Pathophysiology of communicating hydrocephalus

Conventional Theory VS HYDROCEPHALUS “Windkessel Effect” Continuous Medical Education, Department of Neurosurgery, Hospital Kuala Lumpur 17 January 2007

Conventional Theory – Bulk Flow Theory (Dandy) 1914 ,[object Object]

[object Object],Conventional Theory – Bulk Flow Theory (Dandy) 1914 ,[object Object],[object Object]

Conventional Theory – Bulk Flow Theory ,[object Object],[object Object]

Bulk Flow Theory?? ,[object Object],[object Object]

Bulk Flow Theory?? ,[object Object],[object Object],[object Object],[object Object]

Bulk Flow Theory?? ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Modern CSF physiology ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object]

Communicating Hydrocephalus Lack of CSF Accumulation in Subarachnoid Spaces ,[object Object],[object Object],[object Object],[object Object],Pulsation Model Conventional

Communicating Hydrocephalus Temporal Horn Dilation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pulsation Model Conventional

Communicating Hydrocephalus Pressure Gradient from the Subarachnoid Space to the Dural Venous Sinuses ,[object Object],[object Object],[object Object],[object Object],Pulsation Model Conventional

Communicating Hydrocephalus The Role of Choroid Plexus Pulsations ,[object Object],[object Object],[object Object],[object Object],Pulsation Model Conventional

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Resistive Index and Hyperdynamic Arterial Pulsations

Windkessel Effect ,[object Object],[object Object],[object Object],[object Object],[object Object]

Windkessel Effect ,[object Object],[object Object],[object Object],[object Object]

Windkessel Effect ,[object Object],[object Object]

Windkessel Effect in Communicating hydrocephalus ,[object Object],[object Object],[object Object]

Elevated Intracranial Pressure In the pulsation model ,[object Object],[object Object],[object Object],[object Object]

Malabsorption of CSF of communicating hydrocephalus In the pulsation model ,[object Object],[object Object]

Resistive Index of communicating hydrocephalus in the pulsation model ,[object Object],[object Object],[object Object]

Selective Compression of White Matter and Sparing of Gray Matter in the pulsation model ,[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object]

Pathophysiology of communicating hydrocephalus

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Pathophysiology of communicating hydrocephalus