Arnold Berstad

Summary

Affiliation: Institute of Medicine
Country: Norway

Publications

  1. pmc Functional bowel symptoms, fibromyalgia and fatigue: a food-induced triad?
    Arnold Berstad
    Department of Medicine, Unger Vetlesen s Institute, Lovisenberg Diakonale Hospital, Oslo, 0440, Norway
    Scand J Gastroenterol 47:914-9. 2012
  2. doi request reprint Fecal fat determination with a modified titration method
    Arnold Berstad
    Institute of Medicine, University of Bergen, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 45:603-7. 2010
  3. doi request reprint Perceived food hypersensitivity: a review of 10 years of interdisciplinary research at a reference center
    Gulen Arslan Lied
    Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 46:1169-78. 2011
  4. doi request reprint Carbohydrate intolerance in patients with self-reported food hypersensitivity: comparison of lactulose and glucose
    Jørgen Valeur
    Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 44:1416-23. 2009
  5. doi request reprint Lifestyle of patients with self-reported food hypersensitivity differ little from controls
    Ragna Lind
    Institute of Medicine, University of Bergen, Bergen, Norway
    Gastroenterol Nurs 31:401-10. 2008
  6. pmc Short-term duodenal seal oil administration normalised n-6 to n-3 fatty acid ratio in rectal mucosa and ameliorated bodily pain in patients with inflammatory bowel disease
    Tormod Bjørkkjaer
    National Institute of Nutrition and Seafood Research NIFES, Bergen, Norway
    Lipids Health Dis 5:6. 2006
  7. ncbi request reprint Oral ferrous fumarate or intravenous iron sucrose for patients with inflammatory bowel disease
    Kari Erichsen
    Department of Medicine, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 40:1058-65. 2005
  8. ncbi request reprint Rapid initial gastric emptying and hypersensitivity to gastric filling in functional dyspepsia: effects of duodenal lipids
    Johan A Lunding
    Department of Gastroenterology, Institute of Medicine and National Centre of Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 41:1028-36. 2006
  9. doi request reprint Subjective health complaints and quality of life in patients with irritable bowel syndrome following Giardia lamblia infection: a case control study
    Mette H Morken
    Institute of Medicine, University of Bergen, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 44:308-13. 2009
  10. doi request reprint Do psychological factors predict symptom severity in patients with subjective food hypersensitivity?
    Ragna Lind
    Department of Medicine, Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 45:835-43. 2010

