Svein O. Frigstad

Gjettum, 1346, Norway

Last Updated: 09/26/2026

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Found 38 publications

Anxiety and depression in newly diagnosed patients with inflammatory bowel disease (the IBSEN III study) compared with the general population in Norway.

Anxiety and depression in newly diagnosed patients with inflammatory bowel disease (the IBSEN III study) compared with the general population in Norway.

Journal: Journal of Crohn's & colitis

Published: March 13, 2026

Bacterial clusters are associated with the risk of severe disease progression in inflammatory bowel disease irrespective of conventional disease categories.

Bacterial clusters are associated with the risk of severe disease progression in inflammatory bowel disease irrespective of conventional disease categories.

Journal: Microbiome research reports

Published: November 10, 2025

Disentangling the gut microbiome and inflammation in inflammatory bowel diseases: longitudinal observations from the IBSEN III study.

Disentangling the gut microbiome and inflammation in inflammatory bowel diseases: longitudinal observations from the IBSEN III study.

Journal: Inflammatory bowel diseases

Published: October 29, 2025

Environmental impact of computer-aided diagnosis in colonoscopy: a carbon footprint assessment of a prospective study cohort.

Environmental impact of computer-aided diagnosis in colonoscopy: a carbon footprint assessment of a prospective study cohort.

Journal: Endoscopy

Published: October 07, 2025

Fatigue Trajectory During the First Year of an Inflammatory Bowel Disease Diagnosis, Results from the IBSEN III study.

Fatigue Trajectory During the First Year of an Inflammatory Bowel Disease Diagnosis, Results from the IBSEN III study.

Journal: Digestive diseases and sciences

Published: September 08, 2025

Colorectal ESD in a nordic community hospital: learning curves and clinical outcomes.

Colorectal ESD in a nordic community hospital: learning curves and clinical outcomes.

Journal: Scandinavian journal of gastroenterology

Published: August 30, 2025

Predicting severe inflammatory bowel disease: a risk matrix model based on the IBSEN III inception cohort.

Predicting severe inflammatory bowel disease: a risk matrix model based on the IBSEN III inception cohort.

Journal: Scandinavian journal of gastroenterology

Published: June 08, 2025

Iron deficiency should not be accepted in patients with inflammatory bowel disease - a Scandinavian expert opinion.

Iron deficiency should not be accepted in patients with inflammatory bowel disease - a Scandinavian expert opinion.

Journal: Scandinavian journal of gastroenterology

Published: April 09, 2025

Correction: Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study.

Correction: Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study.

Journal: Endoscopy

Published: February 28, 2025

Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study.

Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study.

Journal: Endoscopy

Published: February 25, 2025

Habitual intake of macronutrients and fermentable oligo-, di-, monosaccharides and polyols is not associated with irritable bowel syndrome-like symptoms in inflammatory bowel disease.

Habitual intake of macronutrients and fermentable oligo-, di-, monosaccharides and polyols is not associated with irritable bowel syndrome-like symptoms in inflammatory bowel disease.

Journal: Clinical nutrition ESPEN

Published: December 04, 2024

Prevalence of Irritable Bowel Syndrome Based on Rome IV Criteria in Patients in Biochemical and Endoscopic Remission From Newly Diagnosed Inflammatory Bowel Disease: One- and Three-Year Results (the IBSEN III Cohort).

Prevalence of Irritable Bowel Syndrome Based on Rome IV Criteria in Patients in Biochemical and Endoscopic Remission From Newly Diagnosed Inflammatory Bowel Disease: One- and Three-Year Results (the IBSEN III Cohort).

Journal: Inflammatory bowel diseases

Published: November 14, 2024

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Last Updated: 09/26/2026