Intra-aneurysmal occlusion of cerebral aneurysms using detachable coils correlation of aneurysm neck size and treatment results

K. Irie, W. Taki, I. Nakahara, N. Sakai, F. Isaka, H. Kikuchi, S. Nagao

Research output: Contribution to journalArticlepeer-review

Abstract

The aneurysmal neck size seems to be an important factor in the endovascular treatment outcome. The purpose of the present study was to measure aneurysm neck size on angiographic films, and compare the measured value with the extent of intra-aneurysmal occlusion performed with detachable coils. The subjects were 22 patients with intracranial aneurysms treated using detachable coils. The cases were divided into two groups according to the aneurysmal neck size, 4 mm being the discriminating value for small neck. The neck of the aneurysm was successfully occluded in 19 of 22 patients. Ten aneurysms had a small neck and 9 aneurysms had u wide neck. Complete aneurysm occlusion was observed in 70% of small neck aneurysms and 25% of wide neck aneurysms. The results support that the size of the aneurysm neck correlates well with the effectiveness of endovascular treatment.

Original languageEnglish
Pages (from-to)114-117
Number of pages4
JournalInterventional Neuroradiology
Volume3
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 11-1997

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine

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