Michael Bretthauer
- Professor
- +47-22 85 05 41
Publications 2024
QUAIDE - Quality assessment of AI preclinical studies in diagnostic endoscopy
Gut, 74 (1), 153-161
DOI 10.1136/gutjnl-2024-332820, PubMed 39406471
Gastroenterology/Hepatology: What You May Have Missed in 2023
Ann Intern Med, 177 (5_Supplement), S27-S36
DOI 10.7326/M24-0505, PubMed 38621241
Risk factors for metachronous colorectal cancer or advanced lesions after endoscopic resection of serrated polyps: a systematic review and meta-analysis
Gastrointest Endosc, 100 (4), 605-615.e14
DOI 10.1016/j.gie.2024.05.021, PubMed 38851458
How to learn from interval cancers in colorectal cancer screening
Endoscopy, 56 (5), 373-375
DOI 10.1055/a-2279-9932, PubMed 38479414
[Not Available]
Tidsskr Nor Laegeforen, 144 (14)
DOI 10.4045/tidsskr.24.0525, PubMed 39605158
Lifetime Gained With Cancer Screening-Reply
JAMA Intern Med, 184 (2), 228
DOI 10.1001/jamainternmed.2023.7067, PubMed 38165695
Brief sigmoidoscopy provides 21-year colorectal cancer risk reduction in men
Lancet Gastroenterol Hepatol, 9 (9), 777-779
DOI 10.1016/S2468-1253(24)00199-7, PubMed 39038481
ESGE and Public Advocacy
Endoscopy, 56 (6), 457-458
DOI 10.1055/a-2277-2204, PubMed 38810622
Advancing patient-centered care: Recent developments in UEG's patient relations
United European Gastroenterol J, 12 (6), 816-818
DOI 10.1002/ueg2.12607, PubMed 38867386
[Scraps of national clinical guidelines from the Directorate of Health]
Tidsskr Nor Laegeforen, 144 (5)
DOI 10.4045/tidsskr.24.0141, PubMed 38651715
Effectiveness of Colonoscopy Screening vs Sigmoidoscopy Screening in Colorectal Cancer
JAMA Netw Open, 7 (2), e240007
DOI 10.1001/jamanetworkopen.2024.0007, PubMed 38421651
Prediction of metachronous advanced colorectal neoplasia by KRAS mutation in polyps
United European Gastroenterol J, 12 (9), 1179-1189
DOI 10.1002/ueg2.12667, PubMed 39400528
Surgical treatment of benign colorectal polyps 2008-21
Tidsskr Nor Laegeforen, 144 (10)
DOI 10.4045/tidsskr.23.0722, PubMed 39254026
Carbon-Footprint Analyses in RCTs - Toward Sustainable Clinical Practice
N Engl J Med, 390 (24), 2234-2236
DOI 10.1056/NEJMp2402018, PubMed 38749030
Performance of Faecal Immunochemical Testing for Colorectal Cancer Screening at Varying Positivity Thresholds
Aliment Pharmacol Ther, 61 (1), 122-131
DOI 10.1111/apt.18314, PubMed 39373173
Impact of inadequate bowel cleansing in sigmoidoscopy screening
Scand J Gastroenterol, 59 (8), 1002-1009
DOI 10.1080/00365521.2024.2364213, PubMed 38850200
Adverse events after colonoscopy in a randomised colorectal cancer screening trial
BMJ Open Gastroenterol, 11 (1)
DOI 10.1136/bmjgast-2024-001471, PubMed 39375173
Authors' Reply: Interpreting epidemiologic studies of colonoscopy screening for colorectal cancer prevention
Eur J Epidemiol, 39 (4), 431
DOI 10.1007/s10654-023-01077-2, PubMed 38261147
Dramatic improvements in outcome following pancreatoduodenectomy for pancreatic and periampullary cancers
Br J Cancer, 131 (4), 747-754
DOI 10.1038/s41416-024-02757-w, PubMed 38937622
Publications 2023
The Future of Cancer Screening-Guided Without Conflicts of Interest
JAMA Intern Med, 183 (10), 1047-1048
DOI 10.1001/jamainternmed.2023.4064, PubMed 37639267
The New European Medical Device Regulation: Balancing Innovation and Patient Safety
Ann Intern Med, 176 (6), 844-848
DOI 10.7326/M23-0454, PubMed 37068279
What is my risk, doctor? How to convey disease risk and treatment effects
BMJ, 381, e075289
DOI 10.1136/bmj-2022-075289, PubMed 37328165
Colonoscopy Screening and Colorectal Cancer Incidence and Mortality. Reply
N Engl J Med, 388 (4), 378-379
DOI 10.1056/NEJMc2215192, PubMed 36720146
Gastrointestinal endoscopy devices and the European Union Medical Device Regulation: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
Endoscopy, 55 (6), 578-581
DOI 10.1055/a-2052-2540, PubMed 37080238
Estimated Lifetime Gained With Cancer Screening Tests: A Meta-Analysis of Randomized Clinical Trials
JAMA Intern Med, 183 (11), 1196-1203
DOI 10.1001/jamainternmed.2023.3798, PubMed 37639247
New American College of Physicians Guidance on Colorectal Cancer Screening: Less Is More
Ann Intern Med, 176 (8), 1127-1128
DOI 10.7326/M23-1695, PubMed 37523706
Informed consent for endoscopic procedures: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
Endoscopy, 55 (10), 952-966
DOI 10.1055/a-2133-3365, PubMed 37557899
[Colorectal cancer screening also for younger adults?]
Tidsskr Nor Laegeforen, 143 (18)
DOI 10.4045/tidsskr.23.0553, PubMed 38088289
A Comparison of Risk Classification Systems of Colorectal Adenomas: A Case-Cohort Study
Gastroenterology, 165 (2), 483-491.e7
DOI 10.1053/j.gastro.2023.04.028, PubMed 37146913
[Do the Directorate of Health’s guidelines adhere to international standards for trustworthy clinical practice?]
