Neurointervention.  2013 Sep;8(2):101-104. 10.5469/neuroint.2013.8.2.101.

Neuroform-EZ Stent Modification for Facilitated Delivery during Intracranial Aneurysm Embosurgery

• Lesley WS
• Patel DV

• KMID: 1784026
• DOI: http://doi.org/10.5469/neuroint.2013.8.2.101

Abstract

The Neuroform EZ Stent System is a fourth generation intracranial aneurysm stent that utilizes an integrated navigation guidewire. While designed to facilitate stent delivery, the guidewire can rarely impede proper positioning of the stent. In this technical case report, severing the guidewire from the stent delivery system with surgical scissors was required for successful stent implantation.

Keyword

Stent; Neuroform; Aneurysm

MeSH Terms

Aneurysm
Intracranial Aneurysm
Stents
Surgical Instruments

Figure

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  Fig. 1 Stage-2 intraoperative angiogram demonstrates the recurrent, coiled ACom aneurysm (A, arrow). The most distal position of Marksman catheter (B, arrow) is shown prior to its slight retreat during the initial attempt at introducing the unmodified NF-EZ. Note that this microcatheter has a similar diameter to the left A2.

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  Fig. 2 The appearance of the NF-EZ stent guidewire and distal bumper are shown before (A) and after modification using surgical scissors.

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  Fig. 3 A. lateral oblique; B. anterior oblique angiograms.With the NF-EZ guidewire removed, the distal stent bumper marker (white arrow) has been advanced nearly to the tip of the Marksman catheter (black arrow), which has now engaged the left A3 subfrontal branch (A). The distal stent bumper (white arrow) remains adequately beyond the aneurysm orifice during manual withdrawal of the catheter (B).

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  Fig. 4 Native angiogram of stent implant and final coil placement demonstrates complete covering of the aneurysm by the stent and a secured aneurysm.

Reference

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