Browsing SIHF Open Archive by Author "Farup, Per Grønaas"
Now showing items 1-20 of 25
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Anti-Saccharomyces cerevisae antibodies (ASCA) are associated with body fat mass and systemic inflammation, but not with dietary yeast consumption: a cross-sectional study
Kvehaugen, Anne Stine; Aasbrenn, Martin; Farup, Per Grønaas (Peer reviewed; Journal article, 2017)Baker’s/brewer’s yeast, Saccharomyces cerevisiae, has been used as an alternative to antibiotic growth promoters to improve growth performance in animals. In humans, Saccharomyces cerevisiae is among the most commonly ... -
APOE Polymorphism Is Associated with Changes in the Kynurenine Pathway
Farup, Per Grønaas; Rootwelt, Helge; Hestad, Knut (Peer reviewed; Journal article, 2023)Abstract: Background: APOE polymorphism and the Kynurenine pathway (KP) are associated with many disorders, but little is known about associations between APOE polymorphism and the KP. This study explored the associations ... -
APOE – a genetic marker of comorbidity in subjects with morbid obesity
Farup, Per Grønaas; Rootwelt, Helge; Hestad, Knut (Peer reviewed; Journal article, 2020)Background: In population-based studies, the genetic variability of the APOE E alleles have been associated with health outcomes. Health problems are common in subjects with obesity. This study explored associations between ... -
Are Nonnutritive Sweeteners Obesogenic? Associations between Diet, Faecal Microbiota, and Short-Chain Fatty Acids in Morbidly Obese Subjects
Farup, Per Grønaas; Lydersen, Stian; Valeur, Jørgen (Peer reviewed; Journal article, 2019)Obesity has been associated with changes in the gut microbiota and its metabolites. The study explored changes in the faecal microbiota and short-chain fatty acids (SCFA) associated with the diet (including nonnutritive ... -
Changes in C-reactive protein, neopterin and lactoferrin differ after conservative and surgical weight loss in individuals with morbid obesity
Aasbrenn, Martin; Farup, Per Grønaas; Videm, Vibeke (Journal article; Peer reviewed, 2019)Abstract C-reactive protein, neopterin and lactoferrin are biomarkers of atherosclerotic disease. We aimed to assess changes in these biomarkers after conservative and surgical weight loss interventions in individuals ... -
Changes in gastrointestinal symptoms and food tolerance 6 months following weight loss surgery: associations with dietary changes, weight loss and the surgical procedure.
Kvehaugen, Anne Stine; Farup, Per Grønaas (Journal article; Peer reviewed, 2018)BACKGROUND: Gastrointestinal (GI) co-morbidity is common in obese patients, but the effect of weight loss surgery on GI symptoms is incompletely elucidated. The aims of the present study were to explore changes in GI ... -
Circulating Lipoproteins in Subjects with Morbid Obesity Undergoing Bariatric Surgery with Gastric Bypass or Sleeve Gastrectomy
Aaseth, Jan; Rootwelt, Helge; Retterstøl, Kjetil; Hestad, Knut; Farup, Per Grønaas (Peer reviewed; Journal article, 2022)The efficacy of various bariatric procedures on the mitigation of the obese dyslipidemia remains debated, and the impact of these measures on lipoprotein(a) (Lp(a)) levels is unknown. In this study we aimed to compare the ... -
Cognitive Functions and Depression in Patients with Irritable Bowel Syndrome
Farup, Per Grønaas; Hestad, Knut (Journal article; Peer reviewed, 2015)Background. Irritable bowel syndrome (IBS) is associated with depression and depression with impaired cognitive functions. The primary aim was to study associations between depression and cognitive functions in patients ... -
A conservative weight loss intervention relieves bowel symptoms in morbidly obese subjects with irritable bowel syndrome: a prospective cohort study
Aasbrenn, Martin; Lydersen, Stian; Farup, Per Grønaas (Peer reviewed; Journal article, 2018)Background: Irritable bowel syndrome (IBS) is common in subjects with morbid obesity; the effect of weight loss programs on bowel symptoms is largely unknown. Methods: This prospective cohort study explored bowel ... -
Diet in subjects with irritable bowel syndrome: A cross-sectional study in the general population
Ligaarden, Solveig Catharina; Lydersen, Stian; Farup, Per Grønaas (Journal article; Peer reviewed, 2012)Abstract BACKGROUND: Patients with irritable bowel syndrome (IBS) often relate symptoms to the intake of certain foods. This study assesses differences in diet in subjects with and without IBS. METHODS: The ... -
Do changes in persistent organic pollutants after bariatric surgery cause endocrine disruption?