Tidsskr Nor Laegeforen, 143 (14)
DOI 10.4045/tidsskr.23.0110, PubMed 37830968
Interpreting epidemiologic studies of colonoscopy screening for colorectal cancer prevention: understanding the mechanisms of action is key
Eur J Epidemiol, 38 (9), 929-931
DOI 10.1007/s10654-023-01043-y, PubMed 37667139
Authors' Reply: Interpreting epidemiologic studies of colorectal cancer prevention
Eur J Epidemiol, 39 (1), 99
DOI 10.1007/s10654-023-01070-9, PubMed 37950085
Combination of Mucosa-Exposure Device and Computer-Aided Detection for Adenoma Detection During Colonoscopy: A Randomized Trial
Gastroenterology, 165 (1), 244-251.e3
DOI 10.1053/j.gastro.2023.03.237, PubMed 37061169
A pilot study of implementation of endoscopic sleeve gastroplasty (ESG) in Norway
Scand J Gastroenterol, 58 (10), 1180-1184
DOI 10.1080/00365521.2023.2204389, PubMed 37128713
Risk of malignant lymphomas in patients with inflammatory bowel disease: a population-based cohort study
BMJ Open Gastroenterol, 10 (1)
DOI 10.1136/bmjgast-2022-001037, PubMed 37142293
A novel framework for incorporating patient values and preferences in making guideline recommendations: guideline panel surveys
J Clin Epidemiol, 161, 164-172
DOI 10.1016/j.jclinepi.2023.07.003, PubMed 37453455
Qualitative study of guideline panelists: innovative surveys provided valuable insights regarding patient values and preferences
J Clin Epidemiol, 161, 173-180
DOI 10.1016/j.jclinepi.2023.07.014, PubMed 37517505
Publications 2022
Impact of artificial intelligence on colorectal polyp detection for early-career endoscopists: an international comparative study
Scand J Gastroenterol, 57 (10), 1272-1277
DOI 10.1080/00365521.2022.2070436, PubMed 35605150
Cost-effectiveness of artificial intelligence for screening colonoscopy: a modelling study
Lancet Digit Health, 4 (6), e436-e444
DOI 10.1016/S2589-7500(22)00042-5, PubMed 35430151
Risk Factors for Metachronous Colorectal Cancer or Advanced Adenomas After Endoscopic Resection of High-risk Adenomas
Clin Gastroenterol Hepatol, 21 (3), 630-643
DOI 10.1016/j.cgh.2022.12.005, PubMed 36549471
Speedometer for withdrawal time monitoring during colonoscopy: a clinical implementation trial
Scand J Gastroenterol, 58 (6), 664-670
DOI 10.1080/00365521.2022.2154616, PubMed 36519564
Real-Time Artificial Intelligence-Based Optical Diagnosis of Neoplastic Polyps during Colonoscopy
NEJM Evid, 1 (6), EVIDoa2200003
DOI 10.1056/EVIDoa2200003, PubMed 38319238
Effect of Colonoscopy Screening on Risks of Colorectal Cancer and Related Death
N Engl J Med, 387 (17), 1547-1556
DOI 10.1056/NEJMoa2208375, PubMed 36214590
UEG position paper: Obesity and digestive health
United European Gastroenterol J, 10 (10), 1199-1201
DOI 10.1002/ueg2.12334, PubMed 36457185
Digestive cancer screening across Europe
United European Gastroenterol J, 10 (4), 435-437
DOI 10.1002/ueg2.12230, PubMed 35474447
Variability in adenoma detection rate in control groups of randomized colonoscopy trials: a systematic review and meta-analysis
Gastrointest Endosc, 97 (2), 212-225.e7
DOI 10.1016/j.gie.2022.10.009, PubMed 36243103
Comparative Performance of Artificial Intelligence Optical Diagnosis Systems for Leaving in Situ Colorectal Polyps
Gastroenterology, 164 (3), 467-469.e4
DOI 10.1053/j.gastro.2022.10.021, PubMed 36328079
Reply to: Letter to the Editor regarding "Covid-19 transmission in fitness centers in Norway-a randomized trial"
BMC Public Health, 22 (1), 2437
DOI 10.1186/s12889-022-14799-x, PubMed 36575428
Novel "resect and analysis" approach for T2 colorectal cancer with use of artificial intelligence
Gastrointest Endosc, 96 (4), 665-672.e1
DOI 10.1016/j.gie.2022.04.1305, PubMed 35500659
Letter: long-term colorectal cancer incidence and mortality after adenoma removal associated with heritable factors, colonoscopic surveillance and aspirin-authors' reply
Aliment Pharmacol Ther, 55 (10), 1363-1364
DOI 10.1111/apt.16929, PubMed 35472187
Emergency hospital admissions, prognosis, and population mortality in Norway during the first wave of the Covid-19 epidemic
Scand J Public Health, 50 (6), 795-802
DOI 10.1177/14034948221082959, PubMed 35546560
15-Year Benefits of Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality : A Pooled Analysis of Randomized Trials
Ann Intern Med, 175 (11), 1525-1533
DOI 10.7326/M22-0835, PubMed 36215714
Rates of repeated colonoscopies to clean the colon from low-risk and high-risk adenomas: results from the EPoS trials
Gut, 72 (5), 951-957
DOI 10.1136/gutjnl-2022-327696, PubMed 36307178
Artificial intelligence in gastroenterology: Where are we heading?
Endosc Int Open, 10 (11), E1474-E1480
DOI 10.1055/a-1907-6569, PubMed 36397868
Clinical trial designs for artificial intelligence in gastrointestinal endoscopy
Lancet Gastroenterol Hepatol, 7 (9), 785-786
DOI 10.1016/S2468-1253(22)00232-1, PubMed 35932767
Artificial intelligence for disease diagnosis: the criterion standard challenge
Gastrointest Endosc, 96 (2), 370-372
DOI 10.1016/j.gie.2022.04.057, PubMed 35489396
Impact of Artificial Intelligence on Colonoscopy Surveillance After Polyp Removal: A Pooled Analysis of Randomized Trials
Clin Gastroenterol Hepatol, 21 (4), 949-959.e2
DOI 10.1016/j.cgh.2022.08.022, PubMed 36038128
Complete polyp resection with cold snare versus hot snare polypectomy for polyps of 4-9 mm: a randomized controlled trial
Endoscopy, 54 (10), 961-969
DOI 10.1055/a-1734-7952, PubMed 35008112
Reducing the environmental footprint of gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastroenterology and Endoscopy Nurses and Associates (ESGENA) Position Statement
Endoscopy, 54 (8), 797-826
DOI 10.1055/a-1859-3726, PubMed 35803275
Risk of hepato-pancreato-biliary cancer is increased by primary sclerosing cholangitis in patients with inflammatory bowel disease: A population-based cohort study
United European Gastroenterol J, 10 (2), 212-224
DOI 10.1002/ueg2.12204, PubMed 35107865
Inflammatory bowel disease and risk of adenocarcinoma and neuroendocrine tumors in the small bowel
Ann Oncol, 33 (6), 649-656
DOI 10.1016/j.annonc.2022.02.226, PubMed 35276334
Publications 2021
Evidence and Precaution for Legal Health Interventions: Learning From the COVID-19 Pandemic
Ann Intern Med, 174 (10), 1456-1457
DOI 10.7326/M21-2839, PubMed 34370512
Deep learning and cancer biomarkers: recognising lead-time bias
Lancet, 397 (10270), 194
DOI 10.1016/S0140-6736(20)32402-8, PubMed 33453776
Colorectal Cancer Screening: Randomized Trials Are Essential to Support Recommendations
Ann Intern Med, 175 (1), 129-130
DOI 10.7326/M21-3770, PubMed 34748373
ESGE and ESGENA Position Statement on gastrointestinal endoscopy and COVID-19: Updated guidance for the era of vaccines and viral variants
Endoscopy, 54 (2), 211-216
DOI 10.1055/a-1700-4897, PubMed 34933373
Covid-19 transmission in fitness centers in Norway - a randomized trial
BMC Public Health, 21 (1), 2103
DOI 10.1186/s12889-021-12073-0, PubMed 34789188
Long-term colorectal cancer incidence and mortality after adenoma removal in women and men
Aliment Pharmacol Ther, 55 (4), 412-421
DOI 10.1111/apt.16686, PubMed 34716941
Mortality in Norway and Sweden during the COVID-19 pandemic
Scand J Public Health, 50 (1), 38-45
DOI 10.1177/14034948211047137, PubMed 34609261
Addressing false-positive findings with artificial intelligence for polyp detection
Endoscopy, 53 (9), 941-942
DOI 10.1055/a-1381-7849, PubMed 34438457
Hopes and Hypes for Artificial Intelligence in Colorectal Cancer Screening
Gastroenterology, 161 (3), 774-777
DOI 10.1053/j.gastro.2021.04.078, PubMed 33989659
Artificial intelligence in colonoscopy - Now on the market. What's next?
