Comparison of Erector Spinae Plane Block and Intravenous Lidocaine in Opioid-Free Anesthesia for Laparoscopic Sleeve Gastrectomy: A Randomized Controlled Trial

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  • 1

    The study compares the efficacy of erector spinae plane block (ESPB) and intravenous lidocaine for opioid-free anesthesia in laparoscopic sleeve gastrectomy.

  • 2

    Bilateral ESPB is hypothesized to reduce postoperative opioid consumption compared to IV lidocaine within the first 24 hours after surgery.

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    The trial enrolled adult patients with obesity (BMI ≥ 35 kg/m²) scheduled for elective laparoscopic sleeve gastrectomy at a single center.

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    Statistical analyses were performed on a modified intention-to-treat basis, focusing on 24-hour postoperative opioid consumption as the primary endpoint.

  • 5

    The study received ethical approval and was registered at ClinicalTrials.gov, ensuring compliance with research standards and participant safety.

Original Source(s)

Comparison of Erector Spinae Plane Block and Intravenous Lidocaine in Opioid-Free Anesthesia for Laparoscopic Sleeve Gastrectomy: A Randomized Controlled Trial

  • by Pawel Maciejewski, Tomasz Skladzien, Lukasz Tabin, Michal Cicio, Tomasz Lonc, Olga Szkudlarek, Tomasz Klimczyk, Anna Kwinta, Tomasz Dryglaski, Piotr Major, Michal Terlecki

  • March 14, 2026

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