Geir Hoff

Professor Emeritus - Department of Transplantation
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Norwegian version of this page
Mobile phone 91866762 +47-91866762
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Visiting address Postboks 4956 Nydalen None 0424 OSLO

Publications

  • Holme, Øyvind; Pedersen, Ina Borgenheim; Medhus, Asle Wilhelm; Aabakken, Lars; Glomsaker, Tom; Kvamme, Jan Magnus; Loberg, Magnus; Bretthauer, Michael; Seip, Birgitte Karen Berggreen; Kjellevold, Øystein; Jørgensen, Anita; Furholm, Siv; Hoff, Geir & de Lange, Thomas (2018). Endoscopy assistants influence the quality of colonoscopy. Endoscopy.  ISSN 0013-726X. . doi: 10.1055/s-0044-101706
  • Aas, Eline; Iversen, Tor & Hoff, Geir (2017). The effect of education on health behavior after screening for colorectal cancer., In Kristian Bolin (ed.),  Human Capital and Health Behavior. Advances in Health Economics and Health Services Research.  Emerald Group Publishing Limited.  ISBN 978-1-78635-466-2.  Part IV Information and health behavior.  s 207 - 242
  • Bugajski, Marek; Wieszczy, Paulina; Hoff, Geir; Rupinski, Maciej; Regula, Jaroslaw & Kaminski, Michal Filip (2017). Modifiable factors associated with patient-reported pain during and after screening colonoscopy. Gut.  ISSN 0017-5749. . doi: 10.1136/gutjnl-2017-313905
  • de Lange, Thomas; Randel, Kristin Ranheim; Schult, Anna Lisa; Knudsen, Markus Dines; Kirkøen, Benedicte; Botteri, Edoardo; Berstad, Paula Marianna; Jørgensen, Anita; Ursin, Giske; Bretthauer, Michael & Hoff, Geir (2017). Sigmoidoskopi og testing for blod i avføringen - En sammenlignende screeningstudie. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137(10), s 727- 730 . doi: 10.4045/tidsskr.16.1031
  • Hoff, Geir; de Lange, Thomas; Bretthauer, Michael; Buset, Magne; Dahler, Stein; Halvorsen, Fred-Arne; Halwe, Jörg Michael; Heibert, Mathis; Høie, Ole Ingebreth; Kjellevold, Øystein; Moritz, Volker; Sandvei, Per; Seip, Birgitte Karen Berggreen; Aabakken, Lars & Holme, Øyvind (2017). Patient-reported adverse events after colonoscopy in Norway. Endoscopy.  ISSN 0013-726X.  49(8), s 745- 753 . doi: 10.1055/s-0043-105265
  • Hoff, Geir; Holme, Øyvind; Bretthauer, Michael; Sandvei, Per; Darre-Næss, Ole; Stallemo, Asbjørn; Wiig, Håvard; Høie, Ole Ingebreth; Noraberg, Geir; Moritz, Volker & de Lange, Thomas (2017). Cecum intubation rate as quality indicator in clinical versus screening colonoscopy. Endoscopy International Open.  ISSN 2196-9736.  5(6), s E489- E495 . doi: 10.1055/s-0043-106180 Full text in Research Archive.
  • Holme, Øyvind; Schoen, Robert E.; Senore, Carlo; Segnan, Nereo; Hoff, Geir; Løberg, Magnus; Bretthauer, Michael; Adami, Hans Olov & Kalager, Mette (2017). Effectiveness of flexible sigmoidoscopy screening in men and women and different age groups: Pooled analysis of randomised trials. BMJ-BRITISH MEDICAL JOURNAL.  ISSN 1756-1833.  356 . doi: 10.1136/bmj.i6673 Full text in Research Archive.
  • Huppertz-Hauss, Gert; Høivik, Marte; Jelsness-Jørgensen, Lars-Petter; Opheim, Randi; Henriksen, Magne; Høie, Ole Ingebreth; Hovde, Øistein; Kempski-Monstad, Iril Lovise; Solberg, Inger Camilla; Jahnsen, Jørgen; Hoff, Geir; Moum, Bjørn & Bernklev, Tomm (2017). Fatigue in a population-based cohort of patients with inflammatory bowel disease 20 years after diagnosis: The IBSEN study. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  52(3), s 351- 358 . doi: 10.1080/00365521.2016.1256425
  • Kaminski, Michal Filip; Thomas-Gibson, Siwan; Bugajski, Marek; Bretthauer, Michael; Rees, Colin J.; Dekker, Evelien; Hoff, Geir; Jover, Rodrigo; Suchanek, Stepan; Ferlitsch, Monika; Anderson, John; Röesch, Thomas; Hultcranz, Rolf; Racz, Istvan; Kuipers, Ernst J.; Garborg, Kjetil Kjeldstad; East, James E.; Rupinski, Maciej; Seip, Birgitte Karen Berggreen; Bennett, Cathy; Senore, Carlo; Minozzi, Silvia; Bisschops, Raf; Domagk, Dirk; Valori, Roland; Spada, Cristiano; Hassan, Cesare; Dinis-Ribeiro, Mario & Rutter, Matthew D. (2017). Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative. United European Gastroenterology journal.  ISSN 2050-6406.  5(3), s 309- 334 . doi: 10.1177/2050640617700014
  • Kaminski, Michal Filip; Thomas-Gibson, Siwan; Bugajski, Marek; Bretthauer, Michael; Rees, Colin J.; Dekker, Evelien; Hoff, Geir; Jover, Rodrigo; Suchanek, Stepan; Ferlitsch, Monika; Anderson, John; Roesch, Thomas; Hultcranz, Rolf; Racz, Istvan; Kuipers, Ernst J.; Garborg, Kjetil Kjeldstad; East, James E; Rupinski, Maciej; Seip, Birgitte Karen Berggreen; Bennett, Cathy; Senore, Carlo; Minozzi, Silvia; Bisschops, Raf; Domagk, Dirk; Valori, Roland; Spada, Cristiano; Hassan, Cesare; Dinis-Ribeiro, Mario & Rutter, Matthew D. (2017). Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative. Endoscopy.  ISSN 0013-726X.  49(4), s 378- 397 . doi: 10.1055/s-0043-103411
  • Kirkøen, Benedicte; Berstad, Paula Marianna; Botteri, Edoardo; Dalén, Eirin; Nilsen, Jens Aksel; Hoff, Geir; de Lange, Thomas & Bernklev, Tomm (2017). Acceptability of two colorectal cancer screening tests: pain as a key determinant in sigmoidoscopy. Endoscopy.  ISSN 0013-726X.  49(11), s 1075- 1086 . doi: 10.1055/s-0043-117400
  • Knudsen, Markus Dines; Berstad, Paula Marianna; Hjartåker, Anette; Gulichsen, Elisabeth Haagensen; Hoff, Geir; de Lange, Thomas; Bernklev, Tomm & Botteri, Edoardo (2017). Lifestyle predictors for non-participation and outcome in the second round of faecal immunochemical test in colorectal cancer screening. British Journal of Cancer.  ISSN 0007-0920.  117(4), s 461- 469 . doi: 10.1038/bjc.2017.189 Full text in Research Archive.