J Gastroenterol Hepatol, 36 (1), 7-11
DOI 10.1111/jgh.15339, PubMed 33179322
Women require routine opioids to prevent painful colonoscopies: a randomised controlled trial
Scand J Gastroenterol, 56 (12), 1480-1489
DOI 10.1080/00365521.2021.1969683, PubMed 34534048
A novel intragastric balloon for treatment of obesity and type 2 diabetes. A two-center pilot trial
Scand J Gastroenterol, 57 (2), 232-238
DOI 10.1080/00365521.2021.1994641, PubMed 34714203
The impact of information about different absolute benefits and harms on intention to participate in colorectal cancer screening: A think-aloud study and online randomised experiment
PLoS One, 16 (2), e0246991
DOI 10.1371/journal.pone.0246991, PubMed 33592037
Association of Adenoma Detection Rate and Adenoma Characteristics With Colorectal Cancer Mortality After Screening Colonoscopy
Clin Gastroenterol Hepatol, 19 (9), 1890-1898
DOI 10.1016/j.cgh.2021.04.023, PubMed 33878471
Estimation of overdiagnosis in colorectal cancer screening with sigmoidoscopy and faecal occult blood testing: comparison of simulation models
BMJ Open, 11 (4), e042158
DOI 10.1136/bmjopen-2020-042158, PubMed 33853794
Publications 2020
Assessment of cancer screening effectiveness in the era of screening programs
Eur J Epidemiol, 35 (10), 891-897
DOI 10.1007/s10654-020-00684-7, PubMed 32929645
National Screening Program for Bowel Cancer
Tidsskr. Nor. Laegeforen., 140 (3), 222
[National screening programme for colorectal cancer]
Tidsskr Nor Laegeforen, 140 (3)
DOI 10.4045/tidsskr.19.0658, PubMed 32105033
Colorectal polyp characterization with endocytoscopy: Ready for widespread implementation with artificial intelligence?
Best Pract Res Clin Gastroenterol, 52-53, 101721
DOI 10.1016/j.bpg.2020.101721, PubMed 34172248
Artificial intelligence for polyp detection during colonoscopy: a systematic review and meta-analysis
Endoscopy, 53 (3), 277-284
DOI 10.1055/a-1201-7165, PubMed 32557490
The future of colorectal cancer screening: Parentalism or shared decision-making?
CMAJ, 192 (18), E484
DOI 10.1503/cmaj.74839, PubMed 32366471
Disparities in Preventive Health Services: Targeting Minorities and Majorities
Ann Intern Med, 172 (4), 287-288
DOI 10.7326/M19-3899, PubMed 31931529
Colorectal Cancer Screening in Young Adults: About Carcinoid Tumors and Cancer
Ann Intern Med, 174 (2), 263-264
DOI 10.7326/M20-7244, PubMed 33315472
Post-polypectomy colonoscopy surveillance: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2020
Endoscopy, 52 (8), 687-700
DOI 10.1055/a-1185-3109, PubMed 32572858
The COVID-19 pandemic in Norway and Sweden - threats, trust, and impact on daily life: a comparative survey
BMC Public Health, 20 (1), 1597
DOI 10.1186/s12889-020-09615-3, PubMed 33097011
Establishing thresholds for important benefits considering the harms of screening interventions
BMJ Open, 10 (12), e037854
DOI 10.1136/bmjopen-2020-037854, PubMed 33268400
Ongoing Trials Will Not Determine the Comparative Effectiveness of Colorectal Cancer Screening Tests
Gastroenterology, 164 (6), 856-860
DOI 10.1053/j.gastro.2020.02.071, PubMed 32585308
Improving cancer screening programs
Science, 367 (6474), 143-144
DOI 10.1126/science.aay3156, PubMed 31919207
Presentation of numbers: do let that fool you
Tidsskr. Nor. Laegeforen., 140 (8), 738
[Presentation of figures: don’t be fooled]
Tidsskr Nor Laegeforen, 140 (8)
DOI 10.4045/tidsskr.20.0378, PubMed 32463198
Cost savings in colonoscopy with artificial intelligence-aided polyp diagnosis: an add-on analysis of a clinical trial (with video)
Gastrointest Endosc, 92 (4), 905-911.e1
DOI 10.1016/j.gie.2020.03.3759, PubMed 32240683
Incomplete endoscopic resection of colorectal polyps: a prospective quality assurance study
Endoscopy, 53 (4), 383-391
DOI 10.1055/a-1243-0379, PubMed 32961579
Colorectal Cancer Screening With Repeated Fecal Immunochemical Test Versus Sigmoidoscopy: Baseline Results From a Randomized Trial
Gastroenterology, 160 (4), 1085-1096.e5
DOI 10.1053/j.gastro.2020.11.037, PubMed 33227280
Principles for Evaluation of Surveillance After Removal of Colorectal Polyps: Recommendations From the World Endoscopy Organization
Gastroenterology, 158 (6), 1529-1533.e4
DOI 10.1053/j.gastro.2019.12.052, PubMed 32240700
Laparoscopy-assisted versus balloon enteroscopy-assisted ERCP after Roux-en-Y gastric bypass
Endoscopy, 52 (8), 654-661
DOI 10.1055/a-1139-9313, PubMed 32316042
Colonoscopist Performance and Colorectal Cancer Risk After Adenoma Removal to Stratify Surveillance: Two Nationwide Observational Studies
Gastroenterology, 160 (4), 1067-1074.e6
DOI 10.1053/j.gastro.2020.10.009, PubMed 33065063
How do cancer screening guidelines trade off benefits versus harms and burdens of screening? A systematic survey
BMJ Open, 10 (12), e038322
DOI 10.1136/bmjopen-2020-038322, PubMed 33268404
Designs of colonoscopic adenoma detection trials: more positive results with tandem than with parallel studies - an analysis of studies on imaging techniques and mechanical devices
Gut, 70 (2), 268-275
DOI 10.1136/gutjnl-2020-320984, PubMed 32409588
Publications 2019
Time to abandon early detection cancer screening
Eur J Clin Invest, 49 (3), e13062
DOI 10.1111/eci.13062, PubMed 30565674
Author Reply to: The name of the game: Is preventive screening "cancer screening?"
Eur J Clin Invest, 49 (6), e13097
DOI 10.1111/eci.13097, PubMed 30829396
Implications of different guidelines for surveillance after serrated polyp resection in United States of America and Europe
Endoscopy, 51 (8), 750-758
DOI 10.1055/a-0916-8598, PubMed 31195423
Detection rates during colonoscopy: What matters most?
Endoscopy, 52 (1), 15-16
DOI 10.1055/a-1058-8854, PubMed 31853929
From Colorectal Cancer Screening Guidelines to Headlines: Beware!
Ann Intern Med, 170 (10), 734
DOI 10.7326/L19-0086, PubMed 31108525
Effectiveness of digital feedback on patient experience and 30-day complications after screening colonoscopy: a randomized health services study
Endosc Int Open, 7 (4), E537-E544
DOI 10.1055/a-0830-4648, PubMed 31041371
Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: a microsimulation modelling study
BMJ, 367, l5383
DOI 10.1136/bmj.l5383, PubMed 31578177
Estimating the Effect of Preventive Services With Databases of Administrative Claims: Reasons to Be Concerned
Am J Epidemiol, 188 (10), 1764-1767
DOI 10.1093/aje/kwz049, PubMed 30869122
Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2019
Endoscopy, 51 (8), 775-794
DOI 10.1055/a-0959-0505, PubMed 31295746
Colorectal cancer screening with faecal immunochemical testing, sigmoidoscopy or colonoscopy: a clinical practice guideline
BMJ, 367, l5515
DOI 10.1136/bmj.l5515, PubMed 31578196
[Colorectal cancer screening, yes or no?]
Tidsskr Nor Laegeforen, 139 (15)
DOI 10.4045/tidsskr.19.0323, PubMed 31642636
Colorectal cancer screening, right?
