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  Vol. 29 No. 4, October 1973 TABLE OF CONTENTS
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Anticonvulsive Action of Increased Calcium Concentration in Cerebrospinal Fluid

Emil C. Zuckermann, MD; Gilbert H. Glaser, MD

Arch Neurol. 1973;29(4):245-252.


Abstract

Perfusion of the inferior horn of the lateral ventricle with an artificial cerebrospinal fluid (CSF) containing 3.3 to 6.6 millimolar/liter of calcium (Ca++) has a strong anticonvulsive action in chronic, awake cats. This action was almost equally evident when the dorsal hippocampus was stimulated by any of these agents: repetitive electrical stimulation; increased potassium (K+) in the perfused CSF; infusion of penicillin, pentylenetetrazol, L-glutamate, or a combination of acetylcholine and edrophonium. The assumption is made that increased Ca++ has this wide anticonvulsant property probably by blocking the action of K+.



Author Affiliations

New Haven, Conn

From the Department of Neurology, Yale University School of Medicine, New Haven, Conn.


Footnotes

Accepted for publication June 13, 1973.

Reprint requests to Department of Neurology, Yale University School of Medicine, New Haven, CT 06510 (Dr. Zuckermann).



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