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Master Thesis

Passage au test immunologique dans le dépistage organisé du cancer colorectal : étude en Gironde parmi les personnes ayant refusé de participer au test Hemoccult

Abstract : Introduction : The changeover to immunochemical fecal occult blood test (iFOBT) should improve the participation rate of colorectal cancer screening. We have studied the influence of this shift among people who refused to do the gaïac test (gFOBT) in the past. Method : We have divided the group of people who refused to do gFOBT in the past, into two subgroups. I+ group represents the people who sent back the iFOBT before October 2015. I- group represents a random selection of 2000 individuals among people who were invited to do the screening in July 2015 and who didn’t send back the test in October. A different questionnaire was sent to each group. Results : Information about colorectal cancer screening is well transmitted by the medias : 89.0% of the I+ group and 82.9% of the I- group had heard about this problem. However, general practitioners (GP) do not inform enough the patients about the screening during consultations: 70.5% of the Igroup have never discussed it with their GP. Among the I+ group, 93.5% of GPs seem to be convinced by the benefits of screening and 90.6% give an accurate information. The feasibility of iFOBT proved to be good : 89,8% of the I+ group found it easy to do. Among the I- group, the main causes explaining a low participation rate are: an inconvenient sampling method (36,1%), a lack of time (34,7%), the feeling of not being concerned (23,6%) and a fear of the results (15,3%). Three proposals were given by the test groups to improve screening : first, that the test be directly suggested by GPs (53,8% of I+ and 33,8% of I-), secondly, the possibility of getting it in pharmacies (50,4% of I+ and 32,4% of I-) and finally the possibility of ordering it on the internet (27,1% of I+ and 25,3% of I-). Discussion : Our study is limited by a low participation rate among the I – group (only 4,6%). Although iFOBT is easier to do, many barriers persist against colorectal cancer screening. The GP seems to be the most effective person to overcome these barriers during a preventive consultation. In addition, multiplying the possibilities of access to the iFOBT (pharmaciy, internet) should have a positive impact on the participation rate.
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Master Thesis
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https://dumas.ccsd.cnrs.fr/dumas-01272151
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Submitted on : Wednesday, February 10, 2016 - 11:56:47 AM
Last modification on : Thursday, August 24, 2017 - 1:11:49 AM
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Benoît Hartog. Passage au test immunologique dans le dépistage organisé du cancer colorectal : étude en Gironde parmi les personnes ayant refusé de participer au test Hemoccult. Médecine humaine et pathologie. 2016. ⟨dumas-01272151⟩

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