Tidsskr. Nor. Laegeforen., 139 (15), 1450-1451
Polyp detection rates as quality indicator in clinical versus screening colonoscopy
Endosc Int Open, 7 (2), E195-E202
DOI 10.1055/a-0796-6477, PubMed 30705953
Registration bias in a clinical quality register
Endosc Int Open, 7 (1), E90-E98
DOI 10.1055/a-0806-7006, PubMed 30652120
Revisiting surveillance schemes for cancer survivors
Ann Oncol, 30 (6), 881-883
DOI 10.1093/annonc/mdz107, PubMed 30895293
Reply to the letter to the editor 'Cancer survivors: surveillance or not surveillance?' by Santeufemia and Miolo
Ann Oncol, 30 (9), 1531-1532
DOI 10.1093/annonc/mdz190, PubMed 31198953
Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer Screening
Gastroenterology, 156 (6), 1642-1649.e1
DOI 10.1053/j.gastro.2019.01.040, PubMed 30689972
Performance measures for small-bowel endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 51 (6), 574-598
DOI 10.1055/a-0889-9586, PubMed 31075800
Performance measures for small-bowel endoscopy: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
United European Gastroenterol J, 7 (5), 614-641
DOI 10.1177/2050640619850365, PubMed 31210941
Efficacy and Tolerability of High- vs Low-Volume Split-Dose Bowel Cleansing Regimens for Colonoscopy: A Systematic Review and Meta-analysis
Clin Gastroenterol Hepatol, 18 (7), 1454-1465.e14
DOI 10.1016/j.cgh.2019.10.044, PubMed 31683057
Colorectal Cancer Incidence and Mortality After Removal of Adenomas During Screening Colonoscopies
Gastroenterology, 158 (4), 875-883.e5
DOI 10.1053/j.gastro.2019.09.011, PubMed 31563625
Publications 2018
[Screening for melanoma is a poor idea]
Tidsskr Nor Laegeforen, 138 (17)
DOI 10.4045/tidsskr.18.0600, PubMed 30378406
Screening for melanoma is a bad idea
Tidsskr. Nor. Laegeforen., 138 (17), 1589
Uterine morcellation and survival in uterine sarcomas
Eur J Cancer, 101, 62-68
DOI 10.1016/j.ejca.2018.06.007, PubMed 30025231
When no guideline recommendation is the best recommendation
Lancet, 392 (10151), 898-899
DOI 10.1016/S0140-6736(18)31671-4, PubMed 30238877
From Colorectal Cancer Screening Guidelines to Headlines: Beware!
Ann Intern Med, 169 (6), 405-406
DOI 10.7326/M18-1720, PubMed 29987330
Performance measures for ERCP and endoscopic ultrasound: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 50 (11), 1116-1127
DOI 10.1055/a-0749-8767, PubMed 30340220
Performance measures for endoscopic retrograde cholangiopancreatography and endoscopic ultrasound: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
United European Gastroenterol J, 6 (10), 1448-1460
DOI 10.1177/2050640618808157, PubMed 30574315
Why a randomized melanoma screening trial is not a good idea
Br J Dermatol, 179 (2), 532-533
DOI 10.1111/bjd.16784, PubMed 29893490
Long-Term Effectiveness of Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality in Women and Men: A Randomized Trial
Ann Intern Med, 168 (11), 775-782
DOI 10.7326/M17-1441, PubMed 29710125
Long-Term Effectiveness of Sigmoidoscopy Screening in Women and Men
Ann Intern Med, 169 (9), 663-664
DOI 10.7326/L18-0512, PubMed 30398636
Endoscopy assistants influence the quality of colonoscopy
Endoscopy, 50 (9), 871-877
DOI 10.1055/s-0044-101706, PubMed 29444529
Mortality From Postscreening (Interval) Colorectal Cancers Is Comparable to That From Cancer in Unscreened Patients-A Randomized Sigmoidoscopy Trial
Gastroenterology, 155 (6), 1787-1794.e3
DOI 10.1053/j.gastro.2018.08.035, PubMed 30165051
Fecal Microbiota Transplantation for Primary Clostridium difficile Infection
N Engl J Med, 378 (26), 2535-2536
DOI 10.1056/NEJMc1803103, PubMed 29860912
Overdiagnosis in Colorectal Cancer Screening: Time to Acknowledge a Blind Spot
Gastroenterology, 155 (3), 592-595
DOI 10.1053/j.gastro.2018.07.037, PubMed 30076834
Polypectomy techniques among gastroenterologists in Norway - a nationwide survey
Endosc Int Open, 6 (7), E812-E820
DOI 10.1055/a-0607-0727, PubMed 29977999
Number of Adenomas Removed and Colorectal Cancers Prevented in Randomized Trials of Flexible Sigmoidoscopy Screening
Gastroenterology, 155 (4), 1059-1068.e2
DOI 10.1053/j.gastro.2018.06.040, PubMed 29935150
Performance measures for endoscopy services: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 50 (12), 1186-1204
DOI 10.1055/a-0755-7515, PubMed 30423593
Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative
United European Gastroenterol J, 7 (1), 21-44
DOI 10.1177/2050640618810242, PubMed 30788114
Publications 2017
Local emergency medical response after a terrorist attack in Norway: a qualitative study
BMJ Qual Saf, 26 (10), 806-816
DOI 10.1136/bmjqs-2017-006517, PubMed 28676492
Domains associated with successful quality improvement in healthcare - a nationwide case study
BMC Health Serv Res, 17 (1), 648
DOI 10.1186/s12913-017-2454-2, PubMed 28903723
[Data sharing]
Tidsskr Nor Laegeforen, 137 (10), 738
DOI 10.4045/tidsskr.17.0366, PubMed 28551975
[Correct and proper critical pathway]
Tidsskr Nor Laegeforen, 137 (17)
DOI 10.4045/tidsskr.17.0510, PubMed 28925233
Right and correct package
Tidsskr. Nor. Laegeforen., 137 (17), 1264
[Not Available]
Tidsskr Nor Laegeforen, 137 (20)
DOI 10.4045/tidsskr.17.0875, PubMed 29094556
Doubt
Tidsskr. Nor. Laegeforen., 137 (20), 1577-1578
Foreword
Endoscopy, 49 (3), 213
DOI 10.1055/s-0043-102442, PubMed 28249316
[Not Available]
Lakartidningen, 114
PubMed 28696487
New specialist education for doctors- from Swiss cheese to Kraftkar?
Tidsskr. Nor. Laegeforen., 137 (17), 1270-1271
[New specialist training for physicians - from Swiss cheese to strongman?]
Tidsskr Nor Laegeforen, 137 (17)
DOI 10.4045/tidsskr.17.0637, PubMed 28925200
Colorectal cancer death after adenoma removal in Scandinavia
Scand J Gastroenterol, 52 (12), 1377-1384
DOI 10.1080/00365521.2017.1377763, PubMed 28906163
Quality Indicators in Colonoscopy
Curr Treat Options Gastroenterol, 15 (3), 416-428
DOI 10.1007/s11938-017-0140-4, PubMed 28702775
Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years
Ann Intern Med, 166 (10), 758-759
DOI 10.7326/L17-0138, PubMed 28505646
Patient-reported adverse events after colonoscopy in Norway
Endoscopy, 49 (8), 745-753
DOI 10.1055/s-0043-105265, PubMed 28445903
Cecum intubation rate as quality indicator in clinical versus screening colonoscopy
Endosc Int Open, 5 (6), E489-E495
DOI 10.1055/s-0043-106180, PubMed 28573182
Authors' reply to Doherty and Hawkins
BMJ, 356, j1267
DOI 10.1136/bmj.j1267, PubMed 28283482
Effectiveness of flexible sigmoidoscopy screening in men and women and different age groups: pooled analysis of randomised trials
BMJ, 356, i6673
DOI 10.1136/bmj.i6673, PubMed 28087510
Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 49 (4), 378-397
DOI 10.1055/s-0043-103411, PubMed 28268235
Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative
United European Gastroenterol J, 5 (3), 309-334
DOI 10.1177/2050640617700014, PubMed 28507745
Sigmoidoscopy and faecal occult blood test - a comparative screening trial
Tidsskr Nor Laegeforen, 137 (10), 727-730
DOI 10.4045/tidsskr.16.1031, PubMed 28551972
Colorectal adenomas, surveillance, and cancer
Lancet Oncol, 18 (8), e427
DOI 10.1016/S1470-2045(17)30473-4, PubMed 28759374
[More harm than benefit - how much should the patients know?]
