Background: Endovascular treatment of aneurysm is the accepted standard of treatment. Multiple intracranial aneurysms are frequently detected due to advances in imaging.
Objective: The purpose of this study was to determine aneurysm properties, management strategies, and outcome of patients with multiple intracranial aneurysms managed by endovascular approach.
Materials And Methods: Data of all patients with multiple intracranial aneurysms who were managed at our institute over a period of 1 year were retrospectively studied. Data of 20 consecutive patients with single aneurysm who were endovascularly managed during the same study period were also collected. Patient demographics, intraprocedural radiation exposure, hardware used, and clinical and angiographic outcome at discharge were analyzed.
Results: A total of 112 patients with intracranial aneurysm were managed during the study period, of which 11 patients had multiple intracranial aneurysms, with a total of 23 aneurysms. Incidence was more among females (63.6%). Proximal of multiple aneurysms ruptured more commonly (63.6%), and internal carotid artery (ICA) bifurcation was the most common site (45.4%). Of the 23 aneurysms, 18 were coiled. Seven patients had good outcome and it was found to be influenced by preoperative Hunt and Hess scale. Based on Raymond-Roy grading, 17 of 18 aneurysms (94.4%) were completely coiled; angiographic outcome was comparable in both the groups. Patients with multiple aneurysm had statistically significant high radiation exposure (4.5 vs 3.8 m SV) as compared to patients with single aneurysm (P < 0.05), but had low stochastic effect. In patients with aneurysm involving different arterial compartment, 66.2% required change of microcatheter.
Conclusion: Single-stage treatment of multiple aneurysm can be achieved with good outcome. Even though radiation exposure is high while treating multiple aneurysm as compared to single aneurysm cases, its stochastic risks are low.
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