The Effect of Whole Body X-irradiation on Blood Pressure in the Rat PDF Download
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Author: R. D. Phillips Publisher: ISBN: Category : Blood pressure Languages : en Pages : 38
Book Description
Blood pressure was measured at a peripheral and central site in the rat. Pressure at the peripheral site was determined by a tail occlusion cuff method, while central pressure was measured by aortic intubation. There was a marked decrease in blood pressure measured at the peripheral sit 8 hours after the animals were exposed to 485 rads of x-rays, with a return to control values by 3 days after exposure. Aortic blood pressure, however, was not altered at this dose level. There was a mild decrease in aortic pressure 24 and 48 hours after 970 rads and a marked hypotension 8 and 24 hours following 1940 rads. The aortic blood pressure response to various stimuli was also altered after 970 rads, but not after 485 rads of x-rays. These data demonstrate that blood pressure at a peripheral site can be decreased at a dose level which does not affect central pressure. It is suggested that this differential effect in blood pressure is a result of a radiation response in peripheral circulation. (Author).
Author: R. D. Phillips Publisher: ISBN: Category : Blood pressure Languages : en Pages : 38
Book Description
Blood pressure was measured at a peripheral and central site in the rat. Pressure at the peripheral site was determined by a tail occlusion cuff method, while central pressure was measured by aortic intubation. There was a marked decrease in blood pressure measured at the peripheral sit 8 hours after the animals were exposed to 485 rads of x-rays, with a return to control values by 3 days after exposure. Aortic blood pressure, however, was not altered at this dose level. There was a mild decrease in aortic pressure 24 and 48 hours after 970 rads and a marked hypotension 8 and 24 hours following 1940 rads. The aortic blood pressure response to various stimuli was also altered after 970 rads, but not after 485 rads of x-rays. These data demonstrate that blood pressure at a peripheral site can be decreased at a dose level which does not affect central pressure. It is suggested that this differential effect in blood pressure is a result of a radiation response in peripheral circulation. (Author).
Author: R. D. Phillips
Author: R. D. Phillips
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Author: U.S. Atomic Energy Commission. Division of Technical Information
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