Tidsskr Nor Laegeforen, 137 (3), 175-176
DOI 10.4045/tidsskr.16.0954, PubMed 28181749
[Not Available]
Tidsskr Nor Laegeforen, 137 (9), 599
DOI 10.4045/tidsskr.17.0296, PubMed 28468459
More harm than benefit - how much should the patients know? Reply
Tidsskr. Nor. Laegeforen., 137 (9), 599
Epidemiology and risk factors of colorectal polyps
Best Pract Res Clin Gastroenterol, 31 (4), 419-424
DOI 10.1016/j.bpg.2017.06.004, PubMed 28842051
Publications 2016
The continuing uncertainty about cancer risk in inflammatory bowel disease
Gut, 65 (6), 889-93
DOI 10.1136/gutjnl-2015-311003, PubMed 27008845
Are rapidly growing cancers more lethal?
Eur J Cancer, 72, 210-214
DOI 10.1016/j.ejca.2016.11.011, PubMed 28042992
Lifestyle changes at middle age and mortality: a population-based prospective cohort study
J Epidemiol Community Health, 71 (1), 59-66
DOI 10.1136/jech-2015-206760, PubMed 27312250
Performance measures for upper gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 48 (9), 843-64
DOI 10.1055/s-0042-113128, PubMed 27548885
Performance measures for upper gastrointestinal endoscopy: A European Society of Gastrointestinal Endoscopy quality improvement initiative
United European Gastroenterol J, 4 (5), 629-656
DOI 10.1177/2050640616664843, PubMed 27733906
[M. Bretthauer & E. Hem reply]
Tidsskr Nor Laegeforen, 136 (1), 10
DOI 10.4045/tidsskr.15.1307, PubMed 26757645
Circumcision of boys Reply
Tidsskr. Nor. Laegeforen., 136 (1), 10
Who Is for CO2? Slow Adoption of Carbon Dioxide Insufflation in Colonoscopy
Ann Intern Med, 165 (2), 145-6
DOI 10.7326/M16-0209, PubMed 27159139
America, We Are Confused: The Updated U.S. Preventive Services Task Force Recommendation on Colorectal Cancer Screening
Ann Intern Med, 166 (2), 139-140
DOI 10.7326/M16-1805, PubMed 27820949
Population-Based Colonoscopy Screening for Colorectal Cancer: A Randomized Clinical Trial
JAMA Intern Med, 176 (7), 894-902
DOI 10.1001/jamainternmed.2016.0960, PubMed 27214731
[Not Available]
Tidsskr Nor Laegeforen, 136 (1), 24-6
DOI 10.4045/tidsskr.15.1257, PubMed 26757655
Requirements and standards facilitating quality improvement for reporting systems in gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
Endoscopy, 48 (3), 291-4
DOI 10.1055/s-0042-100186, PubMed 26841269
Reporting systems in gastrointestinal endoscopy: Requirements and standards facilitating quality improvement: European Society of Gastrointestinal Endoscopy position statement
United European Gastroenterol J, 4 (2), 172-6
DOI 10.1177/2050640616629079, PubMed 27087943
Endoscopy again supports Colorectal Cancer Awareness Month
Endoscopy, 48 (3), 209
DOI 10.1055/s-0042-102468, PubMed 26906311
Systematic review with meta-analysis: the comparative effectiveness of aspirin vs. screening for colorectal cancer prevention
Aliment Pharmacol Ther, 45 (2), 193-204
DOI 10.1111/apt.13857, PubMed 27859394
Cecal intubation failure: Refer or change technique?
Gastrointest Endosc, 83 (6), 1245-7
DOI 10.1016/j.gie.2015.12.014, PubMed 27206588
Gradual stiffness versus magnetic imaging-guided variable stiffness colonoscopes: A randomized noninferiority trial
United European Gastroenterol J, 5 (1), 128-133
DOI 10.1177/2050640616639162, PubMed 28405331
Effectiveness of Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years: A Prospective Observational Study
Ann Intern Med, 166 (1), 18-26
DOI 10.7326/M16-0758, PubMed 27669524
Colonoscopy and Risk of Infective Endocarditis in the Elderly
J Am Coll Cardiol, 68 (5), 570-571
DOI 10.1016/j.jacc.2016.05.041, PubMed 27470461
[Not Available]
Tidsskr Nor Laegeforen, 136 (16), 1326-7
DOI 10.4045/tidsskr.16.0690, PubMed 27637038
Incentives and participation in a medical survey
Tidsskr Nor Laegeforen, 136 (12-13), 1082-7
DOI 10.4045/tidsskr.15.1096, PubMed 27381786
Pain and sedation during colonoscopy - a never ending story
Endosc Int Open, 4 (5), E538-9
DOI 10.1055/s-0042-106085, PubMed 27227111
Routine vs. on-demand analgesia in colonoscopy: a randomized clinical trial
Endoscopy, 48 (9), 823-8
DOI 10.1055/s-0042-108433, PubMed 27305424
Rationale and design of the European Polyp Surveillance (EPoS) trials
Endoscopy, 48 (6), 571-8
DOI 10.1055/s-0042-104116, PubMed 27042931
Recognizing Data Generation
N Engl J Med, 374 (19), 1898
DOI 10.1056/NEJMc1603789, PubMed 27096437
Cancer surveillance in gastroenterology practice
Best Pract Res Clin Gastroenterol, 30 (6), 853-854
DOI 10.1016/j.bpg.2016.10.016, PubMed 27938780
Commentary: "Randomize, Then Consent" or "Consent, Then Randomize"?: Revitalizing the Issue of Preconsent Randomization
Epidemiology, 27 (3), 393-4
DOI 10.1097/EDE.0000000000000469, PubMed 26849639
Expert opinions and scientific evidence for colonoscopy key performance indicators
Gut, 65 (12), 2045-2060
DOI 10.1136/gutjnl-2016-312043, PubMed 27802153
European Society of Gastrointestinal Endoscopy - Establishing the key unanswered research questions within gastrointestinal endoscopy
Endoscopy, 48 (10), 884-891
DOI 10.1055/s-0042-110398, PubMed 27485483
Publications 2015
[Circumcision of boys]
Tidsskr Nor Laegeforen, 135 (21), 1926-7
DOI 10.4045/tidsskr.15.0756, PubMed 26577316
[M. Bretthauer & E. Hem reply]
Tidsskr Nor Laegeforen, 135 (23-24), 2130
DOI 10.4045/tidsskr.15.1254, PubMed 26674025
Circumcision of boys Reply
Tidsskr. Nor. Laegeforen., 135 (23-24), 2130
Do's and don'ts in evaluation of endoscopic screening for gastrointestinal cancers
Endoscopy, 48 (1), 75-80
DOI 10.1055/s-0034-1393094, PubMed 26382306
More adenomas - less cancer? Advanced imaging in colonoscopy
Endoscopy, 47 (5), 396-7
DOI 10.1055/s-0034-1391864, PubMed 25910007
Reply to Ishaq et al
Endoscopy, 47 (10), 959
DOI 10.1055/s-0034-1392409, PubMed 26417975
Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: less is more Reply
Endoscopy, 47 (10), 959
Efficacy and safety of endoscopic resection of large colorectal polyps: a systematic review and meta-analysis
Gut, 65 (5), 806-20
DOI 10.1136/gutjnl-2014-308481, PubMed 25681402
Leadership training to improve adenoma detection rate in screening colonoscopy: a randomised trial
Gut, 65 (4), 616-24
DOI 10.1136/gutjnl-2014-307503, PubMed 25670810
Benefits and harms of mammography screening
Breast Cancer Res, 17 (1), 63
DOI 10.1186/s13058-015-0525-z, PubMed 25928287
Time trends in quality indicators of colonoscopy
United European Gastroenterol J, 4 (1), 110-20
DOI 10.1177/2050640615570147, PubMed 26966531
Effectiveness, training and quality assurance of colonoscopy screening for colorectal cancer
Gut, 64 (6), 982-90
DOI 10.1136/gutjnl-2014-308076, PubMed 25804631
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
Endoscopy, 48 (1), 81-9
DOI 10.1055/s-0035-1569580, PubMed 26662057
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
United European Gastroenterol J, 4 (1), 30-41
DOI 10.1177/2050640615624631, PubMed 26966520
Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline
Eur Radiol, 25 (2), 331-45
DOI 10.1007/s00330-014-3435-z, PubMed 25278245
Bounding the per-protocol effect in randomized trials: an application to colorectal cancer screening
Trials, 16, 541
DOI 10.1186/s13063-015-1056-8, PubMed 26620120
Publications 2014
Long-term lifestyle changes after colorectal cancer screening: randomised controlled trial
Gut, 64 (8), 1268-76
DOI 10.1136/gutjnl-2014-307376, PubMed 25183203
Endoscopy training: time to stop counting procedures?
