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. 2023 Apr;29(2):165-171.
doi: 10.1177/15910199221081249. Epub 2022 Mar 2.

Comparison of Solitaire and Neuroform Stenting for Coiling of Intracranial Bifurcation Aneurysms

Hailin Wan  1 , Gang Lu  1 , Lei Huang  1 , Liang Ge  1 , Yeqing Jiang  1 , Xiaolong Zhang  1
Affiliations

Comparison of Solitaire and Neuroform Stenting for Coiling of Intracranial Bifurcation Aneurysms

Hailin Wan et al. Interv Neuroradiol. 2023 Apr.

Abstract

Purpose: To compare the technical performance and outcomes of Solitaire and Neuroform stents for treatment of intracranial bifurcation aneurysms (IBAs).

Methods: IBAs treated by stent-assisted coiling using a Solitaire or Neuroform stent between October 2010 and December 2019 were retrospectively evaluated. Patient demographics, aneurysm information, treatment technique, periprocedural and device-related complications, parent artery angle change, along with initial and follow-up angiographic results were analyzed.

Results: One hundred twenty-one patients with 121 IBAs treated with Solitaire (n = 101) or Neuroform (n = 20) stent-assisted coiling were included. Aneurysm size, thrombotic and hemorrhagic complication rate, initial occlusion rate and in-stent stenosis between the two cohorts were not significantly different. Aneurysm location was significantly different between the two groups (p = 0.032). Jailing technique rate for coiling was significantly higher in the Solitaire than the Neuroform group (70.3% vs. 35.0%, p < 0.01). Follow-up DSA demonstrated a significantly lower recurrence rate for the Solitaire cohort (2.9% vs. 22.2%, p = 0.016). Parent artery angle changes, immediately post-operative and on follow-up were significantly greater in the Solitaire stent group (p < 0.05).

Conclusions: For intracranial bifurcation aneurysms, Solitaire stent-assisted coiling achieved a significantly lower recurrence rate and induced more favorable parent artery angular remodeling than Neuroform stenting.

Keywords: Neuroform; Solitaire; embolization; intracranial bifurcation aneurysm.

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Conflict of interest statement

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Flow chart of the study population. IBANs, intracranial bifurcation aneurysms; SAC, stent-assisted coiling.
Figure 2.
Figure 2.
Schematic drawing illustrating the measurement of the parent artery angle, pre-treatment (A) and post-operation (B).
Figure 3.
Figure 3.
A middle cerebral artery bifurcation aneurysm (A) obliterated with Solitaire stent-assisted coiling (B); 7-month follow-up angiography showed no recurrence (C).
Figure 4.
Figure 4.
An anterior communicating artery aneurysm (A) treated with Neuroform stent-assisted coiling (B); 10-month follow-up angiography confirmed no recurrence (C).
See this image and copyright information in PMC

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