  • Berstad, Paula Marianna; Botteri, Edoardo; Larsen, Inger Kristin; Løberg, Magnus; Kalager, Mette; Holme, Øyvind; Bretthauer, Michael & Hoff, Geir (2016). Lifestyle changes at middle age and mortality: A population-based prospective cohort study. Journal of Epidemiology and Community Health.  ISSN 0143-005X.  71(1), s 59- 66 . doi: 10.1136/jech-2015-206760
  • Bretthauer, Michael; Kaminski, Michal Filip; Løberg, Magnus; Zauber, Ann G.; Regula, Jaroslaw; Kuipers, Ernst J.; Hernan, Miguel A.; McFadden, Elenaor; Sunde, Annike; Kalager, Mette; Dekker, Evelien; Lansdorp-Vogelaar, Iris; Garborg, Kjetil Kjeldstad; Rupinski, Maciej; Spaander, Manon C.W.; Bugajski, Marek; Høie, Ole Ingebreth; Stefansson, Tryggvi; Hoff, Geir & Adami, Hans Olov (2016). Population-Based colonoscopy screening for colorectal cancer : A randomized clinical trial. JAMA Internal Medicine.  ISSN 2168-6106.  176(7), s 894- 902 . doi: 10.1001/jamainternmed.2016.0960
  • Holme, Øyvind; de Lange, Thomas; Stallemo, Asbjørn; Wiig, Håvard; Hasund, Audun; Dvergsnes, Katrine; Garborg, Kjetil Kjeldstad; Ystrøm, Carl Magnus; Løberg, Magnus; Hoff, Geir; Bretthauer, Michael & Kalager, Mette (2016). Routine vs. on-demand analgesia in colonoscopy: a randomized clinical trial. Endoscopy.  ISSN 0013-726X.  48(09), s 823- 828 . doi: 10.1055/s-0042-108433
  • Huppertz-Hauss, Gert; Aas, Eline; Høivik, Marte; Langholz, Ebbe; Odes, Selwyn; Småstuen, Milada C; Stockbrügger, Reinhold; Hoff, Geir; Moum, Bjørn & Bernklev, Tomm (2016). Comparison of the Multiattribute Utility Instruments EQ-5D and SF-6D in a Europe-Wide Population-Based Cohort of Patients with Inflammatory Bowel Disease 10 Years after Diagnosis. Gastroenterology Research and Practice.  ISSN 1687-6121.  2016:5023973, s 1- 9 . doi: 10.1155/2016/5023973
  • Huppertz-Hauss, Gert; Høivik, Marte; Jelsness-Jørgensen, Lars-Petter; Henriksen, Magne; Høie, Ole Ingebreth; Jahnsen, Jørgen; Hoff, Geir; Moum, Bjørn & Bernklev, Tomm (2016). Health-related quality of life in patients with inflammatory bowel disease 20 years after diagnosis: results from the IBSEN study. Inflammatory Bowel Diseases.  ISSN 1078-0998.  22(7), s 1679- 1687 . doi: 10.1097/MIB.0000000000000806
  • Jover, Rodrigo; Bretthauer, Michael; Dekker, Evelien; Holme, Øyvind; Kaminski, Michal Filip; Løberg, Magnus; Zauber, AG; Hernan, Miguel A.; Lansdorp-Vogelaar, I; Sunde, Annike; McFadden, Elenaor; Castells, A; Regula, Jaroslaw; Quintero, Enrique; Pellise, Maria; Senore, Carlo; Kalager, Mette; Dinis-Ribeiro, Mario; Emilsson, Louise; Ransohoff, David F.; Hoff, Geir & Adami, Hans Olov (2016). Rationale and design of the European Polyp Surveillance (EPoS) trials. Endoscopy.  ISSN 0013-726X.  48(6), s 571- 578 . doi: 10.1055/s-0042-104116
  • Kirkøen, Benedicte; Berstad, Paula Marianna; Botteri, Edoardo; Bernklev, Linn; El-Safadi, Badboni; Hoff, Geir; de Lange, Thomas & Bernklev, Tomm (2016). Psychological effects of colorectal cancer screening: Participants vs individuals not invited. World Journal of Gastroenterology.  ISSN 1007-9327.  22(43), s 9631- 9641 . doi: 10.3748/wjg.v22.i43.9631
  • Kirkøen, Benedicte; Berstad, Paula Marianna; Botteri, Edoardo; Åvitsland, Tone Lise; Ossum, Alvilde Maria; de Lange, Thomas; Hoff, Geir & Bernklev, Tomm (2016). Do no harm: No psychological harm from colorectal cancer screening. British Journal of Cancer.  ISSN 0007-0920.  114(5), s 497- 504 . doi: 10.1038/bjc.2016.14
  • Knudsen, Markus Dines; de Lange, Thomas; Botteri, Edoardo; Nguyen, Dung-Hong; Evensen, Helge; Steen, Chloe Beate; Hoff, Geir; Bernklev, Tomm; Hjartåker, Anette & Berstad, Paula Marianna (2016). Favorable lifestyle before diagnosis associated with lower risk of screen-detected advanced colorectal neoplasia. World Journal of Gastroenterology.  ISSN 1007-9327.  22(27), s 6276- 6286 . doi: 10.3748/wjg.v22.i27.6276
  • Knudsen, Markus Dines; Hjartåker, Anette; Olsen, Marie Kristin Ek; Hoff, Geir; de Lange, Thomas; Bernklev, Tomm & Berstad, Paula Marianna (2016). Changes in health behavior 1 year after testing negative at a colorectal cancer screening: a randomized-controlled study. European Journal of Cancer Prevention.  ISSN 0959-8278. . doi: 10.1097/CEJ.0000000000000328
