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We aim to report intra-arterial thrombectomy transfer metrics for ischemic stroke patients that were transferred to hub hospitals for possible intra-arterial thrombectomy in multiple geographic regions throughout the state of Texas and to identify potential barriers and delays in the intra-arterial thrombectomy transfer process. We prospectively collected data from 8 participating Texas comprehensive stroke/thrombectomy capable centers from 7 major regions in the State of Texas. We collected baseline clinical and imaging data related to the pre-transfer evaluation, transfer metrics, and post-transfer clinical and imaging data. A total of 103 acute ischemic stroke patients suspected/confirmed to have large vessel occlusions between December 2016 to May 2019 that were transferred to hubs as possible intra-arterial thrombectomy candidates were enrolled. A total of 56 (54%) patients were sent from the spoke to the hub via ground ambulance with 47 (46%) patients traveling via air ambulance. The median spoke arrival to hub arrival time was 174 min, median spoke arrival to departure from spoke was 131 min, and median travel time was 39 min. The spoke arrival time to transfer initiation was 68 min. CT-perfusion obtained at the spoke and earlier initiation of transfer were statistically associated with shorter transfer times. Transfer of intra-arterial thrombectomy patients in Texas may take over 4 h from spoke arrival to hub arrival. This time may be shortened by earlier transfer initiation and acceptance. Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.


Tzu-Ching Wu, Christy Ankrom, Michele Joseph, Alyssa Trevino, Liang Zhu, Steven Warach, Roberta R Novakovic, Mark P Goldberg, Lee A Birnbaum, Osman Mir, Gustavo J Rodriguez, Yazan J Alderazi, Ameer E Hassan, Sean I Savitz. IAT-TiMeS: Intra-Arterial Thrombectomy Transfer Metric Study in Texas. Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association. 2021 Mar;30(3):105602

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PMID: 33461026

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