Publications 2021

Kalla R, Adams AT, Bergemalm D, Vatn S, Kennedy NA, Ricanek P, Lindstrom J, Ocklind A, Hjelm F, Ventham NT, Ho GT, Petren C, Repsilber D, Soderholm J, Pierik M, D'Amato M, Gomollon F, Olbjorn C, Jahnsen J, Vatn MH, Halfvarson J, Satsangi J, IBD-Character Consortium (2021)
Serum proteomic profiling at diagnosis predicts clinical course, and need for intensification of treatment in inflammatory bowel disease
J. Crohns Colitis, 15 (5), 699-708
DOI 10.1093/ecco-jcc/jjaa230

Monstad IL, Solberg IC, Cvancarova M, Hovde O, Henriksen M, Huppertz-Hauss G, Gunther E, Moum BA, Stray N, Vatn M, Hoie O, Jahnsen J (2021)
Outcome of Ulcerative Colitis 20 Years after Diagnosis in a Prospective Population-based Inception Cohort from South-Eastern Norway, the IBSEN Study
J. Crohns Colitis, 15 (6), 969-979
DOI 10.1093/ecco-jcc/jjaa232

Publications 2020

Bengtson MB, Haugen M, Brantsaeter AL, Aamodt G, Vatn MH (2020)
Intake of dairy protein during pregnancy in IBD and risk of SGA in a Norwegian population-based mother and child cohort
BMC Gastroenterol., 20 (1), 28
DOI 10.1186/s12876-020-1182-y

Garshol BF, Aamodt G, Madsen C, Vatn MH, Bengtson MB (2020)
The effect of nitrogen dioxide on low birth weight in women with inflammatory bowel disease: a Norwegian pregnancy cohort study (MoBa)
Scand. J. Gastroenterol., 55 (3), 272-278
DOI 10.1080/00365521.2020.1726446

Kalla R, Adams AT, Ventham NT, Kennedy NA, White R, Clarke C, Ivens A, Bergemalm D, Vatn S, Lopez-Jimena B, Ricanek P, Vatn MH, Soderholm J, Gomollon F, Nowak JK, Jahnsen J, Halfvarson J, McTaggart S, Ho GT, Buck A, Satsangi J, IBD Character Consortium (2020)
Whole Blood Profiling of T-cell-Derived microRNA Allows the Development of Prognostic models in Inflammatory Bowel Disease
J. Crohns Colitis, 14 (12), 1724-1733
DOI 10.1093/ecco-jcc/jjaa134

Klepp P, Brackmann S, Cvancarova M, Hoivik ML, Hovde O, Henriksen M, Huppertz-Hauss G, Bernklev T, Hoie O, Kempski-Monstad I, Solberg IC, Stray N, Jahnsen J, Vatn MH, Moum B (2020)
Risk of colorectal cancer in a population-based study 20 years after diagnosis of ulcerative colitis: results from the IBSEN study
BMJ Open Gastroenterol., 7 (1), e000361
DOI 10.1136/bmjgast-2019-000361

Kristensen VA, Cvancarova M, Hoivik ML, Moum B, Vatn MH (2020)
Serological antibodies and surgery in a population-based inception cohort of Crohn's disease patients - the IBSEN study
Scand. J. Gastroenterol., 55 (4), 436-441
DOI 10.1080/00365521.2020.1745879

Ossum AM, Palm O, Cvancarova M, Bernklev T, Jahnsen J, Moum B, Hoivik ML, Vatn M, Borthne A, Huppertz-Hauss G, Solberg IC, Kempski-Monstad I, Opheim R, Klepp-Larsson P, Stray N, Henriksen M, Jelsness-Jorgensen LP, Hovde O, Hoie O, Bengtson MB, IBSEN Study Grp (2020)
The Impact of Spondyloarthritis and Joint Symptoms on Health-Related Quality of Life and Fatigue in IBD Patients. Results From a Population-Based Inception Cohort (20-Year Follow-up in the Ibsen Study)
Inflamm. Bowel Dis., 26 (1), 114-124
DOI 10.1093/ibd/izz105

Vatn S, Carstens A, Kristoffersen AB, Bergemalm D, Casen C, Moen AEF, Tannaes TM, Lindstrom J, Detlie TE, Olbjorn C, Lindquist CM, Soderholm JD, Gomollon F, Kalla R, Satsangi J, Vatn MH, Jahnsen J, Halfvarson J, Ricanek P, IBD-Character Consortium (2020)
Faecal microbiota signatures of IBD and their relation to diagnosis, disease phenotype, inflammation, treatment escalation and anti-TNF response in a European Multicentre Study (IBD-Character)
Scand. J. Gastroenterol., 55 (10), 1146-1156
DOI 10.1080/00365521.2020.1803396

Publications 2019

Lunder AK, Bakstad LT, Jahnsen J, Borthne A, Hov JR, Vatn M, Negard A (2019)
Assessment of Bowel Inflammation and Strictures by Magnetic Resonance Enterography in Long-term Crohn's Disease
J. Crohns Colitis, 13 (5), 607-614
DOI 10.1093/ecco-jcc/jjy208

Olbjern C, Smastuen MC, Thiis-Evensen E, Nakstad B, Vatn MH, Jahnsen J, Ricanek P, Vatn S, Moen AEF, Tannaes TM, Lindstrom JC, Soderholm JD, Halfvarson J, Gomollon F, Casen C, Karlsson MK, Kalla R, Adams AT, Satsangi J, Perminow G (2019)
Fecal microbiota profiles in treatment-naive pediatric inflammatory bowel disease - associations with disease phenotype, treatment, and outcome
Clin. Exp. Gastroenterol., 12, 37-49
DOI 10.2147/CEG.S186235

Patsopoulos NA, Baranzini SE, Santaniello A, Shoostari P, Cotsapas C, Wong G, Beecham AH, James T, Replogle J, Vlachos IS, McCabe C, Pers TH, Brandes A, White C, Keenan B, Cimpean M, Winn P, Panteliadis IP, Robbins A, Andlauer TFM, Zarzycki O, Dubois B, Goris A, Sondergaard HB, Sellebjerg F et al. (2019)
Multiple sclerosis genomic map implicates peripheral immune cells and microglia in susceptibility
Science, 365 (6460), eaav7188-+
DOI 10.1126/science.aav7188

Publications 2018

Holme O, Loberg M, Kalager M, Bretthauer M, Hernan MA, Aas E, Eide TJ, Skovlund E, Lekven J, Schneede J, Tveit KM, Vatn M, Ursin G, Hoff G, NORCCAP Study Grp (2018)
Long-Term Effectiveness of Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality in Women and Men A Randomized Trial
Ann. Intern. Med., 168 (11), 775-+
DOI 10.7326/M17-1441

Klepp P, Kisiel JB, Smastuen MC, Roseth A, Andersen SN, Vatn MH, Ahlquist DA, Moum BA, Brackmann S (2018)
Multi-target stool DNA test in the surveillance of inflammatory bowel disease: a cross-sectional cohort study
Scand. J. Gastroenterol., 53 (3), 273-278
DOI 10.1080/00365521.2018.1424935

Klepp P, Tollisen A, Roseth A, Smastuen MC, Andersen SN, Vatn M, Moum BA, Brackmann S (2018)
Real-life chromoendoscopy for dysplasia surveillance in ulcerative colitis
World J. Gastroenterol., 24 (35), 4069-4076
DOI 10.3748/wjg.v24.i35.4069

Lunder AK, Jahnsen J, Bakstad LT, Borthne A, Hov JR, Vatn M, Negard A, IBSEN Study Grp (2018)
Bowel Damage in Patients With Long-term Crohn's Disease, Assessed by Magnetic Resonance Enterography and the Lemann Index
Clin. Gastroenterol. Hepatol., 16 (1), 75-+
DOI 10.1016/j.cgh.2017.06.053

Moen AEF, Lindstrom JC, Tannaes TM, Vatn S, Ricanek P, Vatn MH, Jahnsen J, IBD-Character Consortium (2018)
The prevalence and transcriptional activity of the mucosal microbiota of ulcerative colitis patients
Sci Rep, 8, 17278
DOI 10.1038/s41598-018-35243-4

Myklebust-Hansen T, Aamodt G, Haugen M, Brantsaeter AL, Vatn MH, Bengtson MB (2018)
Dietary Patterns in women with Inflammatory Bowel Disease and Risk of Adverse Pregnancy Outcomes: Results from The Norwegian Mother and Child Cohort Study (MoBa)
Inflamm. Bowel Dis., 24 (1), 12-24
DOI 10.1093/ibd/izx006

