Colonoscopies: America’s gold standard, while Canada says they’re not justified (Reblog)
Do borders really exist in medicine, where the mere act of crossing political boundaries changes what screening programs are recommended? It seems that they do exist, and they’re well guarded.
Generating numerous headlines in major Canadian papers such as the National Post, The Toronto Star, Globe and Mail and Reuters, the Canadian Task Force on Preventive Health Care came out this week with new recommendations on colon cancer screening, essentially saying that routine colonoscopies were not justified. By contrast, in the United States, the U.S. Preventive Services Task Force (USPSTF) 2015 guidelines say that adults aged 50–75, should have a colonoscopy every 10 years; FIT (fecal immunochemical testing) or gFOBT (guaiac fecal occult blood testing ) annually or flexible sigmoidoscopy every 10 years plus FIT annually.
For this age group the Canadian Task Force says there is insufficient evidence to justify using colonoscopy for routine screening for colorectal cancer. They recommend patients should undergo the fecal occult blood testing every two years or flexible sigmoidoscopy – a procedure which examines the lower part of the colon and rectum every 10 years. These colon cancer screening guidelines, published in the Canadian Medical Association Journal, are for low-risk people: asymptomatic adults, aged 50 to 74 who have no prior history of the disease, no family history or symptoms such as blood in the stool, or a genetic disposition to the disease.
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