
Bretthauer, Michael
Professor
- Barua, Ishita; Wieszczy, Paulina; Kudo, Shin-ei; Masashi, Misawa; Holme, Øyvind; Gulati, Shraddha; Williams, Sophie; Mori, Kensaku; Itoh, Hayato; Takishima, Kazumi; Mochizuki, Kenichi; Miyata, Yuki; Mochida, Kentaro; Akimoto, Yoshika; Kuroki, Takanori; Morita, Yuriko; Shiina, Osamu; Kato, Shunsuke; Nemoto, Tetsuo; Hayee, Bu; Patel, Mehul; Gunasingam, Nishmi; Kent, Alexandra; Emmanuel, Andrew; Munck, Carl; Nilsen, Jens Aksel; Hvattum, Stine Astrup; Frigstad, Svein Oskar; Tandberg, Petter; Løberg, Magnus; Kalager, Mette; Haji, Amyn; Bretthauer, Michael; Mori, Yuichi. Real-Time Artificial Intelligence–Based Optical Diagnosis of Neoplastic Polyps during Colonoscopy. NEJM Evidence 2022. ISSN 2766-5526.s doi: 10.1056/EVIDoa2200003.
- Pedersen, Ina B.; Rawa-Goleblewska, Anna; Calderwood, Audrey H.; Brix, Lone D.; Grode, Louise B.; Botteri, Edoardo; Bugajski, Marek; Kaminski, Michal F.; Januszewicz, Wladyslaw; Ødegaard, Hjalmar; Kleist, Britta A.; Kalager, Mette; Løberg, Magnus; Bretthauer, Michael; Hoff, Geir; Medhus, Asle W.; Holme, Øyvind. Complete Polyp Resection with Cold versus Hot snare Polypectomy for Polyps sized 4-9 mm: A randomized controlled trial. Endoscopy 2022. ISSN 0013-726X.s doi: 10.1055/a-1734-7952.
- Yu, Jingru; Refsum, Erle; Helsingen, Lise Mørkved; Folseraas, Trine; Ploner, Alexander; Wieszczy, Paulina; Barua, Ishita; Jodal, Henriette C.; Melum, Espen; Løberg, Magnus; Blom, Johannes; Bretthauer, Michael; Adami, Hans Olov; Kalager, Mette; Ye, Weimin. 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 Gastroenterology journal 2022; Volum 10 (2). ISSN 2050-6406.s 212 - 224.s doi: 10.1002/ueg2.12204.
- Yu, Jingru; Refsum, Erle; Perrin, Vera; Helsingen, Lise Mørkved; Wieszczy, Paulina; Løberg, Magnus; Bretthauer, Michael; Adami, Hans Olov; Ye, Weimin; Blom, Johannes; Kalager, Mette. Inflammatory bowel disease and risk of adenocarcinoma and neuroendocrine tumors in the small bowel. Annals of Oncology 2022. ISSN 0923-7534.s 1 - 8.s doi: 10.1016/j.annonc.2022.02.226.
- Mori, Yuichi; Neumann, Helmut; Misawa, Masashi; Kudo, Shin-Ei; Bretthauer, Michael. Artificial intelligence in colonoscopy - Now on the market. What's next?. Journal of Gastroenterology and Hepatology 2021; Volum 36. ISSN 0815-9319.s 7 - 11.s doi: 10.1111/jgh.15339.
- Wieszczy, Paulina; Kaminski, Michal F; Løberg, Magnus; Bugajski, Marek; Bretthauer, Michael; Kalager, Mette. Estimation of overdiagnosis in colorectal cancer screening with sigmoidoscopy and faecal occult blood testing: Comparison of simulation models. BMJ Open 2021; Volum 11 (4). ISSN 2044-6055.s 1 - 10.s doi: 10.1136/bmjopen-2020-042158.
- Schult, Anna Lisa; Botteri, Edoardo; Hoff, Geir; Holme, Øyvind; Bretthauer, Michael; Randel, Kristin Ranheim; Gulichsen, Elisabeth Haagensen; El-Safadi, Badboni; Barua, Ishita; Munck, Carl; Nilsen, Linn Rosén; Svendsen, Hege Marie; de Lange, Thomas. Women require routine opioids to prevent painful colonoscopies: a randomised controlled trial. Scandinavian Journal of Gastroenterology 2021; Volum 56 (12). ISSN 0036-5521.s 1480 - 1489.s doi: 10.1080/00365521.2021.1969683.