Ossum AM, Palm O, Cvancarova M, Solberg IC, Vatn M, Moum B, Hoivik ML, IBSEN Study Grp (2018)
Peripheral arthritis in patients with long-term inflammatory bowel disease. Results from 20 years of follow-up in the IBSEN study
Scand. J. Gastroenterol., 53 (10-11), 1250-1256
DOI 10.1080/00365521.2018.1518482

Tronstad RR, Polushina T, Brattbakk HR, Stansberg C, von Volkmann HL, Hanevik K, Ellinghaus E, Jorgensen SF, Ersland KM, Pham KDC, Gilja OH, Hovdenak N, Hausken T, Vatn MH, Franke A, Knappskog PM, Le Hellard S, Karlsen TH, Fiskerstrand T (2018)
Genetic and transcriptional analysis of inflammatory bowel disease-associated pathways in patients with GUCY2C-linked familial diarrhea
Scand. J. Gastroenterol., 53 (10-11), 1264-1273
DOI 10.1080/00365521.2018.1521867

Publications 2017

Bengtson MB, Martin CF, Aamodt G, Vatn MH, Mahadevan U (2017)
Inadequate Gestational Weight Gain Predicts Adverse Pregnancy Outcomes in Mothers with Inflammatory Bowel Disease: Results from a Prospective US Pregnancy Cohort
Dig. Dis. Sci., 62 (8), 2063-2069
DOI 10.1007/s10620-017-4547-5

Bengtson MB, Aamodt G, Mahadevan U, Vatn MH (2017)
Inadequate Gestational Weight Gain, the Hidden Link Between Maternal IBD and Adverse Pregnancy Outcomes: Results from the Norwegian Mother and Child Cohort Study
Inflamm. Bowel Dis., 23 (7), 1225-1233
DOI 10.1097/MIB.0000000000001123

Hov JR, Boberg KM, Taraldsrud E, Vesterhus M, Boyadzhieva M, Solberg IC, Schrumpf E, Vatn MH, Lie BA, Molberg O, Karlsen TH (2017)
Antineutrophil antibodies define clinical and genetic subgroups in primary sclerosing cholangitis
Liver Int., 37 (3), 458-465
DOI 10.1111/liv.13238

Olbjorn C, Smastuen MC, Thiis-Evensen E, Nakstad B, Vatn MH, Perminow G (2017)
Serological markers in diagnosis of pediatric inflammatory bowel disease and as predictors for early tumor necrosis factor blocker therapy
Scand. J. Gastroenterol., 52 (4), 414-419
DOI 10.1080/00365521.2016.1259653

Vesterhus M, Holm A, Hov JR, Nygard S, Schrumpf E, Melum E, Thorbjornsen LW, Paulsen V, Lundin K, Dale I, Gilja OH, Zweers SJLB, Vatn M, Schaap FG, Jansen PLM, Ueland T, Rosjo H, Moum B, Ponsioen CY, Boberg KM, Farkkila M, Karlsen TH, Lund-Johansen F (2017)
Novel serum and bile protein markers predict primary sclerosing cholangitis disease severity and prognosis
J. Hepatol., 66 (6), 1214-1222
DOI 10.1016/j.jhep.2017.01.019

Publications 2016

Kevans D, Tyler AD, Holm K, Jorgensen KK, Vatn MH, Karlsen TH, Kaplan GG, Eksteen B, Gevers D, Hov JR, Silverberg MS (2016)
Characterization of Intestinal Microbiota in Ulcerative Colitis Patients with and without Primary Sclerosing Cholangitis
J. Crohns Colitis, 10 (3), 330-337
DOI 10.1093/ecco-jcc/jjv204

Lunder AK, Hov JR, Borthne A, Gleditsch J, Johannesen G, Tveit K, Viktil E, Henriksen M, Hovde O, Huppertz-Hauss G, Hoie O, Hoivik ML, Monstad I, Solberg IC, Jahnsen J, Karlsen TH, Moum B, Vatn M, Negard A (2016)
Prevalence of Sclerosing Cholangitis Detected by Magnetic Resonance Cholangiography in Patients With Long-term Inflammatory Bowel Disease
Gastroenterology, 151 (4), 660-+
DOI 10.1053/j.gastro.2016.06.021

Publications 2015

Bengtson MB, Aamodt G, Vatn MH, Harris JR (2015)
Co-occurrence of IBS and symptoms of anxiety or depression, among Norwegian twins, is influenced by both heredity and intrauterine growth
BMC Gastroenterol., 15, 9
DOI 10.1186/s12876-015-0237-y

Casen C, Vebo HC, Sekelja M, Hegge FT, Karlsson MK, Ciemniejewska E, Dzankovic S, Froyland C, Nestestog R, Engstrand L, Munkholm P, Nielsen OH, Rogler G, Simren M, Ohman L, Vatn MH, Rudi K (2015)
Deviations in human gut microbiota: a novel diagnostic test for determining dysbiosis in patients with IBS or IBD
Aliment. Pharmacol. Ther., 42 (1), 71-83
DOI 10.1111/apt.13236

Ricanek P, Lunde LK, Frye SA, Stoen M, Nygard S, Morth JP, Rydning A, Vatn MH, Amiry-Moghaddam M, Tonjum T (2015)
Reduced expression of aquaporins in human intestinal mucosa in early stage inflammatory bowel disease
Clin. Exp. Gastroenterol., 8, 49-67
DOI 10.2147/CEG.S70119

Vatn MH, Sandvik AK (2015)
Inflammatory bowel disease
Scand. J. Gastroenterol., 50 (6), 748-762
DOI 10.3109/00365521.2015.1033000

Vesterhus M, Hov JR, Holm A, Schrumpf E, Nygard S, Godang K, Andersen IM, Naess S, Thorburn D, Saffioti F, Vatn M, Gilja OH, Lund-Johansen F, Syversveen T, Brabrand K, Pares A, Ponsioen CY, Pinzani M, Farkkila M, Moum B, Ueland T, Rosjo H, Rosenberg W, Boberg KM, Karlsen TH (2015)
Enhanced liver fibrosis score predicts transplant-free survival in primary sclerosing cholangitis
Hepatology, 62 (1), 188-197
DOI 10.1002/hep.27825

Publications 2014

Beisner J, Teltschik Z, Ostaff MJ, Tiemessen MM, Staal FJT, Wang GX, Gersemann M, Perminow G, Vatn MH, Schwab M, Stange EF, Wehkamp J (2014)
TCF-1-mediated Wnt signaling regulates Paneth cell innate immune defense effectors HD-5 and -6: implications for Crohn's disease
Am. J. Physiol.-Gastroint. Liver Physiol., 307 (5), G487-G498
DOI 10.1152/ajpgi.00347.2013

Block M, Jorgensen KK, Oresland T, Lindholm E, Grzyb K, Cvancarova M, Vatn MH, Boberg KM, Borjesson L (2014)
Colectomy for patients with ulcerative colitis and primary sclerosing cholangitis - What next?
J. Crohns Colitis, 8 (5), 421-430
DOI 10.1016/j.crohns.2013.10.008

Cetinkaya RB, Vatn M, Aabakken L, Bergestuen DS, Thiis-Evensen E (2014)
Survival and prognostic factors in well-differentiated pancreatic neuroendocrine tumors
Scand. J. Gastroenterol., 49 (6), 734-741
DOI 10.3109/00365521.2014.903432

Olbjorn C, Nakstad B, Smastuen MC, Thiis-Evensen E, Vatn MH, Perminow G (2014)
Early anti-TNF treatment in pediatric Crohn's disease. Predictors of clinical outcome in a population-based cohort of newly diagnosed patients
Scand. J. Gastroenterol., 49 (12), 1425-1431
DOI 10.3109/00365521.2014.966316

Solberg IC, Cvancarova M, Vatn MH, Moum B, IBSEN Study Grp (2014)
Risk Matrix for Prediction of Advanced Disease in a Population-based Study of Patients with Crohn's Disease (the IBSEN Study)
Inflamm. Bowel Dis., 20 (1), 60-68
DOI 10.1097/01.MIB.0000436956.78220.67

Publications 2013

Ellinghaus D, Folseraas T, Holm K, Ellinghaus E, Melum E, Balschun T, Laerdahl JK, Shiryaev A, Gotthardt DN, Weismuller TJ, Schramm C, Wittig M, Bergquist A, Bjornsson E, Marschall HU, Vatn M, Teufel A, Rust C, Gieger C, Wichmann HE, Runz H, Sterneck M, Rupp C, Braun F, Weersma RK et al. (2013)
Genome-Wide Association Analysis in Primary Sclerosing Cholangitis and Ulcerative Colitis Identifies Risk Loci at GPR35 and TCF4
Hepatology, 58 (3), 1074-1083
DOI 10.1002/hep.25977

