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Simulator Training for Endovascular Neurosurgery

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How to embolize wide-necked aneurysms? Two embolization techniques for wide-necked aneurysms.

K Kazekawa¹, K Oka, H Aikawa

¹Department of Neurosurgery, Fukuoka University School of Medicine; Fukuoka, Japan.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences

|July 31, 2010

Summary

Novel endovascular techniques, including the double Guglielmi detachable coil (GDC) technique and stent-coil combinations, offer safer treatments for wide-necked and fusiform aneurysms. These methods show promise in achieving complete embolization and preventing rebleeding with good patient outcomes.

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Area of Science:

Neurosurgery
Interventional Radiology
Vascular Surgery

Background:

Limitations exist with current Guglielmi detachable coil (GDC) systems for wide-necked aneurysms.
Novel endovascular approaches are crucial for safer and more definitive aneurysm treatment.

Purpose of the Study:

To review the usefulness of the double GDC technique (DGT) for wide-necked aneurysms.
To review the usefulness of stent placement and coil deposition (CTSC) for fusiform aneurysms.

Main Methods:

The DGT involves scaffolding a GDC coil as a stabilizing frame, reinforcing it with a second coil, and releasing both.
CTSC involves artery reconstruction with a stent and GDC packing through stent interstices.

Main Results:

A patient with a wide-necked internal carotid artery aneurysm treated with DGT showed complete embolization at three months with no adverse events.
A patient with a dissecting fusiform vertebral artery aneurysm treated with CTSC had an uneventful six-month follow-up, with confirmed aneurysm exclusion and good flow.

Conclusions:

The double GDC technique is effective for wide-necked aneurysms.
The combination of stent placement and coil deposition is a viable option for fusiform aneurysms, preventing rebleeding.