Abstract
Aim: Harvesting of a donor vessel and the choice of a recipient vessel are two essential steps during extracranial-to-intracranial (EC-IC) bypass surgery1-3. Manual pulse palpation, Doppler probes and angiographical “road-mapping” have been used to draw the trajectory of the extracranial donor vessels; and the identification of an appropriate intracranial vessel is based upon detailed analysis of the preoperative angiography and on intraoperative inspection of cortical vessels. Augmented reality is defined as the overlay of virtual images upon real-world structures, and this technology has been used in various surgical settings4,5. We investigate the usefulness of augmented reality-based microscope image-injection during these two phases of EC-IC bypass surgery.
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