Authors: Emiko Chiba Kohei Hamamoto Michio Nagashima Katsuhiko Matsuura Tomohisa Okochi Keisuke Tanno Osamu Tanaka
Publish Date: 2016/07/05
Volume: 39, Issue: 10, Pages: 1407-1412
Abstract
Twentyone patients who underwent PTA for stenotic dialysis access shunts and who had previous experience of PTA without sedation analgesia and anesthesia were included The access type in all patients was native arteriovenous fistulae in the forearm Two radiologists performed USguided ABPB for the radial and musculocutaneous nerves before PTA The patients’ pain scores were evaluated using a visual analog scale VAS after PTA and these were compared with previous sessions without USguided ABPB The patient’s motor/sensory paralysis after PTA was also examinedThe mean time required to achieve USguided ABPB was 8 min The success rate of this procedure was 100 and there were no significant complications All 21 patients reported lower VAS with USguided ABPB as compared to without the block p 001 All patients expressed the desire for an ABPB for future PTA sessions if required Transient motor paralysis occurred in 8 patients but resolved in all after 60 minAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards
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