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Abstract
Purpose: Treatment of giant/large internal carotid aneurysm is a challenge for neurologists. Previously, parent artery occlusion was the classic therapy; now the stent-assisted coil embolization has become available in recent years, but the optimal therapy is under debate. The goal of the present study was to compare two endovascular treatment modalities in terms of safety, efficacy and short-term outcomes. Methods: All the patients were divided into two groups: Group A: patients who underwent parent artery occlusion, and Group B: patients who underwent stent-assisted coil embolization. Follow-up outcomes were evaluated using the modified Rankin Scale (mRS). Results: After 12 months of follow-up, the favorable outcome (mRS: 0–2) had no statistical significance in both groups (p = 1.00). Patients in group A had greater ischemia compared with patients in group B, but the difference did not reach statistical significance (p = 0.421). In group B, patients had a higher rate of partial occlusion (p = 0.255) and recurrence (10% vs. 0%; p = 0.586). Conclusions: Stent-assisted coiling may not be superior to parent artery occlusion in selected patients after short-term follow-up. Parent artery occlusion is a simple, safe and effective treatment for large/giant internal carotid aneurysms.