Publications by Michael Bretthauer

351 publications found

Publications 2025

1. Antonelli G, Desideri F, Scarozza P, Andrisani G, Zerboni G, Furnari M, Bevilacqua N, Cossignani M, Di Fonzo M, Cereatti F, Navazzotti G, Antenucci C, Di Matteo FM, Bevivino G, Caruso A, Spadaccini M, Schiavone S, Grossi C, Rizkala T, Comberlato M, Bretthauer M, Sharma P, Von Renteln D, Rex DK, Correale L et al. (2025)
   Safety of artificial intelligence-assisted optical diagnosis for leaving colorectal polyps in situ during colonoscopy (PRACTICE): a non-inferiority, randomised controlled trial
   Lancet Gastroenterol Hepatol, 10 (10), 915-923
   DOI 10.1016/S2468-1253(25)00140-2, PubMed 40914178
2. Bretthauer M (2025)
   [What is confirmed in colorectal cancer screening?]
   Inn Med (Heidelb) (in press)
   DOI 10.1007/s00108-025-01983-5, PubMed 40952509
3. Bretthauer M, Ahmed J, Antonelli G, Beaumont H, Beg S, Benson A, Bisschops R, De Cristofaro E, Gibbons E, Häfner M, Karsenti D, Laquière A, Loly JP, O'Reilly SM, Pellisé M, Grubelic Ravic K, Triantafyllou K, Tziatzios G, Valente R, Walter BM, Wiesand M, Lorenzo-Zúñiga V, Gralnek IM (2025)
   Use of computer-assisted detection (CADe) colonoscopy in colorectal cancer screening and surveillance: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
   Endoscopy, 57 (6), 667-673
   DOI 10.1055/a-2543-0370, PubMed 40148135
4. Bretthauer M, Gjersvik P (2025)
   Trinnvis kileklyngerandomisering
   Tidsskr Nor Laegeforen, 145 (8)
   DOI 10.4045/tidsskr.25.0094, PubMed 40575822
5. Bretthauer M, Kalager M (2025)
   First head-to-head trial of colonoscopy versus faecal testing for colorectal cancer screening
   Lancet, 405 (10486), 1204-1206
   DOI 10.1016/S0140-6736(25)00288-0, PubMed 40158522
6. Budzyń K, Romańczyk M, Kitala D, Kołodziej P, Bugajski M, Adami HO, Blom J, Buszkiewicz M, Halvorsen N, Hassan C, Romańczyk T, Holme Ø, Jarus K, Fielding S, Kunar M, Pellise M, Pilonis N, Kamiński MF, Kalager M, Bretthauer M, Mori Y (2025)
   Endoscopist deskilling risk after exposure to artificial intelligence in colonoscopy: a multicentre, observational study
   Lancet Gastroenterol Hepatol, 10 (10), 896-903
   DOI 10.1016/S2468-1253(25)00133-5, PubMed 40816301
7. Carlini L, Massimi D, Mori Y, Antonelli G, Rizkala T, Spadaccini M, Lena C, Parasa S, Bisschops R, von Renteln D, O'Reilly S, Sharma P, Rex DK, Bretthauer M, Repici A, De Momi E, Hassan C (2025)
   Large language models for detecting colorectal polyps in endoscopic images
   Gut (in press)
   DOI 10.1136/gutjnl-2025-335091, PubMed 40360230
8. Cintosun A, Jamal I, Samnani S, Song YN, Bretthauer M (2025)
   Gastroenterology/Hepatology: What You May Have Missed in 2024
   Ann Intern Med, 178 (5_Supplement), S39-S53
   DOI 10.7326/ANNALS-25-00959, PubMed 40163879
9. Frazzoni L, Antonelli G, Pilonis ND, Wisse PHA, Facciorusso A, Spaander MCW, Dinis Ribeiro M, Barbara G, Orlandini F, Di Marco M, De Padova A, Spada C, Dekker E, Bretthauer M, Kaminski MF, Hassan C, Fuccio L (2025)
   Adenoma detection and subsequent colorectal cancer risk: is the race really over?
   Gut (in press)
   DOI 10.1136/gutjnl-2025-335225, PubMed 40579120
10. Halvorsen N, Barua I, Kudo SE, Gulati S, Misawa M, Mori K, Hayee B, Olabintan O, Nilsen JA, Frigstad SO, East JE, Rastogi A, Hassan C, Kalager M, Løberg M, Holme Ø, Haji A, Bretthauer M, Mori Y (2025)
    Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study
    Endoscopy, 57 (6), 611-619
    DOI 10.1055/a-2532-9282, PubMed 39999970
11. Halvorsen N, Barua I, Kudo SE, Gulati S, Misawa M, Mori K, Hayee B, Olabintan O, Nilsen JA, Frigstad SO, East JE, Rastogi A, Hassan C, Kalager M, Løberg M, Holme Ø, Haji A, Bretthauer M, Mori Y (2025)
    Correction: Leaving colorectal polyps in situ with endocytoscopy assisted by computer-aided diagnosis: a cost-effectiveness study
    Endoscopy, 57 (6), C6
    DOI 10.1055/a-2548-0262, PubMed 40020708
12. Halvorsen N, Hassan C, Correale L, Pilonis N, Helsingen LM, Spadaccini M, Repici A, Foroutan F, Olav Vandvik P, Sultan S, Løberg M, Kalager M, Mori Y, Bretthauer M (2025)
    Benefits, burden, and harms of computer aided polyp detection with artificial intelligence in colorectal cancer screening: microsimulation modelling study
    BMJ Med, 4 (1), e001446
    DOI 10.1136/bmjmed-2025-001446, PubMed 40166696
13. Helsingen LM, Bretthauer M, Lie AK, Lundin KEA, Løberg M (2025)
    Å forberede medisinstudenter på usikkerhet
    Tidsskr Nor Laegeforen, 145 (10)
    DOI 10.4045/tidsskr.25.0480, PubMed 40923171
14. Juul FE, Bretthauer M, Johnsen PH, Samy F, Tonby K, Berdal JE, Hoff DAL, Ofstad EH, Abraham A, Seip B, Wiig H, Rognstad ØB, Glad IF, Valeur J, Nissen-Lie AE, Ness-Jensen E, Lund KMA, Skjevling LK, Hanevik K, Skudal H, Melsom EJ, Boyar R, Cooper TJ, Ranheim TE, Riise EM et al. (2025)
    Fecal Microbiota Transplantation Versus Vancomycin for Primary Clostridioides difficile Infection : A Randomized Controlled Trial
    Ann Intern Med, 178 (7), 940-947
    DOI 10.7326/ANNALS-24-03285, PubMed 40523286
15. Kumar S, Bretthauer M (2025)
    Screening for Helicobacter pylori to Prevent Gastric Cancer
    JAMA, 333 (9), 812-813
    DOI 10.1001/jama.2024.26377, PubMed 39908039
16. Massimi D, Carlini L, Mori Y, Di Stefano L, Antonelli G, Rizkala T, Spadaccini M, de Sire R, Alfarone L, Lena C, D'Aprano A, Parasa S, Bisschops R, von Renteln D, O'Reilly SM, Savevski V, Sharma P, Rex DK, Bretthauer M, Demomi E, Hassan C, Repici A (2025)
    Large language model for interpreting the Paris classification of colorectal polyps
    Endosc Int Open, 13, a27030209
    DOI 10.1055/a-2703-0209, PubMed 41079216
17. Olabintan O, Halvorsen N, Baddeley R, Kudo SE, Barua I, Misawa M, Mori K, Hunt C, Nilsen JA, Frigstad SO, East J, Rastogi A, Hassan C, Kalager M, Løberg M, Haji A, Holme O, Bretthauer M, Hayee B, Mori Y, Gulati S (2025)
    Environmental Impact of Computer-Aided Diagnosis in Colonoscopy: A Carbon Footprint Assessment of a Prospective Study Cohort
    Endoscopy (in press)
    DOI 10.1055/a-2717-8365, PubMed 41056995
18. Pilonis ND, Spychalski P, Kalager M, Løberg M, Wieszczy P, Didkowska J, Wojciechowska U, Kobiela J, Regula J, Rösch T, Bretthauer M, Kaminski MF (2025)
    Adenoma Detection Rates by Physicians and Subsequent Colorectal Cancer Risk
    JAMA, 333 (5), 400-407
    DOI 10.1001/jama.2024.22975, PubMed 39680377
19. Shi J, Løberg M, Kalager M, Wieszczy P, Pilonis ND, Adami HO, Kaminski MF, Bretthauer M, Hernán MA, The NordICC Study Group (2025)
    Effect of colonoscopy screening on risks of colorectal cancer and related death: instrumental variable estimation of per-protocol effects
    Eur J Epidemiol, 40 (4), 419-425
    DOI 10.1007/s10654-025-01209-w, PubMed 40278966
20. Spadaccini M, Hassan C, Mori Y, Halvorsen N, Gimeno-García AZ, Nakashima H, Facciorusso A, Patel HK, Antonelli G, Khalaf K, Rizkala T, Ramai D, Rondonotti E, Kamba S, Maselli R, Correale L, Bretthauer M, Bhandari P, Sharma P, Rex DK, Repici A, CADe group (2025)
    Artificial intelligence and colorectal neoplasia detection performances in patients with positive fecal immunochemical test: Meta-analysis and systematic review
    Dig Endosc, 37 (8), 815-823
    DOI 10.1111/den.15034, PubMed 40328639
21. Weinberg D, Bretthauer M (2025)
    Screening for many types of cancer with a single blood sample - too good to be true?
    Tidsskr Nor Laegeforen, 145 (5)
    DOI 10.4045/tidsskr.25.0077, PubMed 40272130
22. Young JC, Helsingen LM, Refsum E, Högdén A, Perrin V, Løberg M, Gantzel RH, Bretthauer M, Berglund A, Holme Ø, Jodal HC, Grimstad T, Brackmann SA, Ye W, Adami HO, Larsen L, Hernan MA, Jess T, Blom J, Kalager M (2025)
    Temporal trends in characteristics and management of inflammatory bowel disease
    Scand J Gastroenterol, 60 (5), 421-429
    DOI 10.1080/00365521.2025.2478166, PubMed 40126153