  • Lorentzen, Jon Andreas; Grzyb, Krzysztof; De Angelis, Paula; Hoff, Geir; Eide, Tor Jacob & Andresen, Per Arne (2016). Oncogene Mutations in Colorectal Polyps Identified in the Norwegian Colorectal Cancer Prevention (NORCCAP) Screening Study. Clinical medicine insights. Pathology.  ISSN 1179-5557.  9(1), s 19- 28 . doi: 10.4137/CPath.s40143
  • Moritz, Volker; Bretthauer, Michael; Holme, Øyvind; Fagerland, Morten; Løberg, Magnus; Glomsaker, Tom Birger; de Lange, Thomas; Seip, Birgitte Karen Berggreen; Sandvei, Per & Hoff, Geir (2016). Time trends in quality indicators of colonoscopy. United European Gastroenterology journal.  ISSN 2050-6406.  4(1), s 110- 120 . doi: 10.1177/2050640615570147
  • Moritz, Volker; Holme, Øyvind; LeBlanc, Marissa & Hoff, Geir (2016). An explorative study from the Norwegian Quality Register Gastronet comparing self-estimated versus registered quality in colonoscopy performance. Endoscopy International Open.  ISSN 2196-9736.  4(3), s E326- 332 . doi: 10.1055/s-0042-100904
  • Young, Graeme P.; Senore, Carlo; Mandel, Jack S.; Allison, James E.; Atkin, Wendy S.; Benamouzig, Robert; Bossuyt, Patrick M.M.; De Silva, Mahinda; Guittet, Lydia; Halloran, Stephen P.; Haug, Ulrike; Hoff, Geir; Itzkovitz, Steven; Leja, Marcis; Levin, Bernard; Meijer, Gerrit A.; O'Morain, Colm A.; Parry, Susan J.; Rabeneck, Linda; Rozen, Paul; Saito, Hiroshi; Schoen, Robert; Seaman, Helen E.; Steele, Robert J.C.; Sung, Joseph Jao Yiu & Winawer, Sidney J. (2016). Recommendations for a step-wise comparative approach to the evaluation of new screening tests for colorectal cancer. Cancer.  ISSN 0008-543X.  122(6), s 826- 839 . doi: 10.1002/cncr.29865
  • Berstad, Paula Marianna; Løberg, Magnus; Larsen, Inger Kristin; Kalager, Mette; Holme, Øyvind; Botteri, Edoardo; Bretthauer, Michael & Hoff, Geir (2015). Long-term lifestyle changes after colorectal cancer screening: randomised controlled trial. Gut.  ISSN 0017-5749.  64(8), s 1268- 1276 . doi: 10.1136/gutjnl-2014-307376
  • Garborg, Kjetil Kjeldstad; Kaminski, Michal Filip; Lindenburger, Wolfgang; Wiig, Håvard; Hasund, Audun; Wronska, Ewa; Bie, Rolf Bruun; Kleist, Britta; Løvdal, Leif; Holme, Øyvind; Kalager, Mette; Hoff, Geir & Bretthauer, Michael (2015). Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: A multicenter randomized controlled trial. Endoscopy.  ISSN 0013-726X.  47(3), s 192- 199 . doi: 10.1055/s-0034-1390795
  • Hoff, Geir (2015). Gastrointestinal cancer screening: Screening may release new research funding to improve health service also in routine clinics. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  50(6), s 718- 726 . doi: 10.3109/00365521.2015.1011225
  • Hoff, Geir (2015). Look to Poland! Conversion from opportunistic screening to a randomized, national screening program for colorectal cancer. Endoscopy.  ISSN 0013-726X.  47(12), s 1104- 1105 . doi: 10.1055/s-0034-1393430
  • Holme, Øyvind; Bretthauer, Michael; Eide, Tor Jacob; Løberg, Else Marit; Grzyb, Krzysztof; Løberg, Magnus; Kalager, Mette; Adami, Hans Olov; Kjellevold, Øystein & Hoff, Geir (2015). Long-term risk of colorectal cancer in individuals with serrated polyps. Gut.  ISSN 0017-5749.  64(6), s 929- 936 . doi: 10.1136/gutjnl-2014-307793
  • Huitfeldt, Anders; Kalager, Mette; robins, james; Hoff, Geir & Hernan, Miguel A. (2015). Methods to Estimate the Comparative Effectiveness of Clinical Strategies that Administer the Same Intervention at Different Times.. Current Epidemiology Reports.  ISSN 2196-2995.  2(3), s 149- 161 . doi: 10.1007/s40471-015-0045-5
  • Huppertz-Hauss, Gert; Høivik, Marte; Langholz, E; Odes, Selwyn; Småstuen, Milada Cvancarova; Stockbrügger, Reinhold; Hoff, Geir; Moum, Bjørn & Bernklev, Tomm (2015). Health-related Quality of Life in Inflammatory Bowel Disease in a European-wide Population-based Cohort 10 Years After Diagnosis. Inflammatory Bowel Diseases.  ISSN 1078-0998.  21(2), s 337- 344 . doi: 10.1097/MIB.0000000000000272
  • Joranger, Pål; Nesbakken, Arild; Hoff, Geir; Sorbye, Halfdan; Oshaug, Arne & Aas, Eline (2015). Modeling and Validating the Cost and Clinical Pathway of Colorectal Cancer. Medical decision making.  ISSN 0272-989X.  35(2), s 255- 265 . doi: 10.1177/0272989X14544749 Full text in Research Archive.
