Management of Intracranial Aneurysms by Surgical and Endovascular Treatment:Modalities and Results from a Series of 395 Cases

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The selective occlusion of saccular intracranial aneurysms may be achieved by two techniques: microsurgical clipping and endovascular coiling. Each of them have particular indications which need to be defined. From September 1992 to June 1996, 395 consecutive patients with small or large aneurysms were treated either by surgery (n=102) or by endovascular coiling (n=293). Coiling was chosen each time the shape of the aneurysm seemed to be appropriate for this treatment: narrow neck and ratio neck diameter by sac diameter less than one third.Satisfying results with complete or subtotal obliteration and no recanalization on the following con-trols at 1, 6, 12, and 36 months were obtained in 92% before retreatment and in 98.8% after retreatment. Unsatisfying results were observed after surgery in seven cases and in 25 cases after embolization. Af-ter retreatment, it remains three post-surgical and two post-endovascular cases. Good and excellent clin-ical outcome was noted in 90% for small aneurysms and in 86.5% for large ones. Mortality is of 4.8% in the overall series.In a series in which were applied both types of treatment, surgery in 25% and endovascular tech-niques in 75%, good results in terms of efficiency and clinical results were achieved. These results are as good as the best series in which surgery was the only choice. Therefore with appropriate selection, en-dovascular treatment is a good alternative for treatment of the majority of saccular aneurysms.
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Management of Intracranial Aneurysms by Surgical and Endovascular Treatment:Modalities and Results from a Series of 395 Cases

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