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Cerebral Edema and Blood Volume in Man Measured by CT Scan

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Dynamics of Brain Edema

Summary

Regions of edema have lower than normal densities on computerized tomography (CT) scans. This is not due to a change in electrolytes but rather to the dilution effect of increased water content. Regional blood volume measurements can be made by subtraction of a regular CT scan from an infusion scan. Using this method, a decrease in blood volume proportional to the amount of edema has been found. Increased pressure collapsing blood vessels and the simple dilution due to the influx of water account for this relationship.

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References

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Author information

Authors and Affiliations

  1. Department of Neurosurgery, Rush-Presbyterian-St. Luke’s Medical Center, Chicago, Ill., USA

    R. D. Penn

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  1. R. D. Penn
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Editor information

Editors and Affiliations

  1. Dept. of Neurology and Neurosurgery, McGill University, 3801 University Street, H3A 2B4, Montreal, Que., Canada

    Hanna M. Pappius Ph. D. (Associate Professor, Associate Neurochemist) & William Feindel M. D., D. Phil., F.R.S.C. (Professor, Director) (Associate Professor, Associate Neurochemist) &  (Professor, Director)

  2. Montreal Neurological Institute, 3801 University Street, H3A 2B4, Montreal, Que., Canada

    Hanna M. Pappius Ph. D. (Associate Professor, Associate Neurochemist) & William Feindel M. D., D. Phil., F.R.S.C. (Professor, Director) (Associate Professor, Associate Neurochemist) &  (Professor, Director)

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© 1976 Springer-Verlag Berlin · Heidelberg

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Penn, R.D. (1976). Cerebral Edema and Blood Volume in Man Measured by CT Scan. In: Pappius, H.M., Feindel, W. (eds) Dynamics of Brain Edema. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-66524-0_44

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  • DOI: https://doi.org/10.1007/978-3-642-66524-0_44

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-08009-1

  • Online ISBN: 978-3-642-66524-0

  • eBook Packages: Springer Book Archive

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