  • Swanson, Sonja; Holme, Øyvind; Løberg, Magnus; Kalager, Mette; Bretthauer, Michael; Hoff, Geir; Aas, Eline & Hernan, Miguel A. (2015). Bounding the per-protocol effect in randomized trials: an application to colorectal cancer screening. Trials.  ISSN 1745-6215.  16(541) . doi: 10.1186/s13063-015-1056-8
  • Hoff, Geir (2014). Colorectal cancer: consensus for CRC screening, but who addresses the controversies?. Nature reviews: Gastroenterology & hepatology.  ISSN 1759-5045.  11(6), s 337- 339 . doi: 10.1038/nrgastro.2014.71
  • Holme, Øyvind; Bretthauer, Michael; Eide, Tor Jacob; Løberg, Else Marit; Grzyb, Krzysztof; Løberg, Magnus; Kalager, Mette; Adami, Hans Olov; Kjellevold, Øystein & Hoff, Geir (2014). Long-term risk of colorectal cancer in individuals with serrated polyps.. Gut.  ISSN 0017-5749. . doi: 10.1136/gutjnl-2014-307793
  • Holme, Øyvind; Løberg, Magnus; Kalager, Mette; Bretthauer, Michael; Hernan, Miguel A.; Aas, Eline; Eide, Tor Jacob; Skovlund, Eva; Schneede, Jørn; Tveit, Magne Kjell & Hoff, Geir (2014). Effect of Flexible Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality A Randomized Clinical Trial. Journal of the American Medical Association (JAMA).  ISSN 0098-7484.  312(6), s 606- 615 . doi: 10.1001/jama.2014.8266
  • Løberg, Magnus; Kalager, Mette; Holme, Øyvind; Hoff, Geir; Adami, Hans Olov & Bretthauer, Michael (2014). Long-Term Colorectal-Cancer Mortality after Adenoma Removal. New England Journal of Medicine.  ISSN 0028-4793.  371(9), s 799- 807 . doi: 10.1056/NEJMoa1315870
  • Glomsaker, Tom Birger; Hoff, Geir; Kvaløy, Jan Terje; Søreide, Kjetil; Aabakken, Lars & Søreide, Jon Arne (2013). Patient-reported outcome measures after endoscopic retrograde cholangiopancreatography: a prospective, multicentre study. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  48(7), s 868- 876 . doi: 10.3109/00365521.2013.794470
  • Glomsaker, Tom Birger; Hoff, Geir; Kvaløy, Jan Terje; Søreide, Kjetil; Aabakken, Lars & Søreide, Jon Arne (2013). Patterns and predictive factors of complications after endoscopic retrograde cholangiopancreatography. British Journal of Surgery.  ISSN 0007-1323.  100(3), s 373- 380 . doi: 10.1002/bjs.8992
  • Hoff, Geir (2013). Different standards for healthy screenees than patients in routine clinics?. World Journal of Gastroenterology.  ISSN 1007-9327.  19(46), s 8527- 8530 . doi: 10.3748/wjg.v19.i46.8527
  • Hoff, Geir (2013). The German colonoscopy screening program: the quality of a quality register. Endoscopy.  ISSN 0013-726X.  45(10), s 819- 820 . doi: 10.1055/s-0033-1344789
  • Hoff, Geir; Bretthauer, Michael; Garborg, Kjetil Kjeldstad & Eide, Tor Jacob (2013). New polyps, old tricks: controversy about removing bengin bowel lesions. BMJ (British Medical Journal).  ISSN 0959-8146.  347 . doi: 10.1136/bmj.f5843
  • Holme, Øyvind; Bretthauer, Michael; de Lange, Thomas; Seip, Birgitte Karen Berggreen; Huppertz-Hauss, Gert; Høie, Ole Ingebreth; Sandvei, Per; Ystrøm, Carl Magnus & Hoff, Geir (2013). Risk stratification to predict pain during unsedated colonoscopy: results of a multicenter cohort study. Endoscopy.  ISSN 0013-726X.  45(9), s 691- 696 . doi: 10.1055/s-0033-1344239
  • Holme, Øyvind; Bretthauer, Michael; Fretheim, Atle; Odgaard-Jensen, Jan & Hoff, Geir (2013). Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals. Cochrane Database of Systematic Reviews.  ISSN 1469-493X.  (9CD009259) . doi: 10.1002/14651858.CD009259.pub2
  • Holme, Øyvind; Moritz, Volker; Bretthauer, Michael; Seip, Birgitte Karen Berggreen; Glomsaker, Tom Birger; de Lange, Thomas; Aabakken, Lars; Stallemo, Asbjørn; Høie, Ole Ingebreth; Dahler, Stein; Sandvei, Per; Stray, Njaal; Ystrøm, Carl Magnus & Hoff, Geir (2013). Smerter ved koloskopi. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  133(10), s 1074- 1078 . doi: 10.4045/tidsskr.12.1467
  • Thiis-Evensen, Espen; Kalager, Mette; Bretthauer, Michael & Hoff, Geir (2013). Long-term effectiveness of endoscopic screening on incidence and mortality of colorectal cancer: A randomized trial. United European Gastroenterology journal.  ISSN 2050-6406.  1(3), s 162- 168 . doi: 10.1177/2050640613483290