Publications 2024

1. Antonelli G, Libanio D, De Groof AJ, van der Sommen F, Mascagni P, Sinonquel P, Abdelrahim M, Ahmad O, Berzin T, Bhandari P, Bretthauer M, Coimbra M, Dekker E, Ebigbo A, Eelbode T, Frazzoni L, Gross SA, Ishihara R, Kaminski MF, Messmann H, Mori Y, Padoy N, Parasa S, Pilonis ND, Renna F et al. (2024)
   QUAIDE - Quality assessment of AI preclinical studies in diagnostic endoscopy
   Gut, 74 (1), 153-161
   DOI 10.1136/gutjnl-2024-332820, PubMed 39406471
2. Anvari S, Dadgar K, Galts C, Bretthauer M (2024)
   Gastroenterology/Hepatology: What You May Have Missed in 2023
   Ann Intern Med, 177 (5_Supplement), S27-S36
   DOI 10.7326/M24-0505, PubMed 38621241
3. Baile-Maxía S, Mangas-Sanjuán C, Ladabaum U, Sánchez-Ardila C, Sala-Miquel N, Hassan C, Rutter MD, Bretthauer M, Zapater P, Jover R (2024)
   Risk factors for metachronous colorectal cancer or advanced lesions after endoscopic resection of serrated polyps: a systematic review and meta-analysis
   Gastrointest Endosc, 100 (4), 605-615.e14
   DOI 10.1016/j.gie.2024.05.021, PubMed 38851458
4. Bretthauer M (2024)
   How to learn from interval cancers in colorectal cancer screening
   Endoscopy, 56 (5), 373-375
   DOI 10.1055/a-2279-9932, PubMed 38479414
5. Bretthauer M (2024)
   Pasientjournaler og nasjonale kvalitetsregistre – to sider av samme sak
   Tidsskr Nor Laegeforen, 144 (14)
   DOI 10.4045/tidsskr.24.0525, PubMed 39605158
6. Bretthauer M, Kaminski MF, Kalager M (2024)
   Lifetime Gained With Cancer Screening-Reply
   JAMA Intern Med, 184 (2), 228
   DOI 10.1001/jamainternmed.2023.7067, PubMed 38165695
7. Bretthauer M, Pilonis ND (2024)
   Brief sigmoidoscopy provides 21-year colorectal cancer risk reduction in men
   Lancet Gastroenterol Hepatol, 9 (9), 777-779
   DOI 10.1016/S2468-1253(24)00199-7, PubMed 39038481
8. Bretthauer M, Ponchon T (2024)
   ESGE and Public Advocacy
   Endoscopy, 56 (6), 457-458
   DOI 10.1055/a-2277-2204, PubMed 38810622
9. Burra P, Amil Dias J, Torres J, Botos A, Acedo P, Bertelsen B, Bretthauer M, Carboni A, Dugic A, Fracasso P, Koltai T, Leone S, Maravic Z, Matysiak-Budnik T, McColaugh L, Mishkovikj M, Wickramasinghe K, van Leerdam M (2024)
   Advancing patient-centered care: Recent developments in UEG's patient relations
   United European Gastroenterol J, 12 (6), 816-818
   DOI 10.1002/ueg2.12607, PubMed 38867386
10. Helsingen LM, Langeland EA, Pisani SER, Vandvik PO, Haavardsholm EA, Malt UF, Müller C, Stensvold A, Kalager M, Bretthauer M (2024)
    [Scraps of national clinical guidelines from the Directorate of Health]
    Tidsskr Nor Laegeforen, 144 (5)
    DOI 10.4045/tidsskr.24.0141, PubMed 38651715
11. Juul FE, Cross AJ, Schoen RE, Senore C, Pinsky PF, Miller EA, Segnan N, Wooldrage K, Wieszczy-Szczepanik P, Armaroli P, Garborg KK, Adami HO, Hoff G, Kalager M, Bretthauer M, Holme Ø, Løberg M (2024)
    Effectiveness of Colonoscopy Screening vs Sigmoidoscopy Screening in Colorectal Cancer
    JAMA Netw Open, 7 (2), e240007
    DOI 10.1001/jamanetworkopen.2024.0007, PubMed 38421651
12. Martínez-Roca A, Cubiella J, García-Heredia A, Guill-Berbegal D, Baile-Maxía S, Mangas-Sanjuán C, Sala-Miquel N, Madero-Velazquez L, Alenda C, Zapater P, González-Núñez C, Iglesias-Gómez A, Codesido-Prado L, Díez-Martín A, Kaminski MF, Erichsen R, Adami HO, Ferlitsch M, Pellisé M, Holme Ø, Dekker E, Bretthauer M, Jover R, EPoS Study Group (2024)
    Prediction of metachronous advanced colorectal neoplasia by KRAS mutation in polyps
    United European Gastroenterol J, 12 (9), 1179-1189
    DOI 10.1002/ueg2.12667, PubMed 39400528
13. Nilsen JA, Bernklev L, Bretthauer M, Kalager M, Jodal HC, Løberg M, Holme Ø, Juul FE, Frigstad SO (2024)
    Surgical treatment of benign colorectal polyps 2008-21
    Tidsskr Nor Laegeforen, 144 (10)
    DOI 10.4045/tidsskr.23.0722, PubMed 39254026
14. Nordberg LB, Pohl H, Haavardsholm EA, Lillegraven S, Bretthauer M (2024)
    Carbon-Footprint Analyses in RCTs - Toward Sustainable Clinical Practice
    N Engl J Med, 390 (24), 2234-2236
    DOI 10.1056/NEJMp2402018, PubMed 38749030
15. Randel KR, Botteri E, de Lange T, Schult AL, Eskeland SL, El-Safadi B, Norvard ER, Bolstad N, Bretthauer M, Hoff G, Holme Ø (2024)
    Performance of Faecal Immunochemical Testing for Colorectal Cancer Screening at Varying Positivity Thresholds
    Aliment Pharmacol Ther, 61 (1), 122-131
    DOI 10.1111/apt.18314, PubMed 39373173
16. Randel KR, Schult AL, Botteri E, Nawaz M, Nguyen DH, Holme Ø, Bretthauer M, Hoff G, de Lange T (2024)
    Impact of inadequate bowel cleansing in sigmoidoscopy screening
    Scand J Gastroenterol, 59 (8), 1002-1009
    DOI 10.1080/00365521.2024.2364213, PubMed 38850200
17. Rognstad ØB, Botteri E, Hoff G, Bretthauer M, Gulichsen E, Frigstad SO, Holme Ø, Randel KR (2024)
    Adverse events after colonoscopy in a randomised colorectal cancer screening trial
    BMJ Open Gastroenterol, 11 (1)
    DOI 10.1136/bmjgast-2024-001471, PubMed 39375173
18. Song M, Bretthauer M (2024)
    Authors' Reply: Interpreting epidemiologic studies of colonoscopy screening for colorectal cancer prevention
    Eur J Epidemiol, 39 (4), 431
    DOI 10.1007/s10654-023-01077-2, PubMed 38261147
19. Xu H, Bretthauer M, Fang F, Ye W, Yin L, Adami HO (2024)
    Dramatic improvements in outcome following pancreatoduodenectomy for pancreatic and periampullary cancers
    Br J Cancer, 131 (4), 747-754
    DOI 10.1038/s41416-024-02757-w, PubMed 38937622

