Giardia-induced Post Infectious FGD. Effect of 5HT3 antagonist onclansetron. Scandinavian Journal of Gastroenterology. 42: 17-17.
  • Dizdar, Vernesa; Gilja, Odd Helge; Hausken, Trygve. 2007. Increased visceral sensitivity in Giardia-induced postinfectious irritable bowel syndrome and functional dyspepsia. Effect of the 5HT(3)-antagonist ondansetron. Neurogastroenterology and Motility. 19: 977-982. doi: 10.1111/j.1365-2982.2007.00988.x
  • Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Ødegaard, Svein; Berstad, Arnold; Viola, Ivan; Giertsen, Christopher; Hausken, Trygve; Gregersen, Hans. 2007. Advanced imaging and visualization in gastrointestinal disorders. World Journal of Gastroenterology. 13: 1408-1421.
  • Grimstad, Tore; Hausken, Trygve; Berge, Rolf Kristian; Aarsland, Torbjørn. 2007. Health effects from a regular intake of Atlantic salmon in patients with active ulcerative colitis. Scandinavian Journal of Gastroenterology. 42: 26-26.
  • Hanevik, Kurt; Hausken, Trygve; Morken, Mette Helvik; Strand, Elisabeth Astrup; Mørch, Kristine; Coll, Peter; Helgeland, Lars Inge; Langeland, Nina. 2007. Persisting symptoms and duodenal inflammation related to Giardia duodenalis infection. Journal of Infection. 55: 524-530. doi: 10.1016/j.jint.2007.09.004
  • Hjelland, Ina Elen; Svebak, Sven; Berstad, Arnold; Flatabø, Geir; Hausken, Trygve. 2007. Breathing exercises with vagal biofeedback may benefit patients with functional dyspepsia. Scandinavian Journal of Gastroenterology. 42: 1054-1062. doi: 10.1080/00365520701259208
  • Lunding, Johan Axel; Gilja, Odd Helge; Hausken, Trygve; Bayati, Alfred; Mattsson, Hillevi; Berstad, Arnold. 2007. Distension-induced gastric accommodation in functional dyspepsia: effect of autonomic manipulation. Neurogastroenterology and Motility. 19: 365-375. doi: 10.1111/j.1365-2982.2006.00896.x
  • Skuladottir, Hildur; Hatlebakk, Jan Gunnar; Hausken, Trygve. 2007. Postprandial symptoms in healthy subjects improve in the left lateral supine position. Scandinavian Journal of Gastroenterology. 42: 24-24.
  • Berhane, Tewelde; Hausken, Trygve; Olafsson, Snorri; Søndenaa, Karl. 2006. Sonographischer Nachweis einer gestörten proximalen Magenmotilität bei symptomatischen Gallensteinträgern mit Dyspepsie und Besserung nach Cholezystektomie (Ultrasound examination shows disturbed proximal gastric function in symptomatic gallstone patients with dyspepsia and improvement after cholecystectomy - Gallstones and gastric emptying). Ultraschall in der Medizin. 27: 451-455. doi: 10.1055/s-2006-926797
  • Berhane, Tewelde; Vetrhus, Morten; Hausken, Trygve; Olafsson, Snorri; Søndenaa, Karl. 2006. Pain attacks in non-complicated and complicated gallstone disease have a characteristic pattern and are accompanied by dyspepsia in most patients: The results of a prospective study. Scandinavian Journal of Gastroenterology. 41: 93-101. doi: 10.1080/00365520510023990
  • Gentilcore, Diana; Hausken, Trygve; Horowitz, Michael; Jones, Karen L. 2006. Measurements of gastric emptying of low- and high-nutrient liquids using 3D ultrasonography and scintigraphy in healthy subjects. Neurogastroenterology and Motility. 18: 1062-1068. doi: 10.1111/j.1365-2982.2006.00830x
  • Gilja, Odd Helge; Lunding, Johan Axel; Hausken, Trygve; Gregersen, Hans. 2006. Gastric accommodation assessed by ultrasonography. World Journal of Gastroenterology. 12: 2825-2829.
