Acta Neurochirurgica

, Volume 25, Issue 3–4, pp 177–188 | Cite as

Changes of oxygen pressure, acid-base balance, metabolites and electrolytes in cerebrospinal fluid and blood after cerebral injury

  • E. Metzel
  • W. E. Zimmermann
Article

Summary

In severe cerebral trauma oxygen pressure, acid-base balance, acid metabolites and electrolytes in C.S.F. are a sensitive gauge of celebral circulation.

The difference between pO2 levels in blood and C.S.F. can inform about the extent of damage of the brain.

The pH of C.S.F. and the difference between arterial blood and C.S.F. pCO2 levels provide information about changes in cerebral blood circulation. They seem to be related to pH in cerebral edema.

A most significant sign of reuced and insufficient cerebral circulation is an increase of lactate and a decrease of bicarbonate in C.S.F. Increase of lactate to more than 45 mg% is not compatible with recovery of cerebral function.

Keywords

Oxygen Public Health Lactate Bicarbonate Cerebrospinal Fluid 

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Copyright information

© Springer-Verlag 1971

Authors and Affiliations

  • E. Metzel
    • 1
  • W. E. Zimmermann
    • 1
  1. 1.Neurosurgical Clinic, Surgical Clinic and Institute of AnesthesiologyUniversity of Freiburg i. Br.Germany

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