Blar i Bergen Open Research Archive på forfatter "Gundersen, Doris"
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Changes in the symptom pattern and the densities of large-intestinal endocrine cells following Campylobacter infection in irritable bowel syndrome: a case report
El-Salhy, Magdy; Mazzawi, Tarek; Gundersen, Doris; Hatlebakk, Jan Gunnar; Hausken, Trygve (Peer reviewed; Journal article, 2013-09-29)Background Irritable bowel syndrome (IBS) is a common chronic functional gastrointestinal disorder. Post-infectious IBS (PI-IBS) is a subset of IBS that accounts for a large proportion of IBS patients. The PI-IBS symptoms ... -
Chromogranin A Cell Density as a Diagnostic Marker for Lymphocytic Colitis
El-Salhy, Magdy; Gundersen, Doris; Hatlebakk, Jan Gunnar; Hausken, Trygve (Peer reviewed; Journal article, 2012-06-15)Background: Lymphocytic colitis (LC) can be mistakenly diagnosed as irritable bowel syndrome (IBS). In a previous study on IBS, some patients showed extremely high colonic chromogranin A cell density. Further examination ... -
Effect of dietary management on the gastric endocrine cells in patients with irritable bowel syndrome
Mazzawi, Tarek; Hausken, Trygve; Gundersen, Doris; El-Salhy, Magdy (Peer reviewed; Journal article, 2014-08-06)Background/objectives: The gastric endocrine cells in patients with irritable bowel syndrome (IBS) tend to normalize following dietary guidance. The aim of the present study was to identify the gastric endocrine cell types ... -
Increased gastric chromogranin A cell density following changes to diets of patients with irritable bowel syndrome
Mazzawi, Tarek; Gundersen, Doris; Hausken, Trygve; El-Salhy, Magdy (Peer reviewed; Journal article, 2014-11)The gut endocrine cells control and regulate several functions of the gastrointestinal tract. They have been reported to be abnormal in irritable bowel syndrome (IBS), with alterations occurring in several functions regulated ... -
Low Densities of Serotonin and Peptide YY Cells in the Colon of Patients with Irritable Bowel Syndrome
El-Salhy, Magdy; Gundersen, Doris; Østgaard, Hege; Lomholt-Beck, B.; Hatlebakk, Jan Gunnar; Hausken, Trygve (Peer reviewed; Journal article, 2011-11-05)Background The gut hormones are important in regulating gastrointestinal motility. Disturbances in gastrointestinal motility have been reported in patients with irritable bowel syndrome (IBS). Reduced endocrine cell density, ... -
Neurofeedback for the treatment of children and adolescents with ADHD: a randomized and controlled clinical trial using parental reports
Duric, Nezla Sehovic; Assmus, Jørg; Gundersen, Doris; Elgen, Irene Bircow (Peer reviewed; Journal article, 2012-08-10)Background: A randomized and controlled clinical study was performed to evaluate the use of neurofeedback (NF) to treat attention-deficit/hyperactivity disorder (ADHD) in children and adolescents. Methods: The ADHD population ...