Ellinghaus D, Zhang H, Zeissig S, Lipinski S, Till A, Jiang T, Stade B, Bromberg Y, Ellinghaus E, Keller A, Rivas MA, Skieceviciene J, Doncheva NT, Liu X, Liu Q, Jiang FM, Forster M, Mayr G, Albrecht M, Hasler R, Boehm BO, Goodall J, Berzuini CR, Lee J, Andersen V et al. (2013)
Association Between Variants of PRDM1 and NDP52 and Crohn's Disease, Based on Exome Sequencing and Functional Studies
Gastroenterology, 145 (2), 339-347
DOI 10.1053/j.gastro.2013.04.040

Gedde-Dahl M, Thiis-Evensen E, Tjolsen AM, Mordal KS, Vatn M, Bergestuen DS (2013)
Comparison of 24-h and overnight samples of urinary 5-hydroxyindoleacetic acid in patients with intestinal neuroendocrine tumors
Endocr. Connect., 2 (1), 51-55
DOI 10.1530/EC-12-0077

Haugland T, Veenstra M, Vatn MH, Wahl AK (2013)
Improvement in Stress, General Self-Efficacy, and Health Related Quality of Life following Patient Education for Patients with Neuroendocrine Tumors: A Pilot Study
Nurs. Res. Pract., 2013, 695820
DOI 10.1155/2013/695820

Jorgensen KK, Lindstrom L, Cvancarova M, Karlsen TH, Castedal M, Friman S, Schrumpf E, Foss A, Isoniemi H, Nordin A, Holte K, Rasmussen A, Bergquist A, Vatn MH, Boberg KM (2013)
Immunosuppression After Liver Transplantation for Primary Sclerosing Cholangitis Influences Activity of Inflammatory Bowel Disease
Clin. Gastroenterol. Hepatol., 11 (5), 517-523
DOI 10.1016/j.cgh.2012.12.027

Liu JZ, Hov JR, Folseraas T, Ellinghaus E, Rushbrook SM, Doncheva NT, Andreassen OA, Weersma RK, Weismuller TJ, Eksteen B, Invernizzi P, Hirschfield GM, Gotthardt DN, Pares A, Ellinghaus D, Shah T, Juran BD, Milkiewicz P, Rust C, Schramm C, Muller T, Srivastava B, Dalekos G, Nothen MM, Herms S et al. (2013)
Dense genotyping of immune-related disease regions identifies nine new risk loci for primary sclerosing cholangitis
Nature Genet., 45 (6), 670-+
DOI 10.1038/ng.2616

Ng SC, Bernstein CN, Vatn MH, Lakatos PL, LoftusJr EV, Tysk C, O'Morain C, Moum B, Colombel JF, Epidemiology Nat Hist Task Force (2013)
Geographical variability and environmental risk factors in inflammatory bowel disease
Gut, 62 (4), 630-649
DOI 10.1136/gutjnl-2012-303661

Nwosu FC, Thorkildsen LT, Avershina E, Ricanek P, Perminow G, Brackmann S, Vatn MH, Rudi K (2013)
Age-Dependent Fecal Bacterial Correlation to Inflammatory Bowel Disease for Newly Diagnosed Untreated Children
Gastroenterol. Res. Pract., 2013, 302398
DOI 10.1155/2013/302398

Pollheimer J, Bodin J, Sundnes O, Edelmann RJ, Skanland SS, Sponheim J, Brox MJ, Sundlisaeter E, Loos T, Vatn M, Kasprzycka M, Wang JB, Kuchler AM, Tasken K, Haraldsen G, Hol J (2013)
Interleukin-33 Drives a Proinflammatory Endothelial Activation That Selectively Targets Nonquiescent Cells
Arterioscler. Thromb. Vasc. Biol., 33 (2), E47-+
DOI 10.1161/ATVBAHA.112.253427

Rogler G, Aldeguer X, Kruis W, Lasson A, Mittmann U, Nally K, Peyrin-Biroulet L, Schoepfer A, Vatn M, Vavricka S, Logan R (2013)
Concept for a rapid point-of-care calprotectin diagnostic test for diagnosis and disease activity monitoring in patients with inflammatory bowel disease: Expert clinical opinion
J. Crohns Colitis, 7 (8), 670-677
DOI 10.1016/j.crohns.2013.02.014

Rolny P, Vatn M (2013)
Cyclosporine in patients with severe steroid refractory ulcerative colitis in the era of infliximab. Review article
Scand. J. Gastroenterol., 48 (2), 131-135
DOI 10.3109/00365521.2012.733954

Thorkildsen LT, Nwosu FC, Avershina E, Ricanek P, Perminow G, Brackmann S, Vatn MH, Rudi K (2013)
Dominant Fecal Microbiota in Newly Diagnosed Untreated Inflammatory Bowel Disease Patients
Gastroenterol. Res. Pract., 2013, 636785
DOI 10.1155/2013/636785

Aamodt G, Bengtson MB, Vatn MH (2013)
Can temperature explain the latitudinal gradient of ulcerative colitis? Cohort of Norway
BMC Public Health, 13, 530
DOI 10.1186/1471-2458-13-530

Publications 2012

Berstad P, Thiis-Evensen E, Vatn MH, Almendingen K (2012)
Fatty Acids in Habitual Diet, Plasma Phospholipids, and Tumour and Normal Colonic Biopsies in Young Colorectal Cancer Patients
J. Oncol., 2012, 254801
DOI 10.1155/2012/254801

Hoivik ML, Moum B, Solberg IC, Cvancarova M, Hoie O, Vatn MH, Bernklev T, IBSEN Study Grp (2012)
Health-related quality of life in patients with ulcerative colitis after a 10-year disease course: Results from the IBSEN study
Inflamm. Bowel Dis., 18 (8), 1540-1549
DOI 10.1002/ibd.21863

Jorgensen KK, Grzyb K, Lundin KEA, Clausen OPF, Aamodt G, Schrumpf E, Vatn MH, Boberg KM (2012)
Inflammatory bowel disease in patients with primary sclerosing cholangitis: Clinical characterization in liver transplanted and nontransplanted patients
Inflamm. Bowel Dis., 18 (3), 536-545
DOI 10.1002/ibd.21699

Jorgensen KK, Lindstrom L, Cvancarova M, Castedal M, Friman S, Schrumpf E, Foss A, Isoniemi H, Nordin A, Holte K, Rasmussen A, Bergquist A, Vatn MH, Boberg KM (2012)
Colorectal neoplasia in patients with primary sclerosing cholangitis undergoing liver transplantation: a Nordic multicenter study
Scand. J. Gastroenterol., 47 (8-9), 1021-1029
DOI 10.3109/00365521.2012.685754

Ricanek P, Lothe SM, Frye SA, Rydning A, Vatn MH, Tonjum T (2012)
Gut bacterial profile in patients newly diagnosed with treatment-naive Crohn's disease
Clin. Exp. Gastroenterol., 5, 173-186
DOI 10.2147/CEG.S33858

Publications 2011

Agesen TH, Berg M, Clancy T, Thiis-Evensen E, Cekaite L, Lind GE, Nesland JM, Bakka A, Mala T, Hauss HJ, Fetveit T, Vatn MH, Hovig E, Nesbakken A, Lothe RA, Skotheim RI (2011)
CLC and IFNAR1 are differentially expressed and a global immunity score is distinct between early- and late-onset colorectal cancer
Genes Immun., 12 (8), 653-662
DOI 10.1038/gene.2011.43

Anderson CA, Boucher G, Lees CW, Franke A, D'Amato M, Taylor KD, Lee JC, Goyette P, Imielinski M, Latiano A, Lagace C, Scott R, Amininejad L, Bumpstead S, Baidoo L, Baldassano RN, Barclay M, Bayless TM, Brand S, Buning C, Colombel JF, Denson LA, De Vos M, Dubinsky M, Edwards C et al. (2011)
Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47
Nature Genet., 43 (3), 246-U94
DOI 10.1038/ng.764

Baumgart DC, Bernstein CN, Abbas Z, Colombel JF, Day AS, D'Haens G, Dotan I, Goh KL, Hibi T, Kozarek RA, Quigley EMM, Reinisch W, Sands BE, Sollano JD, Steinhart H, Steinwurz F, Vatn MH, Yamamoto-Furusho JK (2011)
IBD Around the world: Comparing the epidemiology, diagnosis, and treatment: Proceedings of the World Digestive Health Day 2010 - Inflammatory bowel disease task force meeting
Inflamm. Bowel Dis., 17 (2), 639-644
DOI 10.1002/ibd.21409

