Abstract
The surgical treatment of moyamoya disease is heavily reliant upon a real-time understanding of cerebral hemodynamics. The application of FLOW 800 allows the surgeon to semiquantify the degree of perfusion to the cerebral cortex following extracranial-to-intracranial (EC-IC) bypass surgery. The authors present three illustrative cases demonstrating common intraoperative findings prior to and following anastomosis using FLOW 800. All patients were diagnosed by catheter angiogram with moyamoya disease and noninvasive imaging demonstrating hemispheric hypoperfusion. Superficial temporal artery (STA)–to–middle cerebral artery (MCA or M4) bypasses were performed to augment intracranial perfusion. The patients tolerated the procedures well and were discharged without event in stable neurological condition.The video can be found here: https://stream.cadmore.media/r10.3171/2021.10.FOCVID21191
Highlights
The surgical treatment of moyamoya disease is heavily reliant upon a real-time understanding of cerebral hemodynamics
This is a video demonstrating the application of FLOW 800 in extracranial-to-intracranial bypass surgery for moyamoya disease.[1,2,3,4,5]
The FLOW 800 software designed by Zeiss utilizes indocyanine green–based videoangiography performed at a region of interest through a semiquantitative analysis based on time to half-maximum intensity and florescence intensity
Summary
The surgical treatment of moyamoya disease is heavily reliant upon a real-time understanding of cerebral hemodynamics. This is a video demonstrating the application of FLOW 800 in extracranial-to-intracranial bypass surgery for moyamoya disease.[1,2,3,4,5] We will only focus on the delay maps in this video. Preoperative digital subtraction angiography demonstrates an occlusion of the right internal carotid artery with reconstitution of the right M1 segment via moyamoya collaterals and delayed right hemisphere perfusion.
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