Detail Information

Publications36

  1. pmc Functional bowel symptoms, fibromyalgia and fatigue: a food-induced triad?
    Arnold Berstad
    Department of Medicine, Unger Vetlesen s Institute, Lovisenberg Diakonale Hospital, Oslo, 0440, Norway
    Scand J Gastroenterol 47:914-9. 2012
    ..Patients with perceived food hypersensitivity typically present with multiple health complaints. We aimed to assess the severity of their intestinal and extra-intestinal symptoms...
  2. doi request reprint Fecal fat determination with a modified titration method
    Arnold Berstad
    Institute of Medicine, University of Bergen, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 45:603-7. 2010
    ..The old titration method of van de Kamer is still the gold standard. We present a modification of the method, pointing out practical improvements and pitfalls...
  3. doi request reprint Perceived food hypersensitivity: a review of 10 years of interdisciplinary research at a reference center
    Gulen Arslan Lied
    Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 46:1169-78. 2011
    ..Hence, our results support the view that management of these patients should be interdisciplinary...
  4. doi request reprint Carbohydrate intolerance in patients with self-reported food hypersensitivity: comparison of lactulose and glucose
    Jørgen Valeur
    Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 44:1416-23. 2009
    ..We investigated symptom anticipation and microbial fermentation as possible mechanisms of carbohydrate intolerance in patients with self-reported food hypersensitivity...
  5. doi request reprint Lifestyle of patients with self-reported food hypersensitivity differ little from controls
    Ragna Lind
    Institute of Medicine, University of Bergen, Bergen, Norway
    Gastroenterol Nurs 31:401-10. 2008
    ..Such lifestyle would rather be expected to lessen symptoms, and we postulate that it is the consequence of their food intolerance and not its cause...
  6. pmc Short-term duodenal seal oil administration normalised n-6 to n-3 fatty acid ratio in rectal mucosa and ameliorated bodily pain in patients with inflammatory bowel disease
    Tormod Bjørkkjaer
    National Institute of Nutrition and Seafood Research NIFES, Bergen, Norway
    Lipids Health Dis 5:6. 2006
    ....
  7. ncbi request reprint Oral ferrous fumarate or intravenous iron sucrose for patients with inflammatory bowel disease
    Kari Erichsen
    Department of Medicine, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 40:1058-65. 2005
    ..The effects of oral ferrous fumarate and intravenous iron sucrose on clinical disease activity and plasma redox status were investigated in patients with inflammatory bowel disease (IBD)...
  8. ncbi request reprint Rapid initial gastric emptying and hypersensitivity to gastric filling in functional dyspepsia: effects of duodenal lipids
    Johan A Lunding
    Department of Gastroenterology, Institute of Medicine and National Centre of Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 41:1028-36. 2006
    ..In this study we investigated distension-induced responses to gastric filling with water in healthy volunteers and FD patients, using non-invasive ultrasonography...
  9. doi request reprint Subjective health complaints and quality of life in patients with irritable bowel syndrome following Giardia lamblia infection: a case control study
    Mette H Morken
    Institute of Medicine, University of Bergen, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 44:308-13. 2009
    ..The purpose of this study was to examine the comorbidity and quality of life of patients with IBS following infection with Giardia lamblia...
  10. doi request reprint Do psychological factors predict symptom severity in patients with subjective food hypersensitivity?
    Ragna Lind
    Department of Medicine, Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 45:835-43. 2010
    ..For the purpose, we translated and validated the Visceral Sensitivity Index (VSI)...
  11. doi request reprint Antibiotic or bacterial therapy in post-giardiasis irritable bowel syndrome
    Mette Helvik Morken
    Institute of Medicine, University of Bergen, Bergen, Norway
    Scand J Gastroenterol 44:1296-303. 2009
    ..High faecal excretion of fat and SCFAs suggests that intestinal malabsorption of fat and carbohydrates may play a role in the IBS-like complaints of these patients...
  12. ncbi request reprint Lactulose breath test results in patients with persistent abdominal symptoms following Giardia lamblia infection
    Mette H Morken
    Department of Nutrition and Department of Medicine, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 43:141-5. 2008
    ..The objective of this study was to investigate whether post-infectious IBS following Giardia lamblia infection is related to intestinal bacterial overgrowth, as diagnosed by the lactulose breath test (LBT)...
  13. ncbi request reprint Breathing exercises with vagal biofeedback may benefit patients with functional dyspepsia
    Ina E Hjelland
    Institute of Medicine, University of Bergen, Division of Gastroenterology, Medical Department, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 42:1054-62. 2007