Reikvam DH, Perminow G, Lyckander LG, Gran JM, Brandtzaeg P, Vatn M, Carlsen HS (2011)
Increase of regulatory T cells in ileal mucosa of untreated pediatric Crohn's disease patients
Scand. J. Gastroenterol., 46 (5), 550-560
DOI 10.3109/00365521.2011.551887

Ricanek P, Brackmann S, Perminow G, Lyckander LG, Sponheim J, Holme O, Hoie O, Rydning A, Vatn MH, IBSEN II Study Grp (2011)
Evaluation of disease activity in IBD at the time of diagnosis by the use of clinical, biochemical, and fecal markers
Scand. J. Gastroenterol., 46 (9), 1081-1091
DOI 10.3109/00365521.2011.584897

Ricanek P, Rydning A, Vatn MH, Tonjum T (2011)
Considered "negative" for MAP, these results would be very "positive" for tuberculoid leprosy Reply
J. Crohns Colitis, 5 (4), 374
DOI 10.1016/j.crohns.2011.04.007

Publications 2010

Bengtson MB, Solberg IC, Aamodt G, Jahnsen J, Moum B, Vatn MH, IBSEN Study Grp (2010)
Relationships Between Inflammatory Bowel Disease and Perinatal Factors: Both Maternal and Paternal Disease Are Related to Preterm Birth of Offspring
Inflamm. Bowel Dis., 16 (5), 847-855
DOI 10.1002/ibd.21120

Bengtson MB, Aamodt G, Vatn MH, Harris JR (2010)
Concordance for IBD among twins compared to ordinary siblings - A Norwegian population-based study
J. Crohns Colitis, 4 (3), 312-318
DOI 10.1016/j.crohns.2009.12.008

Berg M, Agesen TH, Thiis-Evensen E, Merok MA, Teixeira MR, Vatn MH, Nesbakken A, Skotheim RI, Lothe RA, INFAC-Study Grp (2010)
Distinct high resolution genome profiles of early onset and late onset colorectal cancer integrated with gene expression data identify candidate susceptibility loci
Mol. Cancer, 9, 100
DOI 10.1186/1476-4598-9-100

Berg M, Danielsen SA, Ahlquist T, Merok MA, Agesen TH, Vatn MH, Mala T, Sjo OH, Bakka A, Moberg I, Fetveit T, Mathisen O, Husby A, Sandvik O, Nesbakken A, Thiis-Evensen E, Lothe RA (2010)
DNA Sequence Profiles of the Colorectal Cancer Critical Gene Set KRAS-BRAF-PIK3CA-PTEN-TP53 Related to Age at Disease Onset
PLoS One, 5 (11), e13978
DOI 10.1371/journal.pone.0013978

Bergestuen DS, Edvardsen T, Aakhus S, Ueland T, Oie E, Vatn M, Aukrust P, Thiis-Evensen E (2010)
Activin A in Carcinoid Heart Disease: A Possible Role in Diagnosis and Pathogenesis
Neuroendocrinology, 92 (3), 168-177
DOI 10.1159/000318014

Brackmann S, Aamodt G, Andersen SN, Roald B, Langmark F, Clausen OPF, Aadland E, Fausa O, Rydning A, Vatn MH (2010)
Widespread But Not Localized Neoplasia in Inflammatory Bowel Disease Worsens the Prognosis of Colorectal Cancer
Inflamm. Bowel Dis., 16 (3), 474-481
DOI 10.1002/ibd.21053

Franke A, Balschun T, Sina C, Ellinghaus D, Hasler R, Mayr G, Albrecht M, Wittig M, Buchert E, Nikolaus S, Gieger C, Wichmann HE, Sventoraityte J, Kupcinskas L, Onnie CM, Gazouli M, Anagnou NP, Strachan D, McArdle WL, Mathew CG, Rutgeerts P, Vermeire S, Vatn MH, Krawczak M, Rosenstiel P et al. (2010)
Genome-wide association study for ulcerative colitis identifies risk loci at 7q22 and 22q13 (IL17REL)
Nature Genet., 42 (4), 292-294
DOI 10.1038/ng.553

Hov JR, Keitel V, Laerdahl JK, Spomer L, Ellinghaus E, ElSharawy A, Melum E, Boberg KM, Manke T, Balschun T, Schramm C, Bergquist A, Weismuller T, Gotthardt D, Rust C, Henckaerts L, Onnie CM, Weersma RK, Sterneck M, Teufel A, Runz H, Stiehl A, Ponsioen CY, Wijmenga C, Vatn MH et al. (2010)
Mutational Characterization of the Bile Acid Receptor TGR5 in Primary Sclerosing Cholangitis
PLoS One, 5 (8), e12403
DOI 10.1371/journal.pone.0012403

Perminow G, Beisner J, Koslowski M, Lyckander LG, Stange E, Vatn MH, Wehkamp J (2010)
Defective Paneth Cell-Mediated Host Defense in Pediatric Ileal Crohn's Disease
Am. J. Gastroenterol., 105 (2), 452-459
DOI 10.1038/ajg.2009.643

Ricanek P, Lothe SM, Szpinda I, Jorde AT, Brackmann S, Perminow G, Jorgensen KK, Rydning A, Vatn MH, Tonjum T, IBSEN II Study Grp (2010)
Paucity of mycobacteria in mucosal bowel biopsies from adults and children with early inflammatory bowel disease
J. Crohns Colitis, 4 (5), 561-566
DOI 10.1016/j.crohns.2010.05.003

Rudi K, Berg F, Gaustad E, Tannes T, Vatn M (2010)
Ratios between Alpha-, Beta- and Gamma-proteobacteria in tap water determined by the ProteoQuant assay
Lett. Appl. Microbiol., 50 (1), 1-6
DOI 10.1111/j.1472-765X.2009.02743.x

Sponheim J, Pollheimer J, Olsen T, Balogh J, Hammarstrom C, Loos T, Kasprzycka M, Sorensen DR, Nilsen HR, Kuchler AM, Vatn MH, Haraldsen G (2010)
Inflammatory Bowel Disease-Associated Interleukin-33 Is Preferentially Expressed in Ulceration-Associated Myofibroblasts
Am. J. Pathol., 177 (6), 2804-2815
DOI 10.2353/ajpath.2010.100378

Publications 2009

Almendingen K, Fausa O, Hostmark AT, Bratlie J, Morkerid L, Aabakken L, Vatn MH (2009)
Serum nutrients and habitual dietary intake in colectomized FAP patients in Norway
Eur. J. Nutr., 48 (3), 129-136
DOI 10.1007/s00394-008-0772-1

Bengtson MB, Solberg C, Aamodt G, Jahnsen J, Bjorn M, Sauar J, Vatn MH, Ibsen Study Grp (2009)
Clustering in Time of Familial IBD Separates Ulcerative Colitis from Crohn's Disease
Inflamm. Bowel Dis., 15 (12), 1867-1874
DOI 10.1002/ibd.20978

Bengtson MB, Solberg C, Aamodt G, Sauar J, Jahnsen J, Moum B, Lygren I, Vatn MH, IBSEN Study Grp (2009)
Familial aggregation in Crohn's disease and ulcerative colitis in a Norwegian population-based cohort followed for ten years
J. Crohns Colitis, 3 (2), 92-99
DOI 10.1016/j.crohns.2008.11.002

Bergestuen DS, Aabakken L, Holm K, Vatn M, Thiis-Evensen E (2009)
Small intestinal neuroendocrine tumors: Prognostic factors and survival
Scand. J. Gastroenterol., 44 (9), 1084-1091
DOI 10.1080/00365520903082432

Brackmann S, Andersen SN, Aamodt G, Langmark F, Clausen OPF, Aadland E, Fausa O, Rydning A, Vatn MH (2009)
Relationship between clinical parameters and the colitis-colorectal cancer interval in a cohort of patients with colorectal cancer in inflammatory bowel disease
Scand. J. Gastroenterol., 44 (1), 46-55
DOI 10.1080/00365520801977568

Brackmann S, Andersen SN, Aamodt G, Roald B, Langmark F, Clausen OPF, Aadland E, Fausa O, Rydning A, Vatn MH (2009)
Two Distinct Groups of Colorectal Cancer in Inflammatory Bowel Disease
Inflamm. Bowel Dis., 15 (1), 9-16
DOI 10.1002/ibd.20542

Haugland T, Vatn MH, Veenstra M, Wahl AK, Natvig GK (2009)
Health related quality of life in patients with neuroendocrine tumors compared with the general Norwegian population
Qual. Life Res., 18 (6), 719-726
DOI 10.1007/s11136-009-9487-x

Holme O, Thiis-Evensen E, Vatn MH (2009)
Treatment of fulminant ulcerative colitis with cyclosporine A
Scand. J. Gastroenterol., 44 (11), 1310-1314
DOI 10.3109/00365520903222673

