Michael Bretthauer

  • Professor
  • +47-22850541
 

Publications 2019

Adami HO, Kalager M, Valdimarsdottir U, Bretthauer M, Ioannidis JPA (2019)
Author Reply to: The name of the game: Is preventive screening "cancer screening?"
Eur J Clin Invest, 49 (6), UNSP e13097
DOI 10.1111/eci.13097, PubMed 30829396

Adami HO, Kalager M, Valdimarsdottir U, Bretthauer M, Ioannidis JPA (2019)
Time to abandon early detection cancer screening
Eur J Clin Invest, 49 (3), e13062
DOI 10.1111/eci.13062, PubMed 30565674

Bleijenberg A, Klotz D, Løberg M, Dekker E, Adami HO, Kuipers EJ, Holme Ø, Kalager M, Emilsson L, Kleist B, Løvdal L, Regula J, Løberg EM, IJspeert J, Bretthauer M (2019)
Implications of different guidelines for surveillance after serrated polyp resection in United States of America and Europe
Endoscopy (in press)
DOI 10.1055/a-0916-8598, PubMed 31195423

Bretthauer M, Kalager M, Weinberg DS (2019)
From Colorectal Cancer Screening Guidelines to Headlines: Beware!
Ann Intern Med, 170 (10), 734
DOI 10.7326/L19-0086, PubMed 31108525

Bugajski M, Wieszczy P, Pisera M, Rupinski M, Hoff G, Huppertz-Hauss G, Regula J, Bretthauer M, Kaminski MF (2019)
Effectiveness of digital feedback on patient experience and 30-day complications after screening colonoscopy: a randomized health services study
Endosc Int Open, 7 (4), E537-E544
DOI 10.1055/a-0830-4648, PubMed 31041371

García-Albéniz X, Hsu J, Bretthauer M, Hernán MA (2019)
Estimating the Effect of Preventive Services with Databases of Administrative Claims: Reasons to Be Concerned
Am J Epidemiol (in press)
DOI 10.1093/aje/kwz049, PubMed 30869122

Hassan C, East J, Radaelli F, Spada C, Benamouzig R, Bisschops R, Bretthauer M, Dekker E, Dinis-Ribeiro M, Ferlitsch M, Fuccio L, Awadie H, Gralnek I, Jover R, Kaminski MF, Pellisé M, Triantafyllou K, Vanella G, Mangas-Sanjuan C, Frazzoni L, Van Hooft JE, Dumonceau JM (2019)
Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2019
Endoscopy (in press)
DOI 10.1055/a-0959-0505, PubMed 31295746

Hoff G, Botteri E, Høie O, Garborg K, Wiig H, Huppertz-Hauss G, Moritz V, Bretthauer M, Holme Ø (2019)
Polyp detection rates as quality indicator in clinical versus screening colonoscopy
Endosc Int Open, 7 (2), E195-E202
DOI 10.1055/a-0796-6477, PubMed 30705953

Hoff G, de Lange T, Bretthauer M, Dahler S, Halvorsen FA, Huppertz-Hauss G, Høie O, Kjellevold Ø, Mortiz V, Sandvei P, Seip B, Holme Ø (2019)
Registration bias in a clinical quality register
Endosc Int Open, 7 (1), E90-E98
DOI 10.1055/a-0806-7006, PubMed 30652120

Holme Ø, Bretthauer M, Løberg M, Kalager M, Adami HO (2019)
Author Reply to Letter to the Editor "Cancer survivors: surveillance or not surveillance?" by D. Santeufemia and G. Miolo
Ann Oncol (in press)
DOI 10.1093/annonc/mdz190, PubMed 31198953

Holme Ø, Bretthauer M, Løberg M, Kalager M, Adami HO (2019)
Revisiting surveillance schemes for cancer survivors
Ann Oncol (in press)
DOI 10.1093/annonc/mdz107, PubMed 30895293

Randel KR, Botteri E, Romstad KMK, Frigstad SO, Bretthauer M, Hoff G, de Lange T, Holme Ø (2019)
Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer Screening
Gastroenterology, 156 (6), 1642-1649.e1
DOI 10.1053/j.gastro.2019.01.040, PubMed 30689972

Spada C, McNamara D, Despott EJ, Adler S, Cash BD, Fernández-Urién I, Ivekovic H, Keuchel M, McAlindon M, Saurin JC, Panter S, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Valori R, Bisschops R, Rutter MD (2019)
Performance measures for small-bowel endoscopy: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
United European Gastroenterol J, 7 (5), 614-641
DOI 10.1177/2050640619850365, PubMed 31210941

Spada C, McNamara D, Despott EJ, Adler S, Cash BD, Fernández-Urién I, Ivekovic H, Keuchel M, McAlindon M, Saurin JC, Panter S, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Valori R, Bisschops R, Rutter MD (2019)
Performance measures for small-bowel endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 51 (6), 574-598
DOI 10.1055/a-0889-9586, PubMed 31075800

Publications 2018

Bretthauer M (2018)
Screening for melanoma is a bad idea
Tidsskr. Nor. Laegeforen., 138 (17), 1589

Bretthauer M (2018)
Screening for melanoma is a poor idea
Tidsskr Nor Laegeforen, 138 (17)
DOI 10.4045/tidsskr.18.0600, PubMed 30378406

Bretthauer M, Goderstad JM, Løberg M, Emilsson L, Ye W, Adami HO, Kalager M (2018)
Uterine morcellation and survival in uterine sarcomas
Eur J Cancer, 101, 62-68
DOI 10.1016/j.ejca.2018.06.007, PubMed 30025231

Bretthauer M, Kalager M (2018)
When no guideline recommendation is the best recommendation
Lancet, 392 (10151), 898-899
DOI 10.1016/S0140-6736(18)31671-4, PubMed 30238877

Bretthauer M, Kalager M, Weinberg DS (2018)
From Colorectal Cancer Screening Guidelines to Headlines: Beware!
Ann Intern Med, 169 (6), 405-406
DOI 10.7326/M18-1720, PubMed 29987330

Domagk D, Oppong KW, Aabakken L, Czakó L, Gyökeres T, Manes G, Meier P, Poley JW, Ponchon T, Tringali A, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Hassan C, Kaminski MF, Dinis-Ribeiro M, Rees CJ, Spada C, Valori R, Bisschops R, Rutter MD (2018)
Performance measures for endoscopic retrograde cholangiopancreatography and endoscopic ultrasound: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
United European Gastroenterol J, 6 (10), 1448-1460
DOI 10.1177/2050640618808157, PubMed 30574315

Domagk D, Oppong KW, Aabakken L, Czakó L, Gyökeres T, Manes G, Meier P, Poley JW, Ponchon T, Tringali A, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Hassan C, Kaminski MF, Dinis-Ribeiro M, Rees CJ, Spada C, Valori R, Bisschops R, Rutter MD (2018)
Performance measures for ERCP and endoscopic ultrasound: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 50 (11), 1116-1127
DOI 10.1055/a-0749-8767, PubMed 30340220

Halvorsen JA, Løberg M, Gjersvik P, Roscher I, Veierød MB, Robsahm TE, Nilsen LTN, Kalager M, Bretthauer M (2018)
Why a randomized melanoma screening trial is not a good idea
Br J Dermatol, 179 (2), 532-533
DOI 10.1111/bjd.16784, PubMed 29893490

Holme Ø, Løberg M, Kalager M, Bretthauer M, Hernán MA, Aas E, Eide TJ, Skovlund E, Lekven J, Schneede J, Tveit KM, Vatn M, Ursin G, Hoff G, NORCCAP Study Group† (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), 775-782
DOI 10.7326/M17-1441, PubMed 29710125

Holme Ø, Løberg M, Kalager M, Bretthauer M, Hoff G (2018)
Long-Term Effectiveness of Sigmoidoscopy Screening in Women and Men
Ann Intern Med, 169 (9), 663-664
DOI 10.7326/L18-0512, PubMed 30398636

Holme Ø, Pedersen IB, Medhus AW, Aabakken L, Glomsaker T, Kvamme JM, Løberg M, Bretthauer M, Seip B, Kjellevold Ø, Jørgensen A, Furholm S, Hoff G, de Lange T (2018)
Endoscopy assistants influence the quality of colonoscopy
Endoscopy, 50 (9), 871-877
DOI 10.1055/s-0044-101706, PubMed 29444529

