Fondazione Paolo Procacci. “OPIOID-SPARING EFFECT OF LIDOCAINE, KETAMINE AND MAGNESIUM IN THORACOTOMY: J. Herrera Silva1, S.T. Bahí2, M. Díaz2, I. Gascó2, C. Rodriguez3, X. Baldó3, M. Vives4 | 1Department of Anesthesia, Reanimation and Pain Unit, Dr. Bofill Clinic - University Hospital Dr. J. Trueta, Girona, Spain; 2Department of Anesthesia & Reanimation, Hospital Universitari Dr. J. Trueta, Girona, Spain; 3Department of Anesthesia & Thoracic Surgery, University Hospital Dr. J. Trueta, Girona, Spain; 4Department of Anesthesia & Critical Care Medicine, Clinica Universidad De Navarra, Pamplona, Spain; IdiSNA, Instituto De Investigación Sanitaria De Navarra, Spain ”. Advancements in Health Research, vol. 3, no. s1, May 2026, https://doi.org/10.4081/ahr.2026.166.