Browsing Bergen Open Research Archive by Author "Steinsvik, Elisabeth Kjelsvik"
Now showing items 1-10 of 10
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Assessment of Self-Reported Executive Function in Patients with Irritable Bowel Syndrome Using a Machine-Learning Framework
Lundervold, Astri J.; Randulff Hillestad, Eline Margrethe; Lied, Gülen Arslan; Billing, Julie Eirin; Johnsen, Tina Emilie; Steinsvik, Elisabeth Kjelsvik; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lundervold, Arvid (Journal article; Peer reviewed, 2023)Introduction: Irritable bowel syndrome (IBS) is characterized as a disorder of the gut–brain interaction (DGBI). Here, we explored the presence of problems related to executive function (EF) in patients with IBS and tested ... -
Association between gastrointestinal complaints and psychopathology in patients with anorexia nervosa
Kessler, Ute; Rekkedal, Guro; Rø, Øyvind; Berentsen, Birgitte; Steinsvik, Elisabeth Kjelsvik; Lied, Gülen Arslan; Danielsen, Yngvild Sørebø (Journal article; Peer reviewed, 2020)Objective Gastrointestinal (GI) symptoms appear frequently in patients with anorexia nervosa (AN), but the associations between psychopathological, GI, and eating disorder (ED) symptoms remain unclear. This study aimed ... -
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 dysmotility and visceral hypersensitivity – an ultrasound approach to functional GI disorders and diabetic gastroparesis
Steinsvik, Elisabeth Kjelsvik (Doctoral thesis, 2021-09-24)Background: Functional dyspepsia (FD), irritable bowel syndrome (IBS) and diabetic gastroparesis (DG) are conditions with overlapping symptoms and motility characteristics. The objective of this dissertation was to investigate ... -
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 ... -
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 ... -
Postprandial Symptoms in Patients With Functional Dyspepsia and Irritable Bowel Syndrome: Relations to Ultrasound Measurements and Psychological Factors
Steinsvik, Elisabeth Kjelsvik; Valeur, Jørgen; Hausken, Trygve; Gilja, Odd Helge (Journal article; Peer reviewed, 2020)Background/Aims Dyspeptic symptoms are common in patients with functional gastrointestinal (GI) disorders, and may be related to visceral hypersensitivity. We aim to explore the relation between visceral hypersensitivity ... -
A psychological symptom based machine learning model for clinical evaluation of irritable bowel syndrome
Haleem, Noman; Lundervold, Astri J.; Lied, Gülen Arslan; Randulff Hillestad, Eline Margrethe; Bjorkevoll, Maja; Bjørsvik, Ben René; Teige, Erica; Brønstad, Ingeborg; Steinsvik, Elisabeth Kjelsvik; Nagaraja, Bharath Halandur; Hausken, Trygve; Jacobsen, Birgitte Berentsen; Lundervold, Arvid (Journal article; Peer reviewed, 2023)Background: Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disorder characterized by recurrent abdominal pain associated with alterations in stool form and/or stool frequency. Co-morbidities such ... -
Study protocol of the Bergen brain-gut-microbiota-axis study: A prospective case-report characterization and dietary intervention study to evaluate the effects of microbiota alterations on cognition and anatomical and functional brain connectivity in patients with irritable bowel syndrome
Berentsen, Birgitte; Nagaraja, Bharath Halandur; Teige, Erica Persson; Lied, Gülen Arslan; Lundervold, Astri; Lundervold, Katarina; Steinsvik, Elisabeth Kjelsvik; Hillestad, Eline Margrete Randulff; Valeur, Jørgen; Brønstad, Ingeborg; Gilja, Odd Helge; Osnes, Berge; Hatlebakk, Jan Gunnar; Haász, Judit; Labus, Jennifer; Gupta, Arpana; Mayer, Emeran; Benitez-Páez, Alfonso; Sanz, Yolanda; Lundervold, Arvid; Hausken, Trygve (Journal article; Peer reviewed, 2020-09)Introduction: Irritable bowel syndrome (IBS) is a common clinical label for medically unexplained gastrointestinal (GI) symptoms, recently described as a disturbance of the brain-gut-microbiota (BGM) axis. To gain a ... -
Ultrasound imaging for assessing functions of the GI tract
Steinsvik, Elisabeth Kjelsvik; Hatlebakk, Jan Gunnar; Hausken, Trygve; Nylund, Kim; Gilja, Odd Helge (Journal article; Peer reviewed, 2021)Objective: In the following review we outline how ultrasound can be used to measure physiological processes in the gastrointestinal tract. Approach: We have investigated the potential of ultrasound in assessing ...