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Printable Handouts
Navigable Slide Index
- Introduction
- Pathophysiology of cerebral ischemia
- Extent and time course of damage in ischemia
- Penumbra concept of cerebral ischemia
- CBF thresholds
- Imaging of blood flow and metabolism
- Multiparametric imaging of focal ischemia
- Flow dependence of biochemical changes
- Viability thresholds of cerebral ischemia
- Biochemical imaging of ischemic penumbra
- Infarct growth into the penumbra
- Dynamics of infarct growth
- Summary (1)
- Take-home message
- Evolution of ischemic injury
- Propagation of ischemic damage
- Excitotoxic cascade
- Glutamate toxicity
- Glutamate receptors blockage decreases infarction
- Validity of stroke models?
- Other mechanisms as targets for treatment
- Apoptosis cascade as a therapeutic target
- Cell death in ischmia
- TUNEL does not colocalize with penumbra
- Mechanisms involved in ischemic cell demage
- Evolution of ischemic injury (1)
- Peri-infarct depolarizations
- Spreading depression induced injury progression
- Correlation between DC and infract volume
- Evolution of ischemic injury (2)
- Early cytotoxic brain edema
- Late vasogenic brain edema
- Summary (2)
- General conclusion
- Thresholds for preservation of function & structure
- Compartments of infarct development
- Before treating acute ischemic stroke
- Role of functional imaging in stroke
- Is there salvageable tissue?
- Development of infarction in experimental models
- Injury from transient ischemia
- Recovery from transient ischemia
- Oxygen extraction fraction, left lateral view
- Focal pathophysiological changes
- Focal pathological findings
- PET: acute ischemic stroke
- Development of infarction
- Reversible ischemia
- Imaging the penumbra with PET
- Flumazenil imaging
- Flumazenil binding and final infarct
- FMZ imaging is similar to O2 metabolic imaging
- FMZ imaging with thrombolysis
- Prediction curves for relative CBF and FMZ binding
- Prediction limits
- Image processing (1)
- Image processing (2)
- Image processing (3)
- Subcompartments of final infarction
- How much tissue can be salvaged?
- Treatment strategies for ischemic stroke
- Conclusion
- Acknowledgements
- Special thanks
- Best wishes from Cologne
Topics Covered
- Cerebral ischemia
- Stroke
- Pathophysiology of ischemic brain damage
- Penumbra
- Reversible vs. irreversible brain damage
- Imaging of development of ischemic damage
- Imaging of development of ischemic damage in experimental models and patients with stroke
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Talk Citation
Heiss, W. (2008, October 27). Pathophysiology of cerebral ischemia [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved November 21, 2024, from https://doi.org/10.69645/XEZE8840.Export Citation (RIS)
Publication History
Financial Disclosures
- Prof. Wolf-Dieter Heiss has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.