• Emerg Med J · Sep 2024

    Randomized Controlled Trial

    EASIER trial (Erector-spinAe analgeSia for hepatopancreaticobiliary pain In the Emergency Room): a single-centre open-label cohort-based randomised controlled trial analysing the efficacy of the ultrasound-guided erector-spinae plane block compared with intravenous morphine in the treatment of acute hepatopancreaticobiliary pain in the emergency department.

    • Sandeep Nathanael David, Vignesh Murali, Pradeep Daniel Kattumala, Kundavaram Paul Prabhakar Abhilash, Ajith Thomas, Sudipta Dhar Chowdury, and Reka Karuppusami.
    • Department of Emergency Medicine, Christian Medical College and Hospital Vellore, Vellore, Tamil Nadu, India sanada_124@yahoo.com.
    • Emerg Med J. 2024 Sep 25; 41 (10): 588594588-594.

    BackgroundUltrasound-guided (USG) erector-spinae plane block (ESPB) may be better than intravenous opioids in treating acute hepatopancreaticobiliary (HPB) pain in the ED.MethodsThis open-label randomised controlled trial was conducted in the ED of a tertiary-care hospital between March and August 2023. All adult patients with severe HPB pain were recruited during times that a primary investigator was present. Unconsenting patients, numeric rating scale (NRS) ≤6, age ≤18 and ≥80 years, pregnant, unstable or with allergies to local anaesthetics or opioids were excluded. Patients in the intervention arm received bilateral USG ESPB with 0.2% ropivacaine at T7 level, by a trained ED consultant, and those in the control arm received 0.1 mg/kg intravenous morphine. Pain on a 10-point NRS was assessed by the investigators at presentation and at 1, 3, 5 and 10 hours after intervention by the treatment team, along with rescue analgesia requirements and patient satisfaction. Difference in NRS was analysed using analysis of co-variance (ANCOVA) and t-tests.Results70 participants were enrolled, 35 in each arm. Mean age was 40.4±13.2 years, mean NRS at presentation in the intervention arm was 8.0±0.9 and 7.6±0.6 in the control arm. NRS at 1 hour was significantly lower in the ESPB group (ANCOVA p<0.001). At 1, 3, 5 and 10 hours, reduction of NRS in the intervention arm (7±1.6, 6.7±1.9, 6.6±1.8, 6.1±1.9) was significantly greater than the control arm (4.4±2, 4.6±1.8, 3.7±2.2, 3.8±1.8) (t-test, p<0.001). Fewer patients receiving ESPB required rescue analgesia at 5 (t-test, p=0.031) and 10 hours (t-test, p=0.04). More patients were 'very satisfied' with ESPB compared with receiving only morphine at each time period (p<0.001).ConclusionESPB is a promising alternative to morphine in those with HPB pain.Trial Registration NumberCTRI/2023/03/050595.© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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