“NOCICEPTION LEVEL INDEX-GUIDED ANALGESIA IN MAJOR SURGERY: A PROSPECTIVE OBSERVATIONAL STUDY: S. Notaro¹, E. Piscitelli¹, A. Imparato¹, P. Smaldone², S. Romano², L. Maresca³, A. Casalino³, L. Artefice¹, A. Notaro¹, M. Tamborino¹, C. Esposito¹ | 1U.O.C. Anesthesia, Resuscitation and Intensive Care, Critical Care Department, “Vincenzo Monaldi” Hospital, AORN Azienda dei Colli, Napoli; 2U.O.C. Anesthesia, Resuscitation, University of Campania ’Luigi Vanvitelli’, Napoli; 3U.O.C. Vascular Surgery, ‘Vincenzo Monaldi’ Hospital, AORN Azienda dei Colli, Napoli” (2025) Advancements in Health Research, 2(s1). doi:10.4081/ahr.2025.87.