ArticleInterventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences2025
An in vitro assessment of aspiration technologies: Location of conduit for 6F aspiration catheters and design of catheter tip influence clot retrieval success.
Article in Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background8F catheters serve as conduits to provide stable access and support for delivery of 6F aspiration catheters (ACs) in Acute Ischaemic Stroke treatment. Superbore catheters (SBCs) (internal diameter (ID) > 0.088″) are the latest innovation, designed for placement in the middle cerebral artery (MCA). SBCs may improve recanalization via enhanced control of blood pressure and flow, in comparison to balloon guide catheter (BGC) and regular guide catheter (GC) systems.AimTo objectively assess conduit catheter technologies in terms of deliverability, local impact on blood pressure and flow, and clot retrieval success in vitro.MethodsTwo in vitro models were used. Two SBCs, (CEREGLIDE92 and TracStar/Zoom88) and one BGC (EMBOGUARD) were used with 0.071″ ACs, and one GC (NeuronMAX) was evaluated with two 6F ACs (RED68 and SOFIA). M1-MCA occlusions were created with cohesive and friable thrombus analogues. Device tracking and clot retrieval were evaluated by two neurointerventionalists, under physiological haemodynamic conditions.ResultsSBC positioning in the MCA resulted in significant reductions of local blood pressure and flow in comparison to GC systems positioned in the Internal Carotid Artery (
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