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Stroke. 2010 Jan;41(1):110-5. doi: 10.1161/STROKEAHA.109.558114. Epub 2009 Dec 3.

Stent-assisted coiling of intracranial aneurysms: clinical and angiographic results in 216 consecutive aneurysms.

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1
Service de Neuroradiologie Interventionnelle et Fonctionnelle, Hôpital de la Fondation Ophtalmologique Adolphe de Rothschild, 25-29 Rue Manin 75940 Paris, Cedex 19, France.

Abstract

BACKGROUND AND PURPOSE:

Stent-assisted coiling has expanded the treatment of intracranial aneurysms, but the rates of procedure-related neurological complications and the incidence of angiographic aneurysm recurrence of this novel treatment are not yet well known. We present our experience with stent-assisted coiling with special emphasis on procedure-related neurological complications and incidence of angiographic recurrence.

METHODS:

Clinical and angiographic outcomes of 1137 consecutive patients (1325 aneurysms) coiled with and without stent-assisted coiling technique from January 2002 to January 2009 were retrospectively analyzed.

RESULTS:

There were 1109 aneurysms (83.5%) treated without and 216 (16.5%) treated with stents (15 of 216; 6.9% balloon-expandable versus 201 of 216; 93.1% self-expandable stents). Stents were delivered after coiling in 55.1% (119 of 216) and before coiling in 44.9% (97 of 216) of the cases. Permanent neurological procedure-related complications occurred in 7.4% (16 of 216) of the procedures with stents versus 3.8% (42 of 1109) in the procedures without stents (logistic regression P=0.644; OR: 1.289; 95% CI: 0.439 to 3.779). Procedure-induced mortality occurred in 4.6% (10 of 216) of the procedures with stents versus 1.2% (13 of 1109) in the procedures without stents (logistic regression P=0.006; OR: 0.116; 95% CI: 0.025 to 0.531). A total of 52.7% (114 of 216) of aneurysms treated with stents have been followed so far versus 69.8% (774 of 1109) of aneurysms treated without stents, disclosing angiographic recurrence in 14.9% (17 of 114) versus 33.5% (259 of 774), respectively (Fisher exact test P<0.0001; OR: 0.3485; 95% CI: 0.2038 to 0.5960).

CONCLUSIONS:

Stents were associated with a significant decrease of angiographic recurrences, but they were associated with more lethal complications compared with coiling without stents.

PMID:
19959540
DOI:
10.1161/STROKEAHA.109.558114
[Indexed for MEDLINE]
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