Cessation of Diastolic Cerebral Blood Flow Velocity: The Role of Critical Closing Pressure

Background Reducing cerebral perfusion pressure (CPP) below the lower limit of autoregulation (LLA) causes cerebral blood flow (CBF) to become pressure passive. Further reductions in CPP can cause cessation of CBF during diastole. We hypothesized that zero diastolic flow velocity (FV) occurs when di...

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Veröffentlicht in:	Neurocritical care 2014-02, Vol.20 (1), p.40-48
Hauptverfasser:	Varsos, Georgios V., Richards, Hugh K., Kasprowicz, Magdalena, Reinhard, Matthias, Smielewski, Peter, Brady, Ken M., Pickard, John D., Czosnyka, Marek
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Basilar Artery - diagnostic imaging Blood Flow Velocity - physiology Blood pressure Blood Pressure - physiology Brain - blood supply Catheters Cerebrovascular Circulation - physiology Critical Care Medicine Flow velocity Homeostasis - physiology Hypertension Hypotension Intensive Internal Medicine Intracranial Pressure - physiology Male Medicine Medicine & Public Health Neurology Original Article Rabbits Retrospective Studies Surgery Ultrasonography Veins & arteries
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