- Waldmann, Elisabeth; Kammerlander, Andreas A.; Gessl, Irina; Penz, Daniela; Majcher, Barbara; Hinterberger, Anna; Bretthauer, Michael; Trauner, Michael; Ferlitsch, Monika. Association of Adenoma Detection Rate and Adenoma Characteristics With Colorectal Cancer Mortality After Screening Colonoscopy. Clinical Gastroenterology and Hepatology 2021; Volum 19 (9). ISSN 1542-3565.s 1890 - 1898.s doi: 10.1016/j.cgh.2021.04.023.
- Juul, Frederik E.; Jodal, Henriette C.; Barua, Ishita; Refsum, Erle; Olsvik, Ørjan; Helsingen, Lise Mørkved; Løberg, Magnus; Bretthauer, Michael; Kalager, Mette; Emilsson, Louise. Mortality in Norway and Sweden during the COVID-19 pandemic. Scandinavian Journal of Public Health 2021. ISSN 1403-4948.s 1 - 8.s doi: 10.1177/14034948211047137.
- Tønnesen, Christer Julseth; Hjelmesæth, Jøran; Hofsø, Dag; Tonstad, Serena; Hertel, Jens Kristoffer; Heggen, Eli; Johnson, Line Kristin; Mathisen, Tor-Erik; Kalager, Mette; Wieszczy, Paulina; Medhus, Asle Wilhelm; Løberg, Magnus; Aabakken, Lars; Bretthauer, Michael. A novel intragastric balloon for treatment of obesity and type 2 diabetes. A two-center pilot trial. Scandinavian Journal of Gastroenterology 2021; Volum 57 (2). ISSN 0036-5521.s 232 - 238.s doi: 10.1080/00365521.2021.1994641.
- Jodal, Henriette C.; Klotz, Dagmar; Herfindal, Magnhild; Barua, Ishita; Tag, Petter; Helsingen, Lise Mørkved; Refsum, Erle; Holme, Øyvind; Adami, Hans Olov; Bretthauer, Michael; Kalager, Mette; Løberg, Magnus. Long-term colorectal cancer incidence and mortality after adenoma removal in women and men. Alimentary Pharmacology and Therapeutics 2021. ISSN 0269-2813.s 1 - 10.s doi: 10.1111/apt.16686.
- Helsingen, Lise Mørkved; Løberg, Magnus; Refsum, Erle; Gjøstein, Dagrun Kyte; Wieszczy, Paulina; Olsvik, Ørjan; Juul, Frederik Emil; Barua, Ishita; Jodal, Henriette C.; Herfindal, Magnhild; Mori, Yuichi; Jore, Solveig; Lund-Johansen, Fridtjof; Fretheim, Atle; Bretthauer, Michael; Kalager, Mette. Covid-19 transmission in fitness centers in Norway - a randomized trial. BMC Public Health 2021; Volum 21. ISSN 1471-2458.s 1 - 9.s doi: 10.1186/s12889-021-12073-0.
- Usher-Smith, Juliet A.; Mills, Katie M.; Riedinger, Christiane; Saunders, Catherine L.; Helsingen, Lise Mørkved; Lytvyn, Lyubov; Buskermolen, Maaike; Lansdorp-Vogelaar, Iris; Bretthauer, Michael; Guyatt, Gordon; Griffin, Simon J.. 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 2021; Volum 16 (2). ISSN 1932-6203.s doi: 10.1371/journal.pone.0246991.
- Wieszczy, Paulina; Waldmann, Elisabeth; Løberg, Magnus; Regula, Jaroslaw; Rupinski, Maciej; Bugajski, Marek; Gray, Kathryn; Kalager, Mette; Ferlitsch, Monika; Kamiński, Michał Filip; Bretthauer, Michael. Colonoscopist Performance and Colorectal Cancer Risk After Adenoma Removal to Stratify Surveillance: Two Nationwide Observational Studies. Gastroenterology 2021; Volum 160 (4). ISSN 0016-5085.s 1067 - 1074.e6.s doi: 10.1053/j.gastro.2020.10.009.
- Barua, Ishita; Guerrero Vinsard, Daniela; Jodal, Henriette C.; Løberg, Magnus; Kalager, Mette; Holme, Øyvind; Masashi, Misawa; Bretthauer, Michael; Mori, Yuichi. Artificial intelligence for polyp detection during colonoscopy: A systematic review and meta-analysis. Endoscopy 2020. ISSN 0013-726X.s doi: 10.1055/a-1201-7165.
- Adami, Hans Olov; Bretthauer, Michael; Kalager, Mette. Assessment of cancer screening effectiveness in the era of screening programs. European Journal of Epidemiology (EJE) 2020. ISSN 0393-2990.s doi: 10.1007/s10654-020-00684-7.