Jodal HC, Løberg M, Holme Ø, Adami HO, Bretthauer M, Emilsson L, Ransohoff DF, Hoff G, Kalager M (2018)
Mortality From Postscreening (Interval) Colorectal Cancers Is Comparable to That From Cancer in Unscreened Patients-A Randomized Sigmoidoscopy Trial
Gastroenterology, 155 (6), 1787-1794.e3
DOI 10.1053/j.gastro.2018.08.035, PubMed 30165051

Juul FE, Garborg K, Bretthauer M, Skudal H, Øines MN, Wiig H, Rose Ø, Seip B, Lamont JT, Midtvedt T, Valeur J, Kalager M, Holme Ø, Helsingen L, Løberg M, Adami HO (2018)
Fecal Microbiota Transplantation for Primary Clostridium difficile Infection
N Engl J Med, 378 (26), 2535-2536
DOI 10.1056/NEJMc1803103, PubMed 29860912

Kalager M, Wieszczy P, Lansdorp-Vogelaar I, Corley DA, Bretthauer M, Kaminski MF (2018)
Overdiagnosis in Colorectal Cancer Screening: Time to Acknowledge a Blind Spot
Gastroenterology, 155 (3), 592-595
DOI 10.1053/j.gastro.2018.07.037, PubMed 30076834

Pedersen IB, Løberg M, Hoff G, Kalager M, Bretthauer M, Holme Ø (2018)
Polypectomy techniques among gastroenterologists in Norway - a nationwide survey
Endosc Int Open, 6 (7), E812-E820
DOI 10.1055/a-0607-0727, PubMed 29977999

Pinsky PF, Loberg M, Senore C, Wooldrage K, Atkin W, Bretthauer M, Cross AJ, Hoff G, Holme O, Kalager M, Segnan N, Schoen RE (2018)
Number of Adenomas Removed and Colorectal Cancers Prevented in Randomized Trials of Flexible Sigmoidoscopy Screening
Gastroenterology, 155 (4), 1059-1068.e2
DOI 10.1053/j.gastro.2018.06.040, PubMed 29935150

Valori R, Cortas G, de Lange T, Balfaqih OS, de Pater M, Eisendrath P, Falt P, Koruk I, Ono A, Rustemović N, Schoon E, Veitch A, Senore C, Bellisario C, Minozzi S, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Spada C, Bisschops R, Rutter M (2018)
Performance measures for endoscopy services: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 50 (12), 1186-1204
DOI 10.1055/a-0755-7515, PubMed 30423593

Valori R, Cortas G, de Lange T, Salem Balfaqih O, de Pater M, Eisendrath P, Falt P, Koruk I, Ono A, Rustemović N, Schoon E, Veitch A, Senore C, Bellisario C, Minozzi S, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Spada C, Bisschops R, Rutter M (2018)
Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative
United European Gastroenterol J, 7 (1), 21-44
DOI 10.1177/2050640618810242, PubMed 30788114

Publications 2017

Brandrud AS, Bretthauer M, Brattebø G, Pedersen MJ, Håpnes K, Møller K, Bjorge T, Nyen B, Strauman L, Schreiner A, Haldorsen GS, Bergli M, Nelson E, Morgan TS, Hjortdahl P (2017)
Local emergency medical response after a terrorist attack in Norway: a qualitative study
BMJ Qual Saf, 26 (10), 806-816
DOI 10.1136/bmjqs-2017-006517, PubMed 28676492

Brandrud AS, Nyen B, Hjortdahl P, Sandvik L, Helljesen Haldorsen GS, Bergli M, Nelson EC, Bretthauer M (2017)
Domains associated with successful quality improvement in healthcare - a nationwide case study
BMC Health Serv Res, 17 (1), 648
DOI 10.1186/s12913-017-2454-2, PubMed 28903723

Bretthauer M (2017)
[Data sharing]
Tidsskr Nor Laegeforen, 137 (10), 738
DOI 10.4045/tidsskr.17.0366, PubMed 28551975

Bretthauer M (2017)
Right and correct package
Tidsskr. Nor. Laegeforen., 137 (17), 1264

Bretthauer M (2017)
[Correct and proper critical pathway]
Tidsskr Nor Laegeforen, 137 (17)
DOI 10.4045/tidsskr.17.0510, PubMed 28925233

Bretthauer M, Adami HO (2017)
Doubt
Tidsskr. Nor. Laegeforen., 137 (20), 1577-1578

Bretthauer M, Adami HO (2017)
Zweifel
Tidsskr Nor Laegeforen, 137 (20)
DOI 10.4045/tidsskr.17.0875, PubMed 29094556

Bretthauer M, Dinis-Ribeiro M, Siersema PD (2017)
Foreword
Endoscopy, 49 (3), 213
DOI 10.1055/s-0043-102442, PubMed 28249316

Bretthauer M, Kaminski MF, Emilsson L, Adami HO (2017)
Uppföljning efter polypektomi: riktlinjer, tro och evidens
Lakartidningen, 114
PubMed 28696487

Bretthauer M, Vandvik PO, Skjeldestad FE, Frich JC, de Lange T, Loberg M (2017)
New specialist education for doctors- from Swiss cheese to Kraftkar?
Tidsskr. Nor. Laegeforen., 137 (17), 1270-1271

Bretthauer M, Vandvik PO, Skjeldestad FE, Frich JC, Lange T, Løberg M (2017)
[New specialist training for physicians - from Swiss cheese to strongman?]
Tidsskr Nor Laegeforen, 137 (17)
DOI 10.4045/tidsskr.17.0637, PubMed 28925200

Emilsson L, Løberg M, Bretthauer M, Holme Ø, Fall K, Jodal HC, Adami HO, Kalager M (2017)
Colorectal cancer death after adenoma removal in Scandinavia
Scand J Gastroenterol, 52 (12), 1377-1384
DOI 10.1080/00365521.2017.1377763, PubMed 28906163

Garborg K, de Lange T, Bretthauer M (2017)
Quality Indicators in Colonoscopy
Curr Treat Options Gastroenterol, 15 (3), 416-428
DOI 10.1007/s11938-017-0140-4, PubMed 28702775

García-Albéniz X, Hsu J, Bretthauer M, Hernán MA (2017)
Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years
Ann Intern Med, 166 (10), 758-759
DOI 10.7326/L17-0138, PubMed 28505646

Hoff G, de Lange T, Bretthauer M, Buset M, Dahler S, Halvorsen FA, Halwe JM, Heibert M, Høie O, Kjellevold Ø, Moritz V, Sandvei P, Seip B, Aabakken L, Holme Ø (2017)
Patient-reported adverse events after colonoscopy in Norway
Endoscopy, 49 (8), 745-753
DOI 10.1055/s-0043-105265, PubMed 28445903

Hoff G, Holme Ø, Bretthauer M, Sandvei P, Darre-Næss O, Stallemo A, Wiig H, Høie O, Noraberg G, Moritz V, de Lange T (2017)
Cecum intubation rate as quality indicator in clinical versus screening colonoscopy
Endosc Int Open, 5 (6), E489-E495
DOI 10.1055/s-0043-106180, PubMed 28573182

Holme Ø, Løberg M, Bretthauer M, Kalager M (2017)
Authors' reply to Doherty and Hawkins
BMJ, 356, j1267
DOI 10.1136/bmj.j1267, PubMed 28283482

Holme Ø, Schoen RE, Senore C, Segnan N, Hoff G, Løberg M, Bretthauer M, Adami HO, Kalager M (2017)
Effectiveness of flexible sigmoidoscopy screening in men and women and different age groups: pooled analysis of randomised trials
BMJ, 356, i6673
DOI 10.1136/bmj.i6673, PubMed 28087510

Kaminski MF, Thomas-Gibson S, Bugajski M, Bretthauer M, Rees CJ, Dekker E, Hoff G, Jover R, Suchanek S, Ferlitsch M, Anderson J, Roesch T, Hultcranz R, Racz I, Kuipers EJ, Garborg K, East JE, Rupinski M, Seip B, Bennett C, Senore C, Minozzi S, Bisschops R, Domagk D, Valori R et al. (2017)
Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 49 (4), 378-397
DOI 10.1055/s-0043-103411, PubMed 28268235

Kaminski MF, Thomas-Gibson S, Bugajski M, Bretthauer M, Rees CJ, Dekker E, Hoff G, Jover R, Suchanek S, Ferlitsch M, Anderson J, Roesch T, Hultcranz R, Racz I, Kuipers EJ, Garborg K, East JE, Rupinski M, Seip B, Bennett C, Senore C, Minozzi S, Bisschops R, Domagk D, Valori R et al. (2017)
Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative
United European Gastroenterol J, 5 (3), 309-334
DOI 10.1177/2050640617700014, PubMed 28507745

