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Full Description
Cerebral preconditioning is a phenomenon wherein a mild insult or stress induces cellular and tissue adaptation or tolerance to a later, severe injury, therefore reflecting the efficacy of endogenous mechanisms of cerebrovascular protection. Initially identified for rapid cardiac protection, preconditioning has expanded to all aspects of CNS protection from ischemia, trauma and potentially neurodegeneration. Many different stimuli or stressors have been identified as preconditioning agents, suggesting a downstream convergence of mechanisms and underscoring the potential for translational application of preconditioning in the clinic. Moreover, the fundamental mechanisms responsible for preconditioning-induced tolerance will help in the design novel pharmacological approaches for neuroprotection. While stroke and many other brain injuries are not predictable, in some populations (e.g., metabolic syndrome, patients undergoing carotid endarterectomy, aneurysm clipping, or with recent TIAs) the risk for stroke is identifiable and significant, and preconditioning may represent a useful strategy for neuroprotection. For unpredictable injuries, post-conditioning the brain - or inducing endogenous protective mechanisms after the initial injury - can also abrogate the extent of injury. Finally, remote pre- and post-conditioning methods have been developed in animals, and are now being tested in clinical trials, wherein a brief, noninjurious stress to a noncerebral tissue (i.e., skeletal muscle) can provide protection to the CNS and thereby allows clinicians the opportunity to circumvent concerns regarding the direct preconditioning of neurological tissues.
Contents
Preface.- Section I. Comparative Physiology and Historical Background.- 1. Tolerance, Historical Review.- 2. Anoxia resistance in lower and higher vertebrates.- 3. Hibernation: A Natural Model of Tolerance to Cerebral Ischemia/Reperfusion.- 4. Preconditioning in the Heart.- Section II. Conditioning Methods.- 5. Neuroprotection and Physical Preconditioning: Exercise, Hypothermia, and Hyperthermia.- 6. A New Future in Brain Preconditioning Based on Nutraceuticals: Focus on α-Linolenic Omega-3 Fatty Acids for Stroke Protection.- 7. Medical Gases for Conditioning: Volatile Anesthetics, Hyperbaric Oxygen, and Hydrogen Sulfide.- 8. Hypoxic Preconditioning in the CNS.- 9. Pharmacologic Preconditioning.- 10. Surgical Methods to Induce Brain Preconditioning.- Section III. Conditioning Models for Cerebral Ischemia.- 11. Tolerance Against Global Cerebral Ischemia: Experimental Strategies, Mechanisms, and Clinical Applications.- 12. Preconditioning and Neuroprotection in the Immature Brain.- 13. Conditioning Studies in Focal Cerebral Ischemia: Model Selection, Physiological Monitoring, and Other Methodological Issues.- 14. Preconditioning for Subarachnoid Hemorrhage.- 15. Preconditioning for Intracerebral Hemorrhage.- 16. The Protective Effects of Ischemic Postconditioning in Experimental Stroke.- Section IV. Mechanisms of Preconditioning.- 17. Synaptic Signaling in Ischemic Tolerance.- 18.- The Genomics of Preconditioning and Ischemic Tolerance.- 19. How do Subcellular Organelles Participate in Preconditioning-Conferred Neuroprotection?.- 20. Ischemic Preconditioning-Mediated Signaling Pathways Lead to Tolerance Against Cerebral Ischemia.- 21. Preconditioning the Neurovascular Unit: Tolerance in the Brain's Non-Neuronal Cells.- Section V. Other Neurological Disorders.- 22. Preconditioning for Surgical Brain Injury.- 23. Intrinsic Neuroprotection in Traumatic Brain Injury.- 24. Preconditioning for Epilepsy.- 25. Ischemic Pre- andPost-Conditioning in the Retina.- Section VI. Clinical Applications.- 26. Clinical Cerebral Ischemic Preconditioning.- 27. Preconditioning Strategy: Coronary Bypass, Subarachnoid Hemorrhage, Temporary Proximal Vessel Occlusion in Carotid Revascularization, and Intracranial Aneurysm Surgery.- 28. HBO preconditioning for TBI and Stroke Patients.- 29. Electroacupuncture Preconditioning for Stroke Patients.- 30. Clinical Trials of Ischemic Conditioning.- Epilogue.- Index.
