Browsing USN Open Archive by Author "Bretthauer, Michael"
Now showing items 1-7 of 7
-
Air and carbon dioxide volumes insufflated during colonoscopy
Bretthauer, Michael; Hoff, Geir; Thiis-Evensen, Espen; Huppertz-Hauss, Gert; Skovlund, Eva (Journal article; Peer reviewed, 2003)BACKGROUND: During colonoscopy, air or carbon dioxide is insufflated to secure adequate visualization of the colon, and endoscopy trainees are reminded to use as little gas as possible to avoid patient discomfort. However, ... -
Evaluation of a novel colonoscope designed for easier passage of flexures : a randomised study
Hoff, Geir; Bretthauer, Michael; Huppertz-Hauss, Gert; Sauar, Jostein; Paulsen, Jørn; Dahler, Stein; Kjellevold, Øystein (Journal article; Peer reviewed, 2005)Background and Study Aims: A new colonoscope (XCF-Q160AW prototype, Olympus, Tokyo, Japan) has been developed, designed with an additional passive bending function to ease intubation through the left colonic flexure. In ... -
Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trial
Bretthauer, Michael; Jørgensen, Anita; Kristiansen, Bjørn Erik; Hofstad, Bjørn; Hoff, Geir (Journal article; Peer reviewed, 2003-06-13)BACKGROUND: Endoscopic colorectal cancer (CRC) screening is currently implemented in many countries. Since endoscopes cannot be sterilised, the transmission of infectious agents through endoscopes has been a matter of ... -
Re: Baseline findings of the Italian multicenter randomized controlled trial of "once-only sigmoidoscopy"--SCORE
Hoff, Geir; Bretthauer, Michael; Skovlund, Eva; Grotmol, Tom (Journal article; Peer reviewed, 2003) -
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)
Hoff, Geir; Grotmol, Tom; Thiis-Evensen, Espen; Bretthauer, Michael; Gondal, Ghous G.; Vatn, Morten H. (Journal article; Peer reviewed, 2004)BACKGROUND: Screening for colorectal cancer (CRC) using guaiac based faecal occult blood tests (FOBT) has an estimated programme sensitivity of >60% but <30% for strictly asymptomatic CRC in a single screening round. In ... -
The science and politics of colorectal cancer screening
Hoff, Geir; Bretthauer, Michael (Journal article; Peer reviewed, 2006) -
Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening
Bretthauer, Michael; Hoff, Geir; Thiis-Evensen, Espen; Grotmol, Tom; Larsen, Inger Kristin; Kjellevold, Øystein; Skovlund, Eva (Journal article; Peer reviewed, 2002)Background and Study Aims: To prevent transmission of infectious agents and to reduce instrument reprocessing time, the use of disposable sheath systems instead of conventionally reprocessed endoscopes has been promoted ...