• Reg Anesth Pain Med · Jun 2024

    Use of regional anesthesia within a pediatric interventional radiology suite reduced periprocedural opioid use without delaying the overall workflow: a retrospective study.

    • Jordan I Gaelen, Chunyi Wu, Amy Yang, Shankar Rajeswaran, Alina Lazar, Eric C Cheon, and Angelica A Vargas.
    • Department of Pediatric Anesthesiology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA.
    • Reg Anesth Pain Med. 2024 Jun 25.

    BackgroundNerve block utility has been extensively described in the operating room, however, there is a paucity of evidence regarding blocks in the interventional radiology (IR) suite, with no studies examining its safety and efficacy in children.MethodsA retrospective study was conducted at a single tertiary-care children's hospital to evaluate the analgesic utility of nerve blocks during IR-performed sclerotherapy for bone cysts, venous malformations, and lymphatic malformations. Lymphatic and venous malformations were combined for final analysis. Patients between January 2016 and September 2022 had their medical records reviewed for procedural data, postprocedural pain scores, and analgesic administration data.Results309 patients were included in the final analysis. Opioids were required significantly less frequently intraprocedurally and postprocedurally across subgroups. The proportion of patients who received opioids during their hospital course was significant between block and non-block patients, respectively: bone cyst: 62.7% vs 100% (p<0.001); venous and lymphatic malformation: 65.7% vs 97.4% (p<0.001). Average maximum postanesthesia care unit (PACU) pain scores were significantly lower in bone cyst patients with no significant difference seen in pain scores among venous and lymphatic malformation patients. There were no reported nerve block-related complications.DiscussionNerve blocks demonstrated an opioid-sparing effect intraprocedurally and postprocedurally for all subgroups. Their use among bone cyst patients was associated with significant reductions in average maximum PACU pain scores. Nerve blocks may constitute an effective opioid-sparing component of multimodal analgesia in pediatric patients undergoing IR sclerosis procedures. Prospective data are needed to establish the optimal utility of nerve blocks in the IR setting.© American Society of Regional Anesthesia & Pain Medicine 2024. No commercial re-use. See rights and permissions. Published by BMJ.

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