Stand-alone coil embolization of anterior communicating artery aneurysms: Efficacy and technical issues.

The neuroradiology journal(2016)

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摘要
OBJECTIVE:We report our experience with endovascular coiling of anterior communicating artery aneurysms with special consideration of angiographic and clinical outcomes and periprocedural complications. MATERIALS AND METHODS:The analysis included treatment results of 28 patients with ruptured and unruptured aneurysms. The aneurysm size ranged from 1.8 to 9.8 mm (mean 5.2, SD 1.7). Clinical examinations with the use of modified Rankin Score and angiographic outcomes were evaluated initially post-embolization and at a minimum follow-up of six months. RESULTS:Initial post-treatment complete and near-complete aneurysm occlusion was achieved in 27 (96%) cases and incomplete occlusion in one (4%) case. Imaging follow-up, performed in 15 (53.6%) patients, showed no change in the degree of occlusion in 11 (73%), coil compaction in one (7%) and progressive occlusion in three (20%) patients. Three (20%) patients underwent a second coil embolization. The procedure-related severe morbidity and mortality rate was 6.4% (2/31). Coil prolapse was present in one (3.2%) case and intraprocedural aneurysm rupture in three (9.6%) cases. The clinical follow-up evaluation achieved in 19 (67.9%) patients showed no change in 17 (89.5%) patients and improvement in two (10.5%) patients. CONCLUSIONS:Although the efficacy of coil embolization of anterior communicating artery aneurysms is unquestionable and the procedure-related complications are acceptable, they should not be neglected. Further investigations are needed to better understand protective factors, as well as to establish unequivocally appropriate management strategy of these complications.
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