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자료유형
학술저널
저자정보
성호경 (방사선의학연구소) 고주환 (방사선의학연구소) 문광남 (방사선의학연구소) 이장규 (방사선의학연구소)
저널정보
대한핵의학회 대한핵의학회지 대한핵의학회지 제5권 제2호
발행연도
1971.1
수록면
65 - 71 (7page)

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A simplified method for the local blood flow determination by means of $^{86}Rb$ was developed in rats and rabbits. $^{86}Rb$ in the form of chloride mixed with physiological saline was intravenously injected. The doses were $10{\mu}Ci$ for rats and $100{\mu}Ci$ for rabbits, which were injected in less than 5 seconds. The rats were sacrificed after 30 seconds, and the rabbits at the intervals of 10, 20, 40 and 60 seconds, by decapitation or rapid intravenous injection of 3 to 5ml of saturated KCI. After bleeding, the organ and tissue samples, e.g. lungs, renal cortex, jejunum and skeletal muscle were quickly removed. The $^{86}Rb$ uptake in 1 gram of the organs and tissues were measured. On the basis of uptake value, administered dose and body weight, the local blood flow was calculated. Following were the results: 1. The uptake values of $^{86}Rb$ in the above organs and tissues of rats were different from other previous reports, in which the large rats were used. It appears, therefore, that the correction on the basis of body weight is necessary. 2. The uptakes of $^{86}Rb$ in the above organs and tissues of rabbits remained rather stationary within 20 to 40 seconds. 3. The local blood flow in the above organs and tissues were calculated from $^{86}Rb$ uptake in per cent dose per 1 gram tissue for 200 gram body weight. The formula could be applied not only to the rabbits but to the rats. 4. The present method could be applied to the comparison of the local blood flow between the various organs and tissues of the control and experimental animals.

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