• World Neurosurg · Nov 2023

    Case Reports

    4K-3D Exoscope-assisted clipping of a right MCA unruptured aneurysm with indocyanine green video angiography: operative video.

    • Luca Ferlendis, Pierlorenzo Veiceschi, Sergio Capelli, Gianluca Agresta, Antonio Leocata, Fabio Pozzi, and Davide Locatelli.
    • Division of Neurosurgery, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy. Electronic address: luca.ferlendis@gmail.com.
    • World Neurosurg. 2023 Nov 1; 179: 102103102-103.

    AbstractUltrahigh-definition 3-dimensional exoscopes represent an excellent technologic innovation in contemporary neurosurgery. They combine the advantages of operating microscopes and endoscopes, offering excellent magnification and lighting, maintaining a relatively small footprint and optimal ergonomic features.1-5 One of the most interesting employments of exoscopes in neurosurgery is represented by intracranial vascular surgery. Reports in this field are still limited, but recent experience has shown that ultrahigh definition 3-dimensional exoscopes for aneurysm surgery are noninferior to operating microscopes for surgery duration, complication rate, and patient outcomes.6 In addition, many intraoperative techniques such as the indocyanine green videoangiography (ICG-VA) have been successfully implemented to exoscope-based surgery.7 We present herein the case of a 66-year-old woman that came to our attention for the incidental finding of 3 unruptured brain aneurysms. After neurosurgical consultation, the one located at the right middle cerebral artery bifurcation was considered eligible for surgery.8,9 As shown in Video 1, ICG-VA was employed after permanent clipping to allow immediate quality assurance of occlusion and distal vessel integrity. Postoperative course was uneventful, and follow-up examinations demonstrated the complete occlusion of the aneurysm. This report highlights the feasibility of exoscopic-based ICG-VA in vascular neurosurgery, given its ease of use, ergonomics, and excellent quality of vision provided to both surgeons and operating staff.Copyright © 2023 Elsevier Inc. All rights reserved.

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