Blood Flow in the Aortic Wall

Authors:
  • HRHamlin R
    Hamlin R
  • MWMarsland W
    Marsland W
  • SCSmith C
    Smith C
  • SLSapirstein L
    Sapirstein L
  • SSSteiner S
    Steiner S
  • MGMueller G
    Mueller G
  • SESapirstein E
    Sapirstein E
  • BABredemeyer A
    Bredemeyer A
  • VDVidt D
    Vidt D
Publisher website
Google Scholar
Abstract
The indicator-fractionation technic for measurement of regional blood flow has been applied to the measurement of blood flow in the aortic wall, using Rb86. The aortic-indicator content declines slowly with time during the first minute, which shows that the aorta has a smaller extraction ratio for Rb86 than the rest of the body. The application of the indicator-fractionation technic when organ content of indicator changes with time is discussed. It is shown that the perfusion rate of rat aorta is at least 1.70 ml./Gm./min. This value is much larger than would be expected from in vitro studies of aortic oxygen utilization.

This publication has 9 references indexed in Scilit: