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  • Title: Patient dose variation investigated in four Irish hospitals for barium meal and barium enema examinations.
    Author: Carroll E, Brennan PC.
    Journal: Radiat Prot Dosimetry; 2001; 97(3):275-8. PubMed ID: 11843344.
    Abstract:
    Four hospitals have been studied, intra- and inter-hospital variations examined and the mean DAP values recorded for barium enemas and barium meals. Mean DAP values for barium meals and barium enemas at 11.4 Gy x cm2 and 20.1 Gy x cm2 respectively have been shown. Differences between individual examinations for barium meals varied by up to a factor of 185 and for barium enemas, up to a factor of 19, with hospital means for barium meal and enema examinations each differing by up to a factor of 3. The data provided by this study have suggested that large variations in patient dose do exist in Ireland for barium meal and barium enema examinations. Fluoroscopy time was shown to be a major contributor to the variations reported, with number of images playing a minor role. Results have demonstrated the need for standardisation of technique throughout the country for these examinations.
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