Continuous intraventricular cerebrospinal fluid pressure recording in normal rabbits during wakefulness and sleep

C. Shih, J. Wu, S. Tsai

研究成果: 雜誌貢獻文章

摘要

Twenty-five conscious rabbits that had a ventriculostomy performed with implantation of an intraventricular cannula into the lateral ventricle were put into a controlled climate chamber. Continuous recording of intraventricular cerebrospinal fluid pressure (VFP) was performed during wakefulness and sleep. Spontaneous episodic increases in VPF during desynchronized sleep were found. The mean VFP rose about 10 ± 0.6 mmHg above the VFP levels of the other state of sleep. The episodes occurred 12 ± 3 times during the night (10:00 PM - 8:00 AM) and lasted for 4.4 ± 1.0 minutes. The duration and amplitude of these waves are different from either Lundberg's A waves or Lundberg's B waves. This wave pattern of increased VFP is a feature of normal intracranial pressure.

原文英語
頁(從 - 到)55-59
頁數5
期刊Southeast Asian Journal of Surgery
5
發行號1
出版狀態已發佈 - 1982
對外發佈Yes

指紋

Cerebrospinal Fluid Pressure
Wakefulness
Sleep
Rabbits
Ventriculostomy
Lateral Ventricles
Intracranial Pressure
Climate

ASJC Scopus subject areas

  • Medicine(all)

引用此文

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AB - Twenty-five conscious rabbits that had a ventriculostomy performed with implantation of an intraventricular cannula into the lateral ventricle were put into a controlled climate chamber. Continuous recording of intraventricular cerebrospinal fluid pressure (VFP) was performed during wakefulness and sleep. Spontaneous episodic increases in VPF during desynchronized sleep were found. The mean VFP rose about 10 ± 0.6 mmHg above the VFP levels of the other state of sleep. The episodes occurred 12 ± 3 times during the night (10:00 PM - 8:00 AM) and lasted for 4.4 ± 1.0 minutes. The duration and amplitude of these waves are different from either Lundberg's A waves or Lundberg's B waves. This wave pattern of increased VFP is a feature of normal intracranial pressure.

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