Lange T, Randel KR, Schult AL, Knudsen MD, Kirkøen B, Botteri E, Berstad P, Jørgensen A, Ursin G, Bretthauer M, Hoff G (2017)
Sigmoidoscopy and faecal occult blood test - a comparative screening trial
Tidsskr Nor Laegeforen, 137 (10), 727-730
DOI 10.4045/tidsskr.16.1031, PubMed 28551972

Løberg M, Holme Ø, Bretthauer M, Kalager M (2017)
Colorectal adenomas, surveillance, and cancer
Lancet Oncol, 18 (8), e427
DOI 10.1016/S1470-2045(17)30473-4, PubMed 28759374

Olsen SE, Bretthauer M, Kalager M (2017)
More harm than benefit - how much should the patients know? Reply
Tidsskr. Nor. Laegeforen., 137 (9), 599

Olsen SE, Bretthauer M, Kalager M (2017)
S.E. Olsen og medarbeidere svarer
Tidsskr Nor Laegeforen, 137 (9), 599
DOI 10.4045/tidsskr.17.0296, PubMed 28468459

Olsen SE, Bretthauer M, Kalager M (2017)
[More harm than benefit - how much should the patients know?]
Tidsskr Nor Laegeforen, 137 (3), 175-176
DOI 10.4045/tidsskr.16.0954, PubMed 28181749

Øines M, Helsingen LM, Bretthauer M, Emilsson L (2017)
Epidemiology and risk factors of colorectal polyps
Best Pract Res Clin Gastroenterol, 31 (4), 419-424
DOI 10.1016/j.bpg.2017.06.004, PubMed 28842051

Publications 2016

Adami HO, Bretthauer M, Emilsson L, Hernán MA, Kalager M, Ludvigsson JF, Ekbom A (2016)
The continuing uncertainty about cancer risk in inflammatory bowel disease
Gut, 65 (6), 889-93
DOI 10.1136/gutjnl-2015-311003, PubMed 27008845

Adami HO, Csermely P, Veres DV, Emilsson L, Løberg M, Bretthauer M, Kalager M (2016)
Are rapidly growing cancers more lethal?
Eur J Cancer, 72, 210-214
DOI 10.1016/j.ejca.2016.11.011, PubMed 28042992

Berstad P, Botteri E, Larsen IK, Løberg M, Kalager M, Holme Ø, Bretthauer M, Hoff G (2016)
Lifestyle changes at middle age and mortality: a population-based prospective cohort study
J Epidemiol Community Health, 71 (1), 59-66
DOI 10.1136/jech-2015-206760, PubMed 27312250

Bisschops R, Areia M, Coron E, Dobru D, Kaskas B, Kuvaev R, Pech O, Ragunath K, Weusten B, Familiari P, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Senore C, Dinis-Ribeiro M, Rutter MD (2016)
Performance measures for upper gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 48 (9), 843-64
DOI 10.1055/s-0042-113128, PubMed 27548885

Bisschops R, Areia M, Coron E, Dobru D, Kaskas B, Kuvaev R, Pech O, Ragunath K, Weusten B, Familiari P, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Senore C, Dinis-Ribeiro M, Rutter MD (2016)
Performance measures for upper gastrointestinal endoscopy: A European Society of Gastrointestinal Endoscopy quality improvement initiative
United European Gastroenterol J, 4 (5), 629-656
DOI 10.1177/2050640616664843, PubMed 27733906

Bretthauer M, Hem E (2016)
[M. Bretthauer & E. Hem reply]
Tidsskr Nor Laegeforen, 136 (1), 10
DOI 10.4045/tidsskr.15.1307, PubMed 26757645

Bretthauer M, Hem E (2016)
Circumcision of boys Reply
Tidsskr. Nor. Laegeforen., 136 (1), 10

Bretthauer M, Kalager M, Adami HO, Hoff G (2016)
Who Is for CO2? Slow Adoption of Carbon Dioxide Insufflation in Colonoscopy
Ann Intern Med, 165 (2), 145-6
DOI 10.7326/M16-0209, PubMed 27159139

Bretthauer M, Kaminski MF, Hassan C, Kalager M, Holme Ø, Hoff G, Løberg M, Regula J, Castells A, Adami HO (2016)
America, We Are Confused: The Updated U.S. Preventive Services Task Force Recommendation on Colorectal Cancer Screening
Ann Intern Med, 166 (2), 139-140
DOI 10.7326/M16-1805, PubMed 27820949

Bretthauer M, Kaminski MF, Løberg M, Zauber AG, Regula J, Kuipers EJ, Hernán MA, McFadden E, Sunde A, Kalager M, Dekker E, Lansdorp-Vogelaar I, Garborg K, Rupinski M, Spaander MC, Bugajski M, Høie O, Stefansson T, Hoff G, Adami HO, Nordic-European Initiative on Colorectal Cancer (NordICC) Study Group (2016)
Population-Based Colonoscopy Screening for Colorectal Cancer: A Randomized Clinical Trial
JAMA Intern Med, 176 (7), 894-902
DOI 10.1001/jamainternmed.2016.0960, PubMed 27214731

Bretthauer M, Schei E (2016)
[Not Available]
Tidsskr Nor Laegeforen, 136 (1), 24-6
DOI 10.4045/tidsskr.15.1257, PubMed 26757655

Bretthauer M, Aabakken L, Dekker E, Kaminski MF, Rösch T, Hultcrantz R, Suchanek S, Jover R, Kuipers EJ, Bisschops R, Spada C, Valori R, Domagk D, Rees C, Rutter MD, ESGE Quality Improvement Committee (2016)
Reporting systems in gastrointestinal endoscopy: Requirements and standards facilitating quality improvement: European Society of Gastrointestinal Endoscopy position statement
United European Gastroenterol J, 4 (2), 172-6
DOI 10.1177/2050640616629079, PubMed 27087943

Bretthauer M, Aabakken L, Dekker E, Kaminski MF, Rösch T, Hultcrantz R, Suchanek S, Jover R, Kuipers EJ, Bisschops R, Spada C, Valori R, Domagk D, Rees C, Rutter MD, ESGE Quality Improvement Committee (2016)
Requirements and standards facilitating quality improvement for reporting systems in gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
Endoscopy, 48 (3), 291-4
DOI 10.1055/s-0042-100186, PubMed 26841269

Dinis-Ribeiro M, Bretthauer M, Siersema PD (2016)
Endoscopy again supports Colorectal Cancer Awareness Month
Endoscopy, 48 (3), 209
DOI 10.1055/s-0042-102468, PubMed 26906311

Emilsson L, Holme Ø, Bretthauer M, Cook NR, Buring JE, Løberg M, Adami HO, Sesso HD, Gaziano MJ, Kalager M (2016)
Systematic review with meta-analysis: the comparative effectiveness of aspirin vs. screening for colorectal cancer prevention
Aliment Pharmacol Ther, 45 (2), 193-204
DOI 10.1111/apt.13857, PubMed 27859394

Garborg K, Bretthauer M (2016)
Cecal intubation failure: Refer or change technique?
Gastrointest Endosc, 83 (6), 1245-7
DOI 10.1016/j.gie.2015.12.014, PubMed 27206588

Garborg K, Wiig H, Hasund A, Matre J, Holme Ø, Noraberg G, Løberg M, Kalager M, Adami HO, Bretthauer M (2016)
Gradual stiffness versus magnetic imaging-guided variable stiffness colonoscopes: A randomized noninferiority trial
United European Gastroenterol J, 5 (1), 128-133
DOI 10.1177/2050640616639162, PubMed 28405331

García-Albéniz X, Hsu J, Bretthauer M, Hernán MA (2016)
Effectiveness of Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years: A Prospective Observational Study
Ann Intern Med, 166 (1), 18-26
DOI 10.7326/M16-0758, PubMed 27669524

García-Albéniz X, Hsu J, Lipsitch M, Bretthauer M, Logan RW, Hernández-Díaz S, Hernán MA (2016)
Colonoscopy and Risk of Infective Endocarditis in the Elderly
J Am Coll Cardiol, 68 (5), 570-571
DOI 10.1016/j.jacc.2016.05.041, PubMed 27470461

Gjøstein DK, Bretthauer M, Løberg M (2016)
[Not Available]
Tidsskr Nor Laegeforen, 136 (16), 1326-7
DOI 10.4045/tidsskr.16.0690, PubMed 27637038