Publications 2023

1. Adami HO, Kalager M, Bretthauer M (2023)
   The Future of Cancer Screening-Guided Without Conflicts of Interest
   JAMA Intern Med, 183 (10), 1047-1048
   DOI 10.1001/jamainternmed.2023.4064, PubMed 37639267
2. Bretthauer M, Gerke S, Hassan C, Ahmad OF, Mori Y (2023)
   The New European Medical Device Regulation: Balancing Innovation and Patient Safety
   Ann Intern Med, 176 (6), 844-848
   DOI 10.7326/M23-0454, PubMed 37068279
3. Bretthauer M, Kalager M (2023)
   What is my risk, doctor? How to convey disease risk and treatment effects
   BMJ, 381, e075289
   DOI 10.1136/bmj-2022-075289, PubMed 37328165
4. Bretthauer M, Løberg M, Kaminski MF (2023)
   Colonoscopy Screening and Colorectal Cancer Incidence and Mortality. Reply
   N Engl J Med, 388 (4), 378-379
   DOI 10.1056/NEJMc2215192, PubMed 36720146
5. Bretthauer M, Mori Y, Zessner-Spitzenberg J, Kaminski MF, Siersema PD, Ponchon T, Messmann H, Gralnek IM, Bisschops R, Hassan C (2023)
   Gastrointestinal endoscopy devices and the European Union Medical Device Regulation: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
   Endoscopy, 55 (6), 578-581
   DOI 10.1055/a-2052-2540, PubMed 37080238
6. Bretthauer M, Wieszczy P, Løberg M, Kaminski MF, Werner TF, Helsingen LM, Mori Y, Holme Ø, Adami HO, Kalager M (2023)
   Estimated Lifetime Gained With Cancer Screening Tests: A Meta-Analysis of Randomized Clinical Trials
   JAMA Intern Med, 183 (11), 1196-1203
   DOI 10.1001/jamainternmed.2023.3798, PubMed 37639247
7. Bretthauer M, Yang YX (2023)
   New American College of Physicians Guidance on Colorectal Cancer Screening: Less Is More
   Ann Intern Med, 176 (8), 1127-1128
   DOI 10.7326/M23-1695, PubMed 37523706
8. Everett SM, Triantafyllou K, Hassan C, Mergener K, Tham TC, Almeida N, Antonelli G, Axon A, Bisschops R, Bretthauer M, Costil V, Foroutan F, Gauci J, Hritz I, Messmann H, Pellisé M, Roelandt P, Seicean A, Tziatzios G, Voiosu A, Gralnek IM (2023)
   Informed consent for endoscopic procedures: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
   Endoscopy, 55 (10), 952-966
   DOI 10.1055/a-2133-3365, PubMed 37557899
9. Jodal HC, Bretthauer M, Løberg M (2023)
   [Colorectal cancer screening also for younger adults?]
   Tidsskr Nor Laegeforen, 143 (18)
   DOI 10.4045/tidsskr.23.0553, PubMed 38088289
10. Jodal HC, Wieszczy-Szczepanik P, Klotz D, Herfindal M, Barua I, Tag P, Helsingen LM, Refsum E, Holme Ø, Adami HO, Bretthauer M, Kalager M, Løberg M (2023)
    A Comparison of Risk Classification Systems of Colorectal Adenomas: A Case-Cohort Study
    Gastroenterology, 165 (2), 483-491.e7
    DOI 10.1053/j.gastro.2023.04.028, PubMed 37146913
11. Langeland EA, Pisani SER, Kalager M, Bretthauer M, Helsingen LM (2023)
    [Do the Directorate of Health’s guidelines adhere to international standards for trustworthy clinical practice?]
    Tidsskr Nor Laegeforen, 143 (14)
    DOI 10.4045/tidsskr.23.0110, PubMed 37830968
12. Song M, Bretthauer M (2023)
    Interpreting epidemiologic studies of colonoscopy screening for colorectal cancer prevention: understanding the mechanisms of action is key
    Eur J Epidemiol, 38 (9), 929-931
    DOI 10.1007/s10654-023-01043-y, PubMed 37667139
13. Song M, Bretthauer M (2023)
    Authors' Reply: Interpreting epidemiologic studies of colorectal cancer prevention
    Eur J Epidemiol, 39 (1), 99
    DOI 10.1007/s10654-023-01070-9, PubMed 37950085
14. Spadaccini M, Hassan C, Rondonotti E, Antonelli G, Andrisani G, Lollo G, Auriemma F, Iacopini F, Facciorusso A, Maselli R, Fugazza A, Bambina Bergna IM, Cereatti F, Mangiavillano B, Radaelli F, Di Matteo F, Gross SA, Sharma P, Mori Y, Bretthauer M, Rex DK, Repici A, CERTAIN Study Group (2023)
    Combination of Mucosa-Exposure Device and Computer-Aided Detection for Adenoma Detection During Colonoscopy: A Randomized Trial
    Gastroenterology, 165 (1), 244-251.e3
    DOI 10.1053/j.gastro.2023.03.237, PubMed 37061169
15. Tønnesen CJ, Hjelmesæth J, Aabakken L, Lund RS, Johnson LK, Hertel JK, Kalager M, Løberg M, Bretthauer M (2023)
    A pilot study of implementation of endoscopic sleeve gastroplasty (ESG) in Norway
    Scand J Gastroenterol, 58 (10), 1180-1184
    DOI 10.1080/00365521.2023.2204389, PubMed 37128713
16. Yu J, Refsum E, Wieszczy P, Helsingen LM, Perrin V, Högdén A, Løberg M, Blom J, Bretthauer M, Adami HO, Ye W, Kalager M (2023)
    Risk of malignant lymphomas in patients with inflammatory bowel disease: a population-based cohort study
    BMJ Open Gastroenterol, 10 (1)
    DOI 10.1136/bmjgast-2022-001037, PubMed 37142293
17. Zeng L, Helsingen LM, Bretthauer M, Agoritsas T, Vandvik PO, Mustafa RA, Busse J, Siemieniuk RAC, Lytvyn L, Li SA, Yang M, Yan L, Zhang L, Brignardello-Petersen R, Guyatt GH (2023)
    A novel framework for incorporating patient values and preferences in making guideline recommendations: guideline panel surveys
    J Clin Epidemiol, 161, 164-172
    DOI 10.1016/j.jclinepi.2023.07.003, PubMed 37453455
18. Zeng L, Li SA, Yang M, Yan L, Helsingen LM, Bretthauer M, Agoritsas T, Vandvik PO, Mustafa RA, Busse J, Siemieniuk RAC, Lytvyn L, Zhang L, Brignardello-Petersen R, Guyatt GH (2023)
    Qualitative study of guideline panelists: innovative surveys provided valuable insights regarding patient values and preferences
    J Clin Epidemiol, 161, 173-180
    DOI 10.1016/j.jclinepi.2023.07.014, PubMed 37517505

