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. 2000 Aug;21(7):1312-4.

Use of three-dimensional Guglielmi detachable coils in the treatment of wide-necked cerebral aneurysms

H J Cloft  1 , G J Joseph, F C Tong, J H Goldstein, J E Dion
Affiliations

Use of three-dimensional Guglielmi detachable coils in the treatment of wide-necked cerebral aneurysms

H J Cloft et al. AJNR Am J Neuroradiol. 2000 Aug.

Abstract

A three-dimensional Guglielmi detachable coil (3D-GDC) has been developed that is designed specifically to bridge the neck of an aneurysm with coil loops, thereby facilitating retention of additional coils placed within the aneurysm. Nine wide-necked cerebral aneurysms were successfully embolized using the 3D-GDC, provided that the dome-to-neck ratio was 1.5 or greater.

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Figures

<sc>fig</sc> 1.
fig 1.
A and B, Diagrams of a 3D-GDC. Large and small loops alternate at 90° angles as it is deployed from the microcatheter (A), creating a somewhat spherical, 3D coil shape when fully deployed (B)
<sc>fig</sc> 2.
fig 2.
Angiograms in a 49-year-old woman with basilar tip aneurysm treated by embolization with a 3D-GDC. A, Anteroposterior projection shows wide-necked basilar tip aneurysm. B, Lateral projection shows basilar tip aneurysm. C, Anteroposterior projection after deployment of 3D 8-mm × 25-cm GDC shows no significant extension of coil loops into parent artery. D, Lateral projection after deployment of the 3D-GDC. E, Angiogram after placement of eight additional GDCs shows complete packing of aneurysm.
<sc>fig</sc> 3.
fig 3.
Angiograms in a 76-year-old woman with ruptured anterior communicating artery aneurysm that could not be embolized with a 3D-GDC. A, Submentovertex projection shows wide-necked anterior communicating artery aneurysm. B, Lateral projection shows anterior communicating artery aneurysm. C, Submentovertex projection angiogram after placement of a 3D 6-mm × 15-cm GDC shows extension of coil loops into parent artery. The coil was not detached.
See this image and copyright information in PMC

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