CHOROIDAL AND CEREBRAL BLOOD-FLOW IN BABOONS MEASURED BY EXTERNAL MONITORING OF RADIOACTIVE INERT-GASES

  • 1 January 1977
    • journal article
    • research article
    • Vol. 16  (6) , 571-576
Abstract
Quantitative measurements of blood flow using 133Xe to measure cerebral blood flow and 85Kr to measure choroidal blood flow were made in 12 anesthetized baboons (Papio anubis). Analysis of the clearance curves of Kr from the eye and studies of the diffusion of Kr in the eye show that the inert gas-clearance method measures choroidal blood flow only. The mean choroidal blood flow at normocapnia in this group of baboons is 463 .+-. 44 ml/100 g per min, and the mean cerebral blood flow is 46 .+-. 5 ml/100 g per min (mean .+-. 1 SD).

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