The Role of Endovascular Treatment for Ruptured Distal Anterior Cerebral Artery Aneurysms: Comparison with Microsurgical Clipping

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Abstract

BACKGROUND AND PURPOSE

The purpose of this study was to compare clinical outcomes and treatment-related complications between coiling and clipping for ruptured distal anterior cerebral artery (DACA) aneurysms.

METHODS

Eighty-four consecutive patients (M:F = 36:48; mean 53.8 years) with ruptured DACA aneurysms were treated by either clipping (n= 46, 54.8%) or coiling (n= 38, 45.2%). The clinical outcomes and procedure-related complications were evaluated and compared between the two groups.

RESULTS

Procedure-related complications tend to occur more frequently in the clipping (n= 6, 13.0%) than coiling group (n= 1, 2.6%) (P= .121). At discharge, 51 patients (60.7%) had favorable outcomes (Glasgow outcome scale [GOS], 4 or 5). There was no significant difference between the two groups in favorable outcome (63.2% vs. 58.7%;P= .677). Hunt and Hess (HH) grade (P< .001; 95% CI, 3.354-29.609) and treatment modality (P= .044; 95% CI, 1.039-16.325) were independent risk factors for poor outcome (GOS, 1-3).

CONCLUSIONS

Coiling was more favorable to clipping in clinical outcomes and incidence of treatment-related complications for ruptured DACA aneurysms.

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