I. Bjarnason

I. Bjarnason, R. Lofberg, H. Hanai, 2007, Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis.

Selective bloodletting for severe ulcerative colitis

I. Bjarnason, P. Premchand, K. Takeuchi, 2004, Scandinavian journal of gastroenterology.

Subclinical intestinal inflammation and sacroiliac changes in relatives of patients with ankylosing spondylitis.

D. Gudbjartsson, K. Kristjánsson, B. Thjódleifsson, 2003, Gastroenterology.

The murky world of the COX-2-selective agents

B. Thjódleifsson, I. Bjarnason, 2005, InflammoPharmacology.

Evidence for endoscopic ulcers as meaningful surrogate endpoint for clinically significant upper gastrointestinal harm.

Á. Lanas, L. Simon, I. Bjarnason, 2009, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

An algorithm for family screening for coeliac disease.

J. Swift, I. Bjarnason, P. Ciclitira, 2006, World journal of gastroenterology.

COX-1 and 2, intestinal integrity, and pathogenesis of nonsteroidal anti-inflammatory drug enteropathy in mice.

R. Simpson, I. Bjarnason, S. Morham, 2002, Gastroenterology.

Studies on bacterial endotoxin and intestinal absorption function in patients with chronic heart failure.

S. Anker, H. Volk, J. Niebauer, 2012, International journal of cardiology.

Genetic aspects of intestinal permeability in inflammatory bowel disease.

I. Bjarnason, K. Takeuchi, L. Maiden, 2004, Novartis Foundation symposium.

Alcohol: A friend or foe of IBD

I. Bjarnason, 2007, Scandinavian journal of gastroenterology.

Expression of iron absorption genes in mouse large intestine

R. Simpson, I. Bjarnason, G. Latunde-Dada, 2005, Scandinavian journal of gastroenterology.

Adacolumn, an Adsorptive Carrier Based Granulocyte and MonocyteApheresis Device for the Treatment of Inflammatory and RefractoryDiseases Associated with Leukocytes

I. Bjarnason, R. Lofberg, H. Hanai, 2003, Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy.

Leukocyte adsorptive apheresis for the treatment of active ulcerative colitis: a prospective, uncontrolled, pilot study.

I. Bjarnason, T. Furuta, H. Hanai, 2003, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

International Nutrition Meeting 12-14th September 1996: An Overview

V. Preedy, I. Bjarnason, A. Bonner, 1999 .

Daily life difficulties among patients with ulcerative colitis in Japan and the United Kingdom: A comparative study

I. Bjarnason, R. Kunisaki, A. Kawakami, 2022, Medicine.

The impact of inflammatory bowel disease post‐liver transplantation for primary sclerosing cholangitis

N. Heaton, M. Heneghan, I. Bjarnason, 2013, Liver international : official journal of the International Association for the Study of the Liver.

Gastrointestinal tolerability of nimesulide, a selective cyclooxygenase-2 inhibitor, in experimental animals and man

B. Thjódleifsson, I. Bjarnason, G. Sigthorsson, 2000, InflammoPharmacology.

A randomised, double-blind, placebo-controlled trial of a multi-strain probiotic in patients with asymptomatic ulcerative colitis and Crohn’s disease

B. Hayee, I. Bjarnason, Guy Sission, 2019, Inflammopharmacology.

Contrasting Pattern of Chronic Inflammatory Bowel Disease in Primary and Autoimmune Sclerosing Cholangitis

E. Bjornsson, C. Kvasnovsky, B. Hayee, 2015, EBioMedicine.

Duodenal ascorbate and ferric reductase in human iron deficiency.

R. Simpson, I. Bjarnason, K. Tzatchev, 2005, The American journal of clinical nutrition.

A common genetic background for inflammatory bowel disease and ankylosing spondylitis: a genealogic study in Iceland.

B. Thjódleifsson, I. Bjarnason, Á. Geirsson, 2007, Arthritis and rheumatism.

Long-term effects of nonsteroidal anti-inflammatory drugs and cyclooxygenase-2 selective agents on the small bowel: a cross-sectional capsule enteroscopy study.