  • Hoff, Dag Arne Lihaug; Gregersen, Hans; Ødegaard, Svein; Nesje, Lars B; Øvrebø, Kjell; Hausken, Trygve; Gilja, Odd Helge; Matre, Knut; Hatlebakk, Jan Gunnar. 2006. A multimodal laser Doppler and endosonographic distension device for studying mechanosensation and mucosal blood flow in the oesophagus. Neurogastroenterology and Motility. 18: 243-248. doi: 10.1111/j.1365-2982.2005.00738.x
  • Nygård, Karin Maria; Schimmer, Barbara; Søbstad, Øystein; Walde, Anna; Tveit, Ingvar; Langeland, Nina; Hausken, Trygve; Aavitsland, Preben. 2006. A large community outbreak of waterborne giardiasis-delayed detection in a non-endemic urban area. BMC Public Health. 6. 10 pages. doi: 10.1186/1471-2458-6-141
  • Ryningen, Anita; Apelseth, Torunn; Hausken, Trygve; Bruserud, Øystein. 2006. Reticulated platelets are increased in chronic myeloproliferative disorders, pure erythrocytosis, reactive thrombocytosis and prior to hematopoietic reconstitution after intensive chemotherapy. Platelets. 17: 296-302. doi: 10.1080/09537100600746508
  • Erichsen, Kari; Milde, Anne Marita; Arslan, Gülen; Helgeland, Lars; Gudbrandsen, Oddrun Anita; Ulvik, Rune Johan; Berge, Rolf Kristian; Hausken, Trygve; Berstad, Arnold. 2005. Low-dose oral ferrous fumarate aggravated intestinal inflammation in rats with DSS-induced colitis. Inflammatory Bowel Diseases. 11: 744-748.
  • Erichsen, Kari; Ulvik, Rune Johan; Grimstad, Tore; Berstad, Arnold; Berge, Rolf Kristian; Hausken, Trygve. 2005. Effects of ferrous sulphate and non-ionic iron-polymaltose complex on markers of oxidative tissue damage in patients with inflammatory bowel disease. Alimentary Pharmacology and Therapeutics. 22: 831-838.
  • Erichsen, Kari; Ulvik, Rune Johan; Nysæter, Gunnar; Johansen, Jack; Ostborg, Jens; Berstad, Arnold; Berge, Rolf Kristian; Hausken, Trygve. 2005. Oral ferrous fumarate or intravenous iron sucrose for patients with inflammatory bowel disease. Scandinavian Journal of Gastroenterology. 40: 1058-1065. doi: 10.1080/00365520510023198
  • Gilja, Odd Helge; Hausken, Trygve; Ødegaard, Svein; Berstad, Arnold. 2005. Ultrasonography and three-dimensional methods of the upper gastrointestinal tract. European Journal of Gastroenterology and Hepathology. 17: 277-282.
  • Gilja, Odd Helge; Hausken, Trygve; Ødegaard, Svein; Lunding, Johan Axel; Berstad, Arnold. 2005. Gastric accommodation and ultrasonography. Neurogastroenterology and Motility. 17: 155-155.
  • Hjelland, Ina Elen; Oveland, Nils Petter; Leversen, Katrine Tyborg; Berstad, Arnold; Hausken, Trygve. 2005. Insulin-induced hypoglycemia stimulates gastric vagal activity and motor function without increasing cardiac vagal activity. Digestion. 72: 43-48. doi: 10.1159/000087600
  • Mundt, Marco W.; Hausken, Trygve; Smout, André J.P.M.; Samsom, Melvin. 2005. Relationships between gastric accommodation and gastrointestinal sensations in healthy volunteers. A study using the barostat technique and two- and three-dimensional ultrasonography. Digestive Diseases and Sciences. 50: 1654-1660. doi: 10.1007/s10620-005-2911-3
  • Bassøe, Carl-Fredrik; Hausken, Trygve; Bostad, Leif; Kristoffersen, Einar Klæboe. 2004. Co-occurrence of Epstein-Barr virus infection and ascites in sarcoidosis. Scandinavian Journal of Infectious Diseases. 36: 232-234.
