• Drew Silver, Dasia Esener, and Gabriel Rose.
• Department of Emergency Medicine, Kaiser Permanente San Diego, 4647 Zion Ave, San Diego, CA 92120, USA.
• Am J Emerg Med. 2023 Jul 1; 69: 219.e3219.e6219.e3-219.e6.

AbstractRadicular pain due to sciatica is a common occurrence with a lifetime incidence of up to 40%. Typical approaches to treatment vary and may include topical and oral analgesics, such as opioids, acetaminophen, and non-steroidal anti-inflammatory drugs (NSAIDs); however, these medications may be contraindicated in some or result in untoward effects in others. The use of ultrasound-guided regional anesthesia is an important component of multimodal analgesia in the emergency department. Transgluteal sciatic nerve block has been described as an effective method to treat patients with sciatica but carries risk of injury and falls due to its resultant loss of motor function and potential for systemic toxicity when higher volumes are used. Ultrasound-guided peripheral nerve hydrodissection with D5W has been shown to be an effective treatment of various compressive neuropathies in the outpatient setting. Here we present 4 cases of patients who presented to the emergency department with severe acute sciatica and were treated successfully using an ultrasound guided transgluteal sciatic nerve hydrodissection (TSNH). This technique may offer a safe and effective approach to treating patients with sciatica, but more studies are needed to assess its utility on a larger scale.Copyright © 2023 Elsevier Inc. All rights reserved.

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