    ..The aim of this study was to improve vagal tone, and thereby also drinking capacity, intragastric volume and quality of life, using breathing exercises with vagal biofeedback...
  14. ncbi request reprint Advanced imaging and visualization in gastrointestinal disorders
    Odd Helge Gilja
    National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen N 5021, Norway
    World J Gastroenterol 13:1408-21. 2007
    ..Development of multi-parametric and multi-modal imaging may increase diagnostic benefits and facilitate fusion of diagnostic and therapeutic imaging in the future...
  15. ncbi request reprint An acute stressor enhances sensitivity to a chemical irritant and increases 51CrEDTA permeability of the colon in adult rats
    Anne Marita Milde
    Department of Biological and Medical Psychology, University of Bergen, Norway
    Integr Physiol Behav Sci 40:35-44. 2005
    ....
  16. doi request reprint Anxiety and depression in patients with self-reported food hypersensitivity
    Kristine Lillestøl
    Institute of Medicine, University of Bergen, N 5021 Bergen, Norway
    Gen Hosp Psychiatry 32:42-8. 2010
    ..Self-reported food hypersensitivity (SFH) is common. Psychological factors are assumed to be associated. We assessed anxiety and depression in SFH patients, using both questionnaires and interview...
  17. doi request reprint Plasma glucagon-like peptide 1 and peptide YY levels are not altered in symptomatic fructose-sorbitol malabsorption
    Jørgen Valeur
    Institute of Medicine, Section for Gastroenterology, University of Bergen, Norway
    Scand J Gastroenterol 43:1212-8. 2008
    ..The purpose of this study was to investigate whether this could be explained by differences in ileal brake hormone secretion...
  18. ncbi request reprint Response to intestinal provocation monitored by transabdominal ultrasound in patients with food hypersensitivity
    Gulen Arslan
    Division of Gastroenterology, Institute of Medicine, Haukeland University Hospital, Bergen, Norway
    Scand J Gastroenterol 40:386-94. 2005
    ..The aim of this study was to investigate whether the intestinal response to direct provocation in patients with food hypersensitivity could be recognized by ultrasound...
  19. pmc Subjective food hypersensitivity: assessment of enterochromaffin cell markers in blood and gut lavage fluid
    Kine Gregersen
    Institute of Medicine, University of Bergen
    Int J Gen Med 4:555-60. 2011
    ..The aim of this study was to investigate enterochromaffin cell function in patients with subjective food hypersensitivity by measuring serum chromogranin A (CgA) and 5-hydroxytryptamine (5-HT, serotonin) in gut lavage fluid...
  20. pmc Food allergy alters jejunal circular muscle contractility and induces local inflammatory cytokine expression in a mouse model
    Jørgen Valeur
    Institute of Medicine, University of Bergen, Bergen, Norway
    BMC Gastroenterol 9:33. 2009
    ..We hypothesized that food allergy causes a state of non-specific jejunal dysmotility. This was tested in a mouse model...
  21. ncbi request reprint Food hypersensitivity-immunologic (peripheral) or cognitive (central) sensitisation?
    Arnold Berstad
    Division of Gastroenterology, Institute of Medicine, Haukeland University Hospital, 5021 Bergen, Norway
    Psychoneuroendocrinology 30:983-9. 2005
    ..Extensive activation of cognitive networks might be triggered by peripheral sensory mechanisms, often misinterpreted as 'food allergy'. Clearly, the approach to patients with food hypersensitivity should be interdisciplinary...
  22. ncbi request reprint Pressure-induced gastric accommodation studied with a new distension paradigm. Abnormally low accommodation rate in patients with functional dyspepsia
    Johan A Lunding
    Section for Gastroenterology, Haukeland University Hospital, Institute of Medicine and National Centre of Ultrasound in Gastroenterology, Bergen, Norway
    Scand J Gastroenterol 41:544-52. 2006
    ..The aim of this study was to investigate the applicability of this new paradigm in man, and to compare pressure-induced gastric accommodation in healthy volunteers (HV) and patients with functional dyspepsia (FD)...
  23. ncbi request reprint Food hypersensitivity reactions visualised by ultrasonography and magnetic resonance imaging in a patient lacking systemic food-specific IgE
    Gulen Arslan
    Institute of Medicine, University of Bergen, Norway
    Digestion 73:111-5. 2006
    ..Using ultrasonography and magnetic resonance imaging (MRI) we were able to visualise the intestinal response in one such case...
  24. ncbi request reprint Low-dose oral ferrous fumarate aggravated intestinal inflammation in rats with DSS-induced colitis
    Kari Erichsen
    Department of Medicine, Haukeland University Hospital, Bergen, Norway
    Inflamm Bowel Dis 11:744-8. 2005
    ..We studied the effects of low-dose oral ferrous fumarate on intestinal inflammation and plasma redox status in dextran sulfate sodium (DSS)-induced colitis in rats...
  25. ncbi request reprint Subjective health complaints and modern health worries in patients with subjective food hypersensitivity
    Ragna Lind