  • Erichsen, Kari; Lied, Gülen Arsland; Olderøy, G; Hausken, Trygve; Berstad, Arnold. 2004. Calprotectin in faeces and gut lavage fluid; relationship to intestinal permeability and disease activity in IBD. Scandinavian Journal of Gastroenterology. 39: 8-8.
  • Hjelland, Ina; Ofstad, A.P.; Narvestad, J.K.; Berstad, Arnold; Hausken, Trygve. 2004. Drink tests in functional dyspepsia: which drink is best? Scandinavian Journal of Gastroenterology. 39: 933-937.
  • Liao, D.; Gregersen, Hans; Hausken, Trygve; Gilja, Odd Helge; Mundt, M.; Kassab, G. 2004. Analysis of surface geometry of the human stomach using real-time 3-D ultrasonography in vivo. Neurogastroenterology and Motility. 16: 315-324.
  • Erichsen, Kari; Hausken, Trygve; Ulvik, Rune Johan; Svardal, A.; Berstad, Arnold; Berge, Rolf Kristian. 2003. Ferrous fumarate deteriorated plasma antioxidant status in patients with Crohn disease. Scandinavian Journal of Gastroenterology. 38: 543-548.
  • Gilja, Odd Helge; Hausken, Trygve; Ødegaard, Svein; Wendelbo, Øystein; Thierley, M. 2003. Mobilultralyd i en medisinsk avdeling. Tidsskrift for Den norske legeforening. 123: 2713-2714.
  • Matre, Knut; Ahmed, Aymen B; Gregersen, Hans; Heimdal, Andreas; Hausken, Trygve; Ødegaard, Svein; Gilja, Odd Helge. 2003. In vitro evaluation of ultrasound Doppler strain rate imaging: modification for measurement in a slowly moving tissue phantom. Ultrasound in Medicine and Biology. 29: 1725-1734.
  • Gilja, Odd Helge; Heimdal, Andreas; Hausken, Trygve; Gregersen, Hans; Matre, Knut; Berstad, Arnold; Ødegaard, Svein. 2002. Strain during gastric contractions can be measured using Doppler ultrasonography. Ultrasound in Medicine and Biology. 28: 1457-1465.
  • Gregersen, Hans; Gilja, Odd Helge; Hausken, Trygve; Heimdal, Andreas; Gao, Chunwen; Matre, Knut; Ødegaard, Svein; Berstad, Arnold. 2002. Mechanical properties in the human gastric antrum using B-mode ultrasonography and antral distension. American Journal of Physiology - Gastrointestinal and Liver Physiology. 283: G368-G375.
  • Hausken, Trygve; Mundt, Marco; Samson, Melvin. 2002. Low antroduodenal pressure gradients are responsible for gastric emptying of a low-caloric liquid meal in humans. Neurogastroenterology and Motility. 14: 97-105.
Book sections
  • Mjelde, Anders Batman; Hausken, Trygve; Karlsen, Tom Hemming; Havre, Roald Flesland; Gilja, Odd Helge; Vesterhus, Mette. 2015. Point shear wave elastography of the liver in primary sclerosing cholangitis. KAPITTEL, pages 136-137. In:
    • Nortvedt, Ragnar; Haldorsen, Ingfrid S.; Gilja, Odd Helge. 2015. Innovation in Imaging & Vizualization. The MedViz Conference 2015. Allkopi Forlag. 173 pages. ISBN: 978-82-998920-5-6.
  • Steinsvik, Elisabeth K.; Hausken, Trygve; Gilja, Odd Helge. 2015. Ultrasound findings in the Ultrasound Meal Accommodation Test. KAPITTEL, pages 86-88. In:
    • Nortvedt, Ragnar; Haldorsen, Ingfrid S.; Gilja, Odd Helge. 2015. Innovation in Imaging & Vizualization. The MedViz Conference 2015. Allkopi Forlag. 173 pages. ISBN: 978-82-998920-5-6.