  • 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, Lars; Altenhofen, L; Ancelle-Park, R; Antoljak, N; Anttila, A; Armaroli, P; Arrossi, S; Austoker, J; Banzi, R; Bellisario, C; Blom, J; Brenner, H; Bretthauer, Michael; Cancela, MC; Costamagna, G; Cuzick, J; Dai, M; Daniel, J; Dekker, E; Delicata, N; Ducarroz, S; Erfkamp, H; Espinas, JA; Faivre, J; Wood, LF; Flugelman, A; Frkovic-Grazio, S; Geller, B; Giordano, L; Grazzini, G; Green, J; Hamashima, C; Herrmann, C; Hewitson, P; Hoff, Geir; Holten, I; Jover, R; Kaminski, MF; Kuipers, EJ; Kurtinaitis, J; Lambert, R; Launoy, G; Lee, W; Leicester, R; Leja, M; Lieberman, D; Lignini, T; Lucas, E; Lynge, E; Madai, S; Marinho, J; Zakotnik, JM; Minoli, G; Monk, C; Morais, A; Muwonge, R; Nadel, M; Neamtiu, L; Tuser, MP; Pignone, M; Pox, C; Primic-Zakelj, M; Psaila, J; Rabeneck, L; Ransohoff, D; Rasmussen, M; Regula, J; Ren, J; Rennert, G; Rey, J; Riddell, RH; Risio, M; Rodrigues, V; Saito, H; Sauvaget, C; Scharpantgen, A; Schmiegel, W; Senore, C; Siddiqi, M; Sighoko, D; Smith, R; Smith, S; Suchanek, S; Suonio, E; Tong, W; Tornberg, S; Van Cutsem, E; Vignatelli, L; Villain, P; Voti, L; Watanabe, H; Watson, J; Winawer, S; Young, G; Zaksas, V; Zappa, M & Valori, R (2013). European guidelines for quality assurance in colorectal cancer screening and diagnosis: Overview and introduction to the full Supplement publication. Endoscopy.  ISSN 0013-726X.  45(1), s 51- 59 . doi: 10.1055/s-0032-1325997
  • Kaminski, MF; Bretthauer, Michael; Zauber, AG; Kuipers, EJ; Adami, Hans Olof; van Ballegooijen, M; Regula, J; van Leerdam, M; Stefansson, T; Pahlman, L; Dekker, Evelien; Hernan, MA; Garborg, Kjetil Kjeldstad & Hoff, Geir (2012). The NordICC Study: Rationale and design of a randomized trial on colonoscopy screening for colorectal cancer. Endoscopy.  ISSN 0013-726X.  44(7), s 695- 702 . doi: 10.1055/s-0032-1306895
  • Ahmed, Deeqa; Danielsen, Stine Aske; Ågesen, Trude Holmeide; Bretthauer, Michael; Thiis-Evensen, Espen; Hoff, Geir; Rognum, Torleiv Ole; Nesbakken, Arild; Lothe, Ragnhild A & Lind, Guro Elisabeth (2012). A tissue-based comparative effectiveness analysis of biomarkers for early detection of colorectal tumors. Clinical and Translational Gastroenterology.  ISSN 2155-384X.  3 . doi: 10.1038/ctg.2012.21
  • Atkin, W S; Valori, R; Kuipers, EJ; Hoff, Geir; Senore, C; Segnan, Nereo; Jover, R; Schmiegel, W; Lambert, R & Pox, C (2012). European guidelines for quality assurance in colorectal cancer screening and diagnosis. First Edidtion. Colonoscopic surveillance following adenoma removal. Endoscopy.  ISSN 0013-726X.  s 151- 163 . doi: 10.1055/s-0032-1309821
  • Bretthauer, Michael & Hoff, Geir (2012). Comparative effectiveness research in cancer screening programmes. BMJ (British Medical Journal).  ISSN 0959-8146.  344 . doi: 10.1136/bmj.e2864
  • Garborg, Kjetil Kjeldstad; Løberg, Magnus; Matre, Jon; Holme, Øyvind; Kalager, Mette; Hoff, Geir & Bretthauer, Michael (2012). Reduced pain during screening colonoscopy with an ultrathin colonoscope: a randomized controlled trial. Endoscopy.  ISSN 0013-726X.  44(8), s 740- 746 . doi: 10.1055/s-0032-1309755
  • Hoff, Geir; Moritz, Volker; Bretthauer, Michael; Aabakken, Lars; Berset, Ingrid Prytz; Glomsaker, Tom; Høie, Ole Ingebreth & de Lange, Thomas (2012). Incontinence after colonoscopy - an unrecognized and preventable problem. A cross-sectional study from the Gastronet quality assurance program. Endoscopy.  ISSN 0013-726X.  44(4), s 349- 353 . doi: 10.1055/s-0031-1291657
  • Huppertz-Hauss, Gert; Chengarov, Lubomir; Dahler, Stein; Jørgensen, Anita; Moritz, Volker; Paulsen, Jørn & Hoff, Geir (2012). "Drop in" gastroscopy outpatient clinic - experience after 9 months. BMC Gastroenterology.  ISSN 1471-230X.  12 . doi: 10.1186/1471-230X-12-12
  • Moritz, Volker; Bretthauer, Michael; Ruud, Hans-Kristian; Glomsaker, Tom; de Lange, Thomas; Sandvei, Per; Huppertz-Hauss, Gert; Kjellevold, Øystein & Hoff, Geir (2012). Withdrawal time as a quality indicator for colonoscopy - a nationwide analysis. Endoscopy.  ISSN 0013-726X.  44(5), s 476- 481 . doi: 10.1055/s-0032-1306898
  • Seip, Birgitte Karen Berggreen; Frich, Jan C & Hoff, Geir (2012). Doctors’ experiences with a quality assurance programme. Clinical Governance: An International Journal.  ISSN 1477-7274.  17(4), s 297- 306 . doi: 10.1108/14777271211273189 Show summary
