Publications
Academic article
- Mattis Bekkelund; Elisabeth Kjelsvik Steinsvik; Jørgen Valeur et al. (2025). Key variables associated with gastroparesis in diabetes patients with gastroparesis-like symptoms. (external link)
- Tonje Teigland; Marjolein M. Iversen; Dag André Sangnes et al. (2018). A longitudinal study on patients with diabetes and symptoms of gastroparesis – associations with impaired quality of life and increased depressive and anxiety symptoms.. (external link)
- Dag André Sangnes; Eirik Wigtil Søfteland; Mattis Bekkelund et al. (2019). Wireless motility capsule compared with scintigraphy in the assessment of diabetic gastroparesis. (external link)
- Tarek Mazzawi; Trygve Hausken; Johannes Espolin Roksund Hov et al. (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. (external link)
- Mattis Bekkelund; Dag André Sangnes; Eirik Wigtil Søfteland et al. (2021). Gastroparesis symptoms associated with intestinal hypomotility: An explorative study using wireless motility capsule. (external link)
- Dag André Sangnes; Elisabeth Sandvik Bergmann; Rose Marie Moss et al. (2021). Pancreatic exocrine insufficiency in diabetes is associated with autonomic dysfunction. (external link)
- Dag André Sangnes; Georg Gjorgji Dimcevski; Jakub Jerzy Frey et al. (2021). Diabetic diarrhoea: a study on gastrointestinal motility, pH levels and autonomic function. (external link)
- Ingrid Kvåle Nordaas; Trond Engjom; Odd Helge Gilja et al. (2021). Diagnostic Accuracy of Transabdominal Ultrasound and Computed Tomography in Chronic Pancreatitis: A Head-to-Head Comparison. (external link)
- Tarek Mazzawi; Gülen Arslan Lied; Dag André Sangnes et al. (2018). The kinetics of gut microbial community composition in patients with irritable bowel syndrome following fecal microbiota transplantation. (external link)
- Elisabeth Kjelsvik Steinsvik; Dag A. Sangnes; Eirik Wigtil Søfteland et al. (2021). Gastric function in diabetic gastroparesis assessed by ultrasound and scintigraphy. (external link)
- Hilde Løland Von Volkmann; Ingeborg Brønstad; Odd Helge Gilja et al. (2017). Prolonged intestinal transit and diarrhea in patients with an activating GUCY2C mutation. (external link)
- Dag A. Sangnes; Katarina Lundervold; Mattis Bekkelund et al. (2021). Gastrointestinal transit and contractility in diabetic constipation: A wireless motility capsule study on diabetes patients and healthy controls. (external link)
- Trond Engjom; Dag André Sangnes; Roald Flesland Havre et al. (2017). Diagnostic accuracy of transabdominal ultrasound in chronic pancreatitis. (external link)
- Dag André Sangnes; Eirik Wigtil Søfteland; Tonje Teigland et al. (2019). Comparing radiopaque markers and 13C-labelled breath test in diabetic gastroparesis diagnostics. (external link)
Academic literature review
- Dag André Sangnes; Eirik Søfteland; Martin Biermann et al. (2016). Gastroparese - årsaker, diagnostikk og behandling. (external link)
- Sondre V. Meling; Davide Bertoli; Dag André Sangnes et al. (2021). Diabetic Gastroenteropathy, Soothe the Symptoms or Unravel a Cure?. (external link)
- Mattis Bekkelund; Dag André Sangnes; Jan Gunnar Hatlebakk et al. (2019). Pathophysiology of idiopathic gastroparesis and implications for therapy. (external link)
Conference lecture
- Mattis Bekkelund; Dag André Sangnes; Elisabeth Kjelsvik Steinsvik et al. (2025). Autonom nevropati hos pasienter med diabetes og symptomer på gastroenteropati. (external link)
- Mattis Bekkelund; Elisabeth Kjelsvik Steinsvik; Jørgen Valeur et al. (2025). Kliniske karakteristika ved diabetisk gastroparese. (external link)
- Dag André Sangnes; Trond Engjom; Kristian Løvaas et al. (2023). Epidemiologi og patofysiologi ved diabetisk diaré (DIAREPA). (external link)
- Tarek Mazzawi; Trygve Hausken; Johannes Espolin Roksund Hov et al. (2019). Effect of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
Conference poster
- Tonje Teigland; Marjolein M. Iversen; Dag André Sangnes et al. (2016). A Follow-up Study of Patients with Diabetes and Symptoms of Gastroparesis – Associations with Impaired Quality of Life and Increased Depressive and Anxiety Symptoms. (external link)
- Tarek Mazzawi; Gülen Arslan Lied; Johannes Espolin Roksund Hov et al. (2018). Effects of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
- Tarek Mazzawi; Gülen Arslan Lied; Johannes Espolin Roksund Hov et al. (2018). Correlations between gut microenvironment and symptoms in patients with diarrhea-predominant irritable bowel syndrome. (external link)
Conference abstract
- Tarek Mazzawi; Gülen Arslan Lied; Johannes Espolin Roksund Hov et al. (2018). Effects of faecal microbiota transplantation on gut microenvironment and symptoms in patients with irritable bowel syndrome. (external link)
- Mattis Bekkelund; Dag André Sangnes; Elisabeth Kjelsvik Steinsvik et al. (2025). Autonom nevropati hos pasienter med diabetes og symptomer på gastroenteropati. (external link)
- Trygve Hausken; Tarek Mazzawi; Gülen Arslan Lied et al. (2017). Effect of faecal microbiota transplantation on the symptoms and gut microbiota in patients with irritable bowel syndrome (IBS). (external link)