Orbitocranial approach for giant middle cerebral artery bifurcation aneurysms: Is it necessary?

Autor: Juan Luis Gómez-Amador, Marcos Vinicius Sangrador-Deitos, Aldo G. Eguiluz-Melendez, Gerardo Y. Guinto-Nishimura, Ricardo Marian-Magaña, Luis A. Rodríguez-Hernández, José Gerardo Arroyo-del Castillo, Jorge Ríos-Zermeño, Jorge Fernando Aragón-Arreola, Daniel Ballesteros-Herrera
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Interdisciplinary Neurosurgery, Vol 25, Iss , Pp 101272- (2021)
Druh dokumentu: article
ISSN: 2214-7519
DOI: 10.1016/j.inat.2021.101272
Popis: Background: Standard pterional approaches have largely been used as the first option for middle cerebral artery aneurysms. This approach presents several disadvantages when facing giant aneurysms: aneurysmatic neck cannot be adequately seen and perianeurysmatic architecture is not completely visualized, leading to inappropriate clipping techniques. Orbitocranial approaches have been described in anterior communicating aneurysms, but not in middle cerebral artery bifurcation ones. Methods: In this report, we present the case of a patient with subarachnoid hemorrhage secondary to a middle cerebral artery bifurcation aneurysm rupture which was clipped using an orbitocranial approach. We describe the surgical technique step-by-step, present a clinical report, and discuss the advantages and utility of this procedure. Results: This technique was performed successfully and uneventfully in our patient, and it proved to be a safe method of clipping these kind of aneurysms, providing adequate visualization for the surgeon and making it safer for the patient. Conclusions: We consider the orbitocranial approach as an adequate alternative to the conventional pterional approach when facing giant aneurysms of the middle cerebral artery bifurcations as it offers a much better visualization of the aneurysmatic neck, as well as that of the perianeurysmatic architecture.
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