• Chong Huang and Chao You.
• Department of Neurosurgery, West China Hospital, Chengdu, Sichuan, People's Republic of China.
• World Neurosurg. 2019 Jun 1; 126: e545-e549.

ObjectiveWe investigated the outcomes of patients with an unruptured intracranial aneurysm (UIA) and >2 risk factors concerning complications, obliteration rate, and other factors after surgical or endovascular treatment.MethodsCoiling and clipping were compared in patients with UIAs treated in West China Hospital from January 2015 to May 2017. Patient survival, dependency, retreatment, complications, and other clinical outcome indexes were compared between the 2 groups.ResultsA total of 82 patients (92 aneurysms) had undergone treatment for UIAs with multiple risk factors. Of these 82 patients, 45 (54.9%) had undergone clipping and 37 (45.1%) had undergone coiling. No deaths were related to either treatment. Morbidity (modified Rankin scale score >2) at 1 year had developed in 1 of 45 and 1 of 37 patients in the clipping and coiling groups, without a statistically significant difference. Hospitalization >5 days (30 of 45 vs. 12 of 37; P < 0.05) was less frequent after coiling. The number of aneurysms with complete occlusion (48 of 51 vs. 33 of 41; P < 0.05) was greater in the surgical group. No differences in peritreatment complications were found in the surgical and endovascular groups (8 of 45 vs. 6 of 37; P > 0.05).ConclusionsIn our study, clipping and coiling showed advantages for the treatment of UIAs with multiple risk factors. Surgical clipping of UIAs is achievable with a low rate of unfavorable outcomes and a high rate of complete obliteration for patients with multiple risk factors. However, endovascular treatment was also successful, with a shorter length of stay and low procedure-related morbidity. Additional randomized evidence are required to support the superior efficacy of clipping.Copyright © 2019 Elsevier Inc. All rights reserved.

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