- Pedersen, Ina Borgenheim; Bretthauer, Michael; Kalager, Mette; Løberg, Magnus; Hoff, Geir; Matapour, Senaria; Hugin, Silje Hee; Frigstad, Svein Oskar; Seip, Birgitte Karen Berggreen; Kleist, Britta; Løvdal, Leif; Botteri, Edoardo; Holme, Øyvind. Incomplete endoscopic resection of colorectal polyps: a prospective quality assurance study. Endoscopy 2020. ISSN 0013-726X.s 1 - 9.s doi: 10.1055/a-1243-0379.
- Helsingen, Lise M.; Refsum, Erle; Gjøstein, Dagrun Kyte; Løberg, Magnus; Bretthauer, Michael; Kalager, Mette; Emilsson, Louise. The COVID-19 pandemic in Norway and Sweden – threats, trust, and impact on daily life: a comparative survey. BMC Public Health 2020; Volum 20:1597. ISSN 1471-2458.s 1 - 10.s doi: 10.1186/s12889-020-09615-3.
- Randel, Kristin Ranheim; Schult, Anna Lisa; Botteri, Edoardo; Hoff, Geir; Bretthauer, Michael; Ursin, Giske; Natvig, Erik; Berstad, Paula; Jørgensen, Anita; Sandvei, Per; Olsen, Marie Kristin Ek; Frigstad, Svein Oskar; Darre-Næss, Ole; Norvard, Espen; Bolstad, Nils; Kørner, Hartwig; Wibe, Arne; Wensaas, Knut-Arne; de Lange, Thomas; Holme, Øyvind. Colorectal cancer screening with repeated fecal immunochemical test versus sigmoidoscopy: baseline results from a randomized trial. Gastroenterology 2020; Volum 160 (4). ISSN 0016-5085.s 1085 - 1096.s doi: 10.1053/j.gastro.2020.11.037.
- Barua, Ishita; Mori, Yuichi; Bretthauer, Michael. Colorectal polyp characterization with endocytoscopy: Ready for widespread implementation with artificial intelligence?. Baillière's Best Practice & Research : Clinical Gastroenterology 2020. ISSN 1521-6918.s doi: 10.1016/j.bpg.2020.101721.
- Hassan, Cesare; Antonelli, Giulio; Dumonceau, Jean-Marc; Regula, Jaroslaw; Bretthauer, Michael; Chaussade, Stanislas; Dekker, Evelien; Ferlitsch, Monika; Gimeno-Garcia, Antonio; Jover, Rodrigo; Kalager, Mette; Pellisé, Maria; Pox, Christian; Ricciardiello, Luigi; Rutter, Matthew D.; Helsingen, Lise M.; Bleijenberg, Arne; Senore, Carlo; Van Hooft, Jeanin E.; Dinis-Ribeiro, Mario; Quintero, Enrique. Post-polypectomy colonoscopy surveillance: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2020. Endoscopy 2020; Volum 52 (8). ISSN 0013-726X.s 687 - 700.s doi: 10.1055/a-1185-3109.
- Helsingen, Lise M.; Zeng, Linan; Siemieniuk, Reed A.C.; Lytvyn, Lyubov; Vandvik, Per Olav; Agoritsas, Thomas; Bretthauer, Michael; Guyatt, Gordon. Establishing thresholds for important benefits considering the harms of screening interventions. BMJ Open 2020; Volum 10:e037854 (12). ISSN 2044-6055.s 1 - 9.s doi: 10.1136/bmjopen-2020-037854.
- Tønnesen, Christer Julseth; Young, Juliet; Glomsaker, Tom Birger; Mala, Tom; Løberg, Magnus; Bretthauer, Michael; Refsum, Erle; Aabakken, Lars. Laparoscopy-assisted versus balloon enteroscopy-assisted ERCP after Roux-en-Y gastric bypass. Endoscopy 2020; Volum 52 (8). ISSN 0013-726X.s 654 - 661.s doi: 10.1055/a-1139-9313.
- Mori, Yuichi; Kudo, Shin-Ei; East, James; Rastogi, Amit; Bretthauer, Michael; Misawa, Masashi; Sekiguchi, Masau; Matsuda, Takahisa; Saito, Yutaka; Ikematsu, Hiroaki; Hotta, Kinichi; Ohtsuka, Kazuo; Kudo, Toyoki; Mori, Kensaku. Cost savings in colonoscopy with artificial intelligence-aided polyp diagnosis: an add-on analysis of a clinical trial (with video). Gastrointestinal Endoscopy 2020; Volum 92 (4). ISSN 0016-5107.s 905 - 911.s doi: 10.1016/j.gie.2020.03.3759.