  • De Vogel, Stefan; Schneede, Jörn; Ueland, Per Magne; Vollset, Stein Emil; Meyer, Klaus; Fredriksen, Åse; Midttun, Øivind; Bjørge, Tone; Kampman, Ellen; Bretthauer, Michael & Hoff, Geir (2011). Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas. Cancer Epidemiology, Biomarkers and Prevention.  ISSN 1055-9965.  20(8), s 1726- 1735 . doi: 10.1158/1055-9965.EPI-11-0359
  • Glomsaker, Tom; Søreide, Kjetil; Hoff, Geir; Aabakken, Lars & Søreide, Jon Arne (2011). Contemporary use of endoscopic retrograde cholangiopancreatography (ERCP): A Norwegian prospective, multicenter study. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  46(9), s 1144- 1151 . doi: 10.3109/00365521.2011.594085
  • Hoff, Geir (2011). Quality assurance in gastroenterology: QA in research, and research in QA. Baillière's Best Practice & Research : Clinical Gastroenterology.  ISSN 1521-6918.  25(3), s 427- 434 . doi: 10.1016/j.bpg.2011.05.006
  • Hoff, Geir; Moritz, Volker; Bretthauer, Michael; Aabakken, Lars; Høie, Ole Ingebreth; de Lange, Thomas; Berset, Ingrid Prytz; Kjellevold, Øystein; Glomsaker, Tom; Huppertz-Hauss, Gert; Lange, Ove Juel & Sandvei, Per (2011). Gastronet survey on the use of one- or two-person technique for colonoscopy insertion. BMC Gastroenterology.  ISSN 1471-230X.  11 . doi: 10.1186/1471-230X-11-73
  • Hoff, Geir; Moritz, Volker; Bretthauer, Michael; Ludolph, Thomas; Huppertz-Hauss, Gert; Paulsen, Jørn; Seip, Birgitte Karen Berggreen; Sauar, Jostein; Kjellevold, Øystein & Chengarov, Lubomir (2011). Colonoscope with a sub-distal hyper-flaccid segment for improved insertion at colonoscopy: a randomized study. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  46(1), s 104- 108 . doi: 10.3109/00365521.2010.521891
  • Holme, Øyvind; Høie, Ole Ingebreth; Matre, Jon; Stallemo, Asbjørn; Garborg, Kjetil Kjeldstad; Hasund, Audun; Wiig, Håvard; Hoff, Geir & Bretthauer, Michael (2011). Magnetic endoscopic imaging versus standard colonoscopy in a routine colonoscopy setting: a randomized, controlled trial. Gastrointestinal Endoscopy.  ISSN 0016-5107.  73(6), s 1215- 1222 . doi: 10.1016/j.gie.2011.01.054
  • Lind, Guro Elisabeth; Danielsen, Stine Aske; Ahlquist, Terje Cruickshank; Merok, Marianne Aarstad; Andresen, Kim; Skotheim, Rolf Inge; Hektoen, Merete; Rognum, Torleiv Ole; Meling, Gunn Iren; Hoff, Geir; Bretthauer, Michael; Thiis-Evensen, Espen; Nesbakken, Arild & Lothe, Ragnhild A (2011). Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomas. Molecular Cancer.  ISSN 1476-4598.  10 . doi: 10.1186/1476-4598-10-85
  • Lind, Guro Elisabeth; Raiborg, Camilla; Danielsen, Stine Aske; Rognum, Torleiv Ole; Thiis-Evensen, Espen; Hoff, Geir; Nesbakken, Arild; Stenmark, Harald & Lothe, Ragnhild A (2011). SPG20, a novel biomarker for early detection of colorectal cancer, encodes a regulator of cytokinesis. Oncogene.  ISSN 0950-9232.  30(37), s 3967- 3978 . doi: 10.1038/onc.2011.109
  • Løberg, Magnus; Furholm, Siv; Hoff, Ingrid E Taraldsrud; Aabakken, Lars; Hoff, Geir & Bretthauer, Michael (2011). Nitrous oxide for analgesia in colonoscopy without sedation. Gastrointestinal Endoscopy.  ISSN 0016-5107.  74(6), s 1347- 1353 . doi: 10.1016/j.gie.2011.07.071
  • Riedel, Bettina; Molloy, Anne M.; Meyer, Klaus; Fredriksen, Åse; Ulvik, Arve; Schneede, Jørn; Nexø, Ebba; Hoff, Geir & Ueland, Per Magne (2011). Transcobalamin polymorphism 67A-> G, but not 776C-> G, affects serum holotranscobalamin in a cohort of healthy middle-aged men and women. Journal of Nutrition.  ISSN 0022-3166.  141(10), s 1784- 1790 . doi: 10.3945/jn.111.141960
  • Hoff, Geir (2010). Colorectal cancer screening in an expanding panorama of screening programmes. Baillière's Best Practice & Research : Clinical Gastroenterology.  ISSN 1521-6918.  24(4), s 521- 527 . doi: 10.1016/j.bpg.2010.04.006
  • Hoff, Geir & Dominitz, Jason A. (2010). Contrasting US and European approaches to colorectal cancer screening: which is best?. Gut.  ISSN 0017-5749.  59(3), s 407- 414 . doi: 10.1136/gut.2009.192948
  • Seip, Birgitte Karen Berggreen; Bretthauer, Michael; Dahler, Stein; Friestad, Joachim; Huppertz-Hauss, Gert; Høie, Ole Ingebreth; Kittang, Eirik; Nyhus, Sverre; Pallenschat, Jens; Sandvei, Per; Stallemo, Asbjørn; Svendsen, Martin Veel & Hoff, Geir (2010). Patient satisfaction with on-demand sedation for outpatient colonoscopy. Endoscopy.  ISSN 0013-726X.  42(8), s 639- 646 . doi: 10.1055/s-0030-1255612