Jansen, Aina; Aaseth, Jan Olav; Lyche, Jan Ludvig; Berg, Jens Petter; Müller, Mette Helen Bjørge; Lydersen, Stian; Farup, Per Grønaas (Peer reviewed; Journal article, 2022)Background Bariatric surgery results in weight loss, marked endocrine changes and the release of persistent organic pollutants (POPs). The release of POPs might cause endocrine disruption. The study aimed to explore ... -
Drugs and Constipation in Elderly in Nursing Homes: What Is the Relation?
Fosnes, Gunvor Steine; Lydersen, Stian; Farup, Per Grønaas (Journal article; Peer reviewed, 2012)Abstract INTRODUCTION: Constipation is a common adverse drug reaction. OBJECTIVE: Study associations between drugs and constipation in nursing home residents. DESIGN: Cross-sectional study. MATERIAL AND ... -
Effectiveness of laxatives in elderly - a cross sectional study in nursing homes
Fosnes, Gunvor Steine; Lydersen, Stian; Farup, Per Grønaas (Journal article; Peer reviewed, 2011)BACKGROUND: Laxatives are efficient drugs, but the effectiveness has been questioned. In nursing homes, the prevalence of constipation is high and laxatives are commonly used drugs. The aims of the study were to assess ... -
Effects of a fall prevention program in elderly: A pragmatic observational study in two orthopedic departments
Røyset, Bodil; Talseth-Palmer, Bente Anita; Lydersen, Stian; Farup, Per Grønaas (Journal article; Peer reviewed, 2019)Purpose: Falls are a common adverse event experienced by elderly in hospitals. This study assessed the effects of a fall prevention program on the rate of fallers, the patient safety culture, and patient-perceived ... -
Functional Bowel Disorders Are Associated with a Central Immune Activation
Farup, Per Grønaas; Ueland, Thor; Rudi, Knut; Lydersen, Stian; Hestad, Knut (Journal article; Peer reviewed, 2017)Background. Subjects with depression and unexplained neurological symptoms have a high prevalence of gastrointestinal comorbidity probably related to the brain-gut communication. This study explored associations between ... -
IgG and IgG4 antibodies in subjects with irritable bowel syndrome: a case control study in the general population
Ligaarden, Solveig Catharina; Lydersen, Stian; Farup, Per Grønaas (Peer reviewed; Journal article, 2012)Abstract BACKGROUND: Patients with Irritable Bowel Syndrome (IBS) often relate their symptoms to the intake of food and modify their diet. IgE-mediated food allergy is uncommon in IBS, but the role of IgG-mediated food ... -
Intake of non-nutritive sweeteners is associated with an unhealthy lifestyle: a cross-sectional study in subjects with morbid obesity
Winther, Robert; Aasbrenn, Martin; Farup, Per Grønaas (Peer reviewed; Journal article, 2017)Background: Subjects with morbid obesity commonly use Non-Nutritive Sweeteners (NNS), but the health-related effects of NNS have been questioned. The objectives of this study were to explore the associations between the ... -
Irritable bowel syndrome-like symptoms and health related quality of life two years after Roux-en-Y gastric bypass - a prospective cohort study
Blom-Høgestøl, Ingvild Kristine; Aasbrenn, Martin; Chahal-Kummen, Monica; Brunborg, Cathrine; Eribe, Inger; Kristinsson, Jon Adalsteinn; Farup, Per Grønaas; Mala, Tom (Peer reviewed; Journal article, 2019)BACKGROUND: Irritable bowel syndrome (IBS) is prevalent in patients with morbid obesity. After Roux-en-Y gastric bypass (RYGB) chronic abdominal pain is common, however the etiology is largely unknown. We aimed to study ... -
Is perceived intolerance to milk and wheat associated with the corresponding IgG and IgA food antibodies? A cross sectional study in subjects with morbid obesity and gastrointestinal symptoms
Kvehaugen, Anne Stine; Tveiten, Dag; Farup, Per Grønaas (Peer reviewed; Journal article, 2018)Background: Serum IgG and IgA food antibodies have been used for dietary advice to subjects with gastrointestinal symptoms and perceived food intolerance, but the role of these antibodies in mediating intolerance is ... -
Prevalence and predictors of irritable bowel syndrome in patients with morbid obesity: a cross-sectional study
Aasbrenn, Martin; Høgestøl, Ingvild Kristine; Eribe, Inger; Kristinsson, Jon Adalsteinn; Lydersen, Stian; Mala, Tom; Farup, Per Grønaas (Journal article; Peer reviewed, 2017)Background Irritable bowel syndrome has been reported as more common in patients with morbid obesity than in the general population. The reason for this association is unknown. The aims of this study were to study the ...