Effects of opioid-based versus opioid-free anaesthesia on blinded nociception level index values during laparoscopic gastric bypass surgery: a secondary analysis of a randomised double-blind trial

• Sean Coeckelenbergh,
• Teodora Oltean,
• Anne-Catherine Dandrifosse,
• Matthieu Clanet,
• Alexandre Joosten

Affiliations

Sean Coeckelenbergh

Department of Anaesthesiology and Intensive Care, Paris-Saclay University, Paul Brousse Hospital, Assistance Publique Hôpitaux de Paris, Villejuif, France; Outcomes Research Consortium, Cleveland, OH, USA

Teodora Oltean

Cell Death and Inflammation Unit, VIB-UGent Center for Inflammation Research (IRC), Ghent, Belgium

Anne-Catherine Dandrifosse

Department of Anaesthesiology, Chirec Delta Hospital, Brussels, Belgium

Matthieu Clanet

Department of General Surgery, Chirec Delta Hospital, Brussels, Belgium

Alexandre Joosten

Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA; Corresponding author.