- Spadaccini, Marco; Frazzoni, Leonardo; Vanella, Giuseppe; East, James; Radaelli, Franco; Spada, Cristiano; Fuccio, Lorenzo; Benamouzig, Robert; Bisschops, Raf; Bretthauer, Michael; Dekker, Evelien; Dinis-Ribeiro, Mario; Ferlitsch, Monika; Gralnek, Ian; Jover, Rodrigo; Kamiński, Michał Filip; Pellisé, Maria; Triantafyllou, Konstantinos; Van Hooft, Jeanin E.; Dumonceau, Jean-Marc; Marmo, Clelia; Alfieri, Sergio; Chandrasekar, Viveksandeep Thoguluva; Sharma, Prateek; Rex, Doug K.; Repici, Alessandro; Hassan, Cesare. Efficacy and tolerability of high- vs low-volume split-dose bowel cleansing regimens for colonoscopy: A systematic review and meta-analysis. Clinical Gastroenterology and Hepatology 2020; Volum 18 (7). ISSN 1542-3565.s 1454 - 1465.s doi: 10.1016/j.cgh.2019.10.044.
- Zimmermann-Fraedrich, Katharina; Pohl, Heiko; Rösch, Thomas; Rex, Douglas; Hassan, Cecare; Dekker, Evelien; Kamiński, Michał Filip; Bretthauer, Michael; de Heer, Jocelyn; Werner, Yuki; Schachschal, Guido; Groth, Stefan. 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 2020. ISSN 0017-5749.s doi: 10.1136/gutjnl-2020-320984.
- Zeng, Linan; Helsingen, Lise M.; Nampo, Fernando Kenji; Wang, Yuting; Yao, Linag; Siemieniuk, Reed Alexander; Bretthauer, Michael; Guyatt, Gordon H. How do cancer screening guidelines trade off benefits versus harms and burdens of screening? A systematic survey. BMJ Open 2020. ISSN 2044-6055.s doi: 10.1136/bmjopen-2020-038322.
- Hoff, Geir; de Lange, Thomas; Bretthauer, Michael; Dahler, Stein; Halvorsen, Fred-Arne; Huppertz-Hauss, Gert; Høie, Ole Ingebreth; Kjellevold, Øystein; Moritz, Volker; Sandvei, Per; Seip, Birgitte Karen Berggreen; Holme, Øyvind. Registration bias in a clinical quality register. Endoscopy International Open 2019; Volum 7 (1). ISSN 2196-9736.s E90 - E98.s doi: 10.1055/a-0806-7006.
- Randel, Kristin Ranheim; Botteri, Edoardo; Romstad, Katrine Maria Kauczynska; Frigstad, Svein Oskar; Bretthauer, Michael; Hoff, Geir; de Lange, Thomas; Holme, Øyvind. Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer Screening. Gastroenterology 2019; Volum 156 (6). ISSN 0016-5085.s 1642 - 1649.e1.s doi: 10.1053/j.gastro.2019.01.040.
- Hoff, Geir; Botteri, Edoardo; Høie, Ole Ingebreth; Garborg, Kjetil Kjeldstad; Wiig, Håvard; Huppertz-Hauss, Gert; Moritz, Volker; Bretthauer, Michael; Holme, Øyvind. Polyp detection rates as quality indicator in clinical versus screening colonoscopy. Endoscopy International Open 2019; Volum 7 (2). ISSN 2196-9736.s doi: 10.1055/a-0796-6477.
- Valori, Roland; Cortas, George; de Lange, Thomas; Salem Balfaqih, Omer; de Pater, Marjon; Eisendrath, Pierre; Falt, Premysl; Koruk, Irfan; Ono, Akiko; Rustemović, Nadan; Schoon, Erik; Veitch, Andrew; Senore, Carlo; Bellisario, Cristina; Minozzi, Silvia; Bennett, Cathy; Bretthauer, Michael; Dinis-Ribeiro, Mario; Domagk, Dirk; Hassan, Cesare; Kamiński, Michał Filip; Rees, Colin J.; Spada, Cristiano; Bisschops, Raf; Rutter, Mathew. Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative. United European Gastroenterology journal 2019; Volum 7 (1). ISSN 2050-6406.s 21 - 44.s doi: 10.1177/2050640618810242.
- Bugajski, M; Wieszczy, P; Rupinski, M; Hoff, Geir; Huppertz-Hauss, Gert; Regula, J; Bretthauer, Michael; Kamiński, Michał Filip. Effectiveness of digital feedback on patient experience and 30-day complications after screening colonoscopy: a randomized Health services study. Endoscopy International Open 2019; Volum 7 (4). ISSN 2196-9736.s E537 - E544.s doi: 10.1055/a-0830-4648.