Gjøstein DK, Huitfeldt A, Løberg M, Adami HO, Garborg K, Kalager M, Bretthauer M (2016)
Incentives and participation in a medical survey
Tidsskr Nor Laegeforen, 136 (12-13), 1082-7
DOI 10.4045/tidsskr.15.1096, PubMed 27381786

Holme Ø, Bretthauer M (2016)
Pain and sedation during colonoscopy - a never ending story
Endosc Int Open, 4 (5), E538-9
DOI 10.1055/s-0042-106085, PubMed 27227111

Holme Ø, de Lange T, Stallemo A, Wiig H, Hasund A, Dvergsnes K, Garborg K, Ystrøm CM, Løberg M, Hoff G, Bretthauer M, Kalager M (2016)
Routine vs. on-demand analgesia in colonoscopy: a randomized clinical trial
Endoscopy, 48 (9), 823-8
DOI 10.1055/s-0042-108433, PubMed 27305424

Jover R, Bretthauer M, Dekker E, Holme Ø, Kaminski MF, Løberg M, Zauber AG, Hernán MA, Lansdorp-Vogelaar I, Sunde A, McFadden E, Castells A, Regula J, Quintero E, Pellisé M, Senore C, Kalager M, Dinis-Ribeiro M, Emilsson L, Ransohoff DF, Hoff G, Adami HO (2016)
Rationale and design of the European Polyp Surveillance (EPoS) trials
Endoscopy, 48 (6), 571-8
DOI 10.1055/s-0042-104116, PubMed 27042931

Kalager M, Adami HO, Bretthauer M (2016)
Recognizing Data Generation
N Engl J Med, 374 (19), 1898
DOI 10.1056/NEJMc1603789, PubMed 27096437

Kaminski MF, Bretthauer M (2016)
Cancer surveillance in gastroenterology practice
Best Pract Res Clin Gastroenterol, 30 (6), 853-854
DOI 10.1016/j.bpg.2016.10.016, PubMed 27938780

Løberg M, Kalager M, Bretthauer M (2016)
Commentary: "Randomize, Then Consent" or "Consent, Then Randomize"?: Revitalizing the Issue of Preconsent Randomization
Epidemiology, 27 (3), 393-4
DOI 10.1097/EDE.0000000000000469, PubMed 26849639

Rees CJ, Bevan R, Zimmermann-Fraedrich K, Rutter MD, Rex D, Dekker E, Ponchon T, Bretthauer M, Regula J, Saunders B, Hassan C, Bourke MJ, Rösch T (2016)
Expert opinions and scientific evidence for colonoscopy key performance indicators
Gut, 65 (12), 2045-2060
DOI 10.1136/gutjnl-2016-312043, PubMed 27802153

Rees CJ, Ngu WS, Regula J, Bisschops R, Saftoiu A, Dekker E, Gralnek I, Ciocirlan M, Dinis-Ribeiro M, Jover R, Meisner S, Spada C, Hassan C, Valori R, Hucl T, Le Moine O, Domagk D, Kaminski MF, Bretthauer M, Rutter MD, Aabakken L, Ponchon T, Fockens P, Siersema PD (2016)
European Society of Gastrointestinal Endoscopy - Establishing the key unanswered research questions within gastrointestinal endoscopy
Endoscopy, 48 (10), 884-891
DOI 10.1055/s-0042-110398, PubMed 27485483

Publications 2015

Bretthauer M, Hem E (2015)
[Circumcision of boys]
Tidsskr Nor Laegeforen, 135 (21), 1926-7
DOI 10.4045/tidsskr.15.0756, PubMed 26577316

Bretthauer M, Hem E (2015)
Circumcision of boys Reply
Tidsskr. Nor. Laegeforen., 135 (23-24), 2130

Bretthauer M, Hem E (2015)
[M. Bretthauer & E. Hem reply]
Tidsskr Nor Laegeforen, 135 (23-24), 2130
DOI 10.4045/tidsskr.15.1254, PubMed 26674025

Bretthauer M, Kalager M, Adami HO (2015)
Do's and don'ts in evaluation of endoscopic screening for gastrointestinal cancers
Endoscopy, 48 (1), 75-80
DOI 10.1055/s-0034-1393094, PubMed 26382306

Bretthauer M, Siersema PD (2015)
More adenomas - less cancer? Advanced imaging in colonoscopy
Endoscopy, 47 (5), 396-7
DOI 10.1055/s-0034-1391864, PubMed 25910007

Garborg K, Kaminski MF, Bretthauer M (2015)
Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: less is more Reply
Endoscopy, 47 (10), 959

Garborg K, Kaminski MF, Bretthauer M (2015)
Reply to Ishaq et al
Endoscopy, 47 (10), 959
DOI 10.1055/s-0034-1392409, PubMed 26417975

Hassan C, Repici A, Sharma P, Correale L, Zullo A, Bretthauer M, Senore C, Spada C, Bellisario C, Bhandari P, Rex DK (2015)
Efficacy and safety of endoscopic resection of large colorectal polyps: a systematic review and meta-analysis
Gut, 65 (5), 806-20
DOI 10.1136/gutjnl-2014-308481, PubMed 25681402

Kaminski MF, Anderson J, Valori R, Kraszewska E, Rupinski M, Pachlewski J, Wronska E, Bretthauer M, Thomas-Gibson S, Kuipers EJ, Regula J (2015)
Leadership training to improve adenoma detection rate in screening colonoscopy: a randomised trial
Gut, 65 (4), 616-24
DOI 10.1136/gutjnl-2014-307503, PubMed 25670810

Løberg M, Lousdal ML, Bretthauer M, Kalager M (2015)
Benefits and harms of mammography screening
Breast Cancer Res, 17, 63
DOI 10.1186/s13058-015-0525-z, PubMed 25928287

Moritz V, Bretthauer M, Holme Ø, Wang Fagerland M, Løberg M, Glomsaker T, de Lange T, Seip B, Sandvei P, Hoff G (2015)
Time trends in quality indicators of colonoscopy
United European Gastroenterol J, 4 (1), 110-20
DOI 10.1177/2050640615570147, PubMed 26966531

Robertson DJ, Kaminski MF, Bretthauer M (2015)
Effectiveness, training and quality assurance of colonoscopy screening for colorectal cancer
Gut, 64 (6), 982-90
DOI 10.1136/gutjnl-2014-308076, PubMed 25804631

Rutter MD, Senore C, Bisschops R, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Bellisario C, Minozzi S, Hassan C, Rees C, Dinis-Ribeiro M, Hucl T, Ponchon T, Aabakken L, Fockens P (2015)
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
United European Gastroenterol J, 4 (1), 30-41
DOI 10.1177/2050640615624631, PubMed 26966520

Rutter MD, Senore C, Bisschops R, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Bellisario C, Minozzi S, Hassan C, Rees C, Dinis-Ribeiro M, Hucl T, Ponchon T, Aabakken L, Fockens P (2015)
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
Endoscopy, 48 (1), 81-9
DOI 10.1055/s-0035-1569580, PubMed 26662057

Spada C, Stoker J, Alarcon O, Barbaro F, Bellini D, Bretthauer M, De Haan MC, Dumonceau JM, Ferlitsch M, Halligan S, Helbren E, Hellstrom M, Kuipers EJ, Lefere P, Mang T, Neri E, Petruzziello L, Plumb A, Regge D, Taylor SA, Hassan C, Laghi A (2015)
Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline
Eur Radiol, 25 (2), 331-45
DOI 10.1007/s00330-014-3435-z, PubMed 25278245

Swanson SA, Holme Ø, Løberg M, Kalager M, Bretthauer M, Hoff G, Aas E, Hernán MA (2015)
Bounding the per-protocol effect in randomized trials: an application to colorectal cancer screening
Trials, 16, 541
DOI 10.1186/s13063-015-1056-8, PubMed 26620120

Publications 2014

Berstad P, Løberg M, Larsen IK, Kalager M, Holme Ø, Botteri E, Bretthauer M, Hoff G (2014)
Long-term lifestyle changes after colorectal cancer screening: randomised controlled trial
Gut, 64 (8), 1268-76
DOI 10.1136/gutjnl-2014-307376, PubMed 25183203

Bretthauer M, Brandrud AS (2014)
Endoscopy training: time to stop counting procedures?
Gut, 63 (11), 1686-7
DOI 10.1136/gutjnl-2014-306765, PubMed 24604824

Bretthauer M, Loberg M, Kalager M (2014)
Long-Term Colorectal-Cancer Mortality after Adenoma Removal REPLY
N. Engl. J. Med., 371 (21), 2035-2036