Perminow G, Brackmann S, Lyckander L, Franke A, Borthne A, Rydning A, Aamodt G, Schreiber S, Vatn M, Ibsen-II Grp (2009)
A characterization in childhood inflammatory bowel disease, a new population-based inception cohort from South-Eastern Norway, 2005-07, showing increased incidence in Crohn's disease
Scand. J. Gastroenterol., 44 (4), PII 907312377-456
DOI 10.1080/00365520802647434

Perminow G, Reikvam DH, Lyckander LG, Brandtzaeg P, Vatn MH, Carlsen HS (2009)
Increased Number and Activation of Colonic Macrophages in Pediatric Patients with Untreated Crohn's Disease
Inflamm. Bowel Dis., 15 (9), 1368-1378
DOI 10.1002/ibd.20916

Rudi K, Tannaes T, Vatn M (2009)
Temporal and Spatial Diversity of the Tap Water Microbiota in a Norwegian Hospital
Appl. Environ. Microbiol., 75 (24), 7855-7857
DOI 10.1128/AEM.01174-09

Solberg IC, Lygren I, Cvancarova M, Jahnsen J, Stray N, Sauar J, Schreiber S, Moum B, Vatn MH, IBSEN Study Grp (2009)
Predictive Value of Serologic Markers in a Population-based Norwegian Cohort with Inflammatory Bowel Disease
Inflamm. Bowel Dis., 15 (3), 406-414
DOI 10.1002/ibd.20781

Solberg IC, Lygren I, Jahnsen J, Aadland E, Hoie O, Cvancarova M, Bernklev T, Henriksen M, Sauar J, Vatn M, Moum B, Ibsen Study Grp (2009)
Clinical course during the first 10 years of ulcerative colitis: results from a population-based inception cohort (IBSEN Study)
Scand. J. Gastroenterol., 44 (4), PII 907045459-440
DOI 10.1080/00365520802600961

Vatn MH (2009)
Mucosal Healing: Impact on the Natural Course or Therapeutic Strategies
Dig. Dis., 27 (4), 470-475
DOI 10.1159/000233285

Publications 2008

Ahlquist T, Lind GE, Costa VL, Meling GI, Vatn M, Hoff GS, Rognum TO, Skotheim RI, Thiis-Evensen E, Lothe RA (2008)
Gene methylation profiles of normal mucosa, and benign and malignant colorectal tumors identify early onset markers
Mol. Cancer, 7, 94
DOI 10.1186/1476-4598-7-94

Eike MC, Nordang GBN, Karlsen TH, Boberg KM, Vatn MH, Dahl-Jorgensen K, Ronningen KS, Joner G, Flato B, Bergquist A, Thorsby E, Forre O, Kvien TK, Undlien DE, Lie BA, IBSEN Study Grp (2008)
The FCRL3-169T > C polymorphism is associated with rheumatoid arthritis and shows suggestive evidence of involvement with juvenile idiopathic arthritis in a Scandinavian panel of autoimmune diseases
Ann. Rheum. Dis., 67 (9), 1287-1291
DOI 10.1136/ard.2007.077826

Fjallskog MLH, Janson ET, Falkmer UG, Vatn MH, Oberg KE, Eriksson BK (2008)
Treatment with combined streptozotocin and liposomal doxorubicin in metastatic endocrine pancreatic tumors
Neuroendocrinology, 88 (1), 53-58
DOI 10.1159/000117575

Forli L, Mellbye OJ, Halse J, Bjortuft O, Vatn M, Boe J (2008)
Cytokines, bone turnover markers and weight change in candidates for lung transplantation
Pulm. Pharmacol. Ther., 21 (1), 188-195
DOI 10.1016/j.pupt.2007.02.002

Franke A, Balschun T, Karlsen TH, Sventoraityte J, Nikolaus S, Mayr G, Domingues FS, Albrecht M, Nothnagel M, Ellinghaus D, Sina C, Onnie CM, Weersma RK, Stokkers PCF, Wijmenga C, Gazouli M, Strachan D, McArdle WL, Vermeire S, Rutgeerts P, Rosenstiel P, Krawczak M, Vatn MH, Mathew CG, Schreiber S et al. (2008)
Sequence variants in IL10, ARPC2 and multiple other loci contribute to ulcerative colitis susceptibility
Nature Genet., 40 (11), 1319-1323
DOI 10.1038/ng.221

Geboes K, Colombel JF, Greenstein A, Jewell DP, Sandborn WJ, Vatn MH, Warren B, Riddell RH, Pathol Task Force IOIBD (2008)
Indeterminate colitis: A review of the concept what's in a name?
Inflamm. Bowel Dis., 14 (6), 850-857
DOI 10.1002/ibd.20361

Henriksen M, Jahnsen J, Lygren I, Stray N, Sauar J, Vatn MH, Moum B, IBSEN Study Grp (2008)
C-reactive protein: a predictive factor and marker of inflammation in inflammatory bowel disease. Results from a prospective population-based study
Gut, 57 (11), 1518-1523
DOI 10.1136/gut.2007.146357

Hoie O, Aamodt G, Vermeire S, Bernklev T, Odes S, Wolters FL, Riis L, Politi P, Tsianos EV, Butron M, Stockbrugger RW, Munkholm P, Vatn M, Moum B, European Collaborative Study Grp (2008)
Serological markers are associated with disease course in ulcerative colitis. A study in an unselected population-based cohort followed for 10 years
J. Crohns Colitis, 2 (2), 114-122
DOI 10.1016/j.crohns.2007.10.001

Vatn MH (2008)
How Do You Judge Relapse in Crohn's Disease?
Inflamm. Bowel Dis., 14, S253-S254
DOI 10.1002/ibd.20706

Aamodt G, Bukholm G, Jahnsen J, Moum B, Vatn MH, IBSEN Study Grp (2008)
The Association Between Water Supply and Inflammatory Bowel Disease Based on a 1990-1993 Cohort Study in Southeastern Norway
Am. J. Epidemiol., 168 (9), 1065-1072
DOI 10.1093/aje/kwn218

Aamodt G, Jahnsen J, Bengtson MB, Moum B, Vatn MH, IBSEN Study Grp (2008)
Geographic distribution and ecological studies of inflammatory bowel disease in southeastern Norway in 1990-1993
Inflamm. Bowel Dis., 14 (7), 984-991
DOI 10.1002/ibd.20417

Publications 2007

Almendingen K, Hostmark AT, Fausa O, Mosdol A, Aabakken L, Vatn MH (2007)
Familial adenomatous polyposis patients have high levels of arachidonic acid and docosahexaenoic acid and low levels of linoleic acid and alpha-linolenic acid in serum phospholipids
Int. J. Cancer, 120 (3), 632-637
DOI 10.1002/ijc.22337

Franke A, Rosenstiel P, Balschun T, von Kampen O, Schreiber S, Sina C, Hampe J, Karlsen TH, Vatn MH, Solberg C, IBSEN Study Grp (2007)
No association between the TUCAN (CARD8) Cys10Stop mutation and inflammatory bowel disease in a large retrospective German and a clinically well-characterized Norwegian sample
Gastroenterology, 132 (5), 2080-2081
DOI 10.1053/j.gastro.2007.03.087

Froslie KF, Jahnsen J, Moum BA, Vatn MH, IBSEN Grp (2007)
Mucosal healing in inflammatory bowel disease: Results from a Norwegian population-based cohort
Gastroenterology, 133 (2), 412-422
DOI 10.1053/j.gastro.2007.05.051

Henriksen M, Jahnsen J, Lygren I, Vatn MH, Moum B, IBSEN Study Grp (2007)
Are there any differences in phenotype or disease course between familial and sporadic cases of inflammatory bowel disease? Results of a population-based follow-up study
Am. J. Gastroenterol., 102 (9), 1955-1963
DOI 10.1111/j.1572-0241.2007.01368.x

Henriksen M, Jahnsen J, Lygren I, Aadland E, Schulz T, Vatn MH, Moum B, IBSE Study Grp (2007)
Clinical course in Crohn's disease: Results of a five-year population-based follow-up study (the IBSEN study)
Scand. J. Gastroenterol., 42 (5), 602-610
DOI 10.1080/00365520601076124

Hoie O, Schouten LJ, Wolters FL, Solberg IC, Riis L, Mouzas IA, Politi P, Odes S, Langholz E, Vatn M, Stockbrugger RW, Moum B, EC IBD (2007)
Ulcerative colitis: no rise in mortality in a European-wide population based cohort 10 years after diagnosis
Gut, 56 (4), 497-503
DOI 10.1136/gut.2006.101519

