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The Journal of Nuclear Medicine Vol. 5 No. 8 613-625
© 1964 by Society of Nuclear Medicine
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The Elasticity of the Cranial Blood Pool1,2

Masami Kitano, M.D., William H. Oldendorf, M.D.3 and Benedict Cassen, Ph.D.4

Los Angeles

ABSTRACT

A technique is described to measure the increase of cranial pool volume following the application of jugular compression by monitoring the head after the intravenous administration of RISA.

The elasticity of the cranial blood pool by the graded application of a blood pressure cuff to the neck is described.

The plethysmographic method of measuring blood flow is applied by noting the rate of increase of the cranial blood volume following the sudden application of neck compression. The theoretical and practical considerations are dicussed.

This test can be applied in studying the hemodynamics of the cerebral venous drainage system by measuring the change in cranial blood pool following the application of the neck compression on each side separately.

The absolute accuracy of this method is impaired by the inevitable inclusion of the scalp and meningeal circulation and the unknown extent of incompressible venous drainage.

FOOTNOTES

1 Presented at the Tenth Annual Meeting of the Society of Nuclear Medicine, Montreal, Canada, June 29, 1963.

2 This work was in part supported by United States Public Health Service grant number NB-02575.

3 From the Neurology Section, Wadsworth General Hospital, Los Angeles Veterans Administration Center and the Division of Neurology, University of California at Los Angeles.

4 From the Department of Biophysics and Nuclear Medicine, University of California at Los Angeles.






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Copyright © 1964 by the Society of Nuclear Medicine.