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  • Title: [Comparison of analog and digital fluoroscopy devices regarding patient radiation exposure in enteroclysis].
    Author: Maataoui A, Reusch E, Khan MF, Gurung J, Thalhammer A, Ackermann H, Mulert-Ernst R, Vogl TJ, Jacobi V.
    Journal: Rofo; 2008 Mar; 180(3):246-51. PubMed ID: 18278732.
    Abstract:
    PURPOSE: With the development and refinement of digital imaging, conventional fluoroscopic units are increasingly being replaced by state-of-the-art digital units for the practice of gastrointestinal imaging. The purpose of this study was to compare digital and conventional methods of gastrointestinal imaging by enteroclysis based on radiation exposure to the patient and fluoroscopy time. MATERIALS AND METHODS: The medical records of 241 patients who underwent enteroclysis by the conventional technique in 1990 and 309 patients who underwent enteroclysis by digital technique between 2000 and 2004 were reviewed. The radiation exposure of the patient and the fluoroscopy time were evaluated. RESULTS: The mean radiation exposure was significantly lower (p < or = 0.05) for patients examined by the digital technique (4945.07 cGy x cm (2)) than for patients examined by the conventional technique (7513.6 cGy x cm (2)). The fluoroscopy time was significantly lower with the conventional technique (mean fluoroscopy time 9 min 43 sec) than with the digital technique (17 min 10 sec). CONCLUSION: We conclude that radiation exposure does not correlate directly with fluoroscopy time. Technical refinements of the digital technique such as Last Image Hold frames, which allow images to be stored with no increase in radiation dose and help to reduce digital fluorography exposures and pulsed fluoroscopy, result in significant dose reduction.
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