Hoie O, Wolters F, Riis L, Aamodt G, Solberg C, Bernklev T, Odes S, Mouzas IA, Beltrami M, Langholz E, Stockbrugger R, Vatn M, Moum B, EC IBD Study Grp (2007)
Ulcerative colitis: Patient characteristics may predict 10-yr disease recurrence in a European-wide population-based cohort
Am. J. Gastroenterol., 102 (8), 1692-1701
DOI 10.1111/j.1572-0241.2007.01265.x

Hoie O, Wolters FL, Riis L, Bernklev T, Aamodt G, Clofent J, Tsianos E, Beltrami M, Odes S, Munkholm P, Vatn M, Stockbrugger RW, Moum B, European Collaborative Study (2007)
Low colectomy rates in ulcerative colitis in an unselected European cohort followed for 10 years
Gastroenterology, 132 (2), 507-515
DOI 10.1053/j.gastro.2006.11.015

Karlsen T, Boberg K, Vatn M, Bergquist A, Hampe J, Schrumpf E, Thorsby E, Schreiber S, Lie BA, IBSEN study grp (2007)
Different HLA class II associations in ulcerative colitis patients with and without primary sclerosing cholangitis
Genes Immun., 8 (3), 275-278
DOI 10.1038/sj.gene.6364377

Katsanos KH, Vermeire S, Christodoulou DK, Riis L, Wolters F, Odes S, Freitas J, Hoie O, Marina B, Fornaciari G, Clofent J, Bodini P, Vatn M, Nunes PB, Moum B, Munkholm P, Limonard C, Stockbrugger R, Rutgeerts P, Tsianos EV, EC-IBD Study Grp (2007)
Dysplasia and cancer in inflammatory bowel disease 10 years after diagnosis: Results of a population-based European collaborative follow-up study
Digestion, 75 (2-3), 113-121
DOI 10.1159/000104731

Ljung T, Thomsen OO, Vatn M, Karlen P, Karlsen LN, Tysk C, Nilsson SU, Kilander A, Gillberg R, Grip O, Lindgren S, Befrits R, Lofberg R (2007)
Granulocyte, monocyte/macrophage apheresis for inflammatory bowel disease: The first 100 patients treated in Scandinavia
Scand. J. Gastroenterol., 42 (2), 221-227
DOI 10.1080/00365520600979369

Odes S, Friger M, Vardi H, Claessens G, Bossuyt X, Riis L, Munkholm P, Wolters F, Yona H, Hoie O, Beltrami M, Tsianos E, Katsanos K, Mouzas I, Clofent J, Monteiro E, Messori A, Politi P, O'Morain C, Limonard C, Russel M, Vatn M, Moum B, Stockbrugger R, Vermeire S (2007)
Role of ASCA and the NOD2/CARD15 mutation Gly908Arg in predicting increased surgical costs in Crohn's disease patients: A project of the European Collaborative Study Group on Inflammatory Bowel Disease
Inflamm. Bowel Dis., 13 (7), 874-881
DOI 10.1002/ibd.20122

Odes S, Vardi H, Friger M, Wolters F, Hoie O, Moum B, Bernklev T, Yona H, Russel M, Munkholm P, Langholz E, Riis L, Politi P, Bondini P, Tsianos E, Katsanos K, Clofent J, Vermeire S, Freitas J, Mouzas L, Limonard C, O'Morain C, Monteiro E, Fornaciari G, Vatn M et al. (2007)
Effect of phenotype on health care costs in Crohn's disease: A European study using the Montreal classification
J. Crohns Colitis, 1 (2), 87-96
DOI 10.1016/j.crohns.2007.08.004

Solberg IC, Vatn MH, Hoie O, Stray N, Sauar J, Jahnsen J, Moum B, Lygren I, IBSEN Study Grp (2007)
Clinical course in Crohn's disease: Results of a Norwegian population-based ten-year follow-up study
Clin. Gastroenterol. Hepatol., 5 (12), 1430-1438
DOI 10.1016/j.cgh.2007.09.002

Wolters FL, Joling C, Russel MG, Sijbrandij J, De Bruin M, Odes S, Riis L, Munkholm P, Bodini P, Ryan B, O'Morain C, Mouzas IA, Tsianos E, Vermeire S, Monteiro E, Limonard C, Vatn M, Fornaciari G, Rodriguez D, Groot W, Moum B, Stockbrugger RW, EC-IBD (2007)
Treatment inferred disease severity in Crohn's disease: Evidence for a European gradient of disease course
Scand. J. Gastroenterol., 42 (3), 333-344
DOI 10.1080/00365520600930750

Publications 2006

Amundsen SS, Vatn M, Wijmenga C, Sollid LM, Lie BA, IBSEN Study Grp (2006)
Association analysis of MYO9B gene polymorphisms and inflammatory bowel disease in a Norwegian cohort
Tissue Antigens, 68 (3), 249-252
DOI 10.1111/j.1399-0039.2006.00665.x

Bengtson MB, Ronning T, Vatn MH, Harris JR (2006)
Irritable bowel syndrome in twins: genes and environment
Gut, 55 (12), 1754-1759
DOI 10.1136/gut.2006.097287

Bernklev T, Jahnsen J, Henriksen M, Lygren I, Aadland E, Sauar J, Schulz T, Stray N, Vatn M, Moum B (2006)
Relationship between sick leave, unemployment, disability, and health-related quality of life in patients with inflammatory bowel disease
Inflamm. Bowel Dis., 12 (5), 402-412
DOI 10.1097/01.MIB.0000218762.61217.4a

Bowlus CL, Karlsen TH, Broome U, Thorsby E, Vatn M, Schrumpf E, Lie BA, Boberg KM, IBSEN study grp (2006)
Analysis of MAdCAM-1 and ICAM-1 polymorphisms in 365 Scandinavian patients with primary sclerosing cholangitis
J. Hepatol., 45 (5), 704-710
DOI 10.1016/j.jhep.2006.03.012

Forli L, Moum T, Bjortuft O, Vatn M, Boe J (2006)
The influence of underweight and dietary support on well-being in lung transplant candidates
Respir. Med., 100 (7), 1239-1246
DOI 10.1016/j.rmed.2005.10.016

Henriksen M, Jahnsen J, Lygren I, Sauar J, Kjellevold O, Schulz T, Vatn MH, Moum B, IBSEN Study Grp (2006)
Ulcerative colitis and clinical course: Results of a 5-year population-based follow-up study (The IBSEN study)
Inflamm. Bowel Dis., 12 (7), 543-550
DOI 10.1097/01.MIB.0000225339.91484.fc

Henriksen M, Jahnsen J, Lygren I, Sauar J, Schulz T, Stray N, Vatn MH, Moum B, IBSEN Study Grp (2006)
Change of diagnosis during the first five years after onset of inflammatory bowel disease: Results of a prospective follow-up study (the IBSEN Study)
Scand. J. Gastroenterol., 41 (9), 1037-1043
DOI 10.1080/00365520600554527

Odes S, Vardi H, Friger M, Wolters F, Russel MG, Riis L, Munkholm P, Politi P, Tsianos E, Clofent J, Vermeire S, Monteiro E, Mouzas A, Fornaciari G, Sijbrandij J, Limonard C, Van Zeijl G, O'Morain C, Moum B, Vatn M, Stockbrugger R, European Collaborative Study Infla (2006)
Cost analysis and cost determinants in a European inflammatory bowel disease inception cohort with 10 years of follow-up evaluation
Gastroenterology, 131 (3), 719-728
DOI 10.1053/j.gastro.2006.05.052

Odes S, Vardi H, Friger M, Wolters F, Russel MG, Riis L, Munkholm P, Politi P, Tsianos E, Clofent J, Vermeire S, Monteiro E, Mouzas I, Fornaciari G, Sijbrandij J, Limonard C, Van ZG, O'Morain C, Moum B, Vatn M, Stockbrugger R (2006)
Cost analysis and cost determinants in a European inflammatory bowel disease inception cohort with 10 years of follow-up evaluation. (vol 131, pg 719, 2006)
Gastroenterology, 131 (6), 2029

Perminow G, Frigessi A, Rydning A, Nakstad B, Vatn MH (2006)
Incidence and clinical presentation of IBD in children: Comparison between prospective and retrospective data in a selected Norwegian population
Scand. J. Gastroenterol., 41 (12), 1433-1439
DOI 10.1080/00365520600789891

Thiis-Evensen E, Seip B, Vatn MH, Hoff GS (2006)
Impact of a colonoscopic screening examination for colorectal cancer on later utilization of distal GI endoscopies
Gastrointest. Endosc., 64 (6), 948-954
DOI 10.1016/j.gie.2006.08.006