    Division of Gastroenterology, Institute of Internal Medicine, Haukeland University Hospital, University of Bergen, Bergen, Norway
    Dig Dis Sci 50:1245-51. 2005
    ....
  26. ncbi request reprint Subjective improvement in patients with psoriatic arthritis after short-term oral treatment with seal oil. A pilot study with double blind comparison to soy oil
    Tor Magne Madland
    Section for Rheumatology and Gastroenterology, Institute of Medicine, University of Bergen, Norway
    J Rheumatol 33:307-10. 2006
    ..To investigate effects of short-term oral treatment with seal oil in patients with psoriatic arthritis (PsA)...
  27. ncbi request reprint Patients with subjective food hypersensitivity: the value of analyzing intestinal permeability and inflammation markers in gut lavage fluid
    Gulen Arslan
    Division of Gastro enterology, Institute of Medicine, Haukeland University Hospital, Bergen, Norway
    Digestion 70:26-35. 2004
    ..Subjective food hypersensitivity is prevalent in the general population. The aim of this study was to seek objective evidence of food hypersensitivity by analyzing intestinal permeability and inflammation markers in gut lavage fluid...
  28. pmc Intestinal fermentation in patients with self-reported food hypersensitivity: painful, but protective?
    Jørgen Valeur
    Institute of Medicine, University of Bergen, Bergen, Norway
    Clin Exp Gastroenterol 3:65-70. 2010
    ..We performed a functional evaluation of the intestinal microflora in patients with unexplained, self-reported food hypersensitivity by measuring fecal short-chain fatty acids (SCFAs)...
  29. ncbi request reprint Intestinal gas in plain abdominal radiographs does not correlate with symptoms after lactulose challenge
    Mette Helvik Morken
    Department of Clinical Nutrition, Haukeland University Hospital, Bergen, Norway
    Eur J Gastroenterol Hepatol 19:589-93. 2007
    ..Using plain abdominal radiographs, we studied whether subjective complaints after a lactulose breath test would be quantitatively related to intestinal gas volumes...
  30. pmc Duodenal administered seal oil for patients with subjective food hypersensitivity: an explorative open pilot study
    Kine Gregersen
    Institute of Medicine, University of Bergen, Bergen, Norway
    Int J Gen Med 3:383-92. 2010
    ..The consistent improvements following seal oil administration warrant further placebo-controlled trials for confirmation of effect...
  31. ncbi request reprint Insulin-induced hypoglycemia stimulates gastric vagal activity and motor function without increasing cardiac vagal activity
    Ina Elen Hjelland
    Institute of Medicine, Haukeland University Hospital, NO 5021 Bergen, Norway
    Digestion 72:43-8. 2005
    ..We investigated whether increasing the efferent vagal activity by insulin-induced hypoglycemia would enhance gastric emptying and volumes in healthy subjects...
  32. pmc Effect of live Salmonella Ty21a in Dextran Sulfate Sodium-induced Colitis
    Gunnar Nysœter
    Department of Medicine, Section for Gastroenterology, Haukeland University Hospital, Bergen, Norway
    Drug Target Insights 2:221-8. 2007
    ..We hypothesised that an oral vaccine based on live Salmonella typhi would be well tolerated and could even attenuate dextran sulfate sodium (DSS) induced colitis in rats, an animal model of IBD...
  33. ncbi request reprint Ultrasonography and three-dimensional methods of the upper gastrointestinal tract
    Odd Helge Gilja
    National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
    Eur J Gastroenterol Hepatol 17:277-82. 2005
    ..Furthermore, ultrasonography has scientific applications; for example, strain rate imaging and three-dimensional ultrasound are advanced methods that allow highly specified and detailed examination of the tissue or organ of interest...
  34. ncbi request reprint Sucralfate protects blood clots from peptic digestion by gastric juice in vitro
    Gunnar Nysaeter
    Section for Gastroenterology, Department of Medicine and Institute of Medicine, Haukeland University Hospital, Bergen, Norway
    Digestion 73:198-203. 2006
    ..To test in vitro the ability of sucralfate to protect a blood clot from peptic digestion by gastric juice...
  35. pmc Neurological features and enzyme therapy in patients with endocrine and exocrine pancreas dysfunction due to CEL mutations
    Mette Vesterhus
    Department of Clinical Medicine, University of Bergen, Bergen, Norway
    Diabetes Care 31:1738-40. 2008
    ..To further define clinical features associated with the syndrome of diabetes and pancreatic exocrine dysfunction due to mutations in the carboxyl-ester lipase (CEL) gene and to assess the effects of pancreatic enzyme substitution therapy...
  36. ncbi request reprint Quality of life in patients with subjective food hypersensitivity: applicability of the 10-item short form of the Nepean Dyspepsia Index
    Gulen Arslan
    Division of Gastroenterology, Institute of Medicine, Haukeland University Hospital, Bergen, Norway
    Dig Dis Sci 49:680-7. 2004
    ..Patients with subjective food hypersensitivity have considerably reduced quality of life. The SF-NDI provides reliable, responsive, and clinically valid measures of quality of life in these patients...