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Simulator Training for Endovascular Neurosurgery

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Intravascular neurosurgery for cerebral aneurysm using interlocking detachable coils.

A Hyodo¹, Y Matsumaru, I Anno

¹Department of Neurosurgery, University of Tsukuba; Tsukuba, Ibakary, Japan.

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

|August 4, 2010

Summary

The interlocking detachable coil (IDC) is a viable endovascular treatment for cerebral aneurysms, offering a useful alternative for complex cases. This study shows IDC embolization is possible and effective, even for ruptured aneurysms.

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Area of Science:

Neurosurgery
Endovascular Therapy
Cerebrovascular Diseases

Background:

The Guglielmi detachable coil (GDC) was not available in Japan until February 1997.
The interlocking detachable coil (IDC) was the sole detachable and retractable coil option during the study period.

Purpose of the Study:

To evaluate the efficacy and safety of endovascular treatment for cerebral aneurysms using the interlocking detachable coil (IDC).

Main Methods:

Retrospective analysis of 25 cerebral aneurysm cases treated with IDCs between October 1993 and February 1997.
Treatments included intraaneurysmal coil embolization and parent artery or proximal occlusion.

Main Results:

15 cases underwent intraaneurysmal coil embolization, achieving complete occlusion in 9, subtotal in 4, and partial in 2.
9 cases were treated with parent artery or proximal occlusion.
One case of coil compaction and three instances of distal emboli (one symptomatic) were observed. Intraoperative bleeding occurred in one case.

Conclusions:

Endovascular treatment using IDCs is a feasible and valuable alternative for cerebral aneurysms, particularly those that are surgically challenging.
Treatment of poor-grade ruptured aneurysms remains difficult but is possible with IDC therapy.