Bretthauer M, Løberg M, Kalager M (2014)
Long-term colorectal-cancer mortality after adenoma removal
N Engl J Med, 371 (21), 2036-7
DOI 10.1056/NEJMc1411954, PubMed 25409378

Garborg K, Kaminski MF, Lindenburger W, Wiig H, Hasund A, Wronska E, Bie RB, Kleist B, Løvdal L, Holme Ø, Kalager M, Hoff G, Bretthauer M (2014)
Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: a multicenter randomized controlled trial
Endoscopy, 47 (3), 192-9
DOI 10.1055/s-0034-1390795, PubMed 25412093

Gjersvik P, Hem E, Jacobsen GW, Bretthauer M (2014)
[P. Gjersvik and colleagues reply]
Tidsskr Nor Laegeforen, 134 (12-13), 1215
DOI 10.4045/tidsskr.14.0744, PubMed 24989185

Gjersvik P, Hem E, Jacobsen GW, Bretthauer M (2014)
[What should non-inferiority studies be called in Norwegian?]
Tidsskr Nor Laegeforen, 134 (8), 852-3
DOI 10.4045/tidsskr.14.0059, PubMed 24780988

Hem E, Gjersvik P, Bretthauer M (2014)
[Comparative effectiveness research]
Tidsskr Nor Laegeforen, 134 (14), 1374
DOI 10.4045/tidsskr.14.0485, PubMed 25096435

Hoff G, Bretthauer M, Garborg K, Eide TJ (2014)
[Consensus-based guidelines may prevent necessary research]
Tidsskr Nor Laegeforen, 134 (2), 148-9
DOI 10.4045/tidsskr.13.1313, PubMed 24477144

Holme Ø, Bretthauer M, Eide TJ, Løberg EM, Grzyb K, Løberg M, Kalager M, Adami HO, Kjellevold Ø, Hoff G (2014)
Long-term risk of colorectal cancer in individuals with serrated polyps
Gut, 64 (6), 929-36
DOI 10.1136/gutjnl-2014-307793, PubMed 25399542

Holme Ø, Løberg M, Kalager M, Bretthauer M, Hernán MA, Aas E, Eide TJ, Skovlund E, Schneede J, Tveit KM, Hoff G (2014)
Effect of flexible sigmoidoscopy screening on colorectal cancer incidence and mortality: a randomized clinical trial
JAMA, 312 (6), 606-15
DOI 10.1001/jama.2014.8266, PubMed 25117129

Jodal HC, Reyes YD, Roksund G, Bretthauer M (2014)
[Implementation of guidelines for PSA testing in general practice]
Tidsskr Nor Laegeforen, 134 (21), 2032-4
DOI 10.4045/tidsskr.14.0982, PubMed 25387926

Kalager M, Adami HO, Bretthauer M (2014)
Too much mammography
BMJ, 348, g1403
DOI 10.1136/bmj.g1403, PubMed 24519765

Kalager M, Løberg M, Bretthauer M, Adami HO (2014)
Comparative analysis of breast cancer mortality following mammography screening in Denmark and Norway
Ann Oncol, 25 (6), 1137-43
DOI 10.1093/annonc/mdu122, PubMed 24669012

Leitao K, Grimstad T, Bretthauer M, Holme Ø, Paulsen V, Karlsen L, Isaksen K, Cvancarova M, Aabakken L (2014)
Polyethylene glycol vs sodium picosulfate/magnesium citrate for colonoscopy preparation
Endosc Int Open, 2 (4), E230-4
DOI 10.1055/s-0034-1377520, PubMed 26135098

Løberg M, Kalager M, Holme Ø, Hoff G, Adami HO, Bretthauer M (2014)
Long-term colorectal-cancer mortality after adenoma removal
N Engl J Med, 371 (9), 799-807
DOI 10.1056/NEJMoa1315870, PubMed 25162886

Spada C, Stoker J, Alarcon O, Barbaro F, Bellini D, Bretthauer M, De Haan MC, Dumonceau JM, Ferlitsch M, Halligan S, Helbren E, Hellstrom M, Kuipers EJ, Lefere P, Mang T, Neri E, Petruzziello L, Plumb A, Regge D, Taylor SA, Hassan C, Laghi A, European Society of Gastrointestinal Endoscopy, European Society of Gastrointestinal and Abdominal Radiology (2014)
Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline
Endoscopy, 46 (10), 897-915
DOI 10.1055/s-0034-1378092, PubMed 25268304

van Dam L, Bretthauer M (2014)
Ethical issues in colorectal cancer screening
Best Pract Res Clin Gastroenterol, 28 (2), 315-26
DOI 10.1016/j.bpg.2014.03.002, PubMed 24810192

Publications 2013

Bretthauer M, Holme Ø, Garborg K (2013)
Computed tomography colonography vs. colonoscopy for colorectal cancer screening: close call, but not closed case
Endoscopy, 45 (3), 159-60
DOI 10.1055/s-0032-1326208, PubMed 23446666

Bretthauer M, Kalager M (2013)
Principles, effectiveness and caveats in screening for cancer
Br J Surg, 100 (1), 55-65
DOI 10.1002/bjs.8995, PubMed 23212620

Fossmark R, Bretthauer M, Gustafsson BI (2013)
[Who should perform endoscopies?]
Tidsskr Nor Laegeforen, 133 (11), 1171
DOI 10.4045/tidsskr.13.0625, PubMed 23759774

Garborg K, Holme Ø, Løberg M, Kalager M, Adami HO, Bretthauer M (2013)
Current status of screening for colorectal cancer
Ann Oncol, 24 (8), 1963-72
DOI 10.1093/annonc/mdt157, PubMed 23619033

Hassan C, Bretthauer M, Kaminski MF, Polkowski M, Rembacken B, Saunders B, Benamouzig R, Holme O, Green S, Kuiper T, Marmo R, Omar M, Petruzziello L, Spada C, Zullo A, Dumonceau JM, European Society of Gastrointestinal Endoscopy (2013)
Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) guideline
Endoscopy, 45 (2), 142-50
DOI 10.1055/s-0032-1326186, PubMed 23335011

Hoff G, Bretthauer M, Garborg K, Eide TJ (2013)
New polyps, old tricks: controversy about removing benign bowel lesions
BMJ, 347, f5843
DOI 10.1136/bmj.f5843, PubMed 24103540

Holme O, Bretthauer M, de Lange T, Seip B, Huppertz-Hauss G, Høie O, Sandvei P, Ystrøm CM, Hoff G (2013)
Risk stratification to predict pain during unsedated colonoscopy: results of a multicenter cohort study
Endoscopy, 45 (9), 691-6
DOI 10.1055/s-0033-1344239, PubMed 23884794

Holme Ø, Bretthauer M, Fretheim A, Odgaard-Jensen J, Hoff G (2013)
Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals
Cochrane Database Syst Rev (9), CD009259
DOI 10.1002/14651858.CD009259.pub2, PubMed 24085634

Holme Ø, Moritz V, Bretthauer M, Seip B, Glomsaker T, de Lange T, Aabakken L, Stallemo A, Høie O, Dahler S, Sandvei PK, Stray N, Ystrøm CM, Hoff G (2013)
[Pain in connection with colonoscopy in Norway]
Tidsskr Nor Laegeforen, 133 (10), 1074-8
DOI 10.4045/tidsskr.12.1467, PubMed 23712171

Kalager M, Løberg M, Fønnebø VM, Bretthauer M (2013)
Failure to account for selection-bias
Int J Cancer, 133 (11), 2751-3
DOI 10.1002/ijc.28244, PubMed 23649899

Kuipers EJ, Rösch T, Bretthauer M (2013)
Colorectal cancer screening--optimizing current strategies and new directions
Nat Rev Clin Oncol, 10 (3), 130-42
DOI 10.1038/nrclinonc.2013.12, PubMed 23381005

Thiis-Evensen E, Kalager M, Bretthauer M, Hoff G (2013)
Long-term effectiveness of endoscopic screening on incidence and mortality of colorectal cancer: A randomized trial
United European Gastroenterol J, 1 (3), 162-8
DOI 10.1177/2050640613483290, PubMed 24917955

Vandvik PO, Bretthauer M, Kongerud IC (2013)
From clinical questions to trustworthy answers
Tidsskr Nor Laegeforen, 133 (15), 1611-4
DOI 10.4045/tidsskr.13.0650, PubMed 23970279

Publications 2012

Ahmed D, Danielsen SA, Aagesen TH, Bretthauer M, Thiis-Evensen E, Hoff G, Rognum TO, Nesbakken A, Lothe RA, Lind GE (2012)
A tissue-based comparative effectiveness analysis of biomarkers for early detection of colorectal tumors
Clin Transl Gastroenterol, 3, e27
DOI 10.1038/ctg.2012.21, PubMed 23324654