Publications 2022

1. Ainechi D, Misawa M, Barua I, Larsen SLV, Paulsen V, Garborg KK, Aabakken L, Tønnesen CJ, Løberg M, Kalager M, Kudo SE, Hotta K, Ohtsuka K, Saito S, Ikematsu H, Saito Y, Matsuda T, Itoh H, Mori K, Bretthauer M, Mori Y (2022)
   Impact of artificial intelligence on colorectal polyp detection for early-career endoscopists: an international comparative study
   Scand J Gastroenterol, 57 (10), 1272-1277
   DOI 10.1080/00365521.2022.2070436, PubMed 35605150
2. Areia M, Mori Y, Correale L, Repici A, Bretthauer M, Sharma P, Taveira F, Spadaccini M, Antonelli G, Ebigbo A, Kudo SE, Arribas J, Barua I, Kaminski MF, Messmann H, Rex DK, Dinis-Ribeiro M, Hassan C (2022)
   Cost-effectiveness of artificial intelligence for screening colonoscopy: a modelling study
   Lancet Digit Health, 4 (6), e436-e444
   DOI 10.1016/S2589-7500(22)00042-5, PubMed 35430151
3. Baile-Maxía S, Mangas-Sanjuán C, Ladabaum U, Hassan C, Rutter MD, Bretthauer M, Medina-Prado L, Sala-Miquel N, Pomares OM, Zapater P, Jover R (2022)
   Risk Factors for Metachronous Colorectal Cancer or Advanced Adenomas After Endoscopic Resection of High-risk Adenomas
   Clin Gastroenterol Hepatol, 21 (3), 630-643
   DOI 10.1016/j.cgh.2022.12.005, PubMed 36549471
4. Barua I, Misawa M, Glissen Brown JR, Walradt T, Kudo SE, Sheth SG, Nee J, Iturrino J, Mukherjee R, Cheney CP, Sawhney MS, Pleskow DK, Mori K, Løberg M, Kalager M, Wieszczy P, Bretthauer M, Berzin TM, Mori Y (2022)
   Speedometer for withdrawal time monitoring during colonoscopy: a clinical implementation trial
   Scand J Gastroenterol, 58 (6), 664-670
   DOI 10.1080/00365521.2022.2154616, PubMed 36519564
5. Barua I, Wieszczy P, Kudo SE, Misawa M, Holme Ø, Gulati S, Williams S, Mori K, Itoh H, Takishima K, Mochizuki K, Miyata Y, Mochida K, Akimoto Y, Kuroki T, Morita Y, Shiina O, Kato S, Nemoto T, Hayee B, Patel M, Gunasingam N, Kent A, Emmanuel A, Munck C et al. (2022)
   Real-Time Artificial Intelligence-Based Optical Diagnosis of Neoplastic Polyps during Colonoscopy
   NEJM Evid, 1 (6), EVIDoa2200003
   DOI 10.1056/EVIDoa2200003, PubMed 38319238
6. Bretthauer M, Løberg M, Wieszczy P, Kalager M, Emilsson L, Garborg K, Rupinski M, Dekker E, Spaander M, Bugajski M, Holme Ø, Zauber AG, Pilonis ND, Mroz A, Kuipers EJ, Shi J, Hernán MA, Adami HO, Regula J, Hoff G, Kaminski MF, NordICC Study Group (2022)
   Effect of Colonoscopy Screening on Risks of Colorectal Cancer and Related Death
   N Engl J Med, 387 (17), 1547-1556
   DOI 10.1056/NEJMoa2208375, PubMed 36214590
7. Burra P, Arvanitakis M, Dias JA, Bretthauer M, Dugic A, Hartmann D, Michl P, Seufferlein T, Torres J, Törnblom H, van Leerdam ME, Zelber-Sagi S, Botos A (2022)
   UEG position paper: Obesity and digestive health
   United European Gastroenterol J, 10 (10), 1199-1201
   DOI 10.1002/ueg2.12334, PubMed 36457185
8. Burra P, Bretthauer M, Buti Ferret M, Dugic A, Fracasso P, Leja M, Matysiak Budnik T, Michl P, Ricciardiello L, Seufferlein T, van Leerdam M, Botos A (2022)
   Digestive cancer screening across Europe
   United European Gastroenterol J, 10 (4), 435-437
   DOI 10.1002/ueg2.12230, PubMed 35474447
9. Hassan C, Piovani D, Spadaccini M, Parigi T, Khalaf K, Facciorusso A, Fugazza A, Rösch T, Bretthauer M, Mori Y, Sharma P, Rex DK, Bonovas S, Repici A (2022)
   Variability in adenoma detection rate in control groups of randomized colonoscopy trials: a systematic review and meta-analysis
   Gastrointest Endosc, 97 (2), 212-225.e7
   DOI 10.1016/j.gie.2022.10.009, PubMed 36243103
10. Hassan C, Sharma P, Mori Y, Bretthauer M, Rex DK, Combo Study Group, Repici A (2022)
    Comparative Performance of Artificial Intelligence Optical Diagnosis Systems for Leaving in Situ Colorectal Polyps
    Gastroenterology, 164 (3), 467-469.e4
    DOI 10.1053/j.gastro.2022.10.021, PubMed 36328079
11. Helsingen LM, Løberg M, Bretthauer M, Kalager M (2022)
    Reply to: Letter to the Editor regarding "Covid-19 transmission in fitness centers in Norway-a randomized trial"
    BMC Public Health, 22 (1), 2437
    DOI 10.1186/s12889-022-14799-x, PubMed 36575428
12. Ichimasa K, Nakahara K, Kudo SE, Misawa M, Bretthauer M, Shimada S, Takehara Y, Mukai S, Kouyama Y, Miyachi H, Sawada N, Mori K, Ishida F, Mori Y (2022)
    Novel "resect and analysis" approach for T2 colorectal cancer with use of artificial intelligence
    Gastrointest Endosc, 96 (4), 665-672.e1
    DOI 10.1016/j.gie.2022.04.1305, PubMed 35500659
13. Jodal HC, Bretthauer M, Kalager M, Løberg M (2022)
    Letter: long-term colorectal cancer incidence and mortality after adenoma removal associated with heritable factors, colonoscopic surveillance and aspirin-authors' reply
    Aliment Pharmacol Ther, 55 (10), 1363-1364
    DOI 10.1111/apt.16929, PubMed 35472187
14. Jodal HC, Juul FE, Barua I, Bretthauer M, Kalager M, Løberg M, Emilsson L (2022)
    Emergency hospital admissions, prognosis, and population mortality in Norway during the first wave of the Covid-19 epidemic
    Scand J Public Health, 50 (6), 795-802
    DOI 10.1177/14034948221082959, PubMed 35546560
15. Juul FE, Cross AJ, Schoen RE, Senore C, Pinsky P, Miller E, Segnan N, Wooldrage K, Wieszczy-Szczepanik P, Armaroli P, Garborg KK, Adami HO, Hoff G, Kalager M, Bretthauer M, Løberg M, Holme Ø (2022)
    15-Year Benefits of Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality : A Pooled Analysis of Randomized Trials
    Ann Intern Med, 175 (11), 1525-1533
    DOI 10.7326/M22-0835, PubMed 36215714
16. Juul FE, Garborg K, Nesbakken E, Løberg M, Wieszczy P, Cubiella J, Kalager M, Kaminski MF, Erichsen R, Adami HO, Ferlitsch M, Furholm SKB, Zauber AG, Quintero E, Bugajski M, Holme Ø, Dekker E, Jover R, Bretthauer M (2022)
    Rates of repeated colonoscopies to clean the colon from low-risk and high-risk adenomas: results from the EPoS trials
    Gut, 72 (5), 951-957
    DOI 10.1136/gutjnl-2022-327696, PubMed 36307178
17. Koleth G, Emmanue J, Spadaccini M, Mascagni P, Khalaf K, Mori Y, Antonelli G, Maselli R, Carrara S, Galtieri PA, Pellegatta G, Fugazza A, Anderloni A, Selvaggio C, Bretthauer M, Aghemo A, Spinelli A, Savevski V, Sharma P, Hassan C, Repici A (2022)
    Artificial intelligence in gastroenterology: Where are we heading?
    Endosc Int Open, 10 (11), E1474-E1480
    DOI 10.1055/a-1907-6569, PubMed 36397868
18. Mori Y, Kaminski MF, Hassan C, Bretthauer M (2022)
    Clinical trial designs for artificial intelligence in gastrointestinal endoscopy
    Lancet Gastroenterol Hepatol, 7 (9), 785-786
    DOI 10.1016/S2468-1253(22)00232-1, PubMed 35932767
19. Mori Y, Misawa M, Bernal J, Bretthauer M, Kudo SE, Rastogi A, Fernández-Esparrach G (2022)
    Artificial intelligence for disease diagnosis: the criterion standard challenge
    Gastrointest Endosc, 96 (2), 370-372
    DOI 10.1016/j.gie.2022.04.057, PubMed 35489396
20. Mori Y, Wang P, Løberg M, Misawa M, Repici A, Spadaccini M, Correale L, Antonelli G, Yu H, Gong D, Ishiyama M, Kudo SE, Kamba S, Sumiyama K, Saito Y, Nishino H, Liu P, Glissen Brown JR, Mansour NM, Gross SA, Kalager M, Bretthauer M, Rex DK, Sharma P, Berzin TM et al. (2022)
    Impact of Artificial Intelligence on Colonoscopy Surveillance After Polyp Removal: A Pooled Analysis of Randomized Trials
    Clin Gastroenterol Hepatol, 21 (4), 949-959.e2
    DOI 10.1016/j.cgh.2022.08.022, PubMed 36038128
21. Pedersen IB, Rawa-Golebiewska A, Calderwood AH, Brix LD, Grode LB, Botteri E, Bugajski M, Kaminski MF, Januszewicz W, Ødegaard H, Kleist B, Kalager M, Løberg M, Bretthauer M, Hoff G, Medhus A, Holme Ø (2022)
    Complete polyp resection with cold snare versus hot snare polypectomy for polyps of 4-9 mm: a randomized controlled trial
    Endoscopy, 54 (10), 961-969
    DOI 10.1055/a-1734-7952, PubMed 35008112
22. Rodríguez de Santiago E, Dinis-Ribeiro M, Pohl H, Agrawal D, Arvanitakis M, Baddeley R, Bak E, Bhandari P, Bretthauer M, Burga P, Donnelly L, Eickhoff A, Hayee B, Kaminski MF, Karlović K, Lorenzo-Zúñiga V, Pellisé M, Pioche M, Siau K, Siersema PD, Stableforth W, Tham TC, Triantafyllou K, Tringali A, Veitch A et al. (2022)
    Reducing the environmental footprint of gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastroenterology and Endoscopy Nurses and Associates (ESGENA) Position Statement
    Endoscopy, 54 (8), 797-826
    DOI 10.1055/a-1859-3726, PubMed 35803275
23. Yu J, Refsum E, Helsingen LM, Folseraas T, Ploner A, Wieszczy P, Barua I, Jodal HC, Melum E, Løberg M, Blom J, Bretthauer M, Adami HO, Kalager M, Ye W (2022)
    Risk of hepato-pancreato-biliary cancer is increased by primary sclerosing cholangitis in patients with inflammatory bowel disease: A population-based cohort study
    United European Gastroenterol J, 10 (2), 212-224
    DOI 10.1002/ueg2.12204, PubMed 35107865
24. Yu J, Refsum E, Perrin V, Helsingen LM, Wieszczy P, Løberg M, Bretthauer M, Adami HO, Ye W, Blom J, Kalager M (2022)
    Inflammatory bowel disease and risk of adenocarcinoma and neuroendocrine tumors in the small bowel
    Ann Oncol, 33 (6), 649-656
    DOI 10.1016/j.annonc.2022.02.226, PubMed 35276334