- Spada, Cristiano; McNamara, Deirdre; Despott, Edward J.; Adler, Samuel; Cash, Brooks D.; Fernández-Urién, Ignacio; Ivekovic, Hrvoje; Keuchel, Martin; McAlindon, Mark; Saurin, Jean-Christophe; Panter, Simon; Bellisario, Cristina; Minozzi, Silvia; Senore, Carlo; Bennett, Cathy; Bretthauer, Michael; Dinis-Ribeiro, Mario; Domagk, Dirk; Hassan, Cesare; Kamiński, Michał Filip; Rees, Colin J.; Valori, Roland; Bisschops, Raf; Rutter, Matthew D.. Performance measures for small-bowel endoscopy: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative. Endoscopy 2019; Volum 51 (6). ISSN 0013-726X.s 574 - 598.s doi: 10.1055/a-0889-9586.
- Spada, Cristiano; McNamara, Deirdre; Despott, Edward J.; Adler, Samuel; Cash, Brooks D.; Fernández-Urién, Ignacio; Ivekovic, Hrvoje; Keuchel, Martin; McAlindon, Mark; Saurin, Jean-Christophe; Panter, Simon; Bellisario, Cristina; Minozzi, Silvia; Senore, Carlo; Bennett, Cathy; Bretthauer, Michael; Dinis-Ribeiro, Mario; Domagk, Dirk; Hassan, Cesare; Kamiński, Michał Filip; Rees, Colin J.; Valori, Roland; Bisschops, Raf; Rutter, Matthew D.. Performance measures for small-bowel endoscopy: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative. United European Gastroenterology journal 2019; Volum 7 (5). ISSN 2050-6406.s 614 - 641.s doi: 10.1177/2050640619850365.
- Bleijenberg, Arne; Klotz, Dagmar; Løberg, Magnus; Dekker, Evelien; Adami, Hans Olov; Kuipers, Ernst J.; Holme, Øyvind; Kalager, Mette; Emilsson, Louise; Kleist, Britta; Løvdal, Leif; Régula, Jarosław; Løberg, Else Marit; Ijspeert, Joep; Bretthauer, Michael. Implications of different guidelines for surveillance after serrated polyp resection in United States of America and Europe. Endoscopy 2019; Volum 51 (8). ISSN 0013-726X.s 750 - 758.s doi: 10.1055/a-0916-8598.
- García-Albéniz, Xabier; Hsu, John; Bretthauer, Michael; Hernán, Miguel A.. Estimating the Effect of Preventive Services With Databases of Administrative Claims: Reasons to Be Concerned. American Journal of Epidemiology 2019; Volum 188 (10). ISSN 0002-9262.s 1764 - 1767.s doi: 10.1093/aje/kwz049.
- Helsingen, Lise M.; Vandvik, Per Olav; Jodal, Henriette C.; Agoritsas, Thomas; Lytvyn, Lyubov; Anderson, Joseph C.; Auer, Reto; Murphy, Silje Bjerkelund; Almadi, Majid Abdulrahman; Corley, Douglas A; Quinlan, Casey; Fuchs, Jonathan M.; McKinnon, Annette; Qaseem, Amir; Heen, Anja Fog; Siemieniuk, Reed A.C.; Kalager, Mette; Usher-Smith, Juliet A.; Lansdorp-Vogelaar, Iris; Bretthauer, Michael; Guyatt, Gordon. Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: A clinical practice guideline. (fulltekst) The BMJ 2019; Volum 367:I5515. ISSN 1756-1833.s 1 - 16.s doi: 10.1136/bmj.l5515.
- Buskermolen, Maaike; Cenin, Dayna R; Helsingen, Lise M.; Guyatt, Gordon; Vandvik, Per Olav; Haug, Ulrike; Bretthauer, Michael; Lansdorp-Vogelaar, Iris. Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: a microsimulation modelling study. The BMJ 2019; Volum 367. ISSN 1756-1833.s 1 - 11.s doi: 10.1136/bmj.l5383.
- Hassan, Cesare; East, James; Radaelli, Franco; Spada, Cristiano; Benamouzig, Robert; Bisschops, Raf; Bretthauer, Michael; Dekker, E; Dinis-Ribeiro, Mario; Ferlitsch, Monika; Fuccio, Lorenzo; Awadie, Halim; Gralnek, Ian; Jover, Rodrigo; Kamiński, Michał Filip; Pellisé, Maria; Triantafyllou, Konstantinos; Vanella, Giuseppe; Mangas-Sanjuan, Carolina; Frazzoni, Leonardo; Van Hooft, Jeanin E.; Dumonceau, Jean-Marc. Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Guideline – Update 2019. Endoscopy 2019; Volum 51 (8). ISSN 0013-726X.s 775 - 794.s doi: 10.1055/a-0959-0505.
