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The authors evaluated a national, multihospital database containing information on over 5200 patients to examine recent trends in ruptured aneurysm therapies and to compare peri-procedural outcomes between clipping and coiling treatments. Clipping therapy frequency decreased from 27% in 2006 to 21% in 2011. Unfavorable outcomes were more common after clipping compared with coiling, including discharge to long-term care, ischemic complications, neurologic complications, and other surgical complications.

Five hundred aneurysms treated with a variety of self-expanding stents were clinically assessed and followed angiographically at 6–7 months postprocedure. Thromboembolic phenomena occurred in 21 patients and intraoperative rupture in 4. Initial complete occlusion was achieved in 42.2% progressing to 90.8% at follow-up. Early and late recanalizations were noted in 8% and 2%, respectively.