ArticleCardiovascular and interventional radiology2019
Accuracy of Length of Virtual Stents in Treatment of Intracranial Wide-Necked Aneurysms.
Article in Cardiovascular and interventional radiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Mechanical behavior of functionally zoned hybrid intracranial stent integrating laser-cut and braided architectures.Frontiers in bioengineering and biotechnology · 2026Article
- Effect of the Effective Metal Surface Area of Two Different Flow Diverter Stents on the Stagnation Region Formation Inside the Aneurysm Sac.Asian journal of neurosurgery · 2025Article
- High variability in physician estimations of flow-diverting stent deployment versus PreSize Neurovascular software simulation: a comparison study.Journal of neurointerventional surgery · 2024Article
- Utility of virtual stenting in treatment of cerebral aneurysms by flow diverter devices.La Radiologia medica · 2023Article
- Effects of different stent wire mesh densities on hemodynamics in aneurysms of different sizes.PloS one · 2022Article
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9 authors.
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Abstract
background and purposePrecise stent deployment is important for successful treatment of intracranial aneurysms by stent-assisted coiling (SAC). We evaluated the accuracy of virtual stents generated using commercial stent planning software by comparing the length of virtual and actually deployed intracranial laser cut stents on three-dimensional digital subtraction angiography (3D-DSA) images.
methodsWe retrospectively analyzed the data of 75 consecutive cases of intracranial wide-necked aneurysms treated with the SAC technique using laser cut stents. Based on 3D-DSA images acquired by C-arm CT, stent sizing and placement were intraoperatively simulated by a commercial software application. The difference in length of the stents was estimated by measuring proximal discrepancies between the end points of the virtual and actually deployed stents on fused pre-procedural and post-procedural 3D-DSA images. Discrepancies between distal stent end points were manually minimized. The Kruskal-Wallis test was applied to test whether stent location, type, and length had an effect on difference in length between virtual and real stent.
resultsThe median difference in length between virtual and real stents was 1.58 mm with interquartile range 1.12-2.12 mm. There was no evidence for an effect of stent location (p = 0.23), stent type (p = 0.33), or stent length (p = 0.53) on difference in length between virtual and real stents.
conclusionsStent planning software allows 3D simulation of laser cut stents overlain on 3D-DSA images of vessels and may thus be useful for stent selection and deployment of laser cut stents during stent-assisted coiling of intracranial aneurysms.
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