Berstad P, Løberg M, Kalager M, Jørgensen A, Garborg K, Ruud HK, Bretthauer M, Hoff G (2012)
Risk stratification for advanced colorectal neoplasia--letter
Cancer Prev Res (Phila), 5 (12), 1405; author reply 1406
DOI 10.1158/1940-6207.CAPR-12-0383, PubMed 23151804

Bretthauer M, Hoff G (2012)
Comparative effectiveness research in cancer screening programmes
BMJ, 344, e2864
DOI 10.1136/bmj.e2864, PubMed 22628002

Bretthauer M, Kalager M (2012)
Colonoscopy as a triage screening test
N Engl J Med, 366 (8), 759-60
DOI 10.1056/NEJMe1114639, PubMed 22356330

Bretthauer M, Kalager M (2012)
Colorectal-Cancer Screening Reply
N. Engl. J. Med., 366 (22), 2131

European Colorectal Cancer Screening Guidelines Working Group, von Karsa L, Patnick J, Segnan N, Atkin W, Halloran S, Lansdorp-Vogelaar I, Malila N, Minozzi S, Moss S, Quirke P, Steele RJ, Vieth M, Aabakken L, Altenhofen L, Ancelle-Park R, Antoljak N, Anttila A, Armaroli P, Arrossi S, Austoker J, Banzi R, Bellisario C, Blom J, Brenner H et al. (2012)
European guidelines for quality assurance in colorectal cancer screening and diagnosis: overview and introduction to the full supplement publication
Endoscopy, 45 (1), 51-9
DOI 10.1055/s-0032-1325997, PubMed 23212726

Garborg K, Bretthauer M (2012)
Can old dogs learn new tricks?
J Interv Gastroenterol, 2 (3), 126-127
DOI 10.4161/jig.23733, PubMed 23805392

Garborg KK, Løberg M, Matre J, Holme O, Kalager M, Hoff G, Bretthauer M (2012)
Reduced pain during screening colonoscopy with an ultrathin colonoscope: a randomized controlled trial
Endoscopy, 44 (8), 740-6
DOI 10.1055/s-0032-1309755, PubMed 22622786

Hoff G, Moritz V, Bretthauer M, Aabakken L, Berset IP, Glomsaker T, Høie O, de Lange T (2012)
Incontinence after colonoscopy--an unrecognized and preventable problem. A cross-sectional study from the Gastronet quality assurance program
Endoscopy, 44 (4), 349-53
DOI 10.1055/s-0031-1291657, PubMed 22392101

Kalager M, Adami HO, Bretthauer M, Tamimi RM (2012)
Overdiagnosis of invasive breast cancer due to mammography screening: results from the Norwegian screening program
Ann Intern Med, 156 (7), 491-9
DOI 10.7326/0003-4819-156-7-201204030-00005, PubMed 22473436

Kalager M, Adami HO, Bretthauer M, Tamimi RM (2012)
Overdiagnosis of Invasive Breast Cancer due to Mammography Screening RESPONSE
Ann. Intern. Med., 157 (3), 221-222

Kalager M, Løberg M, Bretthauer M (2012)
Limited use of nonprogram screening in Norway
Int J Cancer, 132 (7), 1723-4
DOI 10.1002/ijc.27807, PubMed 22933134

Kalager M, Tamimi RM, Bretthauer M, Adami HO (2012)
Prognosis in women with interval breast cancer: population based observational cohort study
BMJ, 345, e7536
DOI 10.1136/bmj.e7536, PubMed 23160783

Kaminski MF, Bretthauer M, Zauber AG, Kuipers EJ, Adami HO, van Ballegooijen M, Regula J, van Leerdam M, Stefansson T, Påhlman L, Dekker E, Hernán MA, Garborg K, Hoff G (2012)
The NordICC Study: rationale and design of a randomized trial on colonoscopy screening for colorectal cancer
Endoscopy, 44 (7), 695-702
DOI 10.1055/s-0032-1306895, PubMed 22723185

Lenz P, Domagk D, Mensink P, Aktas H, Bretthauer M (2012)
Single- versus double-balloon enteroscopy: the evidence base: Comment on Endoscopy essentials, Small-bowel endoscopy
Endoscopy, 44 (8), 799; author reply 800
DOI 10.1055/s-0032-1310001, PubMed 22833025

Moritz V, Bretthauer M, Ruud HK, Glomsaker T, de Lange T, Sandvei P, Huppertz-Hauss G, Kjellevold Ø, Hoff G (2012)
Withdrawal time as a quality indicator for colonoscopy - a nationwide analysis
Endoscopy, 44 (5), 476-81
DOI 10.1055/s-0032-1306898, PubMed 22531983

Valori R, Rey JF, Atkin WS, Bretthauer M, Senore C, Hoff G, Kuipers EJ, Altenhofen L, Lambert R, Minoli G, International Agency for Research on Cancer (2012)
European guidelines for quality assurance in colorectal cancer screening and diagnosis. First Edition--Quality assurance in endoscopy in colorectal cancer screening and diagnosis
Endoscopy, 44 Suppl 3, SE88-105
DOI 10.1055/s-0032-1309795, PubMed 23012124

Publications 2011

Bretthauer M (2011)
Colorectal cancer screening
J Intern Med, 270 (2), 87-98
DOI 10.1111/j.1365-2796.2011.02399.x, PubMed 21575082

Bretthauer M, Haug C (2011)
[What is established treatment?]
Tidsskr Nor Laegeforen, 131 (13-14), 1275
DOI 10.4045/tidsskr.11.13E1, PubMed 21725376

Cotton PB, Bretthauer M (2011)
Quality assurance in gastroenterology
Best Pract Res Clin Gastroenterol, 25 (3), 335-6
DOI 10.1016/j.bpg.2011.05.008, PubMed 21764001

de Vogel S, Schneede J, Ueland PM, Vollset SE, Meyer K, Fredriksen A, Midttun Ø, Bjørge T, Kampman E, Bretthauer M, Hoff G (2011)
Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas
Cancer Epidemiol Biomarkers Prev, 20 (8), 1726-35
DOI 10.1158/1055-9965.EPI-11-0359, PubMed 21693628

Domagk D, Mensink P, Aktas H, Lenz P, Meister T, Luegering A, Ullerich H, Aabakken L, Heinecke A, Domschke W, Kuipers E, Bretthauer M (2011)
Single- vs. double-balloon enteroscopy in small-bowel diagnostics: a randomized multicenter trial
Endoscopy, 43 (6), 472-6
DOI 10.1055/s-0030-1256247, PubMed 21384320

Hoff G, Volker M, Bretthauer M, Aabakken L, Høie O, Delange T, Berset I, Kjellevold Ø, Glomsaker T, Huppertz-Hauss G, Lange O, Sandvei P (2011)
Gastronet survey on the use of one- or two-person technique for colonoscopy insertion
BMC Gastroenterol, 11, 73
DOI 10.1186/1471-230X-11-73, PubMed 21672243

Holme Ö, Höie O, Matre J, Stallemo A, Garborg K, Hasund A, Wiig H, Hoff G, Bretthauer M (2011)
Magnetic endoscopic imaging versus standard colonoscopy in a routine colonoscopy setting: a randomized, controlled trial
Gastrointest Endosc, 73 (6), 1215-22
DOI 10.1016/j.gie.2011.01.054, PubMed 21481862

Lind GE, Danielsen SA, Ahlquist T, Merok MA, Andresen K, Skotheim RI, Hektoen M, Rognum TO, Meling GI, Hoff G, Bretthauer M, Thiis-Evensen E, Nesbakken A, Lothe RA (2011)
Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomas
Mol Cancer, 10, 85
DOI 10.1186/1476-4598-10-85, PubMed 21777459

Løberg M, Furholm S, Hoff I, Aabakken L, Hoff G, Bretthauer M (2011)
Nitrous oxide for analgesia in colonoscopy without sedation
Gastrointest Endosc, 74 (6), 1347-53
DOI 10.1016/j.gie.2011.07.071, PubMed 22136779

Publications 2010

Bretthauer M (2010)
Which tool is best for colorectal cancer screening?
BMJ, 340, c2831
DOI 10.1136/bmj.c2831, PubMed 20516015

Bretthauer M (2010)
Colorectal cancer screening Author's reply
Br. Med. J., 341, c4620

