ArticleInterventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences2024
Macrowire for intracranial thrombectomy: An early experience of a new device and technique for anterior circulation large vessel occlusion stroke.
Article in Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Microguidewire stiffness for microcatheter and aspiration catheter navigation in tortuous vessels.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2025Article
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18 authors.
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Abstract
background and purposeMechanical thrombectomy (MT) has become the standard of care for treatment of acute ischemic stroke secondary to large vessel occlusion up to 24 h from the last known normal time. With ADAPT and SOLUMBRA techniques, classically, a large bore aspiration catheter is delivered over a microcatheter and microwire crossing the clot to perform thrombectomy. Recently, a novel macrowire (Colossus 035 in.) has been introduced as a potential alternative to the use of microwire-microcatheter to allow the delivery of the aspiration catheter (ID = 0.070 in. up to 0.088 in.) over a macrowire alone.
objectiveTo test the feasibility of delivering an aspiration catheter to clot interface over a macrowire alone. MATERIALS AND
methodsA retrospective evaluation of prospectively maintained Macrowire for Intracranial Thrombectomy (MINT) Registry where this novel technique was utilized for thrombectomy. Consecutive patients undergoing MT using the MINT technique were included. We collected baseline demographics, imaging and clinical characteristics, rate of procedural success, conversion to traditional MT, and complications.
resultsFifty consecutive patients were recruited during the initial 4 months of the larger study duration. The aspiration catheter was able to be advanced to the clot interface successfully in 46/50 (92%) using the MINT technique. Median time from vascular access to the first pass was 11.30 min (IQR = 7.45-14.30 min) and successful thrombectomy was 14 min (IQR = 10-22.15). The modified first-pass effect with this procedure was 71%. One vasospasm was reported as a procedural complication.
conclusionsMINT is safe and feasible for large vessel occlusion recanalization based on our initial clinical experience in this multicenter study.
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