Publications 2021

1. Bretthauer M, Helsingen LM, Løberg M, Kalager M, Guyatt G (2021)
   Evidence and Precaution for Legal Health Interventions: Learning From the COVID-19 Pandemic
   Ann Intern Med, 174 (10), 1456-1457
   DOI 10.7326/M21-2839, PubMed 34370512
2. Bretthauer M, Løberg M, Holme Ø, Adami HO, Kalager M (2021)
   Deep learning and cancer biomarkers: recognising lead-time bias
   Lancet, 397 (10270), 194
   DOI 10.1016/S0140-6736(20)32402-8, PubMed 33453776
3. Bretthauer M, Schoen RE, Cross AJ, Pinsky PF (2021)
   Colorectal Cancer Screening: Randomized Trials Are Essential to Support Recommendations
   Ann Intern Med, 175 (1), 129-130
   DOI 10.7326/M21-3770, PubMed 34748373
4. Gralnek IM, Hassan C, Ebigbo A, Fuchs A, Beilenhoff U, Antonelli G, Bisschops R, Arvanitakis M, Bhandari P, Bretthauer M, Kaminski MF, Lorenzo-Zuniga V, Rodriguez de Santiago E, Siersema PD, Tham TC, Triantafyllou K, Tringali A, Voiosu A, Webster G, de Pater M, Fehrke B, Gazic M, Gjergek T, Maasen S, Waagenes W et al. (2021)
   ESGE and ESGENA Position Statement on gastrointestinal endoscopy and COVID-19: Updated guidance for the era of vaccines and viral variants
   Endoscopy, 54 (2), 211-216
   DOI 10.1055/a-1700-4897, PubMed 34933373
5. Helsingen LM, Løberg M, Refsum E, Gjøstein DK, Wieszczy P, Olsvik Ø, Juul FE, Barua I, Jodal HC, Herfindal M, Mori Y, Jore S, Lund-Johansen F, Fretheim A, Bretthauer M, Kalager M, TRAiN study group (2021)
   Covid-19 transmission in fitness centers in Norway - a randomized trial
   BMC Public Health, 21 (1), 2103
   DOI 10.1186/s12889-021-12073-0, PubMed 34789188
6. Jodal HC, Klotz D, Herfindal M, Barua I, Tag P, Helsingen LM, Refsum E, Holme Ø, Adami HO, Bretthauer M, Kalager M, Løberg M (2021)
   Long-term colorectal cancer incidence and mortality after adenoma removal in women and men
   Aliment Pharmacol Ther, 55 (4), 412-421
   DOI 10.1111/apt.16686, PubMed 34716941
7. Juul FE, Jodal HC, Barua I, Refsum E, Olsvik Ø, Helsingen LM, Løberg M, Bretthauer M, Kalager M, Emilsson L (2021)
   Mortality in Norway and Sweden during the COVID-19 pandemic
   Scand J Public Health, 50 (1), 38-45
   DOI 10.1177/14034948211047137, PubMed 34609261
8. Mori Y, Bretthauer M (2021)
   Addressing false-positive findings with artificial intelligence for polyp detection
   Endoscopy, 53 (9), 941-942
   DOI 10.1055/a-1381-7849, PubMed 34438457
9. Mori Y, Bretthauer M, Kalager M (2021)
   Hopes and Hypes for Artificial Intelligence in Colorectal Cancer Screening
   Gastroenterology, 161 (3), 774-777
   DOI 10.1053/j.gastro.2021.04.078, PubMed 33989659
10. Mori Y, Neumann H, Misawa M, Kudo SE, Bretthauer M (2021)
    Artificial intelligence in colonoscopy - Now on the market. What's next?
    J Gastroenterol Hepatol, 36 (1), 7-11
    DOI 10.1111/jgh.15339, PubMed 33179322
11. Schult AL, Botteri E, Hoff G, Holme Ø, Bretthauer M, Randel KR, Gulichsen EH, El-Safadi B, Barua I, Munck C, Nilsen LR, Svendsen HM, de Lange T (2021)
    Women require routine opioids to prevent painful colonoscopies: a randomised controlled trial
    Scand J Gastroenterol, 56 (12), 1480-1489
    DOI 10.1080/00365521.2021.1969683, PubMed 34534048
12. Tønnesen CJ, Hjelmesæth J, Hofsø D, Tonstad S, Hertel JK, Heggen E, Johnson LK, Mathisen TE, Kalager M, Wieszczy P, Medhus AW, Løberg M, Aabakken L, Bretthauer M (2021)
    A novel intragastric balloon for treatment of obesity and type 2 diabetes. A two-center pilot trial
    Scand J Gastroenterol, 57 (2), 232-238
    DOI 10.1080/00365521.2021.1994641, PubMed 34714203
13. Usher-Smith JA, Mills KM, Riedinger C, Saunders CL, Helsingen LM, Lytvyn L, Buskermolen M, Lansdorp-Vogelaar I, Bretthauer M, Guyatt G, Griffin SJ (2021)
    The impact of information about different absolute benefits and harms on intention to participate in colorectal cancer screening: A think-aloud study and online randomised experiment
    PLoS One, 16 (2), e0246991
    DOI 10.1371/journal.pone.0246991, PubMed 33592037
14. Waldmann E, Kammerlander AA, Gessl I, Penz D, Majcher B, Hinterberger A, Bretthauer M, Trauner MH, Ferlitsch M (2021)
    Association of Adenoma Detection Rate and Adenoma Characteristics With Colorectal Cancer Mortality After Screening Colonoscopy
    Clin Gastroenterol Hepatol, 19 (9), 1890-1898
    DOI 10.1016/j.cgh.2021.04.023, PubMed 33878471
15. Wieszczy P, Kaminski MF, Løberg M, Bugajski M, Bretthauer M, Kalager M (2021)
    Estimation of overdiagnosis in colorectal cancer screening with sigmoidoscopy and faecal occult blood testing: comparison of simulation models
    BMJ Open, 11 (4), e042158
    DOI 10.1136/bmjopen-2020-042158, PubMed 33853794

