EXPERIENCE IN CONNECTION WITH THE REMOVAL OF RADIOACTIVE SOLUTION FROM THE EYE (in Hungarian)
Journal Article
·
· Energia es Atomtech
OSTI ID:4186683
A laboratory accident is reported in which an aqueous solution of Na/sub 2/HPO/sub 4/, containing P/sup 32/, got into the patient's eye. The specific activity of the solution was 600 mu c/ml. rinsing with tap water for several minutes following the accident removed what was estimated as a major portion of the activity. An appreciable amount of activity still remained and could not be removed either with boron solutions or by mechanical means. Activity was measured with a GK-4 type portable G-M counter. The count dropped to 25% when the eyelid was shut an indication that not only the surface of the eyeball but its interior was also contaminated. The effective half life was approximately equal to 4 days. Consequently, at a radioactive half-life of 14.3 days, the biological half life was about 5.5 days. When the eye was irritated, the mucus from the nose contained a small but detectable amount of activity. This lead to the assumption that with tear-exciting medis the biological and effective half lives could have been shortened. Comparison tests with the same G-M counter showed that the activity of the P/sup 32/ in the eye was 0.02 mu c. The total dose was computed to equal approximately 1.1 rep. In view of the fact that the interior of the eyeball was also contaminated, the actual dose can be estimated one order of magnitude higher. Several months bave elapsed since the accident, but no permanent damage to the eye has been reported. laboratory tests with aaimals showed that, through ion exchange. washing the eye with inactive phosphate solutions instead of tap water speeds up the elimination of the radioactive substance. In the first days elimination was 50 to 60% faster tsan in the control groups. (JPRS)
- Research Organization:
- Medical Physics Inst.
- NSA Number:
- NSA-14-014970
- OSTI ID:
- 4186683
- Journal Information:
- Energia es Atomtech, Journal Name: Energia es Atomtech Vol. Vol: 12
- Country of Publication:
- Country unknown/Code not available
- Language:
- Hungarian
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