The author carried out studies on, radiated whole blood transfusion upon leukoj5enia in rabbits following total body irradiation with 300 r X-ray.
The following conclusions were obtained
1. In first control group; which were only; exposed to X-irradiation; diminished leukocyte count appeared at the second day after radiation-at first, about thirty nine percents and thirty five percents of base line level occurred at the 5th and 8th days after´ radiation, respectively, thereafter recovery of leukocyte was begun, -but not recovered to the base line level up to two months´ after- radiation.
2. In second control group which were transfused upon deukopenia following X-irradiation with 30m1 of normal rabbit whole blood, there was. o significant, difference : from first control group-except´ marked increased leukocyte count at, the next day of transfusion.
3. Transfusions of 30 ml. of radiated rabbit whole blood with 300 r X-ray upon, leukopenia in rabbits following, irradiation with 300 r X-ray were almost same results as second control group:: at, the first three days after transfusion, but marked increased leukocyte: count was occurred at the fourth days after transfusion, and, preirradiated count was achieved at the tenth days after transfusion.
Irradiated whole blood transfusion were shown to be capable to recover the leukopenia by radiation effectively.
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