Publications 2020

1. Adami HO, Bretthauer M, Kalager M (2020)
   Assessment of cancer screening effectiveness in the era of screening programs
   Eur J Epidemiol, 35 (10), 891-897
   DOI 10.1007/s10654-020-00684-7, PubMed 32929645
2. Barua I, Berset IP, Haere P, Wensaas KA, Bretthauer M (2020)
   National Screening Program for Bowel Cancer
   Tidsskr. Nor. Laegeforen., 140 (3), 222
3. Barua I, Berset IP, Hære P, Wensaas KA, Bretthauer M (2020)
   [National screening programme for colorectal cancer]
   Tidsskr Nor Laegeforen, 140 (3)
   DOI 10.4045/tidsskr.19.0658, PubMed 32105033
4. Barua I, Mori Y, Bretthauer M (2020)
   Colorectal polyp characterization with endocytoscopy: Ready for widespread implementation with artificial intelligence?
   Best Pract Res Clin Gastroenterol, 52-53, 101721
   DOI 10.1016/j.bpg.2020.101721, PubMed 34172248
5. Barua I, Vinsard DG, Jodal HC, Løberg M, Kalager M, Holme Ø, Misawa M, Bretthauer M, Mori Y (2020)
   Artificial intelligence for polyp detection during colonoscopy: a systematic review and meta-analysis
   Endoscopy, 53 (3), 277-284
   DOI 10.1055/a-1201-7165, PubMed 32557490
6. Bretthauer M, Helsingen LM, Kalager M, Vandvik PO, Agoritsas T, Guyatt G (2020)
   The future of colorectal cancer screening: Parentalism or shared decision-making?
   CMAJ, 192 (18), E484
   DOI 10.1503/cmaj.74839, PubMed 32366471
7. Bretthauer M, Kalager M (2020)
   Disparities in Preventive Health Services: Targeting Minorities and Majorities
   Ann Intern Med, 172 (4), 287-288
   DOI 10.7326/M19-3899, PubMed 31931529
8. Bretthauer M, Kalager M, Weinberg DS (2020)
   Colorectal Cancer Screening in Young Adults: About Carcinoid Tumors and Cancer
   Ann Intern Med, 174 (2), 263-264
   DOI 10.7326/M20-7244, PubMed 33315472
9. Hassan C, Antonelli G, Dumonceau JM, Regula J, Bretthauer M, Chaussade S, Dekker E, Ferlitsch M, Gimeno-Garcia A, Jover R, Kalager M, Pellisé M, Pox C, Ricciardiello L, Rutter M, Helsingen LM, Bleijenberg A, Senore C, van Hooft JE, Dinis-Ribeiro M, Quintero E (2020)
   Post-polypectomy colonoscopy surveillance: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2020
   Endoscopy, 52 (8), 687-700
   DOI 10.1055/a-1185-3109, PubMed 32572858
10. Helsingen LM, Refsum E, Gjøstein DK, Løberg M, Bretthauer M, Kalager M, Emilsson L, Clinical Effectiveness Research group (2020)
    The COVID-19 pandemic in Norway and Sweden - threats, trust, and impact on daily life: a comparative survey
    BMC Public Health, 20 (1), 1597
    DOI 10.1186/s12889-020-09615-3, PubMed 33097011
11. Helsingen LM, Zeng L, Siemieniuk RA, Lytvyn L, Vandvik PO, Agoritsas T, Bretthauer M, Guyatt G (2020)
    Establishing thresholds for important benefits considering the harms of screening interventions
    BMJ Open, 10 (12), e037854
    DOI 10.1136/bmjopen-2020-037854, PubMed 33268400
12. Holme Ø, Kalager M, Bretthauer M, Adami HO, Helsingen L, Løberg M (2020)
    Ongoing Trials Will Not Determine the Comparative Effectiveness of Colorectal Cancer Screening Tests
    Gastroenterology, 164 (6), 856-860
    DOI 10.1053/j.gastro.2020.02.071, PubMed 32585308
13. Kalager M, Bretthauer M (2020)
    Improving cancer screening programs
    Science, 367 (6474), 143-144
    DOI 10.1126/science.aay3156, PubMed 31919207
14. Loberg M, Bretthauer M (2020)
    Presentation of numbers: do let that fool you
    Tidsskr. Nor. Laegeforen., 140 (8), 738
15. Løberg M, Bretthauer M (2020)
    [Presentation of figures: don’t be fooled]
    Tidsskr Nor Laegeforen, 140 (8)
    DOI 10.4045/tidsskr.20.0378, PubMed 32463198
16. Mori Y, Kudo SE, East JE, Rastogi A, Bretthauer M, Misawa M, Sekiguchi M, Matsuda T, Saito Y, Ikematsu H, Hotta K, Ohtsuka K, Kudo T, Mori K (2020)
    Cost savings in colonoscopy with artificial intelligence-aided polyp diagnosis: an add-on analysis of a clinical trial (with video)
    Gastrointest Endosc, 92 (4), 905-911.e1
    DOI 10.1016/j.gie.2020.03.3759, PubMed 32240683
17. Pedersen IB, Bretthauer M, Kalager M, Løberg M, Hoff G, Matapour S, Hugin S, Frigstad SO, Seip B, Kleist BA, Løvdal L, Botteri E, Holme Ø (2020)
    Incomplete endoscopic resection of colorectal polyps: a prospective quality assurance study
    Endoscopy, 53 (4), 383-391
    DOI 10.1055/a-1243-0379, PubMed 32961579
18. Randel KR, Schult AL, Botteri E, Hoff G, Bretthauer M, Ursin G, Natvig E, Berstad P, Jørgensen A, Sandvei PK, Olsen ME, Frigstad SO, Darre-Næss O, Norvard ER, Bolstad N, Kørner H, Wibe A, Wensaas KA, de Lange T, Holme Ø (2020)
    Colorectal Cancer Screening With Repeated Fecal Immunochemical Test Versus Sigmoidoscopy: Baseline Results From a Randomized Trial
    Gastroenterology, 160 (4), 1085-1096.e5
    DOI 10.1053/j.gastro.2020.11.037, PubMed 33227280
19. Rutter MD, Bretthauer M, Hassan C, Jover R, WEO Surveillance Working Group (2020)
    Principles for Evaluation of Surveillance After Removal of Colorectal Polyps: Recommendations From the World Endoscopy Organization
    Gastroenterology, 158 (6), 1529-1533.e4