Wolters FL, Russel MG, Sijbrandij J, Schouten LJ, Odes S, Riis L, Munkholm P, Bodini P, O'Morain C, Mouzas IA, Tsianos E, Vermeire S, Monteiro E, Limonard C, Vatn M, Fornaciari G, Pereira S, Moum B, Stockbrugger RW, EC-IBD Grp (2006)
Crohn's disease: increased mortality 10 years after diagnosis in a Europe-wide population based cohort
Gut, 55 (4), 510-518
DOI 10.1136/gut.2005.072793

Wolters FL, Russel MG, Sijbrandij J, Schouten LJ, Odes S, Riis L, Munkholm P, Langholz E, Bodin P, O'Morain C, Katsanos K, Tsianos E, Vermeire S, Van Zeijl G, Limonard C, Hoie O, Vatn M, Moum B, Stockbrugger RW, European Collaborative Study Grp (2006)
Disease outcome of inflammatory bowel disease patients: General outline of a Europe-wide population-based 10-year clinical follow-up study
Scand. J. Gastroenterol., 41 243, 46-54
DOI 10.1080/00365520600664250

Publications 2005

Almendingen K, Brevik A, Nymoen DA, Hilmarsen HT, Andresen PA, Andersen LF, Vatn M (2005)
Modulation of COX-2 expression in peripheral blood cells by increased intake of fruit and vegetables?
Eur. J. Clin. Nutr., 59 (4), 597-602
DOI 10.1038/sj.ejcn.1602110

Bernklev T, Jahnsen J, Lygren I, Henriksen M, Vatn M, Moum B (2005)
Health-related quality of life in patients with inflammatory bowel disease measured with the short form-36: Psychometric assessments and a comparison with general population norms
Inflamm. Bowel Dis., 11 (10), 909-918
DOI 10.1097/01.mib.0000179467.01748.99

Bernklev T, Jahnsen J, Schulz T, Sauar J, Lygren I, Henriksen M, Stray N, Kjellevold O, Aadland E, Vatn M, Moum B (2005)
Course of disease, drug treatment and health-related quality of life in patients with inflammatory bowel disease 5 years after initial diagnosis
Eur. J. Gastroenterol. Hepatol., 17 (10), 1037-1045
DOI 10.1097/00042737-200510000-00006

Forli L, Mellbye OJ, Bjortuft O, Vatn M, Kofstad J, Boe J (2005)
Systemic inflammation and weight gain in underweight patients with advanced pulmonary disease
Nutr. Res., 25 (2), 119-131
DOI 10.1016/j.nutres.2004.12.001

Schoon EJ, Bollani S, Mills PR, Israeli E, Felsenberg D, Ljunghall S, Persson T, Hapten-White L, Graffner H, Porro GB, Vatn M, Stockbrugger RW, Matrix Study Grp (2005)
Bone mineral density in relation to efficacy and side effects of budesonide and prednisolone in Crohn's disease
Clin. Gastroenterol. Hepatol., 3 (2), 113-121
DOI 10.1016/S1542-3565(04)00662-7

Publications 2004

Bernklev T, Jahnsen J, Aadland E, Sauar J, Schulz T, Lygren I, Henriksen M, Stray N, Kjellevold O, Vatn M, Moum B, IBSEN Study Grp (2004)
Health-related quality of life in patients with inflammatory bowel disease five years after the initial diagnosis
Scand. J. Gastroenterol., 39 (4), 365-373
DOI 10.1080/00365520310008386

Bernklev T, Jahnsen J, Aadland E, Sauar J, Schulz T, Lygren I, Henriksen M, Stray N, Kjellevold O, Vatn MH, Moum B (2004)
Health-related quality of life in patients with inflammatory bowel disease five years after the inital diagnosis
In Scandinavian journal of gastroenterology, Taylor & Francis, Basingstoke, 39(2004)4, s. 365-73
BIBSYS 051773643

Forli L, Halse J, Haug E, Bjortuft O, Vatn M, Kofstad J, Boe J (2004)
Vitamin D deficiency, bone mineral density and weight in patients with advanced pulmonary disease
J. Intern. Med., 256 (1), 56-62
DOI 10.1111/j.1365-2796.2004.01337.x

Førli L, Halse J, Haug E, Bjørtuft O, Vatn MH, Kofstad J, Boe J (2004)
Vitamin D deiciency, bone mineral density and weight in patients advanced pulmonary disease
In Journal of internal medicine, Blackwell Scientific Publ., Oxford, 256(2004)1, S. 56-62
BIBSYS 051783517

Smout AJPM, Azpiroz F, Brummer RJ, Coremans G, Dapoigny M, Muller-Lissner SA, Pace F, Stockbrugger RM, Vatn M, Whorwell PJ (2004)
Technologies in the evaluation of irritable bowel syndrome
Digestion, 69 (3), 158-165
DOI 10.1159/000078185

Wiencke K, Louka AS, Spurkland A, Vatn M, Schrumpf E, Boberg KM, IBSEN study grp (2004)
Association of matrix metalloproteinase-1 and-3 promoter polymorphisms with clinical subsets of Norwegian primary sclerosing cholangitis patients
J. Hepatol., 41 (2), 209-214
DOI 10.1016/j.jhep.2004.04.024

Publications 2003

Bernklev T, Henriksen M, Jahnsen J, Lygren I, Sauar J, Stary N, Kjellevold O, Aadland E, Vatn MH, Moum B (2003)
Health related quality of life five years after diagnosisin a prospective follow up study of patients with inflammatory bowel disease
In Gut, British Medical Association, London, 52(2003)suppl 6, s.A40
BIBSYS 041729900

Bernklev T, Moum B, Jahnsen J, Vatn MH (2003)
Variables influencing health related quality of life in patients with inflammatory bowel disease
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A20 abstrakt S1399
BIBSYS 041729730

Bernklev T, Moum B, Jahnsen J, Vatn MH (2003)
Variables influencing health related quality of life (HRQOL) in patients with inflammatory bowel disease (IBD)
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A218 abstrakt S1439
BIBSYS 041729781

Dapoigny M, Stockbrugger RW, Azpiroz F, Collins S, Coremans G, Muller-Lissner S, Oberndorff A, Pace F, Smout A, Vatn M, Whorwell P (2003)
Role of alimentation in irritable bowel syndrome
Digestion, 67 (4), 225-233
DOI 10.1159/000072061

Lovig T, Thorstensen L, Hofstad B, Andersen SN, Clausen OPF, Vatn M, Lothe RA, Rognum TO (2003)
Genetic and protein markers related to in situ growth and multiplicity in small sporadic colorectal adenomas
Scand. J. Gastroenterol., 38 (3), 298-306
DOI 10.1080/00365520310000618

Laake KO, Line PD, Aabakken T, Lotveit A, Bakka A, Eide J, Røseth AG, Grzyb K, Bjørnklett A, Vatn MH (2003)
Assessment of mucosal inflammation and circulation in response to probiotics om patients operated with ileal pouch anal anastomosis for ulcerative colitis
In Scandinavian journal of gastroenterology, Taylor & Francis, Basingstoke, 38(2003)4, s.409-14
BIBSYS 041719425

Moum B, Jahnsen J, Vatn MH, Bernklev T (2003)
Familial occurence og IBD in Ulcerative colitis and Crohn's disease patients and the significance of this for disease behaviour
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A210 abstract S1400
BIBSYS 041734653

Publications 2002

Hampe J, Grebe J, Nikolaus S, Solberg C, Croucher PJ, Mascheretti S, Jahnsen J, Moum B, Klump M, Krawczak M, Mirza MM, Foelsch UR, Vatn MH, Schreiber S (2002)
Association of NOD2 (CARD 15) genotype with clinical course of Crohn's disease: a cohort study
In Lancet, Lancet Ltd., London, 359(2002)nr 9318, s. 1661-1665
BIBSYS 031255922

Hampe J, Grebe J, Nikolaus S, Solberg C, Croucher PJP, Mascheretti S, Jahnsen J, Moum B, Klump B, Krawczak M, Mirza MM, Foelsch UR, Vatn M, Schreiber S (2002)
Association of NOD2 (CARD 15) genotype with clinical course of Crohn's disease: a cohort study
Lancet, 359 (9318), 1661-1665
DOI 10.1016/S0140-6736(02)08590-2

Hoff G, Thiis-Evensen E, Vatn M (2002)
Screening for sporadic colorectal cancer
Endoscopy, 34 (6), 508
DOI 10.1055/s-2002-31993

International Budesonide-Mesalazine Study Group, Thomsen OØ, Cortot A, Jewell DP, Wright JP, Winter T, Veloso FT, Vatn MH, Petterson E (2002)
Budesonide and mesalazine in active Crohn's disease: a comparison of the effects on quality of life
In American journal of gastroenterology, Elsevier, New York, 97(2002)nr 3, s.649-653
BIBSYS 031373143