A. Seigal, B. Thjódleifsson, I. Bjarnason, 2007, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Intestinal inflammation, ileal structure and function in HIV

B. Gazzard, A. Macpherson, I. Bjarnason, 1996, AIDS.

Probiotic prophylaxis in predicted severe acute pancreatitis

I. Bjarnason, A. Bjarnason, S. Adler, 2008, The Lancet.

Subclinical intestinal inflammation: an inherited abnormality in Crohn's disease relatives?

D. Gudbjartsson, V. Gudnason, K. Kristjánsson, 2003, Gastroenterology.

Faecal metabolite deficit, gut inflammation and diet in Parkinson's disease: Integrative analysis indicates inflammatory response syndrome

K. Whelan, R. Dobbs, A. Charlett, 2023, Clinical and translational medicine.

Selective white cell apheresis reduces relapse rates in patients with IBD at significant risk of clinical relapse

J. Sanderson, I. Forgacs, I. Bjarnason, 2008, Inflammatory bowel diseases.

Leucocyte apheresis for ulcerative colitis: Where do we stand?

I. Bjarnason, F. T. Sigurbjornsson, K. Manoj, 2006, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Granulocyte, macrophage, monocyte apheresis for refractory ulcerative proctitis.

I. Bjarnason, P. Premchand, K. Takeuchi, 2004, European journal of gastroenterology & hepatology.

Splanchnic ischemia is associated with increased intestinal permeability, endotoxemia and bacteremia in general intensive care patients but not in acute liver failure

I. Bjarnason, G. Barclay, R. Williams, 1998 .

Prevalence and mechanism of nonsteroidal anti-inflammatory drug-induced clinical relapse in patients with inflammatory bowel disease.

Simon Smale, Ken Takeuchi, B. Thjódleifsson, 2006, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

A 4-strain Probiotic Supplement Influences Gut Microbiota Composition and Gut Wall Function in Patients with Ulcerative Colitis.

A. Basit, S. Gaisford, P. van den Abbeele, 2020, International journal of pharmaceutics.

Faecal calprotectin: a noninvasive diagnostic tool and marker of severity in pouchitis

A. Forbes, I. Bjarnason, P. Ciclitira, 2008, European journal of gastroenterology & hepatology.

Assessment of ileal pouch inflammation by single-stool calprotectin assay

A. Price, I. Bjarnason, A. Røseth, 2000, Diseases of the colon and rectum.

Use of fecal lactoferrin to diagnose irritable pouch syndrome: a word of caution.

Matthew W. Johnson, A. Forbes, I. Bjarnason, 2004, Gastroenterology.

Systematic review: bile acids and intestinal inflammation‐luminal aggressors or regulators of mucosal defence?

B. Hayee, I. Bjarnason, P. Pavlidis, 2015, Alimentary pharmacology & therapeutics.

Use of surrogate markers of inflammation and Rome criteria to distinguish organic from nonorganic intestinal disease.

I. Forgacs, I. Bjarnason, G. Sigthorsson, 2002, Gastroenterology.

Randomised clinical trial: a liquid multi‐strain probiotic vs. placebo in the irritable bowel syndrome – a 12 week double‐blind study

S. Ayis, I. Bjarnason, G. Sisson, 2014, Alimentary pharmacology & therapeutics.

Rifaximin Reduces the Number and Severity of Intestinal Lesions Associated With Use of Nonsteroidal Anti-Inflammatory Drugs in Humans.

Á. Lanas, I. Bjarnason, C. Scarpignato, 2017, Gastroenterology.

Granulomatous ileitis in a patient with ankylosing spondylitis

B. Thjódleifsson, I. Bjarnason, D. Adebayo, 2007, Nature Clinical Practice Gastroenterology &Hepatology.

Non-steroidal anti-inflammatory drugs request parity with Helicobacter pylori

I. Bjarnason, K. Takeuchi, M. Ladwa, 2006, Scandinavian journal of gastroenterology.

The prevention and healing of acute non-steroidal anti-inflammatory drug-associated gastroduodenal mucosal damage by misoprostol.

