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Effect of Irradiation on Ferrokinetics of Cross-Circulated Dogs

Brooks AFB, Texas

ABSTRACT

Six pairs of adult beagle dogs were cross-circulated by surgical arteriovenous anastomoses. Four of the pairs were treated as follows: following the establishment of the cross-circulation, one of the partners of each pair was irradiated with 430 rads of 2 mev x-rays while the other partner was shielded. The other two pair of dogs were cross-circulated but not irradiated. Twenty-four hours following irradiation (or cross-circulation in the case of the nonirradiated animals) radioiron ferrokinetics were performed. The expected depression of erythropoiesis occurred in the irradiated animals but not in the nonirradiated ones. Therefore, no evidence of an abscopal mechanism being responsible for radiation depression of erythropoiesis was demonstrated.

FOOTNOTES

¹ Glenn V. Dalrymple, Capt., USAF, MC and Harold L. Kundel, Capt., USAF, MC, are assigned to the Bionucleonics Department, and Donald C. Sawyer, Capt. USAF, VC is assigned to the Veterinary Services Branch, Operations Division, USAF School of Aerospace Medicine, Aerospace Medical Division (AFSC), Brooks AFB, Texas.