Bretthauer M (2010)
["Shall I not be randomized?"]
Tidsskr Nor Laegeforen, 130 (11), 1119
DOI 10.4045/tidsskr.10.0590, PubMed 20531489

Bretthauer M (2010)
Turning science into clinical practice - the case of carbon dioxide insufflation
Endoscopy, 42 (12), 1104-5
DOI 10.1055/s-0030-1255973, PubMed 21120777

Bretthauer M (2010)
Evidence for colorectal cancer screening
Best Pract Res Clin Gastroenterol, 24 (4), 417-25
DOI 10.1016/j.bpg.2010.06.005, PubMed 20833346

Hoff G, Bretthauer M (2010)
[Colorectal cancer screening--at last discussed!]
Tidsskr Nor Laegeforen, 130 (20), 2012
DOI 10.4045/tidsskr.10.0932, PubMed 20967034

Hoff G, Moritz V, Bretthauer M, Ludolph T, Huppertz-Hauss G, Paulsen J, Seip B, Sauar J, Kjellevold Ø, Chengarov L (2010)
Colonoscope with a sub-distal hyper-flaccid segment for improved insertion at colonoscopy: a randomized study
Scand J Gastroenterol, 46 (1), 104-8
DOI 10.3109/00365521.2010.521891, PubMed 20923378

Seip B, Bretthauer M, Dahler S, Friestad J, Huppertz-Hauss G, Høie O, Kittang E, Nyhus S, Pallenschat J, Sandvei P, Stallemo A, Svendsen MV, Hoff G (2010)
Patient satisfaction with on-demand sedation for outpatient colonoscopy
Endoscopy, 42 (8), 639-46
DOI 10.1055/s-0030-1255612, PubMed 20669075

Seip B, Bretthauer M, Dahler S, Friestad J, Huppertz-Hauss G, Høie O, Kittang E, Nyhus S, Pallenschat J, Sandvei P, Stallemo A, Svendsen MV, Hoff G (2010)
Sustaining the vitality of colonoscopy quality improvement programmes over time. Experience from the Norwegian Gastronet programme
Scand J Gastroenterol, 45 (3), 362-9
DOI 10.3109/00365520903497106, PubMed 20095874

Publications 2009

Bretthauer M (2009)
Capsule Endoscopy versus Colonoscopy REPLY
N. Engl. J. Med., 361 (16), 1609-1610

Bretthauer M (2009)
The First Transatlantic Symposium on Colorectal Cancer Screening
Endoscopy, 41 (9), 816-7
DOI 10.1055/s-0029-1215049, PubMed 19685421

Bretthauer M (2009)
[A year with New England Journal of Medicine]
Tidsskr Nor Laegeforen, 129 (19), 1971
DOI 10.4045/tidsskr.09.1022, PubMed 19823197

Bretthauer M (2009)
The capsule and colorectal-cancer screening--the crux of the matter
N Engl J Med, 361 (3), 300-1
DOI 10.1056/NEJMe0903924, PubMed 19605836

Bretthauer M (2009)
[Do you understand me?]
Tidsskr Nor Laegeforen, 129 (21), 2211
DOI 10.4045/tidsskr.09.1081, PubMed 19898565

Bretthauer M, Haug C (2009)
[Without registration, no publishing!]
Tidsskr Nor Laegeforen, 129 (8), 733
DOI 10.4045/tidsskr.09.08E1, PubMed 19373295

Hoff G, Grotmol T, Skovlund E, Bretthauer M, Norwegian Colorectal Cancer Prevention Study Group (2009)
Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trial
BMJ, 338, b1846
DOI 10.1136/bmj.b1846, PubMed 19483252

Hoff G, Ottestad PM, Skafløtten SR, Bretthauer M, Moritz V (2009)
Quality assurance as an integrated part of the electronic medical record - a prototype applied for colonoscopy
Scand J Gastroenterol, 44 (10), 1259-65
DOI 10.1080/00365520903132021, PubMed 19658021

Kalager M, Bretthauer M (2009)
Spontaneous regression of invasive breast cancer: does this study answer the question?
Arch Intern Med, 169 (10), 997
DOI 10.1001/archinternmed.2009.91, PubMed 19468097

Kalager M, Haldorsen T, Bretthauer M, Hoff G, Thoresen SO, Adami HO (2009)
Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort study
Breast Cancer Res, 11 (4), R44
DOI 10.1186/bcr2331, PubMed 19575807

Publications 2008

Bretthauer M (2008)
[Statistical significance and clinical relevance]
Tidsskr Nor Laegeforen, 128 (3), 279
PubMed 18264146

Bretthauer M (2008)
Erroneous on screening colonoscopy
Z. Gastroent., 46 (6), 633

Bretthauer M (2008)
Are sodium phosphate tablets better than polyethylene glycol solution plus bisacodyl tablets for bowel preparation?
Nat Clin Pract Gastroenterol Hepatol, 5 (6), 296-7
DOI 10.1038/ncpgasthep1142, PubMed 18461058

Hoff G, Bretthauer M (2008)
Appointments timed in proximity to annual milestones and compliance with screening: randomised controlled trial
BMJ, 337, a2794
DOI 10.1136/bmj.a2794, PubMed 19091759

Seip B, Huppertz-Hauss G, Sauar J, Bretthauer M, Hoff G (2008)
Patients' satisfaction: an important factor in quality control of gastroscopies
Scand J Gastroenterol, 43 (8), 1004-11
DOI 10.1080/00365520801958592, PubMed 19086282

Publications 2007

Bretthauer M, Hoff G (2007)
[Prevention and early diagnosis of colorectal cancer]
Tidsskr Nor Laegeforen, 127 (20), 2688-91
PubMed 17952153

Bretthauer M, Seip B, Aasen S, Kordal M, Hoff G, Aabakken L (2007)
Carbon dioxide insufflation for more comfortable endoscopic retrograde cholangiopancreatography: a randomized, controlled, double-blind trial
Endoscopy, 39 (1), 58-64
DOI 10.1055/s-2006-945036, PubMed 17252462

Domagk D, Bretthauer M, Lenz P, Aabakken L, Ullerich H, Maaser C, Domschke W, Kucharzik T (2007)
Carbon dioxide insufflation improves intubation depth in double-balloon enteroscopy: a randomized, controlled, double-blind trial
Endoscopy, 39 (12), 1064-7
DOI 10.1055/s-2007-966990, PubMed 18072057

Hoff G, Bretthauer M (2007)
Colonic explosion: an unavoidable complication?
Endoscopy, 39 (3), 258
DOI 10.1055/s-2007-966200, PubMed 17385113

Hoff G, Bretthauer M, Dahler S, Huppertz-Hauss G, Sauar J, Paulsen J, Seip B, Moritz V (2007)
Improvement in caecal intubation rate and pain reduction by using 3-dimensional magnetic imaging for unsedated colonoscopy: a randomized trial of patients referred for colonoscopy
Scand J Gastroenterol, 42 (7), 885-9
DOI 10.1080/00365520601127125, PubMed 17558914

Søreide K, Bretthauer M (2007)
[Colorectal cancer--a disease one doesn't talk about]
Tidsskr Nor Laegeforen, 127 (20), 2651
PubMed 17952144

Aabakken L, Bretthauer M, Line PD (2007)
Double-balloon enteroscopy for endoscopic retrograde cholangiography in patients with a Roux-en-Y anastomosis
Endoscopy, 39 (12), 1068-71
DOI 10.1055/s-2007-966841, PubMed 18072058

Publications 2006

Bretthauer M (2006)
[Can CT colonography replace coloscopy?]
Tidsskr Nor Laegeforen, 126 (11), 1464
PubMed 16732337

Bretthauer M, Ekbom A, Malila N, Stefánsson T, Fischer A, Hof G, Weiderpass E, Tretli S, Tryggvadóttir L, Storm H, Holten I, Adam HO (2006)
[Screening for colorectal cancer. Collaboration among politicians and scientists is necessary]
Laeknabladid, 92 (7-8), 521-4
PubMed 16818999

Bretthauer M, Ekbom A, Malila N, Stefansson T, Fischer A, Hoff G, Weiderpass E, Tretli S, Trygvadottir L, Holten IW, Storm HH, Adami HO (2006)
[Politics and science in colorectal cancer screening]
Ugeskr Laeger, 168 (26-32), 2563-5
PubMed 16824412

Bretthauer M, Ekbom A, Malila N, Stefansson T, Fischer A, Hoff G, Weiderpass E, Tretli S, Trygvadottir L, Storm H, Holten I, Adami HO, NordICC-gruppen (Nordic Initiative on Colorectal Cancer) (2006)
[Politics and science in colorectal cancer screening]
Tidsskr Nor Laegeforen, 126 (13), 1766-7
PubMed 16794676

