Bjarni Thjodleifsson

Summary

Affiliation: Landspitali University Hospital
Country: Iceland

Publications

  1. ncbi request reprint Treatment of acid-related diseases in the elderly with emphasis on the use of proton pump inhibitors
    Bjarni Thjodleifsson
    Department of Medicine, University Hospital, Reykjavik, Iceland
    Drugs Aging 19:911-27. 2002
  2. ncbi request reprint A randomized, double-blind trial of the efficacy and safety of 10 or 20 mg rabeprazole compared with 20 mg omeprazole in the maintenance of gastro-oesophageal reflux disease over 5 years
    B Thjodleifsson
    University Hospital, Reykjavik, Iceland
    Aliment Pharmacol Ther 17:343-51. 2003
  3. ncbi request reprint A common genetic background for inflammatory bowel disease and ankylosing spondylitis: a genealogic study in Iceland
    Bjarni Thjodleifsson
    Landspitali University Hospital, Hringbraut, Reykjavik IS 401, Iceland
    Arthritis Rheum 56:2633-9. 2007
  4. ncbi request reprint Review of rabeprazole in the treatment of gastro-oesophageal reflux disease
    Bjarni Thjodleifsson
    Landspitali University Hospital, Department of Gastroenterology, Hringbraut, Reykjavik, 101 Iceland
    Expert Opin Pharmacother 5:137-49. 2004
  5. ncbi request reprint Infections and obesity: A multinational epidemiological study
    Bjarni Thjodleifsson
    Department of Medicine, Landspitali University Hospital Hringbraut, IS 101, Reykjavik, Iceland
    Scand J Infect Dis 40:381-6. 2008
  6. ncbi request reprint [Epidemiological study of functional bowel disorders in Iceland]
    Linda B Olafsdóttir
    Iceland University Hospital, Hringbraut, 101 Reykjavik, Iceland
    Laeknabladid 91:329-33. 2005
  7. ncbi request reprint Seroprevalence of Helicobacter pylori and cagA antibodies in Iceland, Estonia and Sweden
    Bjarni Thjodleifsson
    Medical Department, Landspitali University Hospital, Iceland
    Scand J Infect Dis 39:683-9. 2007
  8. doi request reprint Natural history of functional gastrointestinal disorders: comparison of two longitudinal population-based studies
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali, Reykjavik, Iceland
    Dig Liver Dis 44:211-7. 2012
  9. pmc Natural history of heartburn: a 10-year population-based study
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali University Hospitol, and The Social Science Research Institute, University of Iceland, 101 Reykjavik, Iceland
    World J Gastroenterol 17:639-45. 2011
  10. pmc Irritable bowel syndrome: physicians' awareness and patients' experience
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali, Faculty of Medicine, University of Iceland, Hringbraut, 101 Reykjavik, Iceland
    World J Gastroenterol 18:3715-20. 2012