  • Søvig, Karoline Kjellsdotter; Kotopoulis, Spiros; Nylund, Kim; Hausken, Trygve; Gilja, Odd Helge; Dimcevski, Georg Gjorgji. 2015. Volume estimation of the Gallbladder - 2D vs 3D Ultrasound. KAPITTEL, pages 91-92. In:
    • Nortvedt, Ragnar; Haldorsen, Ingfrid S.; Gilja, Odd Helge. 2015. Innovation in Imaging & Vizualization. The MedViz Conference 2015. Allkopi Forlag. 173 pages. ISBN: 978-82-998920-5-6.
  • Hausken, Trygve; Gilja, Odd Helge. 2014. Functional ultrasound of the gastrointestinal tract. Chapter in MEDICAL RADIOLOGY – Diagnostic Imaging, pages 233-242. In:
    • Maconi, G.; Bianchi Porro, G. 2014. Ultrasound of the Gastrointestinal Tract.2nd ed. Springer. ISBN: 978-3-642-31982-2.
  • Birkeland, Åsmund; Ulvang, Dag Magne; Nylund, Kim; Hausken, Trygve; Gilja, Odd Helge; Viola, Ivan. 2013. Doppler-based 3D Blood Flow Imaging and Visualization. Illustrative Graphics, pages 128-135. In:
    • Durikovic, Roman; Rushmeier, Holly. 2013. Proceedings of the Spring Conference on Computer Graphics (SCCG 2013). 168 pages. ISBN: 978-80-223-3377-1.
  • El-Salhy, Magdy; Gundersen, Doris Irene; Hatlebakk, Jan G; Hausken, Trygve. 2013. Diet and Irritable Bowel Syndrome, with a Focus on Appetite-Regulating Gut Hormones. Chapter 1, pages 5-17. In:
    • Watson, Ronald Ross. 2013. Nutrition in the Prevention and Treatment of Abdominal Obesity. Elsevier. 529 pages. ISBN: 978-0-12-407869-7.
  • Helljesen, Linn Emilie Sævil; Nylund, Kim; Hausken, Trygve; Dimcevski, Georg Gjorgji; Gilja, Odd Helge. 2013. Contrast-enhanced ultrasound of focal liver lesions is promising when CT examinations are indeterminate. KAPITTEL, pages 115-117. In:
    • Nortvedt, Ragnar; Gilja, Odd Helge. 2013. Abstract Book MedViz Conference 2013. 146 pages. ISBN: 978-82-998920-1-8.
  • Saevik, Fredrik; Nylund, Kim; Hausken, Trygve; Pfeffer, Frank; Gilja, Odd Helge. 2013. Perfusion differences and interobserver variation measured with CEUS in patients with Crohn’s disease with fibrosis and inflammation. KAPITTEL, pages 131-135. In:
    • Nortvedt, Ragnar; Gilja, Odd Helge. 2013. Abstract Book MedViz Conference 2013. 146 pages. ISBN: 978-82-998920-1-8.
  • Hausken, Trygve; Gilja, Odd Helge. 2006. Functional Ultrasound of the Gastrointestinal Tract. Kapittel 22, pages 182-189. In:
    • Maconi, G.; Bianchi Porro, G. 2006. Ultrasound of the Gastrointestinal Tract. Springer. 219 pages. ISBN: 3-540-25826-4.
  • Folvik, G; Hausken, Trygve. 2005. Hydrosonography of the Gastrointestinal Tract. Kapittel 12, pages 359-378. In:
    • Ødegaard, Svein; Gilja, Odd Helge; Gregersen, Hans. 2005. Basic and New Aspects of Gastrointestinal Ultrasonography. World Scientific. 502 pages. ISBN: 981-238-845-1.
  • Hausken, Trygve; Ødegaard, Svein. 2005. Gastric Emptying and Duodeno-gastric Reflux Assessed by Duplex Sonography. Kapittel 11, pages 337-358. In:
    • Ødegaard, Svein; Gilja, Odd Helge; Gregersen, Hans. 2005. Basic and New Aspects of Gastrointestinal Ultrasonography. World Scientific. 502 pages. ISBN: 981-238-845-1.

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