Intracranial Pressure II

A Presentation of Pierre Janny.- Honorary Lecture.- After a Century: Henri Duret and Intracranial Pressure.- Session A: CSF Dynamics.- Chairman’s Introduction.- Co-chairman’s Summary.- Formation of Cerebrospinal Fluid.- Evidence for Bulk Flow of Cerebral Interstitial Fluid and its Possible Contribution to Cerebrospinal Fluid Production.- Porous Nature of the Absorptive Mechanism.- CSF Hydrodynamics Studied by Means of Constant Pressure Infusion Technique.- Arachnoid Villi and Granulations.- CSF Passage into the Superior Sagittal Sinus — Cinematographic Observations in Cats.- The definition of a reduced CSF absorption syndrome: Clinical and experimental studies.- CSF Dynamics: A Mathematical Approach.- A Computer Model of CSF Dynamics.- Session B: Volume/Pressure Relations in the Craniospinal Cavity.- Chairman’s Introduction.- Chairman’s Summary.- Mechanical Basis of the CSF Pressure-Volume Curve.- The Role of Spinal Subarachnoid Spaces in Compensation of Intracranial Hypertension.- A Compartmental Analysis of Compliance and Outflow Resistance and the Effects of Elevated Blood Pressure.- Volume Pressure Curves and Pial Vascular Pressure Gradients in the Rhesus Monkey.- Volume-Pressure Response in Various Experimental and Clinical Conditions.- Intracranial Pressure/Volume Relationship in Acute Experimental Water Intoxication.- Volume Pressure Relationship in Clinical and Experimental Conditions of Raised ICP.- Intracranial Pressure Course in Repeated Subarachnoid Hemorrhage.- Session C: Pathogenesis of Hydrocephalus.- Co-chairman’s Introduction.- Chairman’s Summary.- Intracranial Pressure and Pathogenesis of “Normotensive” Hydrocephalus.- CSF Pulse Wave Changes in Cases with Normal Pressure Hydrocephalus.- A Discussion on the Intracranial Pressure-Volume Relationship in Normal Pressure Hydrocephalus.- Continuous Intracranial Pressure Monitoring During Treatment of Neonatal Hydrocephalus by Cranial Compression.- The Importance of “CSF Pressure-Regional Cerebral Blood Flow Dysautoregulation” in the Pathogenesis of Normal Pressure Hydrocephalus.- Cerebral Blood Volume in Dementia.- The Cerebral Blood Flow in Low Pressure Hydrocephalus.- Session D: The Effects of Increased ICP and Ischemia on Brain Metabolism and Morphology.- Chairman’s Introduction.- Co-chairman’s Summary.- Neuropathological Alterations in Rat Brain after Complete Ischemia due to Raised Intracranial Pressure.- The Pathophysiologic, Morphologic, Metabolic, and Flow Consequences of Severe Experimental Intracranial Hypertension in the Rabbit.- Intracranial Pressure after Prolonged Cerebral Ischemia.- Effects of Intracranial Hypertension, Low-Pressure Hydrocephalus and Subsequent Ventriculo-Peritoneal Shunting on Monoamine Neurons in Rabbit Brain.- Monoamine Metabolism in Rat Brain after Increased Intracranial Pressure.- Correlation of ICP with CSF Lactate and Lactate/Pyruvate Ratios in Hydrocephalus.- Cerebral Hemodynamics and Metabolism in Pseudotumour Cerebri.- Session E: Distribution of Pressures Within the Cranial Cavity.- Chairmen’s Introduction and Comments.- Methodology for Measuring Intracranial Parenchymal Pressure (ICPP).- An Evaluation of Static and Dynamic Properties of Tissue Pressure Catheters.- Brain Tissue Pressure Gradients.- Gradients of Brain Interstitial Fluid Pressure in Experimental Brain Infusion and Compression.- Brain Tissue Pressure Gradients in Experimental Infarction Recorded by Multiple Wick-Type Transducers.- Intracranial Pressure Gradients in Experimental Cerebral Infarction.- Development of Pressure Gradients within Brain Tissue during the Formation of Vasogenic Brain Edema.- Intracranial Pressure Gradients — Do They Exist?.- The Use of Positive Contrast Ventriculography with Experimental Intracranial Hypertension.- Session F: Interrelations Between ICP and Blood Circulation Within the Intracranial Space.- Chairman’s Introduction.- Chairmen’s Comments.- Some Aspects of Cerebrovascular Resistance in Raised Intracranial Pressure: An Experimental Study.- Autoregulation of CBF in Conditions of Raised Intracranial Pressure in Primates.- Analysis of Factors Contributing to Cerebrovascular Autoregulation.- The Pressure Relationship Between the Intracranial Subarachnoid Space and the Superior Sagittal Sinus of the Dog during Changes in aPO2, aPCO2 and in Cerebral Perfusion Pressure.- Intracranial Pressure and Intracerebral Steal.- The Effect of Triethyl Tin Cerebral Edema on the Behavior, Blood Flow, Intracranial Pressure and Brain Water Content in the Rat.- Cerebral Hemodynamics in Patients with ICP Elevation due to Traumatic Brain Edema (abstract).- Session G: Respiratory and Cardiovascular Effects of Increased ICP.- Chairman’s Introduction and Comments.