  • Seip, Birgitte Karen Berggreen; Bretthauer, Michael; Dahler, Stein; Friestad, Joachim; Huppertz-Hauss, Gert; Høie, Ole Ingebreth; Kittang, Eirik; Nyhus, Sverre; Pallenschat, Jens; Sandvei, Per; Stallemo, Asbjørn; Svendsen, Martin Veel & Hoff, Geir (2010). Sustaining the vitality of colonoscopy quality improvement programmes over time. Experience from the Norwegian Gastronet programme. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  45(3), s 362- 369 . doi: 10.3109/00365520903497106 Show summary
  • Kalager, Mette; Haldorsen, Tor; Bretthauer, Michael; Hoff, Geir; Thoresen, Steinar & Adami, Hans-Olov (2009). Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort study. Breast Cancer Research.  ISSN 1465-542X.  11(4) . doi: 10.1186/bcr2331
  • Hoff, Geir; Grotmol, Tom; Skovlund, Eva & Bretthauer, Michael (2009). Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trial. BMJ (British Medical Journal).  ISSN 0959-8146.  338 . doi: 10.1136/bmj.b1846
  • Hoff, Geir; Ottestad, PM; Skafløtten, Stein Roger; Bretthauer, Michael & Moritz, V (2009). Quality assurance as an integrated part of the electronic medical record - a prototype applied for colonoscopy. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  44(10), s 1259- 1265 . doi: 10.1080/00365520903132021
  • Lorentzen, Anders; Vogel, Lotte K.; Lewinsky, Rikke H.; Sæbø, Mona; Skjelbred, Camilla Furu; Godiksen, Sine; Hoff, Geir; Tveit, Kjell Magne; Lothe, Inger Marie Bowitz; Ikdahl, Tone; Kure, Elin H. & Mitchelmore, Cathy (2007). Expression of NDRG2 is down-regulated in high-risk adenomas and colorectal carcinoma. BMC Cancer.  ISSN 1471-2407.  7(192), s 1- 8 . doi: 10.1186/1471-2407-7-192 Show summary
  • Skjelbred, Camilla Furu; Sæbø, Mona; Hjartaker, Anette; Grotmol, T.; Hansteen, Inger-Lise; Tveit, Kjell Magne; Hoff, Geir & Kure, Elin H. (2007). Meat, vegetables and genetic polymorphisms and the risk of colorectal carcinomas and adenomas. BMC Cancer.  ISSN 1471-2407.  7(228), s 1- 11 . doi: 10.1186/1471-2407-7-228 Show summary
  • Hoff, Geir; Bretthauer, M; Dahler, S; Huppertz-Hauss, G; Sauar, J; Paulsen, J; Seip, B & Moritz, V (2007). Improvement in caecal intubation rate and pain reduction by using 3-dimensional magnetic imaging for unsedated colonoscopy: A randomized trial of patients referred for colonoscopy. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  42, s 885- 889 . doi: 10.1080/00365520601127125
  • Hoff, Geir; Wiig, Johan N.; Reed, Wenche; Hole, Knut Håkon; Scheistrøen, Marit & Henriksen, Halvor (2005). Short stricture of the rectum regressing on discontination of hormone replacement therapy: Endoscopic appearance, multiple biopsies and clinical improvement insufficient for diagnosis. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  40(3), s 365- 367 . doi: 10.1080/00365520510011614
  • Skovlund, Eva; Bretthauer, Michael; Grotmol, Tom; Larsen, Inger Kristin & Hoff, Geir (2005). Sensitivity of pain rating scales in an endoscopy trial. The Clinical Journal of Pain.  ISSN 0749-8047.  21(4), s 292- 296

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  • Hoff, Geir; de Lange, Thomas & Ursin, Giske (2017). Optimalisering gjennom randomisering. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137(20), s 1578- 1578 . doi: 10.4045/tidsskr.17.0876
  • Bretthauer, Michael; Kalager, Mette; Adami, Hans Olov & Hoff, Geir (2016). Who Is for CO2? Slow Adoption of Carbon Dioxide Insufflation in Colonoscopy. Annals of Internal Medicine.  ISSN 0003-4819.  165(2), s 145- 6 . doi: 10.7326/M16-0209
  • Bretthauer, Michael; Kaminski, Michal Filip; Hassan, Cecare; Kalager, Mette; Holme, Øyvind; Hoff, Geir; Løberg, Magnus; Regula, Jaroslaw; Castells, A & Adami, Hans Olov (2016). America, We Are Confused: The Updated U.S. Preventive Services Task Force Recommendation on Colorectal Cancer Screening. Annals of Internal Medicine.  ISSN 0003-4819.  166(2), s 139- 140 . doi: 10.7326/M16-1805
  • Holme, Øyvind; Hoff, Geir & Løberg, Magnus (2016). Colorectal cancer screening. Journal of the American Medical Association (JAMA).  ISSN 0098-7484.  316(16), s 1714- 1714 . doi: 10.1001/jama.2016.13846
  • Jodal, Henriette Cecilie; Løberg, Magnus; Adami, Hans Olov; Bretthauer, Michael; Hoff, Geir & Kalager, Mette (2016). Interval Colorectal Cancers after Screening - More Aggressive than Clinical Cancers?.
