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Research ArticleInterventional

Stent-Assisted Coiling Versus Balloon Remodeling of Wide-Neck Aneurysms: Comparison of Angiographic Outcomes

N. Chalouhi, R.M. Starke, M.T. Koltz, P.M. Jabbour, S.I. Tjoumakaris, A.S. Dumont, R.H. Rosenwasser, S. Singhal and L.F. Gonzalez
American Journal of Neuroradiology October 2013, 34 (10) 1987-1992; DOI: https://doi.org/10.3174/ajnr.A3538
N. Chalouhi
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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R.M. Starke
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
bDepartment of Neurological Surgery (R.M.S.), University of Virginia, Charlottesville, Virginia.
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M.T. Koltz
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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P.M. Jabbour
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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S.I. Tjoumakaris
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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A.S. Dumont
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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R.H. Rosenwasser
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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S. Singhal
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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L.F. Gonzalez
aFrom the Department of Neurological Surgery (N.C., R.M.S., M.T.K., P.M.J., S.I.T., A.S.D., R.H.R., S.S., L.F.G.), Thomas Jefferson University and Jefferson Hospital for Neuroscience, Philadelphia, Pennsylvania
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Abstract

BACKGROUND AND PURPOSE: Stent-assisted coiling and balloon-assisted coiling are 2 well-established techniques for treatment of wide-neck intracranial aneurysms. A direct comparative analysis of angiographic outcomes with the 2 techniques has not been available. We compare the angiographic outcomes of wide-neck aneurysms treated with stent-assisted coiling versus balloon-assisted coiling.

MATERIALS AND METHODS: A retrospective review was conducted on 101 consecutive patients treated at our institution, 69 with stent-assisted coiling and 32 with balloon-assisted coiling. Two multivariate logistic regression analyses were performed to determine predictors of aneurysm obliteration and predictors of progressive aneurysm thrombosis at follow-up.

RESULTS: The 2 groups were comparable with respect to all baseline characteristics with the exception of a higher proportion of ruptured aneurysms in the balloon-assisted coiling group (65.6%) than in the stent-assisted coiling group (11.5%, P < .001). Procedural complications did not differ between the stent-assisted coiling group (6%) and the balloon-assisted coiling group (9%, P = .5). The rates of complete aneurysm occlusion (Raymond score 1) at the most recent follow-up were significantly higher for the stent-assisted coiling group (75.4%) compared with the balloon-assisted coiling group (50%, P = .01). Progressive occlusion of incompletely coiled aneurysms was noted in 76.6% of aneurysms in the stent-assisted coiling group versus 42.8% in the balloon-assisted coiling group (P = .02). Retreatment rates were significantly lower with stent-assisted coiling (4.3%) versus balloon-assisted coiling (15.6%, P = .05). In multivariate analysis, stented aneurysms independently predicted both complete aneurysm obliteration and progression of occlusion.

CONCLUSIONS: Stent-assisted coiling may yield lower rates of retreatment and higher rates of aneurysm obliteration and progression of occlusion at follow-up than balloon-assisted coiling with a similar morbidity rate.

ABBREVIATIONS:

SAC
stent-assisted coiling
BAC
balloon-assisted coiling
PED
Pipeline Embolization Device
  • © 2013 by American Journal of Neuroradiology
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American Journal of Neuroradiology: 34 (10)
American Journal of Neuroradiology
Vol. 34, Issue 10
1 Oct 2013
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Stent-Assisted Coiling Versus Balloon Remodeling of Wide-Neck Aneurysms: Comparison of Angiographic Outcomes
N. Chalouhi, R.M. Starke, M.T. Koltz, P.M. Jabbour, S.I. Tjoumakaris, A.S. Dumont, R.H. Rosenwasser, S. Singhal, L.F. Gonzalez
American Journal of Neuroradiology Oct 2013, 34 (10) 1987-1992; DOI: 10.3174/ajnr.A3538

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Stent-Assisted Coiling Versus Balloon Remodeling of Wide-Neck Aneurysms: Comparison of Angiographic Outcomes
N. Chalouhi, R.M. Starke, M.T. Koltz, P.M. Jabbour, S.I. Tjoumakaris, A.S. Dumont, R.H. Rosenwasser, S. Singhal, L.F. Gonzalez
American Journal of Neuroradiology Oct 2013, 34 (10) 1987-1992; DOI: 10.3174/ajnr.A3538
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