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 Sognsvannsveien 20 Rikshospitalet 0372 OSLO

Publications

  • 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). Sigmoidoscopy and faecal occult blood test - a comparative screening trial. 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. . 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
  • 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 (Clinical Research Edition).  ISSN 0959-8138.  s 1- 8 . doi: 10.1136/bmj.i6673
  • 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; 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
  • Knudsen, Markus Dines; Berstad, Paula; Hjartaker, 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. . doi: 10.1038/bjc.2017.189
  • 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, 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
  • 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
  • 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
  • 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
  • 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
  • Bretthauer, Michael; Hoff, Geir; Thiis-Evensen, Espen; Huppertz-Hauss, Gert & Skovlund, Eva (2003). Air and carbon dioxide volumes insufflated during colonoscopy. Gastrointestinal Endoscopy.  ISSN 0016-5107.  58, s 203- 206
  • Bretthauer, Michael; Skovlund, Eva; Grotmol, Tom; Eide, Tor Jacob & Hoff, Geir (2003). Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  38, s 1268- 1274
  • Gondal, Ghous; Grotmol, Tom; Hofstad, Bjørn; Bretthauer, Michael; Eide, Tor Jacob & Hoff, Geir (2003). Grading of distal colorectal adenomas as predictors for proximal colonic neoplasia and choice of endoscope in population screening: experience from the Norwegian Colorectal Cancer Prevention study (NORCCAP). Gut.  ISSN 0017-5749.  52, s 398- 403
  • Gondal, Ghous; Grotmol, Tom; Hofstad, Bjørn; Bretthauer, Michael; Eide, Tor Jacob & Hoff, Geir (2003). The Norwegian Colorectal Cancer Prevention (NORCCAP) screening study: baseline findings and implementations for clinical work-up in age groups 50-64 years. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  38, s 635- 642
  • Bretthauer, Michael; Skovlund, E; Grotmol, T; Thiis-Evensen, Espen; Gondal, G; Huppertz-Hauss, G; Efskind, P; Hofstad, B; Holmsen, ST; Eide, Tor Jacob & Hoff, Geir (2003). Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer. Scandinavian Journal of Gastroenterology.  ISSN 0036-5521.  38, s 1268- 1274

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  • Aas, Eline; Iversen, Tor & Hoff, Geir (2017). The Effect of Education on Health Behavior after Screening for Colorectal Cancer. Emerald Group Publishing Limited.  ISBN 978-1-78635-466-2.  36 s.

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  • 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
  • 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.
  • 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
  • Hoff, Geir; Bretthauer, Michael; Skovlund, Eva & Grotmol, Tom (2003). Re: Baseline findings of the Italian multicenter randomized controlled trial of "Once-only sigmoidoscopy" - SCORE. Journal of the National Cancer Institute.  ISSN 0027-8874.  95, s 1089- 1090

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