- Wieszczy, Paulina; Kamiński, Michał Filip; Franczyk, Robert; Løberg, Magnus; Kobiela, Jarek; Rupinska, Maria; Kocot, Bartlomiej; Rupinski, Maciej; Holme, Øyvind; Wojciechowska, Urszula; Didkowska, Joanna; Ransohoff, David F.; Bretthauer, Michael; Kalager, Mette; Regula, Jaroslaw. Colorectal Cancer Incidence and Mortality After Removal of Adenomas During Screening Colonoscopies. Gastroenterology 2019; Volum 158 (4). ISSN 0016-5085.s 875 - 883.s doi: 10.1053/j.gastro.2019.09.011.
- Holme, Øyvind; Løberg, Magnus; Kalager, Mette; Bretthauer, Michael; Hernán, Miguel A.; Aas, Eline; Eide, Tor Jacob; Skovlund, Eva; Lekven, Jon; Schneede, Jørn; Tveit, Magne Kjell; Vatn, Morten H; Ursin, Giske; Hoff, Geir. Long-term effectiveness of sigmoidoscopy screening on colorectal cancer incidence and mortality in women and men: A randomized trial. Annals of Internal Medicine 2018; Volum 168 (11). ISSN 0003-4819.s 775 - 782.s doi: 10.7326/M17-1441.
- Holme, Øyvind; Pedersen, Ina Borgenheim; Medhus, Asle Wilhelm; Aabakken, Lars; Glomsaker, Tom Birger; Kvamme, Jan-Magnus; Løberg, Magnus; Bretthauer, Michael; Seip, Birgitte Karen Berggreen; Kjellevold, Øystein; Jørgensen, Anita; Furholm, Siv; Hoff, Geir; de Lange, Thomas. Endoscopy assistants influence the quality of colonoscopy. Endoscopy 2018; Volum 50 (9). ISSN 0013-726X.s 871 - 877.s doi: 10.1055/s-0044-101706.
- Pinsky, Paul F.; Løberg, Magnus; Senore, Carlo; Wooldrage, Kate; Atkin, Wendy S.; Bretthauer, Michael; Cross, Amanda J; Hoff, Geir; Holme, Øyvind; Kalager, Mette; Segnan, Nereo; Schoen, Robert E.. Number of Adenomas Removed and Colorectal Cancers Prevented in Randomized Trials of Flexible Sigmoidoscopy Screening. Gastroenterology 2018; Volum 155 (4). ISSN 0016-5085.s 1059 - 1068.s doi: 10.1053/j.gastro.2018.06.040.
- Pedersen, Ina Borgenheim; Løberg, Magnus; Hoff, Geir; Kalager, Mette; Bretthauer, Michael; Holme, Øyvind. Polypectomy techniques among gastroenterologists in Norway – a nationwide survey. Endoscopy International Open 2018; Volum 6 (7). ISSN 2196-9736.s doi: 10.1055/a-0607-0727.
- Juul, Frederik Emil; Garborg, Kjetil Kjeldstad; Bretthauer, Michael; Skudal, Hilde Kristin; Oines, Mari N.; Wiig, Håvard; Rose, Øystein; Seip, Birgitte Karen Berggreen; Thomas Lamont, J.; Midtvedt, Tore; Valeur, Jørgen; Kalager, Mette; Holme, Øyvind; Helsingen, Lise M.; Løberg, Magnus; Adami, Hans Olov. Fecal microbiota transplantation for primary Clostridium difficile infection. New England Journal of Medicine 2018; Volum 378 (26). ISSN 0028-4793.s 2535 - 2537.s doi: 10.1056/NEJMc1803103.
- Bretthauer, Michael; Goderstad, Jeanne Mette; Løberg, Magnus; Emilsson, Louise; Ye, Weimin; Adami, Hans Olov; Kalager, Mette. Uterine morcellation and survival in uterine sarcomas. European Journal of Cancer 2018; Volum 101. ISSN 0959-8049.s 62 - 68.s doi: 10.1016/j.ejca.2018.06.007.
- Jodal, Henriette Cecilie; Løberg, Magnus; Holme, Øyvind; Adami, Hans Olov; Bretthauer, Michael; Emilsson, Louise; Ransohoff, David F.; Hoff, Geir; Kalager, Mette. Mortality from post-screening (interval) colorectal cancers is comparable to that from cancer in unscreened patients-a randomized sigmoidoscopy trial. Gastroenterology 2018; Volum 155 (6). ISSN 0016-5085.s 1787 - 1794.s doi: 10.1053/j.gastro.2018.08.035.
