Quadratus lumborum block versus perioperative intravenous lidocaine for postoperative pain control in patients undergoing laparoscopic colorectal surgery: a prospective, randomized, double-blind controlled clinical trial. Ann Surg 2018; 268: 769-775.

Published: 19th December 2018

Authors: Dewinter G, Coppens S, Van de Velde M, D’Hoore A, Wolthuis A, Cuypers E et al.


The local anaesthetic block was not superior to intravenous lidocaine in reducing opiate analgesia requirement postoperatively in this study that included 125 patients.

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