Endovascular Treatment of Intracranial Aneurysms With Silk Vista Baby Flow Diverter: A Systematic Review and Meta-Analysis Publisher Pubmed



Hajikarimloo B¹ ; Mohammadzadeh I² ; Tos SM¹ ; Hashemi R³ ; Habibi MA⁴ ; Hasanzade A³ ; Bana S³ ; Hooshmand M³ ; Ghorbanpouryami F³ ; Najari D³ ; Hezaveh EB³
Source: Neuroradiology Journal Published:2025

Abstract

Background: The Silk Vista Baby (SVB) flow diverter (FD) is a stent designed for small vessels ranging from 1.5 to 3.5 mm. It is the only FD deliverable through a 0.017-inch microcatheter. This systematic review and meta-analysis aimed to assess the SVB utilization in intracranial aneurysms (IAs). Methods: Four electronic databases, PubMed, Scopus, Embase, and Web of Science, were searched from inception to November 5th, 2024. Results: Ten studies with 359 patients with 373 IAs were included. Our results revealed a pooled complete occlusion rate of 65% (95%CI: 43%–83%), a favorable outcome rate of 94% (95%CI: 83%–100%), and a morbidity rate of 4% (95%CI: 0%–11%). Our meta-analysis revealed a pooled in-stent thrombosis rate of 2% (95%CI: 1%–5%), side branch occlusion rate of 2% (95%CI: 0%–3%), intracerebral hemorrhage (ICH) rate of 2% (95%CI: 1%–4%), and device shortening rate of 4% (95%CI: 3%–6%). The subgroup analysis showed that the complete occlusion rate (≤6: 84% [95%CI: 49%–100%] vs >6: 58% [95%CI: 41%–73%], p <.001) was higher in studies with 6-month or lower follow-up duration, and the favorable outcome rate was higher in those with greater than 6-month duration (≤6: 84% [95%CI: 73%–93%] vs >6: 97% [95%CI: 82%–100%], p <.001). Conclusion: SVB is an efficient and safe therapeutic option for managing IAs. We demonstrated that it is associated with promising clinical and radiological outcomes and low rates of complications. © The Author(s) 2025.