Pedro Navia1, Jose-Angel Larrea1, Edurne Pardo1, Ana Arce2, Maite Martínez-Zabaleta2, Noemí Díez-González2, Eduardo Murias3, Luis-Alfonso Arráez-Aybar4, Javier Massó1. 1. Department of Radiology-Neuroradiology, Hospital Universitario Donostia, San Sebastián, Spain. 2. Department of Neurology, Hospital Universitario Donostia, San Sebastián, Spain. 3. Department of Radiology-Neuroradiology, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain. 4. Faculty of Medicine, Department of Human Anatomy and Embryology, Madrid Complutense University, Madrid, Spain.
Abstract
INTRODUCTION: The advancement of technology has allowed the development of new catheters that may provide safe intracranial navigation. OBJECTIVE: To report our first experience with the direct aspiration first pass technique in small arteries as the primary method for recanalization with the Penumbra 3MAX cerebral reperfusion catheter. METHODS: A retrospective case series analysis study of patients with acute ischemic stroke endovascularly treated with the direct aspiration technique using the 3MAX reperfusion catheter in our hospital in the past year. RESULTS: We treated six patients in our hospital for acute ischemic stroke using the 3MAX aspiration catheter as first choice. The patients had a median National Institutes of Health Strokes Scale (NIHSS) score of 12 (range 10-17) at admission, with occlusions of an M2 segment of a middle cerebral artery (MCA) treated through an anterior communicating artery, pericallosal artery, P2 artery, and M2-MCA and M3-MCA arteries. Recanalization (TICI 2b-3) was achieved in all cases and no complications occurred. It was not necessary to combine treatment with a stent retriever in any of the patients. All the patients showed early neurological improvement. The median NIHSS score at discharge was 1 (0-3) and 5/6 (83%) patients had a modified Rankin Scale score 0-2 at discharge. CONCLUSIONS: Our initial experience suggests that treatment of distal cerebrovascular occlusions with the 3MAX catheter is feasible. We achieved complete recanalization in all cases without unexpected complications while obtaining good clinical results. However, larger studies are necessary to establish its benefits and its safety. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/
INTRODUCTION: The advancement of technology has allowed the development of new catheters that may provide safe intracranial navigation. OBJECTIVE: To report our first experience with the direct aspiration first pass technique in small arteries as the primary method for recanalization with the Penumbra 3MAX cerebral reperfusion catheter. METHODS: A retrospective case series analysis study of patients with acute ischemic stroke endovascularly treated with the direct aspiration technique using the 3MAX reperfusion catheter in our hospital in the past year. RESULTS: We treated six patients in our hospital for acute ischemic stroke using the 3MAX aspiration catheter as first choice. The patients had a median National Institutes of Health Strokes Scale (NIHSS) score of 12 (range 10-17) at admission, with occlusions of an M2 segment of a middle cerebral artery (MCA) treated through an anterior communicating artery, pericallosal artery, P2 artery, and M2-MCA and M3-MCA arteries. Recanalization (TICI 2b-3) was achieved in all cases and no complications occurred. It was not necessary to combine treatment with a stent retriever in any of the patients. All the patients showed early neurological improvement. The median NIHSS score at discharge was 1 (0-3) and 5/6 (83%) patients had a modified Rankin Scale score 0-2 at discharge. CONCLUSIONS: Our initial experience suggests that treatment of distal cerebrovascular occlusions with the 3MAX catheter is feasible. We achieved complete recanalization in all cases without unexpected complications while obtaining good clinical results. However, larger studies are necessary to establish its benefits and its safety. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/
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