| CASE REPORT |
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| Year : 2007 | Volume
: 55
| Issue : 2 | Page : 148--150 |
Spontaneous extrusion of guglielmi detachable coils from anterior communicating artery aneurysm
Kishor A Choudhari1, Peter A Flynn2, Steven C McKinstry2
1 Department of Neurosurgery, Regional Neurosciences Unit, Royal Victoria Hospital, Belfast BT12 6BA, United Kingdom
2 Department of Neuroradiology, Regional Neurosciences Unit, Royal Victoria Hospital, Belfast BT12 6BA, United Kingdom
Correspondence Address:
Kishor A Choudhari
Department of Neurosurgery, Regional Neurosciences Unit, Royal Victoria Hospital, Belfast BT12 6BA
United Kingdom
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0028-3886.32787
Recurrence of coiled aneurysm usually due to coil compaction is a known phenomenon. Extent of recurrence and its relation to re-bleeding is not known. The authors report a case of spontaneous asymptomatic extrusion of guglielmi detachable coils from the dome of a previously ruptured anterior communicating artery aneurysm two years after the initial endovascular obliteration. The initial aneurysm had a suitable neck-aspect ratio for endovascular obliteration with uncomplicated coiling procedure. Extreme degree of coil compaction with subsequent expulsion of the coils from the dome due to water-hammer effect of blood flow is thought to be the main pathogenic mechanism of this rare but worrying complication. Surgical management includes clipping at the neck ensuring complete obliteration of the aneurysm. Postoperative angiogram to confirm its satisfactory obliteration is advised.
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