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  • The Minipterional Craniotomy: Surgical Experience with 102 Ruptured and Unruptured Anterior Circulation Aneurysms

    Final Number:
    4052

    Authors:
    Nicollas Rabelo MD; Bruno Braga Sisnando da Costa, MD; Eberval Gadelha Figueiredo; Leonardo Welling MD; GABRIEL REIS SAKAYA; Manoel Jacobsen Teixeira

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2018 Annual Meeting - Late Breaking Science

    Introduction: Present the authors clinical experience with the minipterional craniotomy in more than one hundred ruptured and unruptured anterior circulation aneurysms.

    Methods: from August 2005 to July 2013 86 consecutive patients with 102 ruptured non-giant, anterior circulation aneurysms were treated with early surgery with the minipterional craniotomy.

    Results: Thirty-seven patients (43%) presented with subarachnoid hemorraghe (SAH), while 49 (57%) patients had unruptured aneurysms. Twenty-four patients (64.8%) were classified as Fisher 3 and 4, and 13 categorized as Fischer 1 and 2 (35.1%). Seven patients (18.9%) presented in Hunt Hess 1, 15 (40.5%) in Hunt Hess 2, 2 (32.4%) in Hunt Hess 3 and 3 (8.1%) patients in Hunt Hess 4. Twelve patients (32.4%) need external ventricular shunt due to acute hydrocephalus.Thirty patients (81%) with ruptured aneurysms were operated on until day five after SAH. Postoperative angiogram was carried out in all cases. Results were excellent in 67(77.9% - mRS 0 or 1)), good in 7(8,1% - mRS 2 or 3) of the cases and 12(13.9%) patients deceased.

    Conclusions: the minipterional technique provides adequate surgical exposure and excellent outcomes for both ruptured and unruptured anterior circulation aneurysms clipping. It constitutes a safe and effective alternative to the pterional approach, with potential better aesthectic and functional outcomes.

    Patient Care: Minimally approches in Neurosurgery

    Learning Objectives: Clinical experience with the minipterional in vascular surgery

    References:

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