- Domagk, Dirk; Oppong, Kofi W.; Aabakken, Lars; Czakó, László; Gyökeres, Tibor; Manes, Gianpiero; Meier, Peter; Poley, Jan-Werner; Ponchon, Thierry; Tringali, Andrea; Bellisario, Cristina; Minozzi, Silvia; Senore, Carlo; Bennett, Cathy; Bretthauer, Michael; Hassan, Cesare; Kamiński, Michał Filip; Dinis-Ribeiro, Mário; Rees, Colin J.; Spada, Cristiano; Valori, Roland; Bisschops, Raf; Rutter, Matthew D.. Performance measures for ERCP and endoscopic ultrasound: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative. Endoscopy 2018; Volum 50 (11). ISSN 0013-726X.s 1116 - 1127.s doi: 10.1055/a-0749-8767.
- Bretthauer, Michael; Lauby-Secretan, B; Vilahur, Nadia; Bianchini, Franca; Guha, N; Straif, K; Pinsky, Paul F.; Blom, J; Rabeneck, L; Smith, RA; alhomoud, s; Corley, Douglas; Forman, D; Garcia, M; Hoffmeister, M; Hultcrantz, R; Lansdorp-Vogelaar, I; Nagtegaal, Iris; Sangrajrang, S; Sung, JJY; Zauber, AG; Robertson, David; Senore, C. The IARC Perspective on Colerectal Cancer Screening.. New England Journal of Medicine 2018; Volum 378 (18). ISSN 0028-4793.s 1734 - 1740.s doi: 10.1056/NEJMsr1714643.
- Kalager, Mette; Wieszczy, Paulina; Lansdorp-Vogelaar, I; Corley, Douglas; Bretthauer, Michael; Kamiński, Michał Filip. Overdiagnosis in Colorectal Cancer Screening: Time to Acknowledge a Blind Spot.. Gastroenterology 2018; Volum 155 (3). ISSN 0016-5085.s 592 - 595.s doi: 10.1053/j.gastro.2018.07.037.
- Adami, Hans Olov; Kalager, Mette; Valdimarsdottir, U; Bretthauer, Michael; Ioannidis, JPA. Time to abandon early detection cancer screening.. European Journal of Clinical Investigation 2018; Volum 49 (3). ISSN 0014-2972.s doi: 10.1111/eci.13062.
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- Emilsson, Louise; Holme, Øyvind; Bretthauer, Michael; Cook, Nancy R.; Buring, Julie E.; Løberg, Magnus; Adami, Hans Olov; Sesso, Howard D.; Gaziano, Mike; Kalager, Mette. Systematic review with meta-analysis: the comparative effectiveness of aspirin vs. screening for colorectal cancer prevention. Alimentary Pharmacology and Therapeutics 2017; Volum 45 (2). ISSN 0269-2813.s 193 - 204.s doi: 10.1111/apt.13857.
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- Adami, Hans Olov; Csermely, Peter; Veres, DV; Emilsson, Louise; Løberg, Magnus; Bretthauer, Michael; Kalager, Mette. Are rapidly growing cancers more lethal?. European Journal of Cancer 2017; Volum 72. ISSN 0959-8049.s 210 - 214.s doi: 10.1016/j.ejca.2016.11.011.
- García-Albéniz, Xabier; Hsu, John; Bretthauer, Michael; Hernan, Miguel A.. Effectiveness of Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years: A Prospective Observational Study.. Annals of Internal Medicine 2017; Volum 166 (1). ISSN 0003-4819.s 18 - 26.s doi: 10.7326/M16-0758.
- Holme, Øyvind; Schoen, Robert E.; Senore, Carlo; Segnan, Nereo; Hoff, Geir; Løberg, Magnus; Bretthauer, Michael; Adami, Hans Olov; Kalager, Mette. Effectiveness of flexible sigmoidoscopy screening in men and women and different age groups: Pooled analysis of randomised trials. The BMJ 2017; Volum 356. ISSN 1756-1833.s doi: 10.1136/bmj.i6673.
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- Øines, Mari Nanna; Helsingen, Lise M.; Bretthauer, Michael; Emilsson, Louise. Epidemiology and risk factors of colorectal polyps. Baillière's Best Practice & Research : Clinical Gastroenterology 2017; Volum 31 (4). ISSN 1521-6918.s 419 - 424.s doi: 10.1016/j.bpg.2017.06.004.
- Emilsson, Louise; Løberg, Magnus; Bretthauer, Michael; Holme, Øyvind; Fall, Katja; Jodal, Henriette Cecilie; Adami, Hans Olov; Kalager, Mette. Colorectal cancer death after adenoma removal in Scandinavia. Scandinavian Journal of Gastroenterology 2017; Volum 52 (12). ISSN 0036-5521.s 1377 - 1384.s doi: 10.1080/00365521.2017.1377763.
