• World Neurosurg · Jan 2024

    Transradial or transulnar long sheath access to the brachial artery allows for neuroendovascular procedures in patients with radial or ulnar artery occlusion.

    • Michael A Silva, Balint Otvos, Jasmina Kovacevic, Ahmed Abdelsalam, Evan M Luther, Joshua Burks, Vasu Saini, Dileep R Yavagal, Eric C Peterson, and Robert M Starke.
    • Department of Neurosurgery, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, Florida, USA. Electronic address: mas633@miami.edu.
    • World Neurosurg. 2024 Jan 1; 181: e399e404e399-e404.

    BackgroundTransradial access is an important tool for many neuroendovascular procedures. Occlusion of the radial or ulnar artery is not uncommon after transradial or transulnar access and can present a challenge for patients requiring repeat angiography.MethodsBetween March 2022 and June 2023, patients undergoing transradial or transulnar angiography who were found to have a radial artery occlusion or ulnar artery occlusion were identified. Repeat catheterization of the occluded artery was attempted using a 21-gauge single wall puncture needle and a 0.021-inch wire to traverse the occlusion and insert a 23-cm sheath into the brachial artery.ResultsA total of 25 patients undergoing 26 angiograms during the study period were found to have a radial artery occlusion or ulnar artery occlusion. Successful repeat catheterization of the occluded artery was achieved in 21 of 26 cases (80.7%). Outer diameter sheath size ranged from 5 Fr (0.0655 inch) to 8 Fr (0.1048 inch). No access complications were encountered. Number of prior angiograms, time since prior angiogram, and prior angiogram procedure time were associated with lower likelihood of successful access.ConclusionsTransradial or transulnar neuroangiography through an occluded radial or ulnar artery is safe and feasible by traversing the occlusion into the brachial artery with a 23-cm sheath. Repeat catheterization is most successful in patients with an arterial occlusion <6 months old. This technique is important in patients who have limited options for arterial access, avoiding access site complications inherent in transfemoral access, and in patients who specifically require radial or ulnar artery access.Copyright © 2023 Elsevier Inc. All rights reserved.

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