Y-Stent Technique Using Dual Comaneci Embolization Assist Devices for Coil Embolization of a Ruptured Wide-Necked Anterior Communicating Artery Aneurysm: A Technical Case Report

Author:

Ravina Kristine1ORCID,Finch Ira J.2,Patel Biraj1,Yim Benjamin3

Affiliation:

1. Department of Neurosurgery, Carilion Clinic, Virginia Tech School of Medicine, Roanoke, Virginia, USA;

2. Bay Imaging Consultants Medical Group, Walnut Creek, California, USA;

3. Neurosurgery Division, East Bay Brain and Spine Medical Group, Walnut Creek, California, USA

Abstract

BACKGROUND AND IMPORTANCE: Despite technological advances, ruptured wide-necked aneurysms continue to pose a challenge for endovascular management. Comaneci (Rapid Medical) is a relatively new temporary aneurysm neck bridging device to assist in coiling of wide-necked aneurysms without the need for dual antiplatelet therapy or parent vessel flow interruption. Y configuration is often necessary to prevent coil migration in cases of wide-necked aneurysms. Thus far, there have been no reports of using Comaneci device in Y configuration to aid anterior circulation aneurysm treatment. CLINICAL PRESENTATION: A 60-year-old man presented with a Hunt-Hess grade 5, modified Fisher grade 4 subarachnoid hemorrhage from a ruptured wide-necked anterior communicating artery aneurysm with a dome-to-neck ratio of 1:2. Two Comaneci devices were used in a Y configuration to prevent coil prolapse into the contralateral A2 branch. After successful coiling of the aneurysm, both Comaneci devices were collapsed and removed without incident; the coil catheter was also removed without incident. Follow-up angiogram demonstrated successful occlusion of the wide-necked anterior communicating artery aneurysm without the use of a permanent stent or balloon assistance. CONCLUSION: This case represents a first-time report of successfully using 2 Comaneci devices in a Y configuration for the treatment of a ruptured wide-necked anterior circulation aneurysm. This knowledge can potentially further expand the use of double Comaneci devices in Y configuration for the treatment of both anterior and posterior circulation aneurysms.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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