- Brandrud, Aleidis Esther Skard; Bretthauer, Michael; Brattebø, Guttorm; Pedersen, May Janne Botha; Håpnes, Kent; Møller, Karin; Bjørge, Trond; Nyen, Bjørnar; Strauman, Lars; Schreiner, Ada; Haldorsen, Gro S.; Bergli, Maria; Nelson, Eugene; Morgan, Tamara S.; Hjortdahl, Per. Local emergency medical response after a terrorist attack in Norway: A qualitative study. BMJ Quality and Safety 2017; Volum 26 (10). ISSN 2044-5415.s 806 - 816.s doi: 10.1136/bmjqs-2017-006517.
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- Garborg, Kjetil Kjelstad; de Lange, Thomas; Bretthauer, Michael. Quality Indicators in Colonoscopy. Curr Treat Options Gastroenterol 2017; Volum 15 (3). ISSN 1092-8472.s 416 - 428.s doi: 10.1007/s11938-017-0140-4.
- Moritz, Volker; Bretthauer, Michael; Holme, Øyvind; Fagerland, Morten; Løberg, Magnus; Glomsaker, Tom Birger; de Lange, Thomas; Seip, Birgitte Karen Berggreen; Sandvei, Per; Hoff, Geir. Time trends in quality indicators of colonoscopy. United European Gastroenterology journal 2016; Volum 4 (1). ISSN 2050-6406.s 110 - 120.s doi: 10.1177/2050640615570147.
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- Kaminski, Michal Filip; Anderson, John; Valori, R; Kraszewska, E; rupinski, maciej; pachlewski, jacek; Wronska, Ewa; Bretthauer, Michael; thomas-gibson, siwan; Kuipers, EJ; Regula, Jaroslaw. Leadership training to improve adenoma detection rate in screening colonoscopy: a randomised trial.. Gut 2016; Volum 65 (4). ISSN 0017-5749.s 616 - 624.s doi: 10.1136/gutjnl-2014-307503.
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- Hassan, Cesare; Repici, A; Sharma, P; Correale, L; Zullo, A.; Bretthauer, Michael; Senore, Carlo; Spada, Cristiano; Bellisario, C; Bhandari, P; Rex, DK. Efficacy and safety of endoscopic resection of large colorectal polyps: a systematic review and meta-analysis.. Gut 2016; Volum 65 (5). ISSN 0017-5749.s 806 - 820.s doi: 10.1136/gutjnl-2014-308481.
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- Berstad, Paula Marianna; Botteri, Edoardo; Larsen, Inger Kristin; Løberg, Magnus; Kalager, Mette; Holme, Øyvind; Bretthauer, Michael; Hoff, Geir. Lifestyle changes at middle age and mortality: A population-based prospective cohort study. Journal of Epidemiology and Community Health 2016; Volum 71 (1). ISSN 0143-005X.s 59 - 66.s doi: 10.1136/jech-2015-206760.
- Adami, Hans Olov; Bretthauer, Michael; Emilsson, Louise; Hernan, Miguel A.; Kalager, Mette; Ludvigsson, Jonas F.; Ekbom, Anders. The continuing uncertainty about cancer risk in inflammatory bowel disease. Gut 2016; Volum 65 (6). ISSN 0017-5749.s 889 - 893.s doi: 10.1136/gutjnl-2015-311003.
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- Løberg, Magnus; Lousdal, Mette Lise; Bretthauer, Michael; Kalager, Mette. Benefits and harms of mammography screening. Breast Cancer Research 2015; Volum 17 (1). ISSN 1465-5411.s doi: 10.1186/s13058-015-0525-z.
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- Kalager, Mette; Løberg, Magnus; Bretthauer, Michael; Adami, Hans Olov. Comparative analysis of breast cancer mortality following mammography screening in Denmark and Norway. Annals of Oncology 2014; Volum 25 (6). ISSN 0923-7534.s 1137 - 1143.s doi: 10.1093/annonc/mdu122.
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- Holme, Øyvind; Bretthauer, Michael; Fretheim, Atle; Odgaard-Jensen, Jan; Hoff, Geir. Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals. Cochrane Database of Systematic Reviews 2013 (9CD009259). ISSN 1469-493X.s doi: 10.1002/14651858.CD009259.pub2.
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- Kalager, Mette; Adami, Hans-Olov; Bretthauer, Michael; Tamimi, Rulla. Overdiagnosis of Invasive Breast Cancer Due to Mammography Screening: Results From the Norwegian Screening Program. Annals of Internal Medicine 2012; Volum 156 (7). ISSN 0003-4819.s 491 - U61.s doi: 10.1059/0003-4819-156-7-201204030-00005.
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