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Schematic maps of the S-S reverse STA-M4 MCA bypass. The arrows indicate direction of blood flow. A: Coronal view. B: Sagittal view of the bypass hemisphere. Figures were generated with images from Servier Medical Art licensed under a Creative Commons Attribution 3.0 Unported License.
Source publication
BACKGROUND
The bonnet bypass was initially described for common carotid artery occlusion. Considered a second-generation bypass, it augments intracranial perfusion with contralateral external carotid artery flow through an interposition graft running over the scalp vertex. However, the traditional first-generation low-flow superficial temporal arte...
Context in source publication
Context 1
... present a direct cerebral bypass for common carotid occlusion, dubbed "S-S reverse STA-M4 MCA bypass" (Fig. 5). This bypass takes advantage of natural bonnet collaterals in the scalp vertex that may fill the STA in a reverse fashion from the contralateral STA in the case of common carotid occlusion. An S-S anastomosis allows the bypass to fill from both directions and offers potentially increased cerebral perfusion in the short and long terms. ...
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