Research Topics
| Michael BretthauerSummaryAffiliation: Rikshospitalet University Hospital Country: Norway Publications
| Collaborators
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Detail Information
Publications
The science and politics of colorectal cancer screeningGeir Hoff
Institute of Population-based Cancer Research, Oslo, Norway
PLoS Med 3:e36; quiz e104. 2006
[Can CT colonography replace coloscopy?]Michael Bretthauer
Tidsskr Nor Laegeforen 126:1464. 2006
[Politics and science in colorectal cancer screening]Michael Bretthauer
Kretfregisteret, Montebello, N-0310 Oslo, Norge
Ugeskr Laeger 168:2563-5. 2006
Gastronet survey on the use of one- or two-person technique for colonoscopy insertionGeir Hoff
Dept of Medicine, Telemark Hospital, 3710 Skien, Norway
BMC Gastroenterol 11:73. 2011..Using the Norwegian national endoscopy quality assurance (QA) programme, Gastronet, we wanted to explore the extent of two-person technique practice and look into possible differences in performance and QA output measures...
Evidence for colorectal cancer screeningMichael Bretthauer
Centre for Colorectal Cancer Screening, The Cancer Registry of Norway, Oslo University Hospital, PO Box 5313 Majorstuen, N 0304 Oslo, Norway
Best Pract Res Clin Gastroenterol 24:417-25. 2010..FOBT and flexible sigmoidoscopy are the two CRC screening methods which have been tested in randomised trials and shown to reduce CRC mortality. These tests can be recommended for CRC screening...
Evidence for colorectal cancer screeningMichael Bretthauer
Centre for Colorectal Cancer Screening, The Cancer Registry of Norway, Oslo University Hospital, P O Box 5313 Majorstuen, N 0304 Oslo, Norway
Best Pract Res Clin Anaesthesiol 24:417-25. 2010..FOBT and flexible sigmoidoscopy are the two CRC screening methods which have been tested in randomised trials and shown to reduce CRC mortality. These tests can be recommended for CRC screening...
[Prevention and early diagnosis of colorectal cancer]Michael Bretthauer
Medisinsk avdeling, Seksjon for fordøyelsessykdommer, Rikshospitalet Radiumhospitalet, 0027 Oslo
Tidsskr Nor Laegeforen 127:2688-91. 2007..An increasing incidence is observed. CRC develops from benign adenomas in the colon over a long time. This paper reviews the evidence for drug prevention and screening for CRC...
Colorectal cancer screeningM Bretthauer
Centre for Colorectal Cancer Screening, The Cancer Registry of Norway, Oslo University Hospital, Oslo, Norway
J Intern Med 270:87-98. 2011..Colonoscopy has the potential to be superior to FOBT and flexible sigmoidoscopy, but needs to be evaluated in randomized trials before any recommendation can be provided...
[Screening for colorectal cancer. Collaboration among politicians and scientists is necessary]Michael Bretthauer
The Norwegian Cancer Registry, Oslo, Norway
Laeknabladid 92:521-4. 2006..We fear that colonoscopy will be introduced as a screening method without proper scientific support. Therefore we want to argue for a common Nordic randomized study on population screening with colonoscopy...
[Politics and science in colorectal cancer screening]Michael Bretthauer
Tidsskr Nor Laegeforen 126:1766-7. 2006
Sensitivity of pain rating scales in an endoscopy trialEva Skovlund
Section of Medical Statistics, University of Oslo, Oslo, Norway
Clin J Pain 21:292-6. 2005..Both are considered reliable and valid, but previous studies regarding sensitivity of rating scales have lead to different conclusions, and there is no firm agreement as to the best scale to choose...
Appointments timed in proximity to annual milestones and compliance with screening: randomised controlled trialGeir Hoff
Cancer Registry of Norway, Oslo, Norway
BMJ 337:a2794. 2008..To investigate whether appointments for screening timed in proximity to annual milestones (birthdays, Christmas and New Year) may be used as a strategy to improve attendance for screening for colorectal cancer...
Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trialGeir Hoff
Norwegian Colorectal Cancer Prevention NORCCAP Centre, Cancer Registry of Norway, Montebello, NO 0310 Oslo, Norway
BMJ 338:b1846. 2009..To determine the risk of colorectal cancer after screening with flexible sigmoidoscopy...
Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort studyMette Kalager
The Cancer Registry of Norway, P, O, B 5313 Majorstuen, N 0304 Oslo, Norway
Breast Cancer Res 11:R44. 2009..In Norway, a national mammography screening program was introduced among women aged 50 to 69 years during 1995/6 to 2004. Also during this time, multidisciplinary breast cancer care units were implemented...
