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1 results

  • Chapter 21 - Combined Transsylvian-Subtemporal Approach to Anterior Circulation and Basilar Apex Aneurysms

  • from Section II - Open Combined Approaches
  • Edited by Vijay Agarwal
  • Book:
    Integrated Management of Complex Intracranial Lesions
    Published online:
    05 October 2021
    Print publication:
    21 October 2021, pp 214-222

  • Summary

    Traditionally, two approaches have been utilized to access the rostral basilar artery (BA) for clipping aneurysms. These are: 1) the subtemporal approach pioneered by Canadian neurosurgeon Charles George Drake and 2) the transsylvian or pterional approach popularized by Turkish neurosurgeon Mahmut Gazi Yasargil. Both of these approaches have assets and liabilities, and both have modifications to expand the surgical field of view. Some rostral BA aneurysms and some patients with aneurysms of both the anterior and posterior circulation requiring clip ligation may benefit from a combined transsylvian and subtemporal (half-and-half) exposure. In this chapter, we describe our version of that approach, which provides access to both anterior and posterior circulation aneurysms. We detail neuroanesthesia considerations, patient positioning, bone drilling, subarachnoid dissection, and clip placement. Also included is an illustrative case.