ArticleInterventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences2020
S-shaped distal access catheter supported microcatheter navigation into the lenticulostriate artery feeders of brain arteriovenous malformations.
Article in Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2020. 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, 5 citations in OpenAlex.
- Transarterial Onyx Embolization of a Hemorrhagic Tentorial Dural Arteriovenous Fistula via a Tortuous Occipital Artery: Technical Tips for Challenging Vascular Access.Journal of neuroendovascular therapy · 2026Article
- Preoperative Embolization for Tentorial and Subtentorial Tumors.Journal of neuroendovascular therapy · 2026Review
- Overcoming the Challenge of Distal Lenticulostriate Artery Aneurysms With Transarterial Embolization: Technical Insights, Case Series, and Literature Review.Neurosurgery practice · 2025Review
- Exploring arterial anatomy of the internal capsule: an analysis of the deep vascular structures and related white matter pathways.Neurosurgical review · 2024Article
- Brain arteriovenous malformations of the middle cerebral artery region: image characteristics and endovascular treatment based on a new classification system.BMC neurology · 2023Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
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Abstract
backgroundAlthough the embolization of lenticulostriate artery feeders is often warranted in the treatment of brain arteriovenous malformations, it is technically challenging due to steep and repeated angulations. Here, we describe our novel technique of navigating a flow-guided microcatheter into lenticulostriate artery feeders using the strong support provided by an S-shaped distal access catheter.
methodsWe reviewed our retrospective cohort of brain arteriovenous malformations, in which lenticulostriate artery feeders were attempted to embolize.
resultDuring the study period, endovascular embolization was performed in 25 arteriovenous malformations cases. Of these, eight lenticulostriate artery feeders were present in six cases (24%). In two cases, lenticulostriate artery feeder catheterization was avoided from the beginning due to the small diameters of the feeders. After all, microcatheter navigation for lenticulostriate artery feeders were attempted in four cases with six lenticulostriate artery feeders. In all the six feeders, the S-shaped distal access catheter was successful in supporting the microcatheter to advance distally to the lenticulostriate artery feeders, even if other approaches were unsuccessful. Of the six catheterized lenticulostriate artery feeders, four were embolized. Symptomatic infarction in the lenticulostriate artery territory and mild vasospasm occurred in two cases each, but they did not result in permanent neurological deficits.
conclusionAlthough some potential complications need to be considered, the S-shaped distal access catheter technique appears to be an effective alternative approach to gaining access to difficult feeders of arteriovenous malformations.
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