[Systematic quality control programme for colonoscopy in an endoscopy centre in Norway]Michael Bretthauer
Seksjon for mage og tarmsykdommer, Medisinsk klinikk, Sykehuset Telemark, 3710 Skien
Tidsskr Nor Laegeforen 124:1402-5. 2004..The quality of the procedure varies between centres and endoscopists. The aim of the present study was to describe a quality control programme for colonoscopy performance in a secondary care centre...
Overdiagnosis of invasive breast cancer due to mammography screening: results from the norwegian screening programMette Kalager
Harvard School of Public Health, Brigham and Women s Hospital, and Harvard Medical School, Boston, Massachusetts Karolinska Institutet, Stockholm, Sweden and Oslo University Hospital Rikshospitalet, Oslo, Norway
Ann Intern Med 156:491-9. 2012..Limitation: The study was registry-based. Conclusion: Mammography screening entails a substantial amount of overdiagnosis. Primary Funding Source: Norwegian Research Council and Frontier Science...
Air and carbon dioxide volumes insufflated during colonoscopyMichael Bretthauer
The Cancer Registry of Norway Institute for Population-Based Cancer Research, Oslo, Norway
Gastrointest Endosc 58:203-6. 2003..CONCLUSIONS: The volumes of carbon dioxide and air used during colonoscopy can be estimated. Differences in volumes of gas used by experienced endoscopists were detected...
Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trialMichael Bretthauer
The Cancer Registry of Norway, 0310 Oslo, Norway
BMC Gastroenterol 3:15. 2003..Continuously, throughout a two-year screening period, series of microbiological samples were taken from cleaned ready-to-use endoscopes and cultured for bacterial growth...
Quality assurance as an integrated part of the electronic medical record - a prototype applied for colonoscopyGeir Hoff
Cancer Registry of Norway, Oslo, Norway
Scand J Gastroenterol 44:1259-65. 2009..Electronic medical records (EMRs) have not developed much beyond the days of typewritten journals when it comes to facilitating extraction of data for quality assurance (QA) and improvement of health-care performance...
Nitrous oxide for analgesia in colonoscopy without sedationMagnus Løberg
The Cancer Registry of Norway, Oslo, Norway
Gastrointest Endosc 74:1347-53. 2011..In spite of promising results in previous studies, nitrous oxide is rarely used at endoscopy centers around the world...
Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomasGuro E Lind
Department of Cancer Prevention, Institute for Cancer Research, Oslo University Hospital Radiumhospitalet, Oslo, Norway
Mol Cancer 10:85. 2011..This study investigates a panel of epigenetic markers for the detection of colorectal cancer and adenomas...
Re: Baseline findings of the Italian multicenter randomized controlled trial of "once-only sigmoidoscopy"--SCOREGeir Hoff
J Natl Cancer Inst 95:1089-90; author reply 1090. 2003
The Norwegian Gastronet project: Continuous quality improvement of colonoscopy in 14 Norwegian centresGeir Hoff
Department of Medicine, Telemark Hospital Skien, Norway
Scand J Gastroenterol 41:481-7. 2006..In this situation, it is particularly important to evaluate the quality of the service given. In this article we present our first year of experience with a quality network of endoscopy centres in Norway (Gastronet)...
[Statistical significance and clinical relevance]Michael Bretthauer
Tidsskr Nor Laegeforen 128:279. 2008
Improvement in caecal intubation rate and pain reduction by using 3-dimensional magnetic imaging for unsedated colonoscopy: a randomized trial of patients referred for colonoscopyGeir Hoff
Department of Medicine, Telemark Hospital, Skien, Norway
Scand J Gastroenterol 42:885-9. 2007..The aim of the present study was to evaluate the effect of MEI on caecal intubation and patient pain during unsedated colonoscopy performed by experienced and inexperienced colonoscopists...
[Presentation of statistical analysis in the Journal of the Norwegian Medical Association]Geir Aamodt
Institutt for klinisk epidemiologi og molekylaerbiologi, Akershus universitetssykehus, Postboks 75 1478 Nordbyhagen
Tidsskr Nor Laegeforen 125:2183-7. 2005..The paper is a supplement to the guidelines for authors in the journal and should not be used as replacement for statistics manuals...
[Quality improvement in Norwegian hospitals]Michael Bretthauer
Tidsskr Nor Laegeforen 125:1150. 2005
[Information about mammography screening]Michael Bretthauer
Tidsskr Nor Laegeforen 124:2227. 2004
The use of CO2 in colonoscopyMichael Bretthauer
Gastrointest Endosc 57:436-7; author reply 437-8. 2003
