ArticleInterventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences2016
Modification of cerebral vascular anatomy induced by Leo stent placement depending on the site of stenting: A series of 102 cases.
Article in Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Treatment of Intracranial Aneurysms with Self-Expandable Braided Stents: A Systematic Review and Meta-Analysis.AJNR. American journal of neuroradiology · 2018Pooled it
- Predisposing factors for the deformation of parent artery of anterior circulation saccular aneurysm after stent-assisted embolization: A retrospective cohort study.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2023Article
- Stent-assisted coiling of intracranial aneurysms using LEO stents: long-term follow-up in 153 patients.Neuroradiology · 2018Article
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Authors and funding
7 authors.
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Abstract
background and purposeRecent studies demonstrated the capacity of stents to modify cerebral vascular anatomy. This study evaluates arterial anatomy deformation after Leo stent placement according to the stenting site and the impact on the immediate postoperative and six-month degree of aneurysmal occlusion. MATERIALS AND
methodsA total of 102 stents were placed against the neck of aneurysms situated in the anterior cerebral circulation. Aneurysms were classified into two groups: The first was called the distal group (n = 62) and comprised aneurysms situated in the middle cerebral and anterior communicating arteries and the second was called the proximal group (n = 40) and comprised aneurysms in other sites. The stented arterial segment was classified as deformed or non-deformed by blinded review and superimposition of anonymised films before and after stenting. The degree of occlusion was determined immediately postoperatively and at six months.
resultsSignificantly, anatomical deformity was observed in the distal group compared to the proximal group (85% vs 28%). No significant difference was observed between the two groups in terms of postoperative degree of occlusion. At six months, a significant difference was observed between the two groups: three recurrences in the distal group vs 10 recurrences in the proximal group. Two (3%) recurrences were observed in the deformed group vs 11 (31%) recurrences in the non-deformed group.
conclusionsArterial deformity induced by stenting is even more marked for distal aneurysms. The recurrence rate is smaller when the stent placement results in an arterial anatomical change. The percentage of recurrence is lower when anatomy was amended by stent implantation.
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