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Stent-assisted embolization of wide-neck anterior communicating artery aneurysms: review of 21 consecutive cases Huang Q; Xu Y; Hong B; Zhao R; Zhao W; Liu JAJNR Am J Neuroradiol 2009[Sep]; 30 (8): 1502-6BACKGROUND AND PURPOSE: Anterior communicating artery (AcomA) aneurysm is the most frequent form of aneurysm. Stent placement is particularly difficult and of limited use for AcomA aneurysms. We report our experience with stent-assisted embolization for wide-neck AcomA aneurysms in 21 patients. Particular attention is given to the morphologic characteristics and strategy of stent deployment. MATERIALS AND METHODS: Between January 2005 and February 2008, stent-assisted coiling was performed in 21 patients with wide-neck AcomA aneurysms. Patient demographics, aneurysm morphology, procedures, and clinical and angiographic outcomes were retrospectively reviewed. RESULTS: Successful deployment of the stent in the targeted artery was achieved in all patients. Nineteen Neuroform 2 or Neuroform 3 stents and 2 LEO stents were used. The distal segment of the stent was positioned in the ipsilateral A2 in 12 patients, in the contralateral A2 across the AcomA in 5 patients, and into the aneurysm sac in 4 patients. Complete occlusion was achieved in 18 patients; near-complete occlusion, in 2 patients; and partial occlusion, in 1 patient. Intraoperative perforation of the aneurysm developed in 1 patient, which was secured by subsequent coiling. Angiographic follow-up in 12 patients for 6.9 months showed 1 recanalization and no in-stent stenosis. CONCLUSIONS: Our preliminary results suggest that stent-assisted embolization for wide-neck AcomA aneurysms is technically feasible and safe. Further follow-up is needed for long-term efficacy of stent placement.|*Blood Vessel Prosthesis[MESH]|*Stents[MESH]|Adult[MESH]|Aged[MESH]|Combined Modality Therapy[MESH]|Embolization, Therapeutic/*instrumentation/*methods[MESH]|Female[MESH]|Humans[MESH]|Intracranial Aneurysm/*diagnostic imaging/*therapy[MESH]|Male[MESH]|Middle Aged[MESH]|Radiography[MESH]|Retrospective Studies[MESH]|Treatment Outcome[MESH] |