Gut, 63 (11), 1686-7
DOI 10.1136/gutjnl-2014-306765, PubMed 24604824
Long-Term Colorectal-Cancer Mortality after Adenoma Removal REPLY
N. Engl. J. Med., 371 (21), 2035-2036
Long-term colorectal-cancer mortality after adenoma removal
N Engl J Med, 371 (21), 2036-7
DOI 10.1056/NEJMc1411954, PubMed 25409378
Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: a multicenter randomized controlled trial
Endoscopy, 47 (3), 192-9
DOI 10.1055/s-0034-1390795, PubMed 25412093
[What should non-inferiority studies be called in Norwegian?]
Tidsskr Nor Laegeforen, 134 (8), 852-3
DOI 10.4045/tidsskr.14.0059, PubMed 24780988
[P. Gjersvik and colleagues reply]
Tidsskr Nor Laegeforen, 134 (12-13), 1215
DOI 10.4045/tidsskr.14.0744, PubMed 24989185
[Comparative effectiveness research]
Tidsskr Nor Laegeforen, 134 (14), 1374
DOI 10.4045/tidsskr.14.0485, PubMed 25096435
[Consensus-based guidelines may prevent necessary research]
Tidsskr Nor Laegeforen, 134 (2), 148-9
DOI 10.4045/tidsskr.13.1313, PubMed 24477144
Long-term risk of colorectal cancer in individuals with serrated polyps
Gut, 64 (6), 929-36
DOI 10.1136/gutjnl-2014-307793, PubMed 25399542
Effect of flexible sigmoidoscopy screening on colorectal cancer incidence and mortality: a randomized clinical trial
JAMA, 312 (6), 606-15
DOI 10.1001/jama.2014.8266, PubMed 25117129
[Implementation of guidelines for PSA testing in general practice]
Tidsskr Nor Laegeforen, 134 (21), 2032-4
DOI 10.4045/tidsskr.14.0982, PubMed 25387926
Too much mammography
BMJ, 348, g1403
DOI 10.1136/bmj.g1403, PubMed 24519765
Comparative analysis of breast cancer mortality following mammography screening in Denmark and Norway
Ann Oncol, 25 (6), 1137-43
DOI 10.1093/annonc/mdu122, PubMed 24669012
Polyethylene glycol vs sodium picosulfate/magnesium citrate for colonoscopy preparation
Endosc Int Open, 2 (4), E230-4
DOI 10.1055/s-0034-1377520, PubMed 26135098
Long-term colorectal-cancer mortality after adenoma removal
N Engl J Med, 371 (9), 799-807
DOI 10.1056/NEJMoa1315870, PubMed 25162886
Clinical indications for computed tomographic colonography: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline
Endoscopy, 46 (10), 897-915
DOI 10.1055/s-0034-1378092, PubMed 25268304
Ethical issues in colorectal cancer screening
Best Pract Res Clin Gastroenterol, 28 (2), 315-26
DOI 10.1016/j.bpg.2014.03.002, PubMed 24810192
Publications 2013
Computed tomography colonography vs. colonoscopy for colorectal cancer screening: close call, but not closed case
Endoscopy, 45 (3), 159-60
DOI 10.1055/s-0032-1326208, PubMed 23446666
Principles, effectiveness and caveats in screening for cancer
Br J Surg, 100 (1), 55-65
DOI 10.1002/bjs.8995, PubMed 23212620
[Who should perform endoscopies?]
Tidsskr Nor Laegeforen, 133 (11), 1171
DOI 10.4045/tidsskr.13.0625, PubMed 23759774
Current status of screening for colorectal cancer
Ann Oncol, 24 (8), 1963-72
DOI 10.1093/annonc/mdt157, PubMed 23619033
Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) guideline
Endoscopy, 45 (2), 142-50
DOI 10.1055/s-0032-1326186, PubMed 23335011
New polyps, old tricks: controversy about removing benign bowel lesions
BMJ, 347, f5843
DOI 10.1136/bmj.f5843, PubMed 24103540
Risk stratification to predict pain during unsedated colonoscopy: results of a multicenter cohort study
Endoscopy, 45 (9), 691-6
DOI 10.1055/s-0033-1344239, PubMed 23884794
Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals
Cochrane Database Syst Rev, 2013 (9), CD009259
DOI 10.1002/14651858.CD009259.pub2, PubMed 24085634
[Pain in connection with colonoscopy in Norway]
Tidsskr Nor Laegeforen, 133 (10), 1074-8
DOI 10.4045/tidsskr.12.1467, PubMed 23712171
Failure to account for selection-bias
Int J Cancer, 133 (11), 2751-3
DOI 10.1002/ijc.28244, PubMed 23649899
Colorectal cancer screening--optimizing current strategies and new directions
Nat Rev Clin Oncol, 10 (3), 130-42
DOI 10.1038/nrclinonc.2013.12, PubMed 23381005
Long-term effectiveness of endoscopic screening on incidence and mortality of colorectal cancer: A randomized trial
United European Gastroenterol J, 1 (3), 162-8
DOI 10.1177/2050640613483290, PubMed 24917955
From clinical questions to trustworthy answers
Tidsskr Nor Laegeforen, 133 (15), 1611-4
DOI 10.4045/tidsskr.13.0650, PubMed 23970279
Publications 2012
A tissue-based comparative effectiveness analysis of biomarkers for early detection of colorectal tumors
Clin Transl Gastroenterol, 3 (12), e27
DOI 10.1038/ctg.2012.21, PubMed 23324654
Risk stratification for advanced colorectal neoplasia--letter
Cancer Prev Res (Phila), 5 (12), 1405; author reply 1406
DOI 10.1158/1940-6207.CAPR-12-0383, PubMed 23151804
Comparative effectiveness research in cancer screening programmes
BMJ, 344, e2864
DOI 10.1136/bmj.e2864, PubMed 22628002
Colonoscopy as a triage screening test
N Engl J Med, 366 (8), 759-60
DOI 10.1056/NEJMe1114639, PubMed 22356330
Colorectal-Cancer Screening Reply
N. Engl. J. Med., 366 (22), 2131
European guidelines for quality assurance in colorectal cancer screening and diagnosis: overview and introduction to the full supplement publication
Endoscopy, 45 (1), 51-9
DOI 10.1055/s-0032-1325997, PubMed 23212726
Can old dogs learn new tricks?