Collaborators

Detail Information

Publications26

  1. ncbi request reprint Treatment of acid-related diseases in the elderly with emphasis on the use of proton pump inhibitors
    Bjarni Thjodleifsson
    Department of Medicine, University Hospital, Reykjavik, Iceland
    Drugs Aging 19:911-27. 2002
    ..Drug clearance decreases with age independently of CYP2C19 status, exaggerating some of the differences between the PPIs and increasing the risk of drug interactions...
  2. ncbi request reprint A randomized, double-blind trial of the efficacy and safety of 10 or 20 mg rabeprazole compared with 20 mg omeprazole in the maintenance of gastro-oesophageal reflux disease over 5 years
    B Thjodleifsson
    University Hospital, Reykjavik, Iceland
    Aliment Pharmacol Ther 17:343-51. 2003
    ..Proton pump inhibitors are the treatment of choice for both acute and maintenance treatment, but little is known from randomized controlled trials of their effects beyond 1 year...
  3. ncbi request reprint A common genetic background for inflammatory bowel disease and ankylosing spondylitis: a genealogic study in Iceland
    Bjarni Thjodleifsson
    Landspitali University Hospital, Hringbraut, Reykjavik IS 401, Iceland
    Arthritis Rheum 56:2633-9. 2007
    ..This study was undertaken to examine the familial occurrence and cosegregation of AS and inflammatory bowel disease (IBD) in order to determine whether there is a shared genetic risk factor in families...
  4. ncbi request reprint Review of rabeprazole in the treatment of gastro-oesophageal reflux disease
    Bjarni Thjodleifsson
    Landspitali University Hospital, Department of Gastroenterology, Hringbraut, Reykjavik, 101 Iceland
    Expert Opin Pharmacother 5:137-49. 2004
    ..This paper reviews the use of PPIs in the treatment of GERD with particular focus on one of the newer agents, rabeprazole...
  5. ncbi request reprint Infections and obesity: A multinational epidemiological study
    Bjarni Thjodleifsson
    Department of Medicine, Landspitali University Hospital Hringbraut, IS 101, Reykjavik, Iceland
    Scand J Infect Dis 40:381-6. 2008
    ..The results suggest that infections with Chlamydia pneumoniae and Helicobacter pylori are both significantly and synergistically associated with overweight and this association is not related to indicators of systemic inflammation...
  6. ncbi request reprint [Epidemiological study of functional bowel disorders in Iceland]
    Linda B Olafsdóttir
    Iceland University Hospital, Hringbraut, 101 Reykjavik, Iceland
    Laeknabladid 91:329-33. 2005
    ..The aim of the present study was to evaluate the prevalence of functional bowel disorders (FBD) in a population-based sample and to assess FBD-related health care seeking and medication in Iceland...
  7. ncbi request reprint Seroprevalence of Helicobacter pylori and cagA antibodies in Iceland, Estonia and Sweden
    Bjarni Thjodleifsson
    Medical Department, Landspitali University Hospital, Iceland
    Scand J Infect Dis 39:683-9. 2007
    ..Overall, socioeconomic development during the childhood period seems to be the most important factor for the prevalence of H. pylori infection. In adults, smoking may be a contributory factor...
  8. doi request reprint Natural history of functional gastrointestinal disorders: comparison of two longitudinal population-based studies
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali, Reykjavik, Iceland
    Dig Liver Dis 44:211-7. 2012
    ..Functional gastrointestinal disorders are common but information on their natural history is limited...
  9. pmc Natural history of heartburn: a 10-year population-based study
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali University Hospitol, and The Social Science Research Institute, University of Iceland, 101 Reykjavik, Iceland
    World J Gastroenterol 17:639-45. 2011
    ..To study the natural history and prevalence of heartburn at a 10-year interval, and to study the effect of heartburn on various symptoms and activities...
  10. pmc Irritable bowel syndrome: physicians' awareness and patients' experience
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali, Faculty of Medicine, University of Iceland, Hringbraut, 101 Reykjavik, Iceland
    World J Gastroenterol 18:3715-20. 2012
    ..To study if and how physicians use the irritable bowel syndrome (IBS) diagnostic criteria and to assess treatment strategies in IBS patients...
  11. ncbi request reprint Natural history of functional dyspepsia: a 10-year population-based study
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali University Hospital, Reykjavik, Iceland
    Digestion 81:53-61. 2010
    ..Functional dyspepsia (FD) is a common disorder, but information on its natural history is limited...
  12. pmc Natural history of irritable bowel syndrome in women and dysmenorrhea: a 10-year follow-up study
    Linda Bjork Olafsdottir
    Department of Gastroenterology, Landspitali University Hospital, 101 Reykjavik, Iceland
    Gastroenterol Res Pract 2012:534204. 2012
    ..Conclusion. Women with IBS are more likely to experience dysmenorrhea than women without IBS which seems to be a part of the symptomatology in most women with IBS. IBS symptom severity seems to increase after menopause...
  13. pmc Persistent Chlamydia Pneumoniae serology is related to decline in lung function in women but not in men. Effect of persistent Chlamydia pneumoniae infection on lung function
