Studies of Cs Retention in the Human Body Related to Body Parameters and Prussian Blue Administration

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Abstract
Using the in-vivo monitoring data from the individuals that suffered internal contamination in the Goiania accident, a preliminary study on the elimination of Cs from their body was conducted. It was concluded that elimination follows a first-order linear kinetic pattern, both with and without Prussian Blue treatment. Cesium half-lives for both sexes were shown to be influenced mainly by the weight of each individual. In general, Prussian Blue seems to reduce the half-life by 32%. At the time our study was conducted, patients who were under treatment with the drug were receiving 3 g d−1, 6 g d−1, or 10 g d−1 of the medication. Our results suggest that there is an optimum dosage for a certain weight range to achieve this reduction in half life, but one would need more data to statistically prove this assumption.

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