Daniel M Heiferman1, Daphne D Li1, Nathan C Pecoraro1, Angela M Smolenski2, Asterios Tsimpas2, William W Ashley3. 1. Department of Neurological Surgery, Stritch School of Medicine, Loyola University Medical Center, Maywood, Illinois. 2. Department of Neurological Surgery, Advocate Illinois Masonic Medical Center, Chicago, Illinois. 3. Department of Neurosurgery, The Sandra and Malcolm Berman Brain and Spine Institute, Sinai Hospital and LifeBridge Health System, Baltimore, Maryland. Electronic address: washley@lifebridgehealth.org.
Abstract
BACKGROUND: Intra-arterial alteplase (IA tPA) is commonly used during mechanical thrombectomy for acute ischemic stroke in patients with large-vessel occlusion, but specific indications and applications for its use remain undefined. METHODS: We analyzed 40 patients who underwent stent-retriever mechanical thrombectomy, 28 of whom received adjunctive IA tPA. To our knowledge, this is the largest cohort with this concomitant treatment reported in the literature in the post-mechanical thrombectomy trial era. RESULTS: Between patients with and without IA tPA, rates of hemorrhagic conversion, neurologic outcome, and mortality were equivalent, with a trend toward improved angiographic revascularization observed in the IA tPA group. CONCLUSIONS: IA tPA is a safe adjunct to mechanical thrombectomy, and more investigation is warranted to understand ideal indications and dosage methodologies.
BACKGROUND: Intra-arterial alteplase (IA tPA) is commonly used during mechanical thrombectomy for acute ischemic stroke in patients with large-vessel occlusion, but specific indications and applications for its use remain undefined. METHODS: We analyzed 40 patients who underwent stent-retriever mechanical thrombectomy, 28 of whom received adjunctive IA tPA. To our knowledge, this is the largest cohort with this concomitant treatment reported in the literature in the post-mechanical thrombectomy trial era. RESULTS: Between patients with and without IA tPA, rates of hemorrhagic conversion, neurologic outcome, and mortality were equivalent, with a trend toward improved angiographic revascularization observed in the IA tPA group. CONCLUSIONS: IA tPA is a safe adjunct to mechanical thrombectomy, and more investigation is warranted to understand ideal indications and dosage methodologies.
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