ArticleNeurosurgery practice2025
Steam Shaping of Angled-Tip Aspiration Catheter to Improve Deliverability in Treating Acute Ischemic Stroke.
Article in Neurosurgery practice, 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
BACKGROUND AND
objectivesInnovations in the treatment of large vessel occlusion strokes include maximizing the speed and success in clot retrieval, but there is limited exploration of steam shaping to angled-tip aspiration catheters. The objective of our study was to assess the outcomes and efficacy of steam-shaped angled-tip aspiration catheters in conjunction with a nonwire advancement technique.
methodsOur case series included patients with anterior circulation large vessel occlusion using a nonwire advancement technique with a steam-shaped angled-tip aspiration catheter (Zoom 71
resultsOf the 10 cases analyzed, 60% were men, with a median age of 70 (IQR 62.3-75.5) and a median National Institutes of Health Stroke Scale score of 22.5 (IQR 19.3-25.0). Overall, 70% had singular occlusions, whereas tandem occlusions included 1 internal carotid artery (ICA)-M1 and 2 ICA-M2 cases. Most (60%) had a cavernous carotid siphon angle type II. First pass took 11.5 minutes (IQR 10.0-15.0), and recanalization took 20.0 minutes (IQR 15.8-25.8) with an average of 2.2 passes. For singular occlusions, 57.1% of cases required 2 or fewer passes. The tandem ICA-M1 occlusion needed only one pass at each location, whereas both ICA-M2 occlusions required 1 ICA pass with Zoom
conclusionSteam shaping of angled-tip catheters seems to perform superiorly when utilizing a nonwire advancement technique without compromising patient safety.
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