    Thorarinn Gislason
    University of Iceland, Faculty of Medicine, Reykjavik, Iceland
    BMC Pulm Med 10:44. 2010
    ..Chlamydia pneumoniae (C pn) infection causes an acute inflammation in the respiratory system that may become persistent, but little is known about the long-term respiratory effects of C pn infections...
  14. ncbi request reprint Trends in peptic ulcer morbidity and mortality in Iceland
    Hildur Thors
    Department of Gastroenterology, National University Hospital, 101 Reykjavik, Iceland
    J Clin Epidemiol 55:681-6. 2002
    ..These were the generations with the highest prevalence of H. pylori antibodies, the subjects born after the turn of the century at a time of maximum crowding and poor hygiene in Iceland due to the industrial revolution...
  15. ncbi request reprint Colonic adenomas found via colonoscopy: yield and risk factors for high-grade dysplasia
    Sjofn Kristjansdottir
    Speglun ehf, Reykjavik, Iceland
    Digestion 82:252-7. 2010
    ..The adenoma-carcinoma sequence is the model for colorectal carcinoma (CRC) developing through high-grade dysplasia (HGD) to CRC. The aim was to assess prevalence and location of adenomas found during colonoscopy and risk factors for HGD...
  16. ncbi request reprint Subclinical intestinal inflammation: an inherited abnormality in Crohn's disease relatives?
    Bjarni Thjodleifsson
    Department of Medicine, Iceland University Hospital, Reykjavik, Iceland
    Gastroenterology 124:1728-37. 2003
    ..We assessed the possible presence, prevalence, and inheritance pattern of subclinical intestinal inflammation in apparently healthy relatives of patients with Crohn's disease...
  17. ncbi request reprint Effects of 5 years of treatment with rabeprazole or omeprazole on the gastric mucosa
    Guido Rindi
    University of Parma, Parma, Italy bDepartment of Pathology, University of Genoa, Italy
    Eur J Gastroenterol Hepatol 17:559-66. 2005
    ..The objective was to determine the effects of 5 years of treatment with rabeprazole or omeprazole on the gastric mucosa...
  18. ncbi request reprint A quantitative analysis of NSAID-induced small bowel pathology by capsule enteroscopy
    Laurence Maiden
    Department of Medicine, Guy s, King s, St Thomas Medical School, London, England
    Gastroenterology 128:1172-8. 2005
    ..We used wireless capsule enteroscopy to quantitate and assess the nature of the small bowel damage caused by nonsteroidal anti-inflammatory drugs when taken on a short-term basis...
  19. ncbi request reprint The effect of infectious burden on the prevalence of atopy and respiratory allergies in Iceland, Estonia, and Sweden
    Christer Janson
    Respiratory Medicine and Allergology, Akademiska sjukhuset, Uppsala, Sweden
    J Allergy Clin Immunol 120:673-9. 2007
    ..Epidemiologic reports on the effect of microbe exposure on the development of atopy and allergic asthma are inconsistent...
  20. ncbi request reprint Prevalence and mechanism of nonsteroidal anti-inflammatory drug-induced clinical relapse in patients with inflammatory bowel disease
    Ken Takeuchi
    Department of Internal Medicine, Guy s, King s, St Thomas Medical School, London, United Kingdom
    Clin Gastroenterol Hepatol 4:196-202. 2006
    ..We assessed the effect of these drugs in patients with inflammatory bowel disease (n = 209) and the possible mechanisms...
  21. ncbi request reprint Seroprevalence of Toxoplasma gondii in Sweden, Estonia and Iceland
    Alda Birgisdottir
    Faculty of Medicine, University of Iceland
    Scand J Infect Dis 38:625-31. 2006
    ..We concluded that risk factors for T. gondii infection suggested that soil exposure was 1 of the mechanisms in all 3 countries and a meat-associated infection route is a risk in Sweden...
  22. ncbi request reprint The murky world of the COX-2-selective agents
    Ingvar Bjarnason
    Department of Medicine, Guy s, King s, St Thomas Medical School, Bessemer Road, London SE5 9PJ, UK
    Inflammopharmacology 13:381-93. 2005
  23. ncbi request reprint [Cirrhosis hepatis, viral hepatitis C and alcohol consumption in Iceland]
    Bjarni Thjodleifsson
    Laeknabladid 94:7. 2008
  24. ncbi request reprint Subclinical intestinal inflammation and sacroiliac changes in relatives of patients with ankylosing spondylitis
    Ingvar Bjarnason
    Department of Medicine, Guy s, King s, St Thomas Medical School, London, England
    Gastroenterology 125:1598-605. 2003
    ..The relationship between this inflammation and the subjects' HLA-B27 genotype as well as computerized tomographic sacroiliac abnormalities was also assessed...
  25. ncbi request reprint Granulomatous ileitis in a patient with ankylosing spondylitis
    Danielle Adebayo
    London, UK
    Nat Clin Pract Gastroenterol Hepatol 4:347-51. 2007
    ..A 21-year-old white male with a 3-year history of back pain presented with a 6-month history of weight loss (without significant gastrointestinal symptoms), lethargy and left hip pain, and diarrhea that had lasted 4 days...
  26. ncbi request reprint Long-term effects of nonsteroidal anti-inflammatory drugs and cyclooxygenase-2 selective agents on the small bowel: a cross-sectional capsule enteroscopy study
    Laurence Maiden
    Department of Medicine, King s College Hospital, London, United Kingdom
    Clin Gastroenterol Hepatol 5:1040-5. 2007
    ..We used capsule enteroscopy to study small-bowel damage in patients on long-term NSAIDs and COX-2-selective agents...