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. 2020 Sep;162(9):2245-2250.
doi: 10.1007/s00701-020-04450-2. Epub 2020 Jun 15.

Clinical and morphological risk factors for the recurrence of anterior communicating artery aneurysms after clipping or coiling

Hee Jong Ki  1 , Kwan Sung Lee  1 , Bum Soo Kim  2 , Jai Ho Choi #  3 , Yong Sam Shin #  1
Affiliations

Clinical and morphological risk factors for the recurrence of anterior communicating artery aneurysms after clipping or coiling

Hee Jong Ki et al. Acta Neurochir (Wien). 2020 Sep.

Abstract

Background: The aim of this study was to evaluate clinical and morphological factors associated with recurrence in anterior communicating artery (AcomA) aneurysms after clipping or coiling.

Methods: We retrospectively reviewed the clinical and radiologic features of consecutive 214 patients with AcomA aneurysms treated between January 2012 and December 2016 in a single tertiary institute. Univariate and multivariate analyses were performed to identify the relationship between clinical and morphological variables and recurrence.

Results: Of 214 patients, 166 were unruptured aneurysms and 109 were treated with coiling. Overall recurrence rate was 13% (28 out of 214 aneurysms) during mean 36.9 ± 18.4-month follow-up. Multivariate logistic regression analysis showed that size greater than 10 mm (OR = 5.651; 95% CI, 1.317-24.242; p = 0.020), smoking (OR = 3.474; 95% CI, 1.342-8.996; p = 0.010), coiling (OR = 2.98; 95% CI, 1.005-8.832; p = 0.049), and anterior direction of aneurysm (OR = 3.77; 95% CI, 1.12-12.66; p = 0.032) were significantly associated with recurrence of AcomA aneurysms after treatment.

Conclusions: The results of this study demonstrated that coiling, large aneurysm, anterior direction, and smoking history may be independent risk factors for the recurrence of AcomA aneurysms. Therefore, careful follow-up should be needed especially in large AcomA aneurysms with anterior direction after coiling.

Keywords: Aneurysm direction; Anterior communicating artery aneurysm; Recurrence; Risk factor.

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