I. Bjarnason, D. Scott, K. Bardhan, 1993, British journal of rheumatology.

Feasibility of small bowel capsule endoscopy in children under the age of 4 years: a single centre experience

I. Bjarnason, B. Vadamalayan, M. Hii, 2012, Frontline Gastroenterology.

Nonsteroidal anti-inflammatory drugs and exacerbations of inflammatory bowel disease

C. Kvasnovsky, I. Bjarnason, U. Aujla, 2015, Scandinavian journal of gastroenterology.

A new form of chronic inflammatory bowel disease associated with chronic liver disease

I. Bjarnason, P. Pavlidis, F. Fascí-Spurio, 2016, Scandinavian journal of gastroenterology.

A randomised, double-blind, placebo-controlled trial of a multi-strain probiotic in patients with asymptomatic ulcerative colitis and Crohn’s disease

B. Hayee, I. Bjarnason, Guy Sission, 2019, Inflammopharmacology.

Antitumor necrosis α treatment in primary sclerosing cholangitis associated inflammatory bowel disease after liver transplantation

N. Heaton, M. Heneghan, I. Bjarnason, 2015, Liver transplantation.

Physical–Chemical Small Intestinal Injury

S. Adler, I. Bjarnason, C. Sakamoto, 2014 .

Aspirin Induced Adverse Effects on the Small and Large Intestine.

I. Bjarnason, P. Pavlidis, 2015, Current pharmaceutical design.

NSAID-induced gastrointestinal damage: the biochemical consequences of the 'ion trapping' hypothesis

I. Bjarnason, G. Sigthorsson, J. Tibble, 2004, InflammoPharmacology.

S0033291721001793jra 486..496

M. Hotopf, T. Britton, S. Landau, 2023 .

Efficacy of therapist-delivered transdiagnostic CBT for patients with persistent physical symptoms in secondary care: a randomised controlled trial

M. Hotopf, T. Britton, S. Landau, 2021, Psychological Medicine.

Early change in faecal calprotectin predicts primary non-response to anti-TNFα therapy in Crohn’s disease

B. Hayee, I. Bjarnason, P. Pavlidis, 2016, Scandinavian journal of gastroenterology.

[Effect of Pentavac and MMR vaccination on the intestine.].

I. Bjarnason, M. Kjeld, Katrín Davíðsdóttir, 2002, Laeknabladid.

Small bowel enteropathy associated with chronic low-dose aspirin therapy

F. Chan, I. Bjarnason, J. Sung, 2007, The Lancet.

Validation of the English version of the difficulty of life scale for patients with ulcerative colitis

B. Hayee, I. Bjarnason, R. Kunisaki, 2019, European journal of gastroenterology & hepatology.

A simple method for assessing intestinal inflammation in Crohn's disease

B. Thjódleifsson, I. Bjarnason, A. Røseth, 2000, Gut.

Surrogate markers of intestinal inflammation are predictive of relapse in patients with inflammatory bowel disease.

I. Bjarnason, I. Bjarnason, G. Sigthorsson, 2000, Gastroenterology.

[The effect of diclofenac on the small intestine studied by wireless endoscopy.].

Á. Theodórs, I. Bjarnason, Bjarni Thornjóðleifsson, 2004, Icelandic Medical Journal.

The effect of elemental diet on intestinal permeability and inflammation in Crohn's disease.

I. Bjarnason, A. Levi, P. Smethurst, 1991, Gastroenterology.

Diverticular disease: update on pathophysiology, classification and management

B. Hayee, I. Bjarnason, A. Haji, 2023, Frontline Gastroenterology.

Intestinal Permeability and Absorptive Capacity in Children with Portal Hypertension

M. Davenport, P. Cheeseman, G. Mieli-Vergani, 2002, Scandinavian journal of gastroenterology.

Intestinal permeability: an overview.

A. Macpherson, I. Bjarnason, I. Bjarnason, 1995, Gastroenterology.

Side effects of nonsteroidal anti-inflammatory drugs on the small and large intestine in humans.