Thomsen OO, Cortot A, Jewell D, Wright JP, Winter T, Veloso FT, Vatn M, Persson T, Pettersson E, Int Budesonide-Mesalazine Study Gr (2002)
Budesonide and Mesalazine in active Crohn's disease: A comparison of the effects on quality of life
Am. J. Gastroenterol., 97 (3), PII S0002-9270(01)04106-5-653

Publications 2001

Forli L, Bjortuft O, Vatn M, Kofstad J, Boe J (2001)
A study of intensified dietary support in underweight candidates for lung transplantation
Ann. Nutr. Metab., 45 (4), 159-168
DOI 10.1159/000046724

Forli L, Pedersen JI, Bjortuft O, Vatn M, Boe J (2001)
Dietary support to underweight patients with end-stage pulmonary disease assessed for lung transplantation
Respiration, 68 (1), 51-57
DOI 10.1159/000050463

Publications 2000

Blomhoff S, Spetalen S, Jacobsen MB, Vatn M, Malt UF (2000)
Rectal tone and brain information processing in irritable bowel syndrome
Dig. Dis. Sci., 45 (6), 1153-1159
DOI 10.1023/A:1005550002622

Blomhoff S, Spetalen S, Jacobsen MB, Vatn M, Malt UF (2000)
Intestinal reactivity to words with emotional content and brain information processing in irritable bowel syndrome
Dig. Dis. Sci., 45 (6), 1160-1165
DOI 10.1023/A:1005502119461

Campieri M, Cohen Z, Griffiths A, Ejderhamm J, Lofberg R, Rutgeerts P, Sachar D, Tremaine W, Vatn M (2000)
Session II and III panel discussion
Drugs Today, 36 G, 93-101

Forli L, Pedersen JI, Bjortuft O, Vatn M, Kofstad J, Boe J (2000)
Serum amino acids in relation to nutritional status, lung function and energy intake in patients with advanced pulmonary disease
Respir. Med., 94 (9), 868-874
DOI 10.1053/rmed.2000.0830

Lofberg R, Cohen Z, Cortot A, Ejderhamm J, Gomollon F, Graffner H, Griffiths A, Lobo A, Rutgeerts P, Sachar D, Stange E, Tremaine W, Vatn M (2000)
Case presentation: Extensive colorectal Crohn's disease
Drugs Today, 36 G, 121-128

Smout AA, Azpiroz F, Coremans G, Dapoigny M, Collins S, Muller-Lissner S, Pace F, Stockbrugger R, Vatn M, Whorwell P (2000)
Potential pitfalls in the differential diagnosis of irritable bowel syndrome
Digestion, 61 (4), 247-256
DOI 10.1159/000007765

Vatn M, Cohen Z, Cortot A, Lobo A, Rutgeerts P, Sachar D, Tremaine W (2000)
Case presentation: Postoperative prophylaxis
Drugs Today, 36 G, 115-119

Publications 1998

Forli L, Oppedal B, Skjelle K, Vatn M (1998)
Validation of a self-administered form for recording food intake in hospital patients
Eur. J. Clin. Nutr., 52 (12), 929-933
DOI 10.1038/sj.ejcn.1600667

Hofstad B, Almendingen K, Vatn M, Andersen SN, Owen RW, Larsen S, Osnes M (1998)
Growth and recurrence of colorectal polyps: A double-blind 3-year intervention with calcium and antioxidants
Digestion, 59 (2), 148-156
DOI 10.1159/000007480

Thomsen OO, Cortot A, Jewell D, Wright JP, Winter T, Veloso FT, Vatn M, Persson T, Pettersson E, Int Budesonide Mesalamine Study Grp (1998)
A comparison of budesonide and mesalamine for active Crohn's disease
N. Engl. J. Med., 339 (6), 370-374
DOI 10.1056/NEJM199808063390603

Publications 1996

Shivananda S, LennardJones J, Logan R, Fear N, Price A, Carpenter L, vanBlankenstein M, Bjornsson S, Johannsson JH, Oddsson E, Moum B, Vatn M, Aadland E, Fausa O, Lygren I, Sauar J, Schulz T, Stray N, Stave R, Langholz E, Binder V, Vedtofte P, Sonne J, Collins R, OMorain C et al. (1996)
Incidence of inflammatory bowel disease across Europe: Is there a difference between north and south? Results of the European collaborative study on inflammatory bowel disease (EC-IBD)
Gut, 39 (5), 690-697
DOI 10.1136/gut.39.5.690

Publications 1995

BOBERG KM, BRINCH L, VATN M (1995)
CROHN DISEASE AND THE MYELODYSPLASTIC SYNDROME
Ann. Intern. Med., 122 (5), 395
DOI 10.7326/0003-4819-122-5-199503010-00023

HOFSTAD B, VATN M (1995)
SMALL COLORECTAL POLYPS - REPLY
Scand. J. Gastroenterol., 30 (3), 288

LOTHE RA, ANDERSEN SN, HOFSTAD B, MELING GI, PELTOMAKI P, HEIM S, BROGGER A, VATN M, ROGNUM TO, BORRESEN AL (1995)
DELETION OF IP LOCI AND MICROSATELLITE INSTABILITY IN COLORECTAL POLYPS
Gene Chromosomes Cancer, 14 (3), 182-188
DOI 10.1002/gcc.2870140305

Publications 1994

HOFSTAD B, VATN M, LARSEN S, HUITFELDT HS, OSNES M (1994)
IN-SITU MEASUREMENT OF COLORECTAL POLYPS TO COMPARE VIDEO AND FIBEROPTIC ENDOSCOPES
Endoscopy, 26 (5), 461-465
DOI 10.1055/s-2007-1009004

HOFSTAD B, VATN M, LARSEN S, OSNES M (1994)
GROWTH OF COLORECTAL POLYPS - RECOVERY AND EVALUATION OF UNRESECTED POLYPS OF LESS-THAN 10 MM, 1 YEAR AFTER DETECTION
Scand. J. Gastroenterol., 29 (7), 640-645
DOI 10.3109/00365529409092485

Publications 1992

HOFSTAD B, VATN M, LARSEN S, OSNES M (1992)
RELIABILITY OF INSITU MEASUREMENTS OF COLORECTAL POLYPS
Scand. J. Gastroenterol., 27 (1), 59-64
DOI 10.3109/00365529209011168

Publications 1988

HOFF G, MOEN IE, TRYGG K, FROLICH W, FOERSTER A, VATN M, SAUAR J, LARSEN S (1988)
COLORECTAL ADENOMAS AND FOOD - A PROSPECTIVE-STUDY OF CHANGE IN VOLUME AND TOTAL MASS OF ADENOMAS IN MAN
Scand. J. Gastroenterol., 23 (10), 1253-1258
DOI 10.3109/00365528809090201

Publications 1987

AADLAND E, FAUSA O, VATN M, COHEN H, QUINLAN D (1987)
PROTECTION BY MISOPROSTOL AGAINST NAPROXEN-INDUCED GASTRIC-MUCOSAL DAMAGE
Am. J. Med., 83 (1A), 37-40
DOI 10.1016/0002-9343(87)90577-8

Publications 1986

HOFF G, MOEN IE, TRYGG K, FROLICH W, SAUAR J, VATN M, GJONE E, LARSEN S (1986)
EPIDEMIOLOGY OF POLYPS IN THE RECTUM AND SIGMOID COLON - EVALUATION OF NUTRITIONAL FACTORS
Scand. J. Gastroenterol., 21 (2), 199-204
DOI 10.3109/00365528609034647

Publications 1985

HOFF G, VATN M (1985)
EPIDEMIOLOGY OF POLYPS IN THE RECTUM AND SIGMOID COLON - ENDOSCOPIC EVALUATION OF SIZE AND LOCALIZATION OF POLYPS
Scand. J. Gastroenterol., 20 (3), 356-360
DOI 10.3109/00365528509091664

HOFF G, VATN M, GJONE E, LARSEN S, SAUAR J (1985)
EPIDEMIOLOGY OF POLYPS IN THE RECTUM AND SIGMOID COLON - DESIGN OF A POPULATION SCREENING STUDY
Scand. J. Gastroenterol., 20 (3), 351-355
DOI 10.3109/00365528509091663

Publications 1974

Vatn MH (1974)
Studies on the regulation of gastric intrinsic factor secretion in man
Research laboratory of gastroenterology, Department IX, Internal Medicine, Ullevål University Hospital, Oslo, 1 b. (flere pag.)
BIBSYS 991371801