- Effect of Raised Intracranial Pressure on Pulmonary Function in Cats.- Blood Pressure Response to Raised CSF Pressure.- The Interrelations between Increased Intracranial Pressure, Cerebral Ischemia, Cerebral Hypoxia, and Cerebral Hypercapnia on the Cushing Response.- The Cushing Response — A Compensatory Mechanism or a Dangerous Phenomenon.- Breathing Pattern, Response to CO2 and Blood Gases in Cats with Experimental Increases in Intracranial Pressure.- The Effects of Increased Intracranial Pressure on Respiratory Functions.- The Role of Increased Intracranial Pressure in the Production of Neurogenic Pulmonary Edema.- Session H: Peroperative Variations of ICP and Effects of Anaesthetics and Other Agents.- Chairman’s Introduction.- Chairmen’s Summary.- Isoflurane and Cerebrospinal Fluid Pressure in Neurosurgery.- Is there any Indication for Halothane Anesthesia in Neurosurgical Procedures with Increased ICP today?.- Changes in Intracranial Pressure and Systemic Arterial Pressure during the Termination of Anaesthesia.- The Effects of Sodium Nitroprusside on Intracranial Pressure and Autoregulation.- Clinical Significance of ICP Measurements Following Intracranial Surgery.- Effects of Dexamethasone on Clinical Condition, Intraventricular Pressure, Regional Cerebral Blood Flow and Ventricular Fluid Composition in Six Patients with Malignant Gliomas.- The Effect of Mannitol, Steroids and Hypocapnia on the Intracranial Volume/Pressure Response. An Experimental and Clinical Study.- Barbiturates and Hypothermia for Persistently Increased Intracranial Pressure.- Session I: Methodology.- Chairmen’s Summaries and Comments.- ICP Microprobes Series Microfet.- Telemetric Measurement of Intracranial Pressure with an Electromagnetic Detector.- A Miniature SFT Transducer for Continuous Monitoring of Intracranial Pressure.- Simplification of Intracranial Pressure Monitoring.- Pressure Indicating Bag (PIB).- Intracranial Pressure Measurement by Epidural Technique — A Simple Solution.- The Hollow Screw Technique for Monitoring Intracranial Pressure.- Multi-Channel Data Acquisition and Analysis in Clinical Practice.- A New On-Line Portable ICP Data Processor.- Amplitude Analysis of Intracranial Pressure Recordings.- Determination of Critical ICP Levels in Neurosurgical Patients: A Statistical Approach.- Epidural Intracranial Pressure Monitoring.- Further Experiences with Extradural Pressure Monitoring.- The Validity of Extradural Measurement of the Intracranial Pressure.- Simultaneous Pressure-Depth Measurements of the Intracranial System Made Epidurally.- Session K: Pathophysiology of Rapid Variations of ICP.- Chairmen’s Comments.- Observations in Intracranial Pressure Plateau Waves.- Site and Mechanism of Vascular Stenosis under Increased Intracranial Pressure — Intracranial Venous Pressure Regulation Mechanism.- The Effect of Intermittent Waves of Raised Intracranial Pressure on Cerebral Blood Flow: An Experimental Study in Primates.- Changes in the Intracranial Dynamics Associated with Changes of the Intracranial Volume in Human.- Effects of Hypercapnia on Pupillary Size, ICP and Cerebral Venous PO2 During Experimental Brain Compression.- Effects of Norepinephrine and Phentolamine on Increased Intracranial Pressure.- Influence of Sympathetic Denervation on Intracranial Pressure.- The Interpretation of Simultaneous Recordings in Patients of Breathing Pattern and Intracranial Pressure.- Session L: Effects of Longterm Controlled Ventilation in Intracranial Hypertension.- Chairman’s Introduction and Comments.- The Effect of Hypocapnia on Normal and Increased Intracranial Pressure in Cats and Rabbits.- Intracranial Hypertension in Head Injury. Clinical Significance and Relation to Respiration.- Controlled Cerebral Perfusion Pressure and Ventilation in Human Mechanical Brain Injury: Prevention of Progressive Brain Swelling.- The Behaviour of Intraventricular Pressure under Discontinuous Longterm Ventilation in Cases of Severe Brain Lesion.- Session M: Importance of ICP Monitoring in Chnical Management of Patients With Intracranial Lesions.- Chairman’s Comments.- Clinical Experience of a Method of Continuous Intracranial Pressure Recording in 50 Neurosurgical Patients.- Intracranial Pressure Monitoring in Patients with Benign Intracranial Hypertension.- Pre, Intra and Post-Operative Cerebral Perfusion Pressure Monitoring of Patients with Brain Tumors: Prevention of Ischemic Insults.- Cerebral Blood Flow in Patients with Traumatic Cerebral Edema.- CSF Resistance to Flow as an Aid to Diagnosis of Normal Pressure Hydrocephalus.- The Prognostic Value of Continuous Intraventricular Pressure Recording in Unconscious Brain-Injury Patients under Controlled Ventilation.