The Plateau Wave is Not Solely an Intracranial Phenomenon
The final cause of the plateau waves of Lundberg appears to be an increase in cerebral blood volume (Avezaat and Eijndhoven 1986, Risberg et al. 1969). This increase may be due to a brain stem mediated arterial dilatation in response to a falling cerebral perfusion pressure (Furuse et al. 1982, Hayashi et al. 1987, Rosner and Becker 1984). Alternatively it may be caused by increased venous outflow resistance at the bridging vein-sagittal sinus junction (Laas and Arnold 1981, Nyary and Vajda 1986, Shapiro et al. 1966). Our recent findings support the latter view.
KeywordsVenous Pressure Cerebral Perfusion Pressure Cerebral Blood Volume Pulse Profile Arterial Dilatation
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