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  • Title: Dose-area product measurements during barium enema radiograph examinations--a Western Cape study.
    Author: Engel-Hills PC, Hering ER.
    Journal: S Afr Med J; 2001 Aug; 91(8):693-6. PubMed ID: 11584787.
    Abstract:
    The aim of this study was to obtain a direct measurement of the typical dose delivered to an average adult patient during a barium enema examination. Measurement was done on a a sample of 50 patients at three departments, using a dose-area product (DAP) meter. The comparison of the results with UK median levels indicates that the doses measured in South Africa are higher (41 Gy cm2 (dose x area) v. 48 Gy cm2). Patient protection can be improved by comparing local practice with national reference levels. The values obtained in this study (first quartile 35 Gy cm2, median 48 Gy cm2, third quartile 84 Gy cm2) are recommended as initial reference dose levels for barium enemas in South Africa.
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