• Changes in fecal short-chain fatty acids following fecal microbiota transplantation in patients with irritable bowel syndrome 

      El-Salhy, Magdy; Valeur, Jørgen; Hausken, Trygve; Hatlebakk, Jan Gunnar (Journal article; Peer reviewed, 2020)
      Background Short‐chain fatty acids (SCFAs) may play a role in the pathophysiology of irritable bowel syndrome (IBS). This study analyzed fecal SCFAs after performing fecal microbiota transplantation (FMT) in the IBS ...
    • Current status of fecal microbiota transplantation for irritable bowel syndrome 

      El-Salhy, Magdy; Hausken, Trygve; Hatlebakk, Jan Gunnar (Journal article; Peer reviewed, 2021)
      Background Irritable bowel syndrome (IBS) is a common gastrointestinal functional disorder. Although IBS is a benign condition, it reduces the quality of life considerably. While there is currently no effective treatment ...
    • Factors affecting the outcome of fecal microbiota transplantation for patients with irritable bowel syndrome 

      El-Salhy, Magdhy; Gilja, Odd Helge; Hatlebakk, Jan Gunnar (Journal article; Peer reviewed, 2023)
      Background A previous study that introduced a Fecal microbiota transplantation (FMT) protocol with a high efficacy applied a combination of favorable factors. Aims The present study aimed to evaluate some of these ...
    • Fecal bacteria and short-chain fatty acids in irritable bowel syndrome: relations to subtype 

      Teige, Erica Sande; Hillestad, Eline; Steinsvik, Elisabeth Kjelsvik; Brønstad, Ingeborg; Lundervold, Arvid; Lundervold, Astri J.; Valeur, Jørgen; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lied, Gülen Arslan (Journal article; Peer reviewed, 2024)
      Background: The relationship between gut microbiota and irritable bowel syndrome (IBS) subtype is unclear. We aimed to explore whether differences in fecal bacteria composition and short-chain fatty acid (SCFA) levels were ...
    • Gastric function in diabetic gastroparesis assessed by ultrasound and scintigraphy 

      Steinsvik, Elisabeth Kjelsvik; Sangnes, Dag A.; Søfteland, Eirik; Biermann, Martin; Assmus, Jörg; Dimcevski, Georg Gjorgji; Gilja, Odd Helge; Hausken, Trygve (Journal article; Peer reviewed, 2021)
      Background: Gastroparesis is a severe diabetes complication characterized by delayed gastric emptying. We examined patients with symptoms of diabetic gastroparesis using gastric emptying scintigraphy and ultrasound drink ...
    • Intestinal bacteria associated with irritable bowel syndrome and chronic fatigue 

      El-Salhy, Magdhy (Journal article; Peer reviewed, 2023)
      The etiology of irritable bowel syndrome (IBS) is unknown. Abnormal intestinal bacterial profiles and low bacterial diversity appear to play important roles in the pathophysiology of IBS. This narrative review was designed ...
    • Irritable bowel syndrome patients who are not likely to respond to fecal microbiota transplantation 

      El-Salhy, Magdy; Mazzawi, Tarek; Hausken, Trygve; Hatlebakk, Jan Gunnar (Journal article; Peer reviewed, 2022)
      Background Fecal microbiota transplantation (FMT) interventions have recently been advocated to not succeed in every irritable bowel syndrome (IBS) patient, since the outcome of FMT varies with the IBS subset. This study ...
    • Long-term effects of fecal microbiota transplantation (FMT) in patients with irritable bowel syndrome 

      El-Salhy, Magdy; Bråthen Kristoffersen, Anja; Valeur, Jørgen; Casén, Christina; Hatlebakk, Jan Gunnar; Gilja, Odd Helge; Hausken, Trygve (Journal article; Peer reviewed, 2021)
      Background We recently found fecal microbiota transplantation (FMT) in irritable bowel syndrome (IBS) patients to be an effective and safe treatment after 3 months. The present follow-up study investigated the efficacy ...
    • Navigated retrograde endoscopic myotomy (REM) for the treatment of therapy-resistant achalasia 

      Pham, Khanh Do-Cong; Havre, Roald Flesland; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Mårvik, Ronald; Pham, T.; Gilja, Odd Helge; Hatlebakk, Jan Gunnar; Viste, Asgaut (Peer reviewed; Journal article, 2018-04)
      Background In achalasia, muscle spasm may involve the proximal esophagus. When the muscle spasm is located in the proximal esophagus, conventional per oral endoscopic myotomy (POEM) may not be sufficient to relieve symptoms. ...
    • Nutritional safety and status following a 12-week strict low FODMAP diet in patients with irritable bowel syndrome 

      Randulff Hillestad, Eline Margrethe; Steinsvik, Elisabeth Kjelsvik; Teige, Erica Sande; Rasmussen, Stella Hellgren; Brønstad, Ingeborg; Lundervold, Arvid; Hausken, Trygve; Hanevik, Kurt; Lied, Gülen Arslan; Jacobsen, Birgitte Berentsen (Journal article; Peer reviewed, 2024)
      Background: A low FODMAP diet (LFD) is an established dietary treatment for patients with irritable bowel syndrome (IBS). However, knowledge on the extended effects of the restriction phase regarding nutrient intake, symptom ...
    • Wireless motility capsule compared with scintigraphy in the assessment of diabetic gastroparesis 

      Sangnes, Dag André; Søfteland, Eirik; Bekkelund, Mattis; Frey, Jakub; Biermann, Martin; Gilja, Odd Helge; Dimcevski, Georg Gjorgji (Peer reviewed; Journal article, 2019-12-30)
      Background: Gastroparesis is a potentially severe late complication of diabetes mellitus. Today, delayed gastric emptying (GE) is mandatory for establishing the diagnosis. In this study, we compared wireless motility capsule ...