A. Macpherson, I. Bjarnason, A. Russell, 1993, Gastroenterology.

Faecal calprotectin and faecal occult blood tests in the diagnosis of colorectal carcinoma and adenoma

I. Bjarnason, R. Sherwood, I. Bjarnason, 2001, Gut.

Mucosal antibodies in inflammatory bowel disease are directed against intestinal bacteria.

I. Forgacs, A. Macpherson, I. Bjarnason, 1996, Gut.

Non-invasive investigation of inflammatory bowel disease.

I. Bjarnason, I. Bjarnason, J. Tibble, 2001, World journal of gastroenterology.

The effect of tacrolimus (FK506) on intestinal barrier function and cellular energy production in humans.

J. Tredger, Roger Williams, Z. Tolou_Ghamari, 1998, Gastroenterology.

Inflammatory bowel disease and spondylarthropathy.

I. Bjarnason, A. Russell, T. Orchard, 2001, Arthritis and rheumatism.

Faecal calprotectin is a surrogate marker of biliary inflammation in primary sclerosing cholangitis associated inflammatory bowel disease

J. Devlin, B. Hayee, M. Heneghan, 2022, Frontline Gastroenterology.

Mitochondrial damage: a possible mechanism of the “topical” phase of NSAID induced injury to the rat intestine

A. Price, A. Macpherson, I. Bjarnason, 1997, Gut.

Epidemiology and differential diagnosis of NSAID-induced injury to the mucosa of the small intestine.

I. Bjarnason, I. Bjarnason, S. Smale, 2001, Best practice & research. Clinical gastroenterology.

Gastritis in patients on non‐steroidal anti‐inflammatory drugs

A. Price, I. Bjarnason, I. Bjarnason, 1993, Histopathology.

Significantly higher frequency of Helicobacter suis in patients with idiopathic parkinsonism than in control patients

R. Dobbs, A. Charlett, C. Weller, 2013, Alimentary pharmacology & therapeutics.

Serious upper gastrointestinal complications of NSAIDs and COX-2 selective agents

I. Bjarnason, G. Sisson, 2011, Inflammopharmacology.

NSAIDs: the Emperor’s new dogma?

R. Simpson, I. Bjarnason, I. Bjarnason, 2003, Gut.

Nonsteroidal antiinflammatory drug-induced small intestinal inflammation and blood loss. Effects of sulfasalazine and other disease-modifying antirheumatic drugs.

A. Price, A. Macpherson, I. Bjarnason, 1994, Arthritis and rheumatism.

What we have learned and what to expect from capsule endoscopy.

S. Adler, I. Bjarnason, 2012, World journal of gastrointestinal endoscopy.

Selective inhibition of COX-2 in humans is associated with less gastrointestinal injury: a comparison of nimesulide and naproxen

B. Thjódleifsson, A. Price, D. Fitzgerald, 2001, Gut.

The G.U.T. of gut

I. Bjarnason, I. Bjarnason, A. Bjarnason, 2004, Scandinavian journal of gastroenterology.

Drug‐Induced Damage to the Small and Large Intestine

I. Bjarnason, G. Sisson, Z. Zeino, 2012 .

Comparison of enteral feeding and total parenteral nutrition after liver transplantation

Roger Williams, I. Bjarnason, R. Williams, 1994, The Lancet.

Intestinal absorption and permeability in paediatric short-bowel syndrome: a pilot study.

M. Davenport, L. D’Antiga, G. Mieli-Vergani, 1999, Journal of pediatric gastroenterology and nutrition.

Effect of Pentavac and measles-mumps-rubella (MMR) vaccination on the intestine

B. Thjódleifsson, I. Bjarnason, I. Bjarnason, 2002, Gut.

Fecal calprotectin: a significant step in the noninvasive assessment of intestinal inflammation.

I. Bjarnason, R. Sherwood, I. Bjarnason, 2001, Journal of pediatric gastroenterology and nutrition.

Faecal calprotectin levels correlate with acute inflammation in autistic enterocolitis

I. Bjarnason, S. Montgomery, A. Anthony, 2000 .