• J Neuroimaging · Sep 2023

    Novel technique of stent placement via gateway balloon in intracranial atherosclerosis-associated large vessel occlusion.

    • Muhammad Zeeshan Memon, Mohamad Ezzeldin, Arundhati Biswas, Rowaid Ahmad, Taha Nisar, Amit Singla, Nazar Muhammad, Hashem Shaltoni, Peter Kan, Osama O Zaidat, and Priyank Khandelwal.
    • Department of Neurosurgery Rutgers, The State University of New Jersey, Newark, New Jersey, USA.
    • J Neuroimaging. 2023 Sep 1; 33 (5): 773780773-780.

    Background And PurposeNeuroform Atlas stent can be deployed directly via gateway balloon for angioplasty and stent placement without the need for exchange maneuver required for Wingspan stent use. We present our initial experience of this strategy in intracranial atherosclerosis-associated large vessel occlusions.MethodsPatients were identified through mechanical thrombectomy (MT) database from January 2020 to June 2022 at our institutions. Due to reocclusion or impending occlusion, rescue angioplasty with stent placement was performed after initial standard MT. Primary outcomes were good angiographic recanalization with modified thrombolysis in cerebral infarction (mTICI) score of 2b-3, rate of intracranial hemorrhage (ICH), and favorable functional outcome at 3 months, that is, modified Rankin Scale (mRS) score of 0-3.ResultsWe identified 22 patients treated using this technique. Among those, 11 were females with their average age at 66 years (range: 52-85). Initial median National Institute of Health Stroke Scale score was 11 (range: 5-30) and all patients received loading doses of aspirin and P2Y₁₂ inhibitor. After performing submaximal angioplasty and Neuroform Atlas stent deployment through the gateway balloon, we achieved final mTICI of 2b-3 in 20 (90%) patients. One patient had ICH post-op that was asymptomatic. Eight (36%) patients had mRS of 0-3 at 90 days.ConclusionOur preliminary experience suggests possible safety and feasibility of deploying Neuroform Atlas stent through a compatible Gateway balloon microcatheter without the need for ICH-associated microcatheter exchange. Further studies with long-term clinical and angiographic follow-up are warranted to corroborate our initial findings.© 2023 The Authors. Journal of Neuroimaging published by Wiley Periodicals LLC on behalf of American Society of Neuroimaging.

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