Intracranial Pressure-Theory of the Driving Pressure and a New Pressure Index
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概要
- 論文の詳細を見る
In order to understand the pathogenesis of increased intracranial pressure,the concept of the driving pressure (DP) from the intracranial vascular system was proposed.The DP consists of combined pressure continuously transmitted from the arterial pressure (ADP) and venous pressure (VP) systems.The theoretical equation of the intracranial pressure (ICP) is expressed as follows:ICP=ADP+VP (1)ADP is expressed as (2).ADP =η(BP-VP) (2)η is defined as ΔICP/ΔBP.The authors chose the term driving pressure rate to designate this ratio.Thus,η may be taken for a kind of transfer function which can be expressed as the pressure transmission rate from the arterial system to the cerebrospinal fluid system.Measurement of the η index is simple and allows frequent checks of the often momentary changes in a patient's condition,thus providing an important index of intracranial pressure environment.Analysis of intracranial pressure by means of the driving pressureconcept facilitates understanding of both mean pressure and pulse pressure.The validity of analysis of intracranial pressure in terms of the driving pressure was shown from clinical data and animal experiments.
- 日本脳神経外科学会の論文
著者
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NAGAI Hajime
Department of Neurosurgery,Nagoya University,School of Medicine.
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FURUSE Masahiro
Department of Neurosurgery, Nagoya University school of Medicine
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KAGEYAMA Naoki
Department of Neurosurgery, Nagoya University school of Medicine
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Nagai Hajime
Department Of Neurosurgery Nagoya City University School Of Medicine
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Nagai Hajime
Department Of Neurosurgery Nagoya City University Medical School
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MAEDA Shigeru
Department of Applied Chemistry and Chemical Engineering, Facutly of Engineering, Kagoshima Universi
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Maeda Shigeru
Department Of Neurosurgery Nagoya University School Of Medicine Nagoya Japan
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Kageyama Naoki
Department Of Neurosurgery Kishiwada City Hospital
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Kageyama Naoki
Department Of Neurosurgery School Of Medicine Nagoya University
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Maeda Shigeru
Department Of Applied Chemistry And Chemical Engineering Faculty Of Engineering Kagoshima University
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Furuse Masahiro
Department Of Neurosurgery Nakatsugawa Municipal General Hospital
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IKEYAMA Atsushi
Department of Neurosurgery, Nagoya University School of Medicine
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Nagai Hajume
Surgery Nagoya University School Of Medicine
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Furuse Masahiro
Department Of Neurosurgery Nagoya University School Of Medicine
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Ikeyama Atsushi
Department Of Surgery Aichi University Education
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Ikeyama Atsushi
Surgery Nagoya University School Of Medicine
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KAGEYAMA Naoki
Department of Neurosurgery,Nagoya University School of Medicine
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