Hoff G, Bretthauer M (2006)
The science and politics of colorectal cancer screening
PLoS Med, 3 (1), e36; quiz e104
DOI 10.1371/journal.pmed.0030036, PubMed 16383349

Hoff G, Bretthauer M, Huppertz-Hauss G, Kittang E, Stallemo A, Høie O, Dahler S, Nyhus S, Halvorsen FA, Pallenschat J, Vetvik K, Kristian Sandvei P, Friestad J, Pytte R, Coll P (2006)
The Norwegian Gastronet project: Continuous quality improvement of colonoscopy in 14 Norwegian centres
Scand J Gastroenterol, 41 (4), 481-7
DOI 10.1080/00365520500265208, PubMed 16635918

Publications 2005

Bretthauer M, Hoff G (2005)
[Quality improvement in Norwegian hospitals]
Tidsskr Nor Laegeforen, 125 (9), 1150
PubMed 15880147

Bretthauer M, Lynge AB, Thiis-Evensen E, Hoff G, Fausa O, Aabakken L (2005)
Carbon dioxide insufflation in colonoscopy: safe and effective in sedated patients
Endoscopy, 37 (8), 706-9
DOI 10.1055/s-2005-870154, PubMed 16032487

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2005)
Lifestyle-related risk factors and chemoprevention for colorectal neoplasia: experience from the large-scale NORCCAP screening trial
Eur J Cancer Prev, 14 (4), 373-9
DOI 10.1097/00008469-200508000-00010, PubMed 16030428

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2005)
Biopsy of colorectal polyps is not adequate for grading of neoplasia
Endoscopy, 37 (12), 1193-7
DOI 10.1055/s-2005-921031, PubMed 16329016

Hoff G, Bretthauer M, Huppertz-Hauss G, Sauar J, Paulsen J, Dahler S, Kjellevold Ø (2005)
Evaluation of a novel colonoscope designed for easier passage through flexures: a randomized study
Endoscopy, 37 (11), 1123-6
DOI 10.1055/s-2005-870444, PubMed 16281143

Huppertz-Hauss G, Bretthauer M, Sauar J, Paulsen J, Kjellevold Ø, Majak B, Hoff G (2005)
Polyethylene glycol versus sodium phosphate in bowel cleansing for colonoscopy: a randomized trial
Endoscopy, 37 (6), 537-41
DOI 10.1055/s-2005-861315, PubMed 15933926

Skovlund E, Bretthauer M, Grotmol T, Larsen IK, Hoff G (2005)
Sensitivity of pain rating scales in an endoscopy trial
Clin J Pain, 21 (4), 292-6
DOI 10.1097/01.ajp.0000110636.14355.3e, PubMed 15951645

Aamodt G, Gulbrandsen P, Laake P, Aavitsland P, Bretthauer M (2005)
[Presentation of statistical analysis in the Journal of the Norwegian Medical Association]
Tidsskr Nor Laegeforen, 125 (16), 2183-7
PubMed 16138131

Publications 2004

Bretthauer M (2004)
[When can generic preparations be used?]
Tidsskr Nor Laegeforen, 124 (20), 2598
PubMed 15534628

Bretthauer M (2004)
[Information about mammography screening]
Tidsskr Nor Laegeforen, 124 (17), 2227
PubMed 15356683

Bretthauer M, Hoff G, Severinsen H, Erga J, Sauar J, Huppertz-Hauss G (2004)
[Systematic quality control programme for colonoscopy in an endoscopy centre in Norway]
Tidsskr Nor Laegeforen, 124 (10), 1402-5
PubMed 15195182

Hoff G, Grotmol T, Thiis-Evensen E, Bretthauer M, Gondal G, Vatn MH (2004)
Testing for faecal calprotectin (PhiCal) in the Norwegian Colorectal Cancer Prevention trial on flexible sigmoidoscopy screening: comparison with an immunochemical test for occult blood (FlexSure OBT)
Gut, 53 (9), 1329-33
DOI 10.1136/gut.2004.039032, PubMed 15306594

Publications 2003

Bretthauer M, Hoff G (2003)
The use of CO2 in colonoscopy
Gastrointest Endosc, 57 (3), 436-7; author reply 437-8
DOI 10.1067/mge.2003.108, PubMed 12612542

Bretthauer M, Hoff GS, Thiis-Evensen E, Huppertz-Hauss G, Skovlund E (2003)
Air and carbon dioxide volumes insufflated during colonoscopy
Gastrointest Endosc, 58 (2), 203-6
DOI 10.1067/mge.2003.340, PubMed 12872086

Bretthauer M, Jørgensen A, Kristiansen BE, Hofstad B, Hoff G (2003)
Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trial
BMC Gastroenterol, 3, 15
DOI 10.1186/1471-230X-3-15, PubMed 12803654

Bretthauer M, Skovlund E, Grotmol T, Thiis-Evensen E, Gondal G, Huppertz-Hauss G, Efskind P, Hofstad B, Thorp Holmsen S, Eide TJ, Hoff G (2003)
Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer
Scand J Gastroenterol, 38 (12), 1268-74
DOI 10.1080/00365520310006513, PubMed 14750648

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2003)
The Norwegian Colorectal Cancer Prevention (NORCCAP) screening study: baseline findings and implementations for clinical work-up in age groups 50-64 years
Scand J Gastroenterol, 38 (6), 635-42
DOI 10.1080/00365520310003002, PubMed 12825872

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2003)
Grading of distal colorectal adenomas as predictors for proximal colonic neoplasia and choice of endoscope in population screening: experience from the Norwegian Colorectal Cancer Prevention study (NORCCAP)
Gut, 52 (3), 398-403
DOI 10.1136/gut.52.3.398, PubMed 12584223

Hoff G, Bretthauer M, Skovlund E, Grotmol T (2003)
Re: Baseline findings of the Italian multicenter randomized controlled trial of "once-only sigmoidoscopy"--SCORE
J Natl Cancer Inst, 95 (14), 1089-90; author reply 1090
DOI 10.1093/jnci/95.14.1089, PubMed 12865459

Publications 2002

Bretthauer M, Gondal G, Larsen K, Carlsen E, Eide TJ, Grotmol T, Skovlund E, Tveit KM, Vatn MH, Hoff G (2002)
Design, organization and management of a controlled population screening study for detection of colorectal neoplasia: attendance rates in the NORCCAP study (Norwegian Colorectal Cancer Prevention)
Scand J Gastroenterol, 37 (5), 568-73
DOI 10.1080/00365520252903125, PubMed 12059059

Bretthauer M, Hoff G, Thiis-Evensen E, Grotmol T, Holmsen ST, Moritz V, Skovlund E (2002)
Carbon dioxide insufflation reduces discomfort due to flexible sigmoidoscopy in colorectal cancer screening
Scand J Gastroenterol, 37 (9), 1103-7
DOI 10.1080/003655202320378329, PubMed 12374237

Bretthauer M, Hoff G, Thiis-Evensen E, Grotmol T, Larsen IK, Kjellevold Ø, Skovlund E (2002)
Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening
Endoscopy, 34 (10), 814-8
DOI 10.1055/s-2002-34273, PubMed 12244504

Bretthauer M, Thiis-Evensen E, Huppertz-Hauss G, Gisselsson L, Grotmol T, Skovlund E, Hoff G (2002)
NORCCAP (Norwegian colorectal cancer prevention): a randomised trial to assess the safety and efficacy of carbon dioxide versus air insufflation in colonoscopy
Gut, 50 (5), 604-7
DOI 10.1136/gut.50.5.604, PubMed 11950803

Larsen IK, Grotmol T, Bretthauer M, Gondal G, Huppertz-Hauss G, Hofstad B, Efskind P, Jørgensen A, Hoff G (2002)
Continuous evaluation of patient satisfaction in endoscopy centres
Scand J Gastroenterol, 37 (7), 850-5
DOI 10.1080/713786520, PubMed 12190102

Publications 2000

Bretthauer M, Kalager M (2000)
[Practice from Germany not sanctioned as specialist education in Norway]
Tidsskr Nor Laegeforen, 120 (21), 2580-1
PubMed 11071005

Publications 1996

Panzer W, Bretthauer M, Klingler H, Bahr J, Rathgeber J, Kettler D (1996)
ACD versus standard CPR in a prehospital setting
Resuscitation, 33 (2), 117-24
PubMed 9025127

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