    DOI 10.1053/j.gastro.2019.12.052, PubMed 32240700
20. Tønnesen CJ, Young J, Glomsaker T, Mala T, Løberg M, Bretthauer M, Refsum E, Aabakken L (2020)
    Laparoscopy-assisted versus balloon enteroscopy-assisted ERCP after Roux-en-Y gastric bypass
    Endoscopy, 52 (8), 654-661
    DOI 10.1055/a-1139-9313, PubMed 32316042
21. Wieszczy P, Waldmann E, Løberg M, Regula J, Rupinski M, Bugajski M, Gray K, Kalager M, Ferlitsch M, Kaminski MF, Bretthauer M (2020)
    Colonoscopist Performance and Colorectal Cancer Risk After Adenoma Removal to Stratify Surveillance: Two Nationwide Observational Studies
    Gastroenterology, 160 (4), 1067-1074.e6
    DOI 10.1053/j.gastro.2020.10.009, PubMed 33065063
22. Zeng L, Helsingen LM, Kenji Nampo F, Wang Y, Yao L, Siemieniuk RA, Bretthauer M, Guyatt GH (2020)
    How do cancer screening guidelines trade off benefits versus harms and burdens of screening? A systematic survey
    BMJ Open, 10 (12), e038322
    DOI 10.1136/bmjopen-2020-038322, PubMed 33268404
23. Zimmermann-Fraedrich K, Pohl H, Rösch T, Rex DK, Hassan C, Dekker E, Kaminski MF, Bretthauer M, de Heer J, Werner Y, Schachschal G, Groth S (2020)
    Designs of colonoscopic adenoma detection trials: more positive results with tandem than with parallel studies - an analysis of studies on imaging techniques and mechanical devices
    Gut, 70 (2), 268-275
    DOI 10.1136/gutjnl-2020-320984, PubMed 32409588

Publications 2019

1. 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
2. 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), e13097
   DOI 10.1111/eci.13097, PubMed 30829396
3. 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, 51 (8), 750-758
   DOI 10.1055/a-0916-8598, PubMed 31195423
4. Bretthauer M (2019)
   Detection rates during colonoscopy: What matters most?
   Endoscopy, 52 (1), 15-16
   DOI 10.1055/a-1058-8854, PubMed 31853929
5. 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
6. 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
7. Buskermolen M, Cenin DR, Helsingen LM, Guyatt G, Vandvik PO, Haug U, Bretthauer M, Lansdorp-Vogelaar I (2019)
   Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: a microsimulation modelling study
   BMJ, 367, l5383
   DOI 10.1136/bmj.l5383, PubMed 31578177
8. 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, 188 (10), 1764-1767
   DOI 10.1093/aje/kwz049, PubMed 30869122
9. 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, 51 (8), 775-794
   DOI 10.1055/a-0959-0505, PubMed 31295746
10. Helsingen LM, Vandvik PO, Jodal HC, Agoritsas T, Lytvyn L, Anderson JC, Auer R, Murphy SB, Almadi MA, Corley DA, Quinlan C, Fuchs JM, McKinnon A, Qaseem A, Heen AF, Siemieniuk RAC, Kalager M, Usher-Smith JA, Lansdorp-Vogelaar I, Bretthauer M, Guyatt G (2019)
    Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: a clinical practice guideline
    BMJ, 367, l5515
    DOI 10.1136/bmj.l5515, PubMed 31578196
11. Helsingen LM, Vandvik PO, Jodal HC, Murphy SB, Heen AF, Kalager M, Bretthauer M (2019)
    [Colorectal cancer screening, yes or no?]
    Tidsskr Nor Laegeforen, 139 (15)
    DOI 10.4045/tidsskr.19.0323, PubMed 31642636
12. Helsingen LM, Vandvik PO, Jodal HC, Murphy SB, Heen AF, Kalager M, Bretthauer M (2019)
    Colorectal cancer screening, right?
    Tidsskr. Nor. Laegeforen., 139 (15), 1450-1451
13. 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
14. 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
15. Holme Ø, Bretthauer M, Løberg M, Kalager M, Adami HO (2019)
    Revisiting surveillance schemes for cancer survivors
    Ann Oncol, 30 (6), 881-883
    DOI 10.1093/annonc/mdz107, PubMed 30895293
16. Holme Ø, Bretthauer M, Løberg M, Kalager M, Adami HO (2019)
    Reply to the letter to the editor 'Cancer survivors: surveillance or not surveillance?' by Santeufemia and Miolo
    Ann Oncol, 30 (9), 1531-1532
    DOI 10.1093/annonc/mdz190, PubMed 31198953
17. 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
18. 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
19. 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
20. Spadaccini M, Frazzoni L, Vanella G, East J, Radaelli F, Spada C, Fuccio L, Benamouzig R, Bisschops R, Bretthauer M, Dekker E, Dinis-Ribeiro M, Ferlitsch M, Gralnek I, Jover R, Kaminski MF, Pellisé M, Triantafyllou K, Van Hooft JE, Dumonceau JM, Marmo C, Alfieri S, Chandrasekar VT, Sharma P, Rex DK et al. (2019)
    Efficacy and Tolerability of High- vs Low-Volume Split-Dose Bowel Cleansing Regimens for Colonoscopy: A Systematic Review and Meta-analysis
    Clin Gastroenterol Hepatol, 18 (7), 1454-1465.e14
    DOI 10.1016/j.cgh.2019.10.044, PubMed 31683057
21. Wieszczy P, Kaminski MF, Franczyk R, Loberg M, Kobiela J, Rupinska M, Kocot B, Rupinski M, Holme O, Wojciechowska U, Didkowska J, Ransohoff D, Bretthauer M, Kalager M, Regula J (2019)
    Colorectal Cancer Incidence and Mortality After Removal of Adenomas During Screening Colonoscopies
    Gastroenterology, 158 (4), 875-883.e5
    DOI 10.1053/j.gastro.2019.09.011, PubMed 31563625

