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CLINICAL SIGNIFICANCE OF INTRACRANIAL PRESSURE MEASUREMENT VIA THE BREGMATIC FONTANEL Takashi Hayashi 1 , Toru Shirozu 1 , Takao Shyojima 1 , Mitsuo Watanabe 1 , Shinken Kuramoto 1 , Shigeyuki Takagi 2 1Department of Neurosurgery, Kurume University School of Medicine pp.1223-1231
Published Date 1975/11/1
DOI https://doi.org/10.11477/mf.1406203807
  • Abstract
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Not a few attempts have ever been made tomeasure intracranial pressure from outside of theskull.

Purin (1964) used a tambour tentatively as adetector to measure intracranial pressure via thebregmatic fontanel in sucklings and infants. Ac-cording to him, the ammplitude of the pulsatingwave of the bregmatic fontanel reached a maximumwhen the internal pressure of the detector wasbalanced with the intracranial pressure. Therefore,this pressure could be determined by reading theinternal pressure indicated by the detector at that time.

To study the principle of measurement of Purin,the present authors carried out basic experimentswith the model of the cranium. As a result, theycould demonstrate that it was possible to measureintracranial pressure on the basis of this principle.For clinical practice, they improved Purin's apparatusof measurement. With their own apparatus theymeasured intracranial pressure. This pressure wasin a range of 72 to 147 mmH2O (p<0.05) whenmeasured 69 times in 49 normal infants. The valuesof pressure measured 22 in 12 infants affected withdisorders of the central nervous system agreedalmost completely with the cerebrospinal pressuredetermined by ventricular puncture. The methodtested is innoxious to infants. As a simple methodof measurement of intracranial pressure which isreadily applicable to clinical practice, it is presumedto be quite useful for follow-up studies.


Copyright © 1975, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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