ArticleScientific reports2024
Quantitative analysis of hemodynamic changes induced by the discrepancy between the sizes of the flow diverter and parent artery.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Safety and efficacy of the pipeline vantage flow diverter in small cerebral vessels ≤2.5 mm: a case series.Neuroradiology · 2026Article
- Parent Artery Disease-Related Stroke: What Is the Impact on Endovascular Treatment? A Narrative Review.Journal of clinical medicine · 2026Review
- Closer matching between flow diverter diameter and parent artery diameter is associated with improved aneurysm occlusion.Surgical neurology international · 2026Article
- Patency of the lenticulostriate and Pontine arteries after stenting of the intracranial arteries.Neurosurgical review · 2025Article
- Safety and efficacy of very short flow diverters for the treatment of intracranial internal carotid artery aneurysms.Scientific reports · 2025Article
- Impact of surface coating on postinterventional DWI lesions: A comparative analysis of coated and uncoated FRED and DERIVO flow-diverters in the treatment of intracranial aneurysms.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2025Article
- Case Report: "Stent-within-a-Stent" technique after telescopic flow diverter reconstruction for basilar artery aneurysm with proximal stenosis.Frontiers in surgery · 2025Article
- An increase in flow-diverter oversizing values as an independent risk factor for developing more severe in-stent stenosis. A retrospective single-center study based on flow diversion of supraclinoid internal carotid artery aneurysms.Frontiers in neurology · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The efficacy of flow diverters is influenced by the strut configuration changes resulting from size discrepancies between the stent and the parent artery. This study aimed to quantitatively analyze the impact of size discrepancies between flow diverters and parent arteries on the flow diversion effects, using computational fluid dynamics. Four silicone models with varying parent artery sizes were developed. Real flow diverters were deployed in these models to assess stent configurations at the aneurysm neck. Virtual stents were generated based on these configurations for computational fluid dynamics analysis. The changes in the reduction rate of the hemodynamic parameters were quantified to evaluate the flow diversion effect. Implanting 4.0 mm flow diverters in aneurysm models with parent artery diameters of 3.0-4.5 mm, in 0.5 mm increments, revealed that a shift from oversized to undersized flow diverters led to an increase in the reduction rates of hemodynamic parameter, accompanied by enhanced metal coverage rate and pore density. However, the flow diversion effect observed transitioning from oversizing to matching was less pronounced when moving from matching to undersizing. This emphasizes the importance of proper sizing of flow diverters, considering the benefits of undersizing and not to exceed the threshold of advantages.
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