Publications 2018

1. Bretthauer M (2018)
   [Screening for melanoma is a poor idea]
   Tidsskr Nor Laegeforen, 138 (17)
   DOI 10.4045/tidsskr.18.0600, PubMed 30378406
2. Bretthauer M (2018)
   Screening for melanoma is a bad idea
   Tidsskr. Nor. Laegeforen., 138 (17), 1589
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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

1. 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
2. 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
3. Bretthauer M (2017)
   [Data sharing]
   Tidsskr Nor Laegeforen, 137 (10), 738
   DOI 10.4045/tidsskr.17.0366, PubMed 28551975
4. Bretthauer M (2017)
   [Correct and proper critical pathway]
   Tidsskr Nor Laegeforen, 137 (17)
   DOI 10.4045/tidsskr.17.0510, PubMed 28925233
5. Bretthauer M (2017)
   Right and correct package
   Tidsskr. Nor. Laegeforen., 137 (17), 1264
6. Bretthauer M, Adami HO (2017)
   Zweifel
   Tidsskr Nor Laegeforen, 137 (20)
   DOI 10.4045/tidsskr.17.0875, PubMed 29094556
7. Bretthauer M, Adami HO (2017)
   Doubt
   Tidsskr. Nor. Laegeforen., 137 (20), 1577-1578
8. Bretthauer M, Dinis-Ribeiro M, Siersema PD (2017)
   Foreword
   Endoscopy, 49 (3), 213
   DOI 10.1055/s-0043-102442, PubMed 28249316
9. Bretthauer M, Kaminski MF, Emilsson L, Adami HO (2017)
   Uppföljning efter polypektomi: riktlinjer, tro och evidens
   Lakartidningen, 114
   PubMed 28696487
10. 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
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. Olsen SE, Bretthauer M, Kalager M (2017)
    More harm than benefit - how much should the patients know? Reply
    Tidsskr. Nor. Laegeforen., 137 (9), 599
26. 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

1. 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
2. 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
3. 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
4. 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
5. 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
6. Bretthauer M, Hem E (2016)
   [M. Bretthauer & E. Hem reply]
   Tidsskr Nor Laegeforen, 136 (1), 10
   DOI 10.4045/tidsskr.15.1307, PubMed 26757645
7. Bretthauer M, Hem E (2016)
   Circumcision of boys Reply
   Tidsskr. Nor. Laegeforen., 136 (1), 10
8. 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
9. 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
10. 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
11. Bretthauer M, Schei E (2016)
    Snill Perfeksjonistisk Refser
    Tidsskr Nor Laegeforen, 136 (1), 24-6
    DOI 10.4045/tidsskr.15.1257, PubMed 26757655
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. Gjøstein DK, Bretthauer M, Løberg M (2016)
    D.K. Gjøstein og medarbeidere svarer
    Tidsskr Nor Laegeforen, 136 (16), 1326-7
    DOI 10.4045/tidsskr.16.0690, PubMed 27637038
21. 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
22. 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
23. 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
24. 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
25. Kalager M, Adami HO, Bretthauer M (2016)
    Recognizing Data Generation
    N Engl J Med, 374 (19), 1898
    DOI 10.1056/NEJMc1603789, PubMed 27096437
26. 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
27. 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
28. 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
29. 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

1. Bretthauer M, Hem E (2015)
   [Circumcision of boys]
   Tidsskr Nor Laegeforen, 135 (21), 1926-7
   DOI 10.4045/tidsskr.15.0756, PubMed 26577316
2. 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
3. Bretthauer M, Hem E (2015)
   Circumcision of boys Reply
   Tidsskr. Nor. Laegeforen., 135 (23-24), 2130
4. 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
5. 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
6. Garborg K, Kaminski MF, Bretthauer M (2015)
   Reply to Ishaq et al
   Endoscopy, 47 (10), 959
   DOI 10.1055/s-0034-1392409, PubMed 26417975
7. Garborg K, Kaminski MF, Bretthauer M (2015)
   Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: less is more Reply
   Endoscopy, 47 (10), 959
8. 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
9. 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
10. Løberg M, Lousdal ML, Bretthauer M, Kalager M (2015)
    Benefits and harms of mammography screening
    Breast Cancer Res, 17 (1), 63
    DOI 10.1186/s13058-015-0525-z, PubMed 25928287
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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

1. 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
2. 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
3. Bretthauer M, Loberg M, Kalager M (2014)
   Long-Term Colorectal-Cancer Mortality after Adenoma Removal REPLY
   N. Engl. J. Med., 371 (21), 2035-2036
4. 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
5. 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
6. 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
7. 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
8. Hem E, Gjersvik P, Bretthauer M (2014)
   [Comparative effectiveness research]
   Tidsskr Nor Laegeforen, 134 (14), 1374
   DOI 10.4045/tidsskr.14.0485, PubMed 25096435
9. 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
10. 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
11. 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
12. 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
13. Kalager M, Adami HO, Bretthauer M (2014)
    Too much mammography
    BMJ, 348, g1403
    DOI 10.1136/bmj.g1403, PubMed 24519765
14. 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
15. 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
16. 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
17. 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
18. 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

1. 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
2. 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
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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, 2013 (9), CD009259
   DOI 10.1002/14651858.CD009259.pub2, PubMed 24085634
9. 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
10. 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
11. 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
12. 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
13. 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

1. 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 (12), e27
   DOI 10.1038/ctg.2012.21, PubMed 23324654
2. 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
3. Bretthauer M, Hoff G (2012)
   Comparative effectiveness research in cancer screening programmes
   BMJ, 344, e2864
   DOI 10.1136/bmj.e2864, PubMed 22628002
4. 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
5. Bretthauer M, Kalager M (2012)
   Colorectal-Cancer Screening Reply
   N. Engl. J. Med., 366 (22), 2131
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
    DOI 10.7326/0003-4819-157-3-201208070-00025
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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

1. Bretthauer M (2011)
   Colorectal cancer screening
   J Intern Med, 270 (2), 87-98
   DOI 10.1111/j.1365-2796.2011.02399.x, PubMed 21575082
2. Bretthauer M, Haug C (2011)
   [What is established treatment?]
   Tidsskr Nor Laegeforen, 131 (13-14), 1275
   DOI 10.4045/tidsskr.11.13E1, PubMed 21725376
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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