Overview
Publication
Interv Neuroradiol. 1997 Nov 30; 3 Suppl 2(NA):125-8.
PubMed ID: 20678402
Title
Intracranial aneurysm embolization using interlocking detachable coils. Correlation between volume embolization rate and coil compaction
Authors
Satoh K, Matsubara S, Hondoh H, Nagahiro S
Abstract
The relationship between volume embolization ratio . and coil compaction on the intracranial aneurysm occluded using interlocking detachable coils (IDCs) was determined. From February 1994 to October 1996, 7 intracranial aneurysms were embolized using IDCs. Aneurysm capacity (volume) was calculated assuming that aneurysms are ellipsoid of the diameter in 3 planes. Coil volume was calculated assuming that IDCs are cylinders of primary coil. Coil compaction was observed in aneurysms embolized at a volume embolization ratio under 25%. There was no coil compaction in aneurysms embolized at a volume embolization ratio of over 25%. Measurement of the volume embolization ratio is useful to predict coil compaction. Intracranial aneurysms should be embolized at a volume embolization ratio of 25-33%.
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