• World Neurosurg · May 2022

    Case Reports

    Microsurgical Clipping of a Post-Coiling, Residual or Recurrent, Ruptured Anterior Communicating Artery Aneurysm.

    • Rudy J Rahme, Devi P Patra, Evelyn L Turcotte, and Bernard R Bendok.
    • Department of Neurological Surgery, Mayo Clinic, Phoenix, Arizona, USA; Precision Neuro-therapeutics Innovation Lab, Mayo Clinic, Phoenix, Arizona, USA; Neurosurgery Simulation and Innovation Lab, Mayo Clinic, Phoenix, Arizona, USA.
    • World Neurosurg. 2022 May 1; 161: 153.

    AbstractEndovascular treatment modalities for intracranial aneurysms have seen a significant increase in popularity since the initial advent of the Guglielmi detachable coils in the early nineties.1 The publication of the International Subarachnoid Aneurysm Trial (ISAT) in addition to significant improvement in catheter and coil technology further cemented the endovascular-first approach, specifically for ruptured aneurysms.2 However, the increase in aneurysm coiling also led to a heightened awareness of its shortcomings, namely a significantly greater rate of recurrence and need for retreatment.3 The Cerebral Aneurysm Rerupture After Treatment (CARAT) study revealed that even though the rate of rerupture is low with both microsurgical and endovascular treatment modalities, the rate of rerupture is greater with incomplete versus complete aneurysm occlusion.4 Previously coiled aneurysms can be challenging to treat. While in some cases further endovascular therapies can be performed, microsurgical clipping remains a compelling alternative, specifically for small recurrent or residual ruptured aneurysms. However, microsurgical clipping of previously coiled aneurysms presents its own set of unique challenges. The presence of coils in the aneurysms increases the complexity of clip reconstruction. In addition, coil extrusion, which is often misdiagnosed as coil compaction on diagnostic imaging and therefore underreported, can further increase the risk of microsurgical dissection. In this operative video, we present a case of a postcoiling, residual or recurrent, ruptured anterior communicating artery aneurysm successfully treated through microsurgical clipping. The patient consented to the procedure as shown in this operative video (Video 1) and gave informed written consent for use of her images in publication.Copyright © 2021. Published by Elsevier Inc.

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