Browsing SIHF Open Archive by Author "Lydersen, Stian"
Now showing items 1-13 of 13
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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 ... -
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 ... -
Effect of Age and Level of Education on Neurocognitive Impairment in HIV Positive Zambian Adults
Kabuba, Norma Namasiku Zewelanji; Menon, Anitha; Franklin, Donald R.; Lydersen, Stian; Heaton, Robert K.; Hestad, Knut (Peer reviewed; Journal article, 2018)Objective: Older age and lower education levels are known to be associated with worse neurocognitive (NC) performance in healthy adults, and individuals with HIV infection may experience accelerated brain/cognition aging. ... -
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 ... -
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 ... -
Temporal changes in personal activity intelligence and the risk of incident dementia and dementia related mortality: A prospective cohort study (HUNT)
Tari, Atefe R; Selbæk, Geir; Franklin, Barry A.; Bergh, Sverre; Skjellegrind, Håvard; Sallis, Robert E.; Bosnes, Ingunn; Stordal, Eystein; Ziaei, Maryam; Lydersen, Stian; Kobro-Flatmoen, Asgeir; Huuha, Aleksi Matias; Nauman, Javaid; Wisløff, Ulrik (Peer reviewed; Journal article, 2022)Background: The Personal Activity Intelligence (PAI) translates heart rate during daily activity into a weekly score. Obtaining a weekly PAI score ≥100 is associated with reduced risk of premature morbidity and mortality ... -
Visual-Constructional Ability in Individuals with Severe Obesity: Rey Complex Figure Test Accuracy and the Q-Score
Sargenius, Hanna; Bylsma, Frederick; Lydersen, Stian; Hestad, Knut (Journal article; Peer reviewed, 2017)The aims of this study were to investigate visual-construction and organizational strategy among individuals with severe obesity, as measured by the Rey Complex Figure Test (RCFT), and to examine the validity of the Q-score ...