  • Joranger, Pål; Nesbakken, Arild; Hoff, Geir; Sorbye, Halfdan; Oshaug, Arne & Aas, Eline (2015). Modell for å beregne overlevelse og kostnader av behandling for kolorektal cancer. Show summary
  • Hoff, Geir; Bretthauer, Michael; Garborg, Kjetil Kjeldstad & Eide, Tor Jacob (2014). Konsensusbaserte retningslinjer kan hindre nødvendig forskning :. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  134(2), s 148- 149 . doi: 10.4045/tidsskr.13.1313
  • Joranger, Pål; Nesbakken, Arild; Hoff, Geir; Sorbye, Halfdan; Oshaug, Arne & Aas, Eline (2014). Development and validation of a Norwegian model for colorectal cancer.
  • Hoff, Geir (2013). COLONOSCOPY Sliding into the depths of sedation-is this what we want?. Nature reviews: Gastroenterology & hepatology.  ISSN 1759-5045.  10(6), s 325- 326 . doi: 10.1038/nrgastro.2013.71
  • Hoff, Geir (2013). Sliding into the depths of sedation--is this what we want?. Nature reviews: Gastroenterology & hepatology.  ISSN 1759-5045.  10(6), s 325- 326 . doi: 10.1038/nrgastro.2013.71
  • Hoff, Geir; Bretthauer, Michael; Garborg, Kjetil Kjeldstad & Eide, Tor Jacob (2013). New polyps, old tricks: controversy about removing benign bowel lesions. BMJ (British Medical Journal).  ISSN 0959-8146.  347 . doi: 10.1136/bmj.f5843
  • Ahmed, Deeqa; Ågesen, Trude Holmeide; Danielsen, Stine Aske; Bretthauer, Michael; Thiis-Evensen, Espen; Hoff, Geir; Rognum, Torleiv Ole; Nesbakken, Arild; Lothe, Ragnhild A & Lind, Guro Elisabeth (2012). METHYLATION BASED BIOMARKERS FOR NON-INVASIVE EARLY DETECTION OF COLORECTAL CANCER. Annals of Oncology.  ISSN 0923-7534.  23, s 23- 23
  • Berstad, Paula Marianna; Loberg, Magnus; Kalager, Mette; Jørgensen, Anita; Garborg, Kjetil Kjeldstad; Ruud, Hans-Kristian; Bretthauer, Michael & Hoff, Geir (2012). Risk Stratification for Advanced Colorectal Neoplasia. Cancer Prevention Research.  ISSN 1940-6207.  5(12), s 1405- 1405 . doi: 10.1158/1940-6207.CAPR-12-0383
  • Garborg, Kjetil Kjeldstad; Loberg, Magnus; Matre, Jon; Holme, Øyvind; Kalager, Mette; Hoff, Geir & Bretthauer, Michael (2012). Improved Colonoscopy Screening With an Ultra Thin Colonoscope: A Randomized Controlled Trial. Gastrointestinal Endoscopy.  ISSN 0016-5107.  75(4), s 179- 180
  • Hoff, Geir (2010). After removal of polyps. When should I repeat the colonoscopy?. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  45(supp. 247), s 41- 41
  • Hoff, Geir & Bretthauer, Michael (2010). Screening for kolorektal kreft - endelig en debattant! :. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  130(20), s 2012
  • Segnan, Nereo & Hoff, Geir (2010). New Developments in Colorectal Cancer Screening Preface. Baillière's Best Practice & Research : Clinical Gastroenterology.  ISSN 1521-6918.  24(4), s 379- 380 . doi: 10.1016/j.bpg.2010.06.003
  • Seip, Birgitte Karen Berggreen; Bretthauer, Michael & Hoff, Geir (2010). Patients' satisfaction with on-demand sedation for out-patient colonoscopies. Journal of Gastroenterology and Hepatology.  ISSN 0815-9319.  25, s A18- A18 . doi: 10.1111/j.1440-1746.2010.06451.x
  • Ahlquist, Terje Cruickshank; Thiis-Evensen, Espen; Lind, Guro Elisabeth; Meling, Gunn Iren; Vatn, Morten H; Hoff, Geir; Rognum, Torleiv Ole & Lothe, Ragnhild A (2008). Potential cancer prevention markers can be identified by comparing gene methylation pattern in normal colon mucosa to those of benign and malignant tumours. Gastroenterology.  ISSN 0016-5085.  134(4), s A445- A445
  • de Lange, Thomas; Bretthauer, Michael; Hoff, Geir & Aabakken, Lars (2008). Do Norwegian endoscopists agree with current ASGE and ESGE guidelines for endoscopy?. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  43, s 34- 34

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Published Apr. 13, 2011 2:53 PM - Last modified Sep. 22, 2014 9:50 AM