J Interv Gastroenterol, 2 (3), 126-127
DOI 10.4161/jig.23733, PubMed 23805392
Reduced pain during screening colonoscopy with an ultrathin colonoscope: a randomized controlled trial
Endoscopy, 44 (8), 740-6
DOI 10.1055/s-0032-1309755, PubMed 22622786
Incontinence after colonoscopy--an unrecognized and preventable problem. A cross-sectional study from the Gastronet quality assurance program
Endoscopy, 44 (4), 349-53
DOI 10.1055/s-0031-1291657, PubMed 22392101
Overdiagnosis of invasive breast cancer due to mammography screening: results from the Norwegian screening program
Ann Intern Med, 156 (7), 491-9
DOI 10.7326/0003-4819-156-7-201204030-00005, PubMed 22473436
Overdiagnosis of Invasive Breast Cancer due to Mammography Screening RESPONSE
Ann. Intern. Med., 157 (3), 221-222
DOI 10.7326/0003-4819-157-3-201208070-00025
Limited use of nonprogram screening in Norway
Int J Cancer, 132 (7), 1723-4
DOI 10.1002/ijc.27807, PubMed 22933134
Prognosis in women with interval breast cancer: population based observational cohort study
BMJ, 345, e7536
DOI 10.1136/bmj.e7536, PubMed 23160783
The NordICC Study: rationale and design of a randomized trial on colonoscopy screening for colorectal cancer
Endoscopy, 44 (7), 695-702
DOI 10.1055/s-0032-1306895, PubMed 22723185
Single- versus double-balloon enteroscopy: the evidence base: Comment on Endoscopy essentials, Small-bowel endoscopy
Endoscopy, 44 (8), 799; author reply 800
DOI 10.1055/s-0032-1310001, PubMed 22833025
Withdrawal time as a quality indicator for colonoscopy - a nationwide analysis
Endoscopy, 44 (5), 476-81
DOI 10.1055/s-0032-1306898, PubMed 22531983
European guidelines for quality assurance in colorectal cancer screening and diagnosis. First Edition--Quality assurance in endoscopy in colorectal cancer screening and diagnosis
Endoscopy, 44 Suppl 3, SE88-105
DOI 10.1055/s-0032-1309795, PubMed 23012124
Publications 2011
Colorectal cancer screening
J Intern Med, 270 (2), 87-98
DOI 10.1111/j.1365-2796.2011.02399.x, PubMed 21575082
[What is established treatment?]
Tidsskr Nor Laegeforen, 131 (13-14), 1275
DOI 10.4045/tidsskr.11.13E1, PubMed 21725376
Quality assurance in gastroenterology
Best Pract Res Clin Gastroenterol, 25 (3), 335-6
DOI 10.1016/j.bpg.2011.05.008, PubMed 21764001
Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas
Cancer Epidemiol Biomarkers Prev, 20 (8), 1726-35
DOI 10.1158/1055-9965.EPI-11-0359, PubMed 21693628
Single- vs. double-balloon enteroscopy in small-bowel diagnostics: a randomized multicenter trial
Endoscopy, 43 (6), 472-6
DOI 10.1055/s-0030-1256247, PubMed 21384320
Gastronet survey on the use of one- or two-person technique for colonoscopy insertion
BMC Gastroenterol, 11, 73
DOI 10.1186/1471-230X-11-73, PubMed 21672243
Magnetic endoscopic imaging versus standard colonoscopy in a routine colonoscopy setting: a randomized, controlled trial
Gastrointest Endosc, 73 (6), 1215-22
DOI 10.1016/j.gie.2011.01.054, PubMed 21481862
Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomas
Mol Cancer, 10, 85
DOI 10.1186/1476-4598-10-85, PubMed 21777459
Nitrous oxide for analgesia in colonoscopy without sedation
Gastrointest Endosc, 74 (6), 1347-53
DOI 10.1016/j.gie.2011.07.071, PubMed 22136779
Publications 2010
Which tool is best for colorectal cancer screening?
BMJ, 340, c2831
DOI 10.1136/bmj.c2831, PubMed 20516015
["Shall I not be randomized?"]
Tidsskr Nor Laegeforen, 130 (11), 1119
DOI 10.4045/tidsskr.10.0590, PubMed 20531489
Evidence for colorectal cancer screening
Best Pract Res Clin Gastroenterol, 24 (4), 417-25
DOI 10.1016/j.bpg.2010.06.005, PubMed 20833346
Turning science into clinical practice - the case of carbon dioxide insufflation
Endoscopy, 42 (12), 1104-5
DOI 10.1055/s-0030-1255973, PubMed 21120777
Colorectal cancer screening Author's reply
Br. Med. J., 341, c4620
DOI 10.1136/bmj.c4620
[Colorectal cancer screening--at last discussed!]
Tidsskr Nor Laegeforen, 130 (20), 2012
DOI 10.4045/tidsskr.10.0932, PubMed 20967034
Colonoscope with a sub-distal hyper-flaccid segment for improved insertion at colonoscopy: a randomized study
Scand J Gastroenterol, 46 (1), 104-8
DOI 10.3109/00365521.2010.521891, PubMed 20923378
Sustaining the vitality of colonoscopy quality improvement programmes over time. Experience from the Norwegian Gastronet programme
Scand J Gastroenterol, 45 (3), 362-9
DOI 10.3109/00365520903497106, PubMed 20095874
Patient satisfaction with on-demand sedation for outpatient colonoscopy
Endoscopy, 42 (8), 639-46
DOI 10.1055/s-0030-1255612, PubMed 20669075
Publications 2009
The capsule and colorectal-cancer screening--the crux of the matter
N Engl J Med, 361 (3), 300-1
DOI 10.1056/NEJMe0903924, PubMed 19605836
The First Transatlantic Symposium on Colorectal Cancer Screening
Endoscopy, 41 (9), 816-7
DOI 10.1055/s-0029-1215049, PubMed 19685421
[A year with New England Journal of Medicine]
Tidsskr Nor Laegeforen, 129 (19), 1971
DOI 10.4045/tidsskr.09.1022, PubMed 19823197
[Do you understand me?]
Tidsskr Nor Laegeforen, 129 (21), 2211
DOI 10.4045/tidsskr.09.1081, PubMed 19898565
Capsule Endoscopy versus Colonoscopy REPLY
N. Engl. J. Med., 361 (16), 1609-1610
[Without registration, no publishing!]
Tidsskr Nor Laegeforen, 129 (8), 733
DOI 10.4045/tidsskr.09.08E1, PubMed 19373295
Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trial
BMJ, 338, b1846
DOI 10.1136/bmj.b1846, PubMed 19483252
Quality assurance as an integrated part of the electronic medical record - a prototype applied for colonoscopy
Scand J Gastroenterol, 44 (10), 1259-65
DOI 10.1080/00365520903132021, PubMed 19658021
Spontaneous regression of invasive breast cancer: does this study answer the question?
Arch Intern Med, 169 (10), 997
DOI 10.1001/archinternmed.2009.91, PubMed 19468097
Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort study
Breast Cancer Res, 11 (4), R44
DOI 10.1186/bcr2331, PubMed 19575807
Publications 2008
[Statistical significance and clinical relevance]
Tidsskr Nor Laegeforen, 128 (3), 279
PubMed 18264146
Are sodium phosphate tablets better than polyethylene glycol solution plus bisacodyl tablets for bowel preparation?
Nat Clin Pract Gastroenterol Hepatol, 5 (6), 296-7
DOI 10.1038/ncpgasthep1142, PubMed 18461058
Erroneous on screening colonoscopy
Z. Gastroent., 46 (6), 633
Appointments timed in proximity to annual milestones and compliance with screening: randomised controlled trial
BMJ, 337, a2794
DOI 10.1136/bmj.a2794, PubMed 19091759
Patients' satisfaction: an important factor in quality control of gastroscopies
Scand J Gastroenterol, 43 (8), 1004-11
DOI 10.1080/00365520801958592, PubMed 19086282
Publications 2007
[Prevention and early diagnosis of colorectal cancer]
Tidsskr Nor Laegeforen, 127 (20), 2688-91
PubMed 17952153
Carbon dioxide insufflation for more comfortable endoscopic retrograde cholangiopancreatography: a randomized, controlled, double-blind trial
Endoscopy, 39 (1), 58-64
DOI 10.1055/s-2006-945036, PubMed 17252462
Carbon dioxide insufflation improves intubation depth in double-balloon enteroscopy: a randomized, controlled, double-blind trial
Endoscopy, 39 (12), 1064-7
DOI 10.1055/s-2007-966990, PubMed 18072057
Colonic explosion: an unavoidable complication?
Endoscopy, 39 (3), 258
DOI 10.1055/s-2007-966200, PubMed 17385113
Improvement in caecal intubation rate and pain reduction by using 3-dimensional magnetic imaging for unsedated colonoscopy: a randomized trial of patients referred for colonoscopy
Scand J Gastroenterol, 42 (7), 885-9
DOI 10.1080/00365520601127125, PubMed 17558914
Kliniske studier
In Epidemiologiske og kliniske forskningsmetoder, Gyldendal akademisk, Oslo, [285]-[301]
BIBSYS 071649743
[Colorectal cancer--a disease one doesn't talk about]
Tidsskr Nor Laegeforen, 127 (20), 2651
PubMed 17952144
Double-balloon enteroscopy for endoscopic retrograde cholangiography in patients with a Roux-en-Y anastomosis
Endoscopy, 39 (12), 1068-71
DOI 10.1055/s-2007-966841, PubMed 18072058
Publications 2006
[Can CT colonography replace coloscopy?]
Tidsskr Nor Laegeforen, 126 (11), 1464
PubMed 16732337
[Screening for colorectal cancer. Collaboration among politicians and scientists is necessary]
Laeknabladid, 92 (7-8), 521-4
PubMed 16818999
[Politics and science in colorectal cancer screening]
Ugeskr Laeger, 168 (26-32), 2563-5
PubMed 16824412
[Politics and science in colorectal cancer screening]
Tidsskr Nor Laegeforen, 126 (13), 1766-7
PubMed 16794676
The science and politics of colorectal cancer screening
PLoS Med, 3 (1), e36; quiz e104
DOI 10.1371/journal.pmed.0030036, PubMed 16383349
The Norwegian Gastronet project: Continuous quality improvement of colonoscopy in 14 Norwegian centres
Scand J Gastroenterol, 41 (4), 481-7
DOI 10.1080/00365520500265208, PubMed 16635918
Publications 2005
[Quality improvement in Norwegian hospitals]
Tidsskr Nor Laegeforen, 125 (9), 1150
PubMed 15880147
Carbon dioxide insufflation in colonoscopy: safe and effective in sedated patients
Endoscopy, 37 (8), 706-9
DOI 10.1055/s-2005-870154, PubMed 16032487
Lifestyle-related risk factors and chemoprevention for colorectal neoplasia: experience from the large-scale NORCCAP screening trial
Eur J Cancer Prev, 14 (4), 373-9
DOI 10.1097/00008469-200508000-00010, PubMed 16030428
Biopsy of colorectal polyps is not adequate for grading of neoplasia
Endoscopy, 37 (12), 1193-7
DOI 10.1055/s-2005-921031, PubMed 16329016
Evaluation of a novel colonoscope designed for easier passage through flexures: a randomized study
Endoscopy, 37 (11), 1123-6
DOI 10.1055/s-2005-870444, PubMed 16281143
Polyethylene glycol versus sodium phosphate in bowel cleansing for colonoscopy: a randomized trial
Endoscopy, 37 (6), 537-41
DOI 10.1055/s-2005-861315, PubMed 15933926
Sensitivity of pain rating scales in an endoscopy trial
Clin J Pain, 21 (4), 292-6
DOI 10.1097/01.ajp.0000110636.14355.3e, PubMed 15951645
[Presentation of statistical analysis in the Journal of the Norwegian Medical Association]
Tidsskr Nor Laegeforen, 125 (16), 2183-7
PubMed 16138131
Publications 2004
[Information about mammography screening]
Tidsskr Nor Laegeforen, 124 (17), 2227
PubMed 15356683
[When can generic preparations be used?]
Tidsskr Nor Laegeforen, 124 (20), 2598
PubMed 15534628
Colorectal cancer screening by flexible sigmoidoscopy: aspects of quality control and quality improvement based on experience from the NORCCAP (Norwegian Colorectal Cancer Prevention) trial
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 146, 1 b. (flere pag.)
BIBSYS 040132331, ISBN 82-8072-079-0
[Systematic quality control programme for colonoscopy in an endoscopy centre in Norway]
Tidsskr Nor Laegeforen, 124 (10), 1402-5
PubMed 15195182
Testing for faecal calprotectin (PhiCal) in the Norwegian Colorectal Cancer Prevention trial on flexible sigmoidoscopy screening: comparison with an immunochemical test for occult blood (FlexSure OBT)
Gut, 53 (9), 1329-33
DOI 10.1136/gut.2004.039032, PubMed 15306594
Publications 2003
The use of CO2 in colonoscopy
Gastrointest Endosc, 57 (3), 436-7; author reply 437-8
DOI 10.1067/mge.2003.108, PubMed 12612542
Air and carbon dioxide volumes insufflated during colonoscopy
Gastrointest Endosc, 58 (2), 203-6
DOI 10.1067/mge.2003.340, PubMed 12872086
Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trial
BMC Gastroenterol, 3, 15
DOI 10.1186/1471-230X-3-15, PubMed 12803654
Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer
Scand J Gastroenterol, 38 (12), 1268-74
DOI 10.1080/00365520310006513, PubMed 14750648
Grading of distal colorectal adenomas as predictors for proximal colonic neoplasia and choice of endoscope in population screening: experience from the Norwegian Colorectal Cancer Prevention study (NORCCAP)
Gut, 52 (3), 398-403
DOI 10.1136/gut.52.3.398, PubMed 12584223
The Norwegian Colorectal Cancer Prevention (NORCCAP) screening study: baseline findings and implementations for clinical work-up in age groups 50-64 years
Scand J Gastroenterol, 38 (6), 635-42
DOI 10.1080/00365520310003002, PubMed 12825872
Re: Baseline findings of the Italian multicenter randomized controlled trial of "once-only sigmoidoscopy"--SCORE
J Natl Cancer Inst, 95 (14), 1089-90; author reply 1090
DOI 10.1093/jnci/95.14.1089, PubMed 12865459
Publications 2002
Design, organization and management of a controlled population screening study for detection of colorectal neoplasia: attendance rates in the NORCCAP study (Norwegian Colorectal Cancer Prevention)
Scand J Gastroenterol, 37 (5), 568-73
DOI 10.1080/00365520252903125, PubMed 12059059
Carbon dioxide insufflation reduces discomfort due to flexible sigmoidoscopy in colorectal cancer screening
Scand J Gastroenterol, 37 (9), 1103-7
DOI 10.1080/003655202320378329, PubMed 12374237
Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening
Endoscopy, 34 (10), 814-8
DOI 10.1055/s-2002-34273, PubMed 12244504
NORCCAP (Norwegian colorectal cancer prevention): a randomised trial to assess the safety and efficacy of carbon dioxide versus air insufflation in colonoscopy
Gut, 50 (5), 604-7
DOI 10.1136/gut.50.5.604, PubMed 11950803
Continuous evaluation of patient satisfaction in endoscopy centres
Scand J Gastroenterol, 37 (7), 850-5
DOI 10.1080/713786520, PubMed 12190102
Publications 2000
[Practice from Germany not sanctioned as specialist education in Norway]
Tidsskr Nor Laegeforen, 120 (21), 2580-1
PubMed 11071005
Publications 1996
ACD versus standard CPR in a prehospital setting
Resuscitation, 33 (2), 117-24
DOI 10.1016/s0300-9572(96)01021-0, PubMed 9025127