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Geoffrey Bloy,1 Amelie Jurine,1 Yann Chaussy,2 Frederic Auber,2 Pierre-Gregoire Guinot,3 Belaid Bouhemad,3 Michel Francois,4 Lucie Vettoretti,1 Sebastien Pili-Floury,5 Maxime Nguyen,3 Guillaume Besch5 1CHU Besançon, Département d’Anesthésie Réanimation Chirurgicale, Besançon, F-25000, France; 2Université de Franche-Comté, CHU Besançon, SINERGIES, Service de Chirurgie Pédiatrique, Besançon, F-25000, France; 3University of Burgundy and Franche-Comté, Dijon University Hospital, INSERM LNC UMR1231, FCS Bourgogne Franche-Comté LipSTIC LabEx, Dijon, F-21000, France; 4Université de Bourgogne, CHU Dijon, Service de Chirurgie Pédiatrique, Dijon, F-21000, France; 5Université de Franche-Comté, CHU Besançon, SINERGIES, Département d’Anesthésie Réanimation Chirurgicale, Besançon, F-25000, FranceCorrespondence: Guillaume Besch, Département d’Anesthésie Réanimation Chirurgicale, CHU Besançon, 3 bvd Alexandre Fleming, Besançon, 25030, France, Tel +3381218958, Fax +3381669331, Email gbesch@chu-besancon.frPurpose: Postoperative pain relief after laparoscopic appendicectomy is a key determinant of early rehabilitation in children. Recent guidelines recommend performing either a transversus abdominis plane (TAP) block or local anesthesia (LA) wound infiltration as part of multimodal postoperative analgesia after appendectomy. To date, the clinical effectiveness of TAP block versus LA wound infiltration has never been compared. The hypothesis of this study is that the TAP block may provide a greater opioid-sparing effect after laparoscopic appendicectomy in children than LA wound infiltration.Study Design and Methods: We designed a multicenter double-blind randomized controlled phase III trial and aim to include 110 children who undergo laparoscopic appendicectomy. Children are randomized to receive either TAP block (TAP group) or LA wound infiltration (infiltration group). Multimodal analgesia is standardized in the two groups using the same protocol, which includes the stepwise prescription of paracetamol, phloroglucinol, ketoprofene, and nalbuphine according to the hetero-evaluation of pain performed by the nurses who were blinded to the treatment allocated using the validated FLACC scale. The primary outcome is the total dose of nalbuphine administered within 24 hours after surgery.Discussion: No study has specifically compared the clinical effectiveness of TAP block versus LA wound infiltration for postoperative pain relief after laparoscopic appendectomy in children. This paper describes the protocol for a randomized trial that addresses this issue. The results of this trial will be useful for editing guidelines with a higher level of evidence on this topic.Keywords: